| // |
| // Copyright 2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // validationES3.cpp: Validation functions for OpenGL ES 3.0 entry point parameters |
| |
| #include "libANGLE/validationES3_autogen.h" |
| |
| #include "anglebase/numerics/safe_conversions.h" |
| #include "common/mathutil.h" |
| #include "common/utilities.h" |
| #include "libANGLE/Context.h" |
| #include "libANGLE/ErrorStrings.h" |
| #include "libANGLE/Framebuffer.h" |
| #include "libANGLE/FramebufferAttachment.h" |
| #include "libANGLE/Renderbuffer.h" |
| #include "libANGLE/Texture.h" |
| #include "libANGLE/VertexArray.h" |
| #include "libANGLE/formatutils.h" |
| #include "libANGLE/validationES.h" |
| |
| using namespace angle; |
| |
| namespace gl |
| { |
| using namespace err; |
| |
| namespace |
| { |
| bool ValidateFramebufferTextureMultiviewBaseANGLE(const Context *context, |
| GLenum target, |
| GLenum attachment, |
| TextureID texture, |
| GLint level, |
| GLsizei numViews) |
| { |
| if (!(context->getExtensions().multiview || context->getExtensions().multiview2)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultiviewNotAvailable); |
| return false; |
| } |
| |
| if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level)) |
| { |
| return false; |
| } |
| |
| if (texture.value != 0 && numViews < 1) |
| { |
| context->validationError(GL_INVALID_VALUE, kMultiviewViewsTooSmall); |
| return false; |
| } |
| |
| const Extensions &extensions = context->getExtensions(); |
| if (static_cast<GLuint>(numViews) > extensions.maxViews) |
| { |
| context->validationError(GL_INVALID_VALUE, kMultiviewViewsTooLarge); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateFramebufferTextureMultiviewLevelAndFormat(const Context *context, |
| const Texture *texture, |
| GLint level) |
| { |
| TextureType type = texture->getType(); |
| if (!ValidMipLevel(context, type, level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidMipLevel); |
| return false; |
| } |
| |
| const auto &format = texture->getFormat(NonCubeTextureTypeToTarget(type), level); |
| if (format.info->compressed) |
| { |
| context->validationError(GL_INVALID_OPERATION, kCompressedTexturesNotAttachable); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateUniformES3(const Context *context, |
| GLenum uniformType, |
| UniformLocation location, |
| GLint count) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateUniform(context, uniformType, location, count); |
| } |
| |
| bool ValidateUniformMatrixES3(const Context *context, |
| GLenum valueType, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose) |
| { |
| // Check for ES3 uniform entry points |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateUniformMatrix(context, valueType, location, count, transpose); |
| } |
| |
| bool ValidateGenOrDeleteES3(const Context *context, GLint n) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateGenOrDelete(context, n); |
| } |
| |
| bool ValidateGenOrDeleteCountES3(const Context *context, GLint count) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| if (count < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeCount); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateCopyTexture3DCommon(const Context *context, |
| const Texture *source, |
| GLint sourceLevel, |
| GLint srcInternalFormat, |
| const Texture *dest, |
| GLint destLevel, |
| GLint internalFormat, |
| TextureTarget destTarget) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!context->getExtensions().copyTexture3d) |
| { |
| context->validationError(GL_INVALID_OPERATION, kANGLECopyTexture3DUnavailable); |
| return false; |
| } |
| |
| if (!ValidTexture3DTarget(context, source->getType())) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| // Table 1.1 from the ANGLE_copy_texture_3d spec |
| switch (GetUnsizedFormat(srcInternalFormat)) |
| { |
| case GL_ALPHA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_RED: |
| case GL_RED_INTEGER: |
| case GL_RG: |
| case GL_RG_INTEGER: |
| case GL_RGB: |
| case GL_RGB_INTEGER: |
| case GL_RGBA: |
| case GL_RGBA_INTEGER: |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_STENCIL: |
| break; |
| default: |
| context->validationError(GL_INVALID_OPERATION, kInvalidInternalFormat); |
| return false; |
| } |
| |
| if (!ValidTexture3DTarget(context, TextureTargetToType(destTarget))) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| // Table 1.0 from the ANGLE_copy_texture_3d spec |
| switch (internalFormat) |
| { |
| case GL_RGB: |
| case GL_RGBA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_ALPHA: |
| case GL_R8: |
| case GL_R8_SNORM: |
| case GL_R16F: |
| case GL_R32F: |
| case GL_R8UI: |
| case GL_R8I: |
| case GL_R16UI: |
| case GL_R16I: |
| case GL_R32UI: |
| case GL_R32I: |
| case GL_RG: |
| case GL_RG8: |
| case GL_RG8_SNORM: |
| case GL_RG16F: |
| case GL_RG32F: |
| case GL_RG8UI: |
| case GL_RG8I: |
| case GL_RG16UI: |
| case GL_RG16I: |
| case GL_RG32UI: |
| case GL_RG32I: |
| case GL_RGB8: |
| case GL_SRGB8: |
| case GL_RGB565: |
| case GL_RGB8_SNORM: |
| case GL_R11F_G11F_B10F: |
| case GL_RGB9_E5: |
| case GL_RGB16F: |
| case GL_RGB32F: |
| case GL_RGB8UI: |
| case GL_RGB8I: |
| case GL_RGB16UI: |
| case GL_RGB16I: |
| case GL_RGB32UI: |
| case GL_RGB32I: |
| case GL_RGBA8: |
| case GL_SRGB8_ALPHA8: |
| case GL_RGBA8_SNORM: |
| case GL_RGB5_A1: |
| case GL_RGBA4: |
| case GL_RGB10_A2: |
| case GL_RGBA16F: |
| case GL_RGBA32F: |
| case GL_RGBA8UI: |
| case GL_RGBA8I: |
| case GL_RGB10_A2UI: |
| case GL_RGBA16UI: |
| case GL_RGBA16I: |
| case GL_RGBA32I: |
| case GL_RGBA32UI: |
| break; |
| default: |
| context->validationError(GL_INVALID_OPERATION, kInvalidInternalFormat); |
| return false; |
| } |
| |
| return true; |
| } |
| } // anonymous namespace |
| |
| static bool ValidateTexImageFormatCombination(const Context *context, |
| TextureType target, |
| GLenum internalFormat, |
| GLenum format, |
| GLenum type) |
| { |
| // Different validation if on desktop api |
| if (context->getClientType() == EGL_OPENGL_API) |
| { |
| // The type and format are valid if any supported internal format has that type and format |
| if (!ValidDesktopFormat(format)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFormat); |
| return false; |
| } |
| |
| if (!ValidDesktopType(type)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidType); |
| return false; |
| } |
| } |
| else |
| { |
| // The type and format are valid if any supported internal format has that type and format |
| if (!ValidES3Format(format)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFormat); |
| return false; |
| } |
| |
| if (!ValidES3Type(type)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidType); |
| return false; |
| } |
| } |
| |
| // For historical reasons, glTexImage2D and glTexImage3D pass in their internal format as a |
| // GLint instead of a GLenum. Therefor an invalid internal format gives a GL_INVALID_VALUE |
| // error instead of a GL_INVALID_ENUM error. As this validation function is only called in |
| // the validation codepaths for glTexImage2D/3D, we record a GL_INVALID_VALUE error. |
| if (!ValidES3InternalFormat(internalFormat)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidInternalFormat); |
| return false; |
| } |
| |
| // From the ES 3.0 spec section 3.8.3: |
| // Textures with a base internal format of DEPTH_COMPONENT or DEPTH_STENCIL are supported by |
| // texture image specification commands only if target is TEXTURE_2D, TEXTURE_2D_ARRAY, or |
| // TEXTURE_CUBE_MAP.Using these formats in conjunction with any other target will result in an |
| // INVALID_OPERATION error. |
| if (target == TextureType::_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)) |
| { |
| context->validationError(GL_INVALID_OPERATION, k3DDepthStencil); |
| return false; |
| } |
| |
| if (context->getClientType() == EGL_OPENGL_API) |
| { |
| // Check if this is a valid format combination to load texture data |
| if (!ValidDesktopFormatCombination(format, type, internalFormat)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidFormatCombination); |
| return false; |
| } |
| } |
| else |
| { |
| // Check if this is a valid format combination to load texture data |
| if (!ValidES3FormatCombination(format, type, internalFormat)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidFormatCombination); |
| return false; |
| } |
| } |
| |
| const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat, type); |
| if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidInternalFormat); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool ValidateES3CompressedFormatForTexture3D(const Context *context, GLenum format) |
| { |
| if (IsETC2EACFormat(format)) |
| { |
| // ES 3.1, Section 8.7, page 169. |
| context->validationError(GL_INVALID_OPERATION, kInternalFormatRequiresTexture2DArray); |
| return false; |
| } |
| |
| if (IsASTC2DFormat(format) && !(context->getExtensions().textureCompressionASTCHDRKHR || |
| context->getExtensions().textureCompressionSliced3dASTCKHR)) |
| { |
| // GL_KHR_texture_compression_astc_hdr, TEXTURE_3D is not supported without HDR profile |
| context->validationError(GL_INVALID_OPERATION, kInternalFormatRequiresTexture2DArrayASTC); |
| return false; |
| } |
| |
| if (IsS3TCFormat(format)) |
| { |
| // GL_EXT_texture_compression_s3tc |
| context->validationError(GL_INVALID_OPERATION, kInternalFormatRequiresTexture2DArrayS3TC); |
| return false; |
| } |
| |
| if (IsRGTCFormat(format)) |
| { |
| // GL_EXT_texture_compression_rgtc |
| context->validationError(GL_INVALID_OPERATION, kInternalFormatRequiresTexture2DArrayRGTC); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateES3TexImageParametersBase(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isCompressed, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLenum format, |
| GLenum type, |
| GLsizei imageSize, |
| const void *pixels) |
| { |
| TextureType texType = TextureTargetToType(target); |
| |
| // Validate image size |
| if (!ValidImageSizeParameters(context, texType, level, width, height, depth, isSubImage)) |
| { |
| // Error already processed. |
| return false; |
| } |
| |
| // Verify zero border |
| if (border != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidBorder); |
| return false; |
| } |
| |
| if (xoffset < 0 || yoffset < 0 || zoffset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (std::numeric_limits<GLsizei>::max() - xoffset < width || |
| std::numeric_limits<GLsizei>::max() - yoffset < height || |
| std::numeric_limits<GLsizei>::max() - zoffset < depth) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetOverflow); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| |
| switch (texType) |
| { |
| case TextureType::_2D: |
| case TextureType::External: |
| case TextureType::VideoImage: |
| if (width > (caps.max2DTextureSize >> level) || |
| height > (caps.max2DTextureSize >> level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| break; |
| |
| case TextureType::Rectangle: |
| ASSERT(level == 0); |
| if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| if (isCompressed) |
| { |
| context->validationError(GL_INVALID_ENUM, kRectangleTextureCompressed); |
| return false; |
| } |
| break; |
| |
| case TextureType::CubeMap: |
| if (!isSubImage && width != height) |
| { |
| context->validationError(GL_INVALID_VALUE, kCubemapFacesEqualDimensions); |
| return false; |
| } |
| |
| if (width > (caps.maxCubeMapTextureSize >> level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| break; |
| |
| case TextureType::_3D: |
| if (width > (caps.max3DTextureSize >> level) || |
| height > (caps.max3DTextureSize >> level) || |
| depth > (caps.max3DTextureSize >> level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| break; |
| |
| case TextureType::_2DArray: |
| if (width > (caps.max2DTextureSize >> level) || |
| height > (caps.max2DTextureSize >> level) || depth > caps.maxArrayTextureLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| Texture *texture = context->getTextureByType(texType); |
| if (!texture) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMissingTexture); |
| return false; |
| } |
| |
| if (texture->getImmutableFormat() && !isSubImage) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTextureIsImmutable); |
| return false; |
| } |
| |
| if (isCompressed && texType == TextureType::_3D) |
| { |
| GLenum compressedDataFormat = isSubImage ? format : internalformat; |
| if (!ValidateES3CompressedFormatForTexture3D(context, compressedDataFormat)) |
| { |
| // Error already generated. |
| return false; |
| } |
| } |
| |
| // Validate texture formats |
| GLenum actualInternalFormat = |
| isSubImage ? texture->getFormat(target, level).info->internalFormat : internalformat; |
| if (isSubImage && actualInternalFormat == GL_NONE) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidMipLevel); |
| return false; |
| } |
| |
| const InternalFormat &actualFormatInfo = isSubImage |
| ? *texture->getFormat(target, level).info |
| : GetInternalFormatInfo(internalformat, type); |
| if (isCompressed) |
| { |
| if (!actualFormatInfo.compressed) |
| { |
| context->validationError(GL_INVALID_ENUM, kCompressedMismatch); |
| return false; |
| } |
| |
| if (isSubImage) |
| { |
| if (!ValidCompressedSubImageSize( |
| context, actualFormatInfo.internalFormat, xoffset, yoffset, zoffset, width, |
| height, depth, texture->getWidth(target, level), |
| texture->getHeight(target, level), texture->getDepth(target, level))) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidCompressedImageSize); |
| return false; |
| } |
| |
| if (format != actualInternalFormat) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMismatchedFormat); |
| return false; |
| } |
| |
| // GL_EXT_compressed_ETC1_RGB8_sub_texture allows this format |
| if (actualInternalFormat == GL_ETC1_RGB8_OES && |
| !context->getExtensions().compressedETC1RGB8SubTexture) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidInternalFormat); |
| return false; |
| } |
| } |
| else |
| { |
| if (!ValidCompressedImageSize(context, actualInternalFormat, level, width, height, |
| depth)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidCompressedImageSize); |
| return false; |
| } |
| } |
| |
| if (!actualFormatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFormat); |
| return false; |
| } |
| |
| // Disallow 3D-only compressed formats from being set on 2D textures |
| if (actualFormatInfo.compressedBlockDepth > 1 && texType != TextureType::_2DArray) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidTextureTarget); |
| return false; |
| } |
| } |
| else |
| { |
| if (!ValidateTexImageFormatCombination(context, texType, actualInternalFormat, format, |
| type)) |
| { |
| return false; |
| } |
| } |
| |
| // Validate sub image parameters |
| if (isSubImage) |
| { |
| if (isCompressed != actualFormatInfo.compressed) |
| { |
| context->validationError(GL_INVALID_OPERATION, kCompressedMismatch); |
| return false; |
| } |
| |
| if (xoffset < 0 || yoffset < 0 || zoffset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (std::numeric_limits<GLsizei>::max() - xoffset < width || |
| std::numeric_limits<GLsizei>::max() - yoffset < height || |
| std::numeric_limits<GLsizei>::max() - zoffset < depth) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetOverflow); |
| return false; |
| } |
| |
| if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) || |
| static_cast<size_t>(yoffset + height) > texture->getHeight(target, level) || |
| static_cast<size_t>(zoffset + depth) > texture->getDepth(target, level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetOverflow); |
| return false; |
| } |
| |
| if (width > 0 && height > 0 && depth > 0 && pixels == nullptr && |
| context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kPixelDataNull); |
| return false; |
| } |
| } |
| |
| GLenum sizeCheckFormat = isSubImage ? format : internalformat; |
| if (!ValidImageDataSize(context, texType, width, height, depth, sizeCheckFormat, type, pixels, |
| imageSize)) |
| { |
| return false; |
| } |
| |
| // Check for pixel unpack buffer related API errors |
| Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack); |
| if (pixelUnpackBuffer != nullptr) |
| { |
| // ...data is not evenly divisible into the number of bytes needed to store in memory a |
| // datum |
| // indicated by type. |
| if (!isCompressed) |
| { |
| size_t offset = reinterpret_cast<size_t>(pixels); |
| size_t dataBytesPerPixel = static_cast<size_t>(GetTypeInfo(type).bytes); |
| |
| if ((offset % dataBytesPerPixel) != 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDataTypeNotAligned); |
| return false; |
| } |
| } |
| |
| // ...the buffer object's data store is currently mapped. |
| if (pixelUnpackBuffer->isMapped()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kBufferMapped); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateES3TexImage2DParameters(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isCompressed, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLenum format, |
| GLenum type, |
| GLsizei imageSize, |
| const void *pixels) |
| { |
| if (!ValidTexture2DDestinationTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed, |
| isSubImage, xoffset, yoffset, zoffset, width, height, |
| depth, border, format, type, imageSize, pixels); |
| } |
| |
| bool ValidateES3TexImage3DParameters(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isCompressed, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLenum format, |
| GLenum type, |
| GLsizei bufSize, |
| const void *pixels) |
| { |
| if (!ValidTexture3DDestinationTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed, |
| isSubImage, xoffset, yoffset, zoffset, width, height, |
| depth, border, format, type, bufSize, pixels); |
| } |
| |
| struct EffectiveInternalFormatInfo |
| { |
| GLenum effectiveFormat; |
| GLenum destFormat; |
| GLuint minRedBits; |
| GLuint maxRedBits; |
| GLuint minGreenBits; |
| GLuint maxGreenBits; |
| GLuint minBlueBits; |
| GLuint maxBlueBits; |
| GLuint minAlphaBits; |
| GLuint maxAlphaBits; |
| }; |
| |
| static bool QueryEffectiveFormatList(const InternalFormat &srcFormat, |
| GLenum targetFormat, |
| const EffectiveInternalFormatInfo *list, |
| size_t size, |
| GLenum *outEffectiveFormat) |
| { |
| for (size_t curFormat = 0; curFormat < size; ++curFormat) |
| { |
| const EffectiveInternalFormatInfo &formatInfo = list[curFormat]; |
| if ((formatInfo.destFormat == targetFormat) && |
| (formatInfo.minRedBits <= srcFormat.redBits && |
| formatInfo.maxRedBits >= srcFormat.redBits) && |
| (formatInfo.minGreenBits <= srcFormat.greenBits && |
| formatInfo.maxGreenBits >= srcFormat.greenBits) && |
| (formatInfo.minBlueBits <= srcFormat.blueBits && |
| formatInfo.maxBlueBits >= srcFormat.blueBits) && |
| (formatInfo.minAlphaBits <= srcFormat.alphaBits && |
| formatInfo.maxAlphaBits >= srcFormat.alphaBits)) |
| { |
| *outEffectiveFormat = formatInfo.effectiveFormat; |
| return true; |
| } |
| } |
| |
| *outEffectiveFormat = GL_NONE; |
| return false; |
| } |
| |
| bool GetSizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, |
| GLenum *outEffectiveFormat) |
| { |
| // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: |
| // Effective internal format coresponding to destination internal format and linear source |
| // buffer component sizes. |
| // | Source channel min/max sizes | |
| // Effective Internal Format | N/A | R | G | B | A | |
| // clang-format off |
| constexpr EffectiveInternalFormatInfo list[] = { |
| { GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8 }, |
| { GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0 }, |
| { GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0 }, |
| { GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0 }, |
| { GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0 }, |
| { GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4 }, |
| { GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1 }, |
| { GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8 }, |
| { GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2 }, |
| }; |
| // clang-format on |
| |
| return QueryEffectiveFormatList(srcFormat, GL_NONE, list, ArraySize(list), outEffectiveFormat); |
| } |
| |
| bool GetUnsizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, |
| const InternalFormat &destFormat, |
| GLenum *outEffectiveFormat) |
| { |
| constexpr GLuint umax = UINT_MAX; |
| |
| // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: |
| // Effective internal format coresponding to destination internal format andlinear source buffer |
| // component sizes. |
| // | Source channel min/max sizes | |
| // Effective Internal Format | Dest Format | R | G | B | A | |
| // clang-format off |
| constexpr EffectiveInternalFormatInfo list[] = { |
| { GL_ALPHA8_EXT, GL_ALPHA, 0, umax, 0, umax, 0, umax, 1, 8 }, |
| { GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, umax, 0, umax, 0, umax }, |
| { GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, umax, 0, umax, 1, 8 }, |
| { GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, umax }, |
| { GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, umax }, |
| { GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4 }, |
| { GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1 }, |
| { GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8 }, |
| }; |
| // clang-format on |
| |
| return QueryEffectiveFormatList(srcFormat, destFormat.format, list, ArraySize(list), |
| outEffectiveFormat); |
| } |
| |
| static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat, |
| const InternalFormat &destFormat, |
| GLenum *outEffectiveFormat) |
| { |
| if (destFormat.sized) |
| { |
| return GetSizedEffectiveInternalFormatInfo(srcFormat, outEffectiveFormat); |
| } |
| else |
| { |
| return GetUnsizedEffectiveInternalFormatInfo(srcFormat, destFormat, outEffectiveFormat); |
| } |
| } |
| |
| static bool EqualOrFirstZero(GLuint first, GLuint second) |
| { |
| return first == 0 || first == second; |
| } |
| |
| static bool IsValidES3CopyTexImageCombination(const InternalFormat &textureFormatInfo, |
| const InternalFormat &framebufferFormatInfo, |
| FramebufferID readBufferHandle) |
| { |
| if (!ValidES3CopyConversion(textureFormatInfo.format, framebufferFormatInfo.format)) |
| { |
| return false; |
| } |
| |
| // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats |
| // must both be signed, unsigned, or fixed point and both source and destinations |
| // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed |
| // conversion between fixed and floating point. |
| |
| if ((textureFormatInfo.colorEncoding == GL_SRGB) != |
| (framebufferFormatInfo.colorEncoding == GL_SRGB)) |
| { |
| return false; |
| } |
| |
| if (((textureFormatInfo.componentType == GL_INT) != |
| (framebufferFormatInfo.componentType == GL_INT)) || |
| ((textureFormatInfo.componentType == GL_UNSIGNED_INT) != |
| (framebufferFormatInfo.componentType == GL_UNSIGNED_INT))) |
| { |
| return false; |
| } |
| |
| if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || |
| textureFormatInfo.componentType == GL_SIGNED_NORMALIZED) && |
| !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || |
| framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED)) |
| { |
| return false; |
| } |
| |
| // SNORM is not supported (e.g. is not in the tables of "effective internal format" that |
| // correspond to internal formats. |
| if (textureFormatInfo.componentType == GL_SIGNED_NORMALIZED) |
| { |
| return false; |
| } |
| |
| // Section 3.8.5 of the GLES 3.0.3 (and section 8.6 of the GLES 3.2) spec has a caveat, that |
| // the KHR dEQP tests enforce: |
| // |
| // Note that the above rules disallow matches where some components sizes are smaller and |
| // others are larger (such as RGB10_A2). |
| if (!textureFormatInfo.sized && (framebufferFormatInfo.internalFormat == GL_RGB10_A2)) |
| { |
| return false; |
| } |
| |
| // GLES specification 3.0.3, sec 3.8.5, pg 139-140: |
| // The effective internal format of the source buffer is determined with the following rules |
| // applied in order: |
| // * If the source buffer is a texture or renderbuffer that was created with a sized internal |
| // format then the effective internal format is the source buffer's sized internal format. |
| // * If the source buffer is a texture that was created with an unsized base internal format, |
| // then the effective internal format is the source image array's effective internal |
| // format, as specified by table 3.12, which is determined from the <format> and <type> |
| // that were used when the source image array was specified by TexImage*. |
| // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18 |
| // where Destination Internal Format matches internalformat and where the [source channel |
| // sizes] are consistent with the values of the source buffer's [channel sizes]. Table 3.17 |
| // is used if the FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the |
| // FRAMEBUFFER_ATTACHMENT_ENCODING is SRGB. |
| const InternalFormat *sourceEffectiveFormat = nullptr; |
| if (readBufferHandle.value != 0) |
| { |
| // Not the default framebuffer, therefore the read buffer must be a user-created texture or |
| // renderbuffer |
| if (framebufferFormatInfo.sized) |
| { |
| sourceEffectiveFormat = &framebufferFormatInfo; |
| } |
| else |
| { |
| // Renderbuffers cannot be created with an unsized internal format, so this must be an |
| // unsized-format texture. We can use the same table we use when creating textures to |
| // get its effective sized format. |
| sourceEffectiveFormat = |
| &GetSizedInternalFormatInfo(framebufferFormatInfo.sizedInternalFormat); |
| } |
| } |
| else |
| { |
| // The effective internal format must be derived from the source framebuffer's channel |
| // sizes. This is done in GetEffectiveInternalFormat for linear buffers (table 3.17) |
| if (framebufferFormatInfo.colorEncoding == GL_LINEAR) |
| { |
| GLenum effectiveFormat; |
| if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo, |
| &effectiveFormat)) |
| { |
| sourceEffectiveFormat = &GetSizedInternalFormatInfo(effectiveFormat); |
| } |
| else |
| { |
| return false; |
| } |
| } |
| else if (framebufferFormatInfo.colorEncoding == GL_SRGB) |
| { |
| // SRGB buffers can only be copied to sized format destinations according to table 3.18 |
| if (textureFormatInfo.sized && |
| (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) && |
| (framebufferFormatInfo.greenBits >= 1 && framebufferFormatInfo.greenBits <= 8) && |
| (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) && |
| (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8)) |
| { |
| sourceEffectiveFormat = &GetSizedInternalFormatInfo(GL_SRGB8_ALPHA8); |
| } |
| else |
| { |
| return false; |
| } |
| } |
| else |
| { |
| UNREACHABLE(); |
| return false; |
| } |
| } |
| |
| if (textureFormatInfo.sized) |
| { |
| // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is |
| // sized, component sizes of the source and destination formats must exactly match if the |
| // destination format exists. |
| if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) || |
| !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) || |
| !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) || |
| !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits)) |
| { |
| return false; |
| } |
| } |
| |
| return true; // A conversion function exists, and no rule in the specification has precluded |
| // conversion between these formats. |
| } |
| |
| bool ValidateES3CopyTexImageParametersBase(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLint x, |
| GLint y, |
| GLsizei width, |
| GLsizei height, |
| GLint border) |
| { |
| Format textureFormat = Format::Invalid(); |
| if (!ValidateCopyTexImageParametersBase(context, target, level, internalformat, isSubImage, |
| xoffset, yoffset, zoffset, x, y, width, height, border, |
| &textureFormat)) |
| { |
| return false; |
| } |
| ASSERT(textureFormat.valid() || !isSubImage); |
| |
| const auto &state = context->getState(); |
| Framebuffer *framebuffer = state.getReadFramebuffer(); |
| FramebufferID readFramebufferID = framebuffer->id(); |
| |
| if (!ValidateFramebufferComplete(context, framebuffer)) |
| { |
| return false; |
| } |
| |
| // needIntrinsic = true. Treat renderToTexture textures as single sample since they will be |
| // resolved before copying |
| if (!framebuffer->isDefault() && |
| !ValidateFramebufferNotMultisampled(context, framebuffer, true)) |
| { |
| return false; |
| } |
| |
| const FramebufferAttachment *source = framebuffer->getReadColorAttachment(); |
| |
| // According to ES 3.x spec, if the internalformat of the texture |
| // is RGB9_E5 and copy to such a texture, generate INVALID_OPERATION. |
| if (textureFormat.info->internalFormat == GL_RGB9_E5) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidFormat); |
| return false; |
| } |
| |
| if (isSubImage) |
| { |
| if (!IsValidES3CopyTexImageCombination(*textureFormat.info, *source->getFormat().info, |
| readFramebufferID)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidCopyCombination); |
| return false; |
| } |
| } |
| else |
| { |
| // Use format/type from the source FBO. (Might not be perfect for all cases?) |
| const InternalFormat &framebufferFormat = *source->getFormat().info; |
| const InternalFormat ©Format = GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE); |
| if (!IsValidES3CopyTexImageCombination(copyFormat, framebufferFormat, readFramebufferID)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidCopyCombination); |
| return false; |
| } |
| } |
| |
| // If width or height is zero, it is a no-op. Return false without setting an error. |
| return (width > 0 && height > 0); |
| } |
| |
| bool ValidateES3CopyTexImage2DParameters(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLint x, |
| GLint y, |
| GLsizei width, |
| GLsizei height, |
| GLint border) |
| { |
| if (!ValidTexture2DDestinationTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3CopyTexImageParametersBase(context, target, level, internalformat, isSubImage, |
| xoffset, yoffset, zoffset, x, y, width, height, |
| border); |
| } |
| |
| bool ValidateES3CopyTexImage3DParameters(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| bool isSubImage, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLint x, |
| GLint y, |
| GLsizei width, |
| GLsizei height, |
| GLint border) |
| { |
| if (!ValidTexture3DDestinationTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3CopyTexImageParametersBase(context, target, level, internalformat, isSubImage, |
| xoffset, yoffset, zoffset, x, y, width, height, |
| border); |
| } |
| |
| bool ValidateES3TexStorageParametersBase(const Context *context, |
| TextureType target, |
| GLsizei levels, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth) |
| { |
| if (width < 1 || height < 1 || depth < 1 || levels < 1) |
| { |
| context->validationError(GL_INVALID_VALUE, kTextureSizeTooSmall); |
| return false; |
| } |
| |
| GLsizei maxDim = std::max(width, height); |
| if (target != TextureType::_2DArray) |
| { |
| maxDim = std::max(maxDim, depth); |
| } |
| |
| if (levels > log2(maxDim) + 1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidMipLevels); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| |
| switch (target) |
| { |
| case TextureType::_2D: |
| { |
| if (width > caps.max2DTextureSize || height > caps.max2DTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::Rectangle: |
| { |
| if (levels != 1) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidMipLevels); |
| return false; |
| } |
| |
| if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::CubeMap: |
| { |
| if (width != height) |
| { |
| context->validationError(GL_INVALID_VALUE, kCubemapFacesEqualDimensions); |
| return false; |
| } |
| |
| if (width > caps.maxCubeMapTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::_3D: |
| { |
| if (width > caps.max3DTextureSize || height > caps.max3DTextureSize || |
| depth > caps.max3DTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::_2DArray: |
| { |
| if (width > caps.max2DTextureSize || height > caps.max2DTextureSize || |
| depth > caps.maxArrayTextureLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kResourceMaxTextureSize); |
| return false; |
| } |
| } |
| break; |
| |
| default: |
| UNREACHABLE(); |
| return false; |
| } |
| |
| Texture *texture = context->getTextureByType(target); |
| if (!texture || texture->id().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMissingTexture); |
| return false; |
| } |
| |
| if (texture->getImmutableFormat()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTextureIsImmutable); |
| return false; |
| } |
| |
| const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); |
| if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFormat); |
| return false; |
| } |
| |
| if (!formatInfo.sized) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFormat); |
| return false; |
| } |
| |
| if (formatInfo.compressed && target == TextureType::Rectangle) |
| { |
| context->validationError(GL_INVALID_ENUM, kRectangleTextureCompressed); |
| return false; |
| } |
| |
| if (formatInfo.compressed && target == TextureType::_3D) |
| { |
| if (!ValidateES3CompressedFormatForTexture3D(context, formatInfo.internalFormat)) |
| { |
| // Error already generated. |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateES3TexStorage2DParameters(const Context *context, |
| TextureType target, |
| GLsizei levels, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth) |
| { |
| if (!ValidTexture2DTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3TexStorageParametersBase(context, target, levels, internalformat, width, |
| height, depth); |
| } |
| |
| bool ValidateES3TexStorage3DParameters(const Context *context, |
| TextureType target, |
| GLsizei levels, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth) |
| { |
| if (!ValidTexture3DTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| return ValidateES3TexStorageParametersBase(context, target, levels, internalformat, width, |
| height, depth); |
| } |
| |
| bool ValidateBeginQuery(const Context *context, QueryType target, QueryID id) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateBeginQueryBase(context, target, id); |
| } |
| |
| bool ValidateEndQuery(const Context *context, QueryType target) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateEndQueryBase(context, target); |
| } |
| |
| bool ValidateGetQueryiv(const Context *context, QueryType target, GLenum pname, const GLint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateGetQueryivBase(context, target, pname, nullptr); |
| } |
| |
| bool ValidateGetQueryObjectuiv(const Context *context, |
| QueryID id, |
| GLenum pname, |
| const GLuint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateGetQueryObjectValueBase(context, id, pname, nullptr); |
| } |
| |
| bool ValidateFramebufferTextureLayer(const Context *context, |
| GLenum target, |
| GLenum attachment, |
| TextureID texture, |
| GLint level, |
| GLint layer) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level)) |
| { |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (texture.value != 0) |
| { |
| if (layer < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeLayer); |
| return false; |
| } |
| |
| Texture *tex = context->getTexture(texture); |
| ASSERT(tex); |
| |
| switch (tex->getType()) |
| { |
| case TextureType::_2DArray: |
| { |
| if (level > log2(caps.max2DTextureSize)) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidMipLevel); |
| return false; |
| } |
| |
| if (layer >= caps.maxArrayTextureLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidLayer); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::_3D: |
| { |
| if (level > log2(caps.max3DTextureSize)) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidMipLevel); |
| return false; |
| } |
| |
| if (layer >= caps.max3DTextureSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidLayer); |
| return false; |
| } |
| } |
| break; |
| |
| case TextureType::_2DMultisampleArray: |
| { |
| if (level != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidMipLevel); |
| return false; |
| } |
| |
| if (layer >= caps.maxArrayTextureLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kFramebufferTextureInvalidLayer); |
| return false; |
| } |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_OPERATION, |
| kFramebufferTextureLayerIncorrectTextureType); |
| return false; |
| } |
| |
| const auto &format = tex->getFormat(NonCubeTextureTypeToTarget(tex->getType()), level); |
| if (format.info->compressed) |
| { |
| context->validationError(GL_INVALID_OPERATION, kCompressedTexturesNotAttachable); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateInvalidateFramebuffer(const Context *context, |
| GLenum target, |
| GLsizei numAttachments, |
| const GLenum *attachments) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| bool defaultFramebuffer = false; |
| |
| switch (target) |
| { |
| case GL_DRAW_FRAMEBUFFER: |
| case GL_FRAMEBUFFER: |
| defaultFramebuffer = context->getState().getDrawFramebuffer()->isDefault(); |
| break; |
| case GL_READ_FRAMEBUFFER: |
| defaultFramebuffer = context->getState().getReadFramebuffer()->isDefault(); |
| break; |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidFramebufferTarget); |
| return false; |
| } |
| |
| return ValidateDiscardFramebufferBase(context, target, numAttachments, attachments, |
| defaultFramebuffer); |
| } |
| |
| bool ValidateInvalidateSubFramebuffer(const Context *context, |
| GLenum target, |
| GLsizei numAttachments, |
| const GLenum *attachments, |
| GLint x, |
| GLint y, |
| GLsizei width, |
| GLsizei height) |
| { |
| if (width < 0 || height < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeSize); |
| return false; |
| } |
| |
| return ValidateInvalidateFramebuffer(context, target, numAttachments, attachments); |
| } |
| |
| bool ValidateClearBuffer(const Context *context) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateFramebufferComplete(context, context->getState().getDrawFramebuffer())) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDrawRangeElements(const Context *context, |
| PrimitiveMode mode, |
| GLuint start, |
| GLuint end, |
| GLsizei count, |
| DrawElementsType type, |
| const void *indices) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (end < start) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidElementRange); |
| return false; |
| } |
| |
| if (!ValidateDrawElementsCommon(context, mode, count, type, indices, 0)) |
| { |
| return false; |
| } |
| |
| // Skip range checks for no-op calls. |
| if (count <= 0) |
| { |
| return true; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetUniformuiv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| const GLuint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateGetUniformBase(context, program, location); |
| } |
| |
| bool ValidateReadBuffer(const Context *context, GLenum src) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| const Framebuffer *readFBO = context->getState().getReadFramebuffer(); |
| |
| if (readFBO == nullptr) |
| { |
| context->validationError(GL_INVALID_OPERATION, kNoReadFramebuffer); |
| return false; |
| } |
| |
| if (src == GL_NONE) |
| { |
| return true; |
| } |
| |
| if (src != GL_BACK && (src < GL_COLOR_ATTACHMENT0 || src > GL_COLOR_ATTACHMENT31)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidReadBuffer); |
| return false; |
| } |
| |
| if (readFBO->isDefault()) |
| { |
| if (src != GL_BACK) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidDefaultReadBuffer); |
| return false; |
| } |
| } |
| else |
| { |
| GLuint drawBuffer = static_cast<GLuint>(src - GL_COLOR_ATTACHMENT0); |
| |
| if (drawBuffer >= static_cast<GLuint>(context->getCaps().maxDrawBuffers)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExceedsMaxDrawBuffers); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateCompressedTexImage3D(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLsizei imageSize, |
| const void *data) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidTextureTarget(context, TextureTargetToType(target))) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| // Validate image size |
| if (!ValidImageSizeParameters(context, TextureTargetToType(target), level, width, height, depth, |
| false)) |
| { |
| // Error already generated. |
| return false; |
| } |
| |
| const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); |
| if (!formatInfo.compressed) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidCompressedFormat); |
| return false; |
| } |
| |
| GLuint blockSize = 0; |
| if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIntegerOverflow); |
| return false; |
| } |
| |
| if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidCompressedImageSize); |
| return false; |
| } |
| |
| // 3D texture target validation |
| if (target != TextureTarget::_3D && target != TextureTarget::_2DArray) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidTextureTarget); |
| return false; |
| } |
| |
| // validateES3TexImageFormat sets the error code if there is an error |
| if (!ValidateES3TexImage3DParameters(context, target, level, internalformat, true, false, 0, 0, |
| 0, width, height, depth, border, GL_NONE, GL_NONE, -1, |
| data)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateCompressedTexImage3DRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLsizei imageSize, |
| GLsizei dataSize, |
| const void *data) |
| { |
| if (!ValidateRobustCompressedTexImageBase(context, imageSize, dataSize)) |
| { |
| return false; |
| } |
| |
| return ValidateCompressedTexImage3D(context, target, level, internalformat, width, height, |
| depth, border, imageSize, data); |
| } |
| |
| bool ValidateBindVertexArray(const Context *context, VertexArrayID array) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateBindVertexArrayBase(context, array); |
| } |
| |
| bool ValidateIsVertexArray(const Context *context, VertexArrayID array) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool ValidateBindBufferCommon(const Context *context, |
| BufferBinding target, |
| GLuint index, |
| BufferID buffer, |
| GLintptr offset, |
| GLsizeiptr size) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (buffer.value != 0 && offset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (!context->getState().isBindGeneratesResourceEnabled() && |
| !context->isBufferGenerated(buffer)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kObjectNotGenerated); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| switch (target) |
| { |
| case BufferBinding::TransformFeedback: |
| { |
| if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes)) |
| { |
| context->validationError(GL_INVALID_VALUE, |
| kIndexExceedsTransformFeedbackBufferBindings); |
| return false; |
| } |
| if (buffer.value != 0 && ((offset % 4) != 0 || (size % 4) != 0)) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetAndSizeAlignment); |
| return false; |
| } |
| |
| if (context->getState().isTransformFeedbackActive()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackTargetActive); |
| return false; |
| } |
| break; |
| } |
| case BufferBinding::Uniform: |
| { |
| if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxUniformBufferBindings); |
| return false; |
| } |
| |
| ASSERT(caps.uniformBufferOffsetAlignment); |
| if (buffer.value != 0 && (offset % caps.uniformBufferOffsetAlignment) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kUniformBufferOffsetAlignment); |
| return false; |
| } |
| break; |
| } |
| case BufferBinding::AtomicCounter: |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, |
| kIndexExceedsMaxAtomicCounterBufferBindings); |
| return false; |
| } |
| if (buffer.value != 0 && (offset % 4) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetAlignment); |
| return false; |
| } |
| break; |
| } |
| case BufferBinding::ShaderStorage: |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxShaderStorageBufferBindings); |
| return false; |
| } |
| ASSERT(caps.shaderStorageBufferOffsetAlignment); |
| if (buffer.value != 0 && (offset % caps.shaderStorageBufferOffsetAlignment) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kShaderStorageBufferOffsetAlignment); |
| return false; |
| } |
| break; |
| } |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBindBufferBase(const Context *context, |
| BufferBinding target, |
| GLuint index, |
| BufferID buffer) |
| { |
| return ValidateBindBufferCommon(context, target, index, buffer, 0, 0); |
| } |
| |
| bool ValidateBindBufferRange(const Context *context, |
| BufferBinding target, |
| GLuint index, |
| BufferID buffer, |
| GLintptr offset, |
| GLsizeiptr size) |
| { |
| if (buffer.value != 0 && size <= 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidBindBufferSize); |
| return false; |
| } |
| return ValidateBindBufferCommon(context, target, index, buffer, offset, size); |
| } |
| |
| bool ValidateProgramBinary(const Context *context, |
| ShaderProgramID program, |
| GLenum binaryFormat, |
| const void *binary, |
| GLsizei length) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateProgramBinaryBase(context, program, binaryFormat, binary, length); |
| } |
| |
| bool ValidateGetProgramBinary(const Context *context, |
| ShaderProgramID program, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLenum *binaryFormat, |
| const void *binary) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateGetProgramBinaryBase(context, program, bufSize, length, binaryFormat, binary); |
| } |
| |
| bool ValidateProgramParameteri(const Context *context, |
| ShaderProgramID program, |
| GLenum pname, |
| GLint value) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (GetValidProgram(context, program) == nullptr) |
| { |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_PROGRAM_BINARY_RETRIEVABLE_HINT: |
| if (value != GL_FALSE && value != GL_TRUE) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidBooleanValue); |
| return false; |
| } |
| break; |
| |
| case GL_PROGRAM_SEPARABLE: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kES31Required); |
| return false; |
| } |
| |
| if (value != GL_FALSE && value != GL_TRUE) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidBooleanValue); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBlitFramebuffer(const Context *context, |
| GLint srcX0, |
| GLint srcY0, |
| GLint srcX1, |
| GLint srcY1, |
| GLint dstX0, |
| GLint dstY0, |
| GLint dstX1, |
| GLint dstY1, |
| GLbitfield mask, |
| GLenum filter) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateBlitFramebufferParameters(context, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, |
| dstX1, dstY1, mask, filter); |
| } |
| |
| bool ValidateClearBufferiv(const Context *context, |
| GLenum buffer, |
| GLint drawbuffer, |
| const GLint *value) |
| { |
| switch (buffer) |
| { |
| case GL_COLOR: |
| if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); |
| return false; |
| } |
| if (context->getExtensions().webglCompatibility) |
| { |
| constexpr GLenum validComponentTypes[] = {GL_INT}; |
| if (!ValidateWebGLFramebufferAttachmentClearType( |
| context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) |
| { |
| return false; |
| } |
| } |
| break; |
| |
| case GL_STENCIL: |
| if (drawbuffer != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDepthStencilDrawBuffer); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return ValidateClearBuffer(context); |
| } |
| |
| bool ValidateClearBufferuiv(const Context *context, |
| GLenum buffer, |
| GLint drawbuffer, |
| const GLuint *value) |
| { |
| switch (buffer) |
| { |
| case GL_COLOR: |
| if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); |
| return false; |
| } |
| if (context->getExtensions().webglCompatibility) |
| { |
| constexpr GLenum validComponentTypes[] = {GL_UNSIGNED_INT}; |
| if (!ValidateWebGLFramebufferAttachmentClearType( |
| context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) |
| { |
| return false; |
| } |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return ValidateClearBuffer(context); |
| } |
| |
| bool ValidateClearBufferfv(const Context *context, |
| GLenum buffer, |
| GLint drawbuffer, |
| const GLfloat *value) |
| { |
| switch (buffer) |
| { |
| case GL_COLOR: |
| if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); |
| return false; |
| } |
| if (context->getExtensions().webglCompatibility) |
| { |
| constexpr GLenum validComponentTypes[] = {GL_FLOAT, GL_UNSIGNED_NORMALIZED, |
| GL_SIGNED_NORMALIZED}; |
| if (!ValidateWebGLFramebufferAttachmentClearType( |
| context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) |
| { |
| return false; |
| } |
| } |
| break; |
| |
| case GL_DEPTH: |
| if (drawbuffer != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDepthStencilDrawBuffer); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return ValidateClearBuffer(context); |
| } |
| |
| bool ValidateClearBufferfi(const Context *context, |
| GLenum buffer, |
| GLint drawbuffer, |
| GLfloat depth, |
| GLint stencil) |
| { |
| switch (buffer) |
| { |
| case GL_DEPTH_STENCIL: |
| if (drawbuffer != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDepthStencilDrawBuffer); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return ValidateClearBuffer(context); |
| } |
| |
| bool ValidateDrawBuffers(const Context *context, GLsizei n, const GLenum *bufs) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateDrawBuffersBase(context, n, bufs); |
| } |
| |
| bool ValidateCopyTexSubImage3D(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLint x, |
| GLint y, |
| GLsizei width, |
| GLsizei height) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateES3CopyTexImage3DParameters(context, target, level, GL_NONE, true, xoffset, |
| yoffset, zoffset, x, y, width, height, 0); |
| } |
| |
| bool ValidateCopyTexture3DANGLE(const Context *context, |
| TextureID sourceId, |
| GLint sourceLevel, |
| TextureTarget destTarget, |
| TextureID destId, |
| GLint destLevel, |
| GLint internalFormat, |
| GLenum destType, |
| GLboolean unpackFlipY, |
| GLboolean unpackPremultiplyAlpha, |
| GLboolean unpackUnmultiplyAlpha) |
| { |
| const Texture *source = context->getTexture(sourceId); |
| if (source == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidSourceTexture); |
| return false; |
| } |
| |
| TextureType sourceType = source->getType(); |
| ASSERT(sourceType != TextureType::CubeMap); |
| TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType); |
| const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel); |
| |
| const Texture *dest = context->getTexture(destId); |
| if (dest == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDestinationTexture); |
| return false; |
| } |
| |
| if (!ValidateCopyTexture3DCommon(context, source, sourceLevel, |
| sourceFormat.info->internalFormat, dest, destLevel, |
| internalFormat, destTarget)) |
| { |
| return false; |
| } |
| |
| if (!ValidMipLevel(context, source->getType(), sourceLevel)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidSourceTextureLevel); |
| return false; |
| } |
| |
| GLsizei sourceWidth = static_cast<GLsizei>(source->getWidth(sourceTarget, sourceLevel)); |
| GLsizei sourceHeight = static_cast<GLsizei>(source->getHeight(sourceTarget, sourceLevel)); |
| if (sourceWidth == 0 || sourceHeight == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidSourceTextureSize); |
| return false; |
| } |
| |
| if (dest->getImmutableFormat()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDestinationImmutable); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateCopySubTexture3DANGLE(const Context *context, |
| TextureID sourceId, |
| GLint sourceLevel, |
| TextureTarget destTarget, |
| TextureID destId, |
| GLint destLevel, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLint x, |
| GLint y, |
| GLint z, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLboolean unpackFlipY, |
| GLboolean unpackPremultiplyAlpha, |
| GLboolean unpackUnmultiplyAlpha) |
| { |
| const Texture *source = context->getTexture(sourceId); |
| if (source == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidSourceTexture); |
| return false; |
| } |
| |
| TextureType sourceType = source->getType(); |
| ASSERT(sourceType != TextureType::CubeMap); |
| TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType); |
| const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel); |
| |
| const Texture *dest = context->getTexture(destId); |
| if (dest == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDestinationTexture); |
| return false; |
| } |
| |
| const InternalFormat &destFormat = *dest->getFormat(destTarget, destLevel).info; |
| |
| if (!ValidateCopyTexture3DCommon(context, source, sourceLevel, |
| sourceFormat.info->internalFormat, dest, destLevel, |
| destFormat.internalFormat, destTarget)) |
| { |
| return false; |
| } |
| |
| if (x < 0 || y < 0 || z < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeXYZ); |
| return false; |
| } |
| |
| if (width < 0 || height < 0 || depth < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeHeightWidthDepth); |
| return false; |
| } |
| |
| if (static_cast<size_t>(x + width) > source->getWidth(sourceTarget, sourceLevel) || |
| static_cast<size_t>(y + height) > source->getHeight(sourceTarget, sourceLevel) || |
| static_cast<size_t>(z + depth) > source->getDepth(sourceTarget, sourceLevel)) |
| { |
| context->validationError(GL_INVALID_VALUE, kSourceTextureTooSmall); |
| return false; |
| } |
| |
| if (TextureTargetToType(destTarget) != dest->getType()) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidDestinationTextureType); |
| return false; |
| } |
| |
| if (xoffset < 0 || yoffset < 0 || zoffset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (static_cast<size_t>(xoffset + width) > dest->getWidth(destTarget, destLevel) || |
| static_cast<size_t>(yoffset + height) > dest->getHeight(destTarget, destLevel) || |
| static_cast<size_t>(zoffset + depth) > dest->getDepth(destTarget, destLevel)) |
| { |
| context->validationError(GL_INVALID_VALUE, kDestinationTextureTooSmall); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateTexImage3D(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLenum format, |
| GLenum type, |
| const void *pixels) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| |
| return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0, |
| 0, 0, width, height, depth, border, format, type, -1, |
| pixels); |
| } |
| |
| bool ValidateTexImage3DRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLint border, |
| GLenum format, |
| GLenum type, |
| GLsizei bufSize, |
| const void *pixels) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateRobustEntryPoint(context, bufSize)) |
| { |
| return false; |
| } |
| |
| return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0, |
| 0, 0, width, height, depth, border, format, type, |
| bufSize, pixels); |
| } |
| |
| bool ValidateTexSubImage3D(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLenum format, |
| GLenum type, |
| const void *pixels) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset, |
| yoffset, zoffset, width, height, depth, 0, format, type, |
| -1, pixels); |
| } |
| |
| bool ValidateTexSubImage3DRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLenum format, |
| GLenum type, |
| GLsizei bufSize, |
| const void *pixels) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateRobustEntryPoint(context, bufSize)) |
| { |
| return false; |
| } |
| |
| return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset, |
| yoffset, zoffset, width, height, depth, 0, format, type, |
| bufSize, pixels); |
| } |
| |
| bool ValidateCompressedTexSubImage3D(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLenum format, |
| GLsizei imageSize, |
| const void *data) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| const InternalFormat &formatInfo = GetSizedInternalFormatInfo(format); |
| if (!formatInfo.compressed) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidCompressedFormat); |
| return false; |
| } |
| |
| GLuint blockSize = 0; |
| if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kIntegerOverflow); |
| return false; |
| } |
| |
| if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidCompressedImageSize); |
| return false; |
| } |
| |
| if (!ValidateES3TexImage3DParameters(context, target, level, GL_NONE, true, true, xoffset, |
| yoffset, zoffset, width, height, depth, 0, format, GL_NONE, |
| -1, data)) |
| { |
| return false; |
| } |
| |
| if (!data) |
| { |
| context->validationError(GL_INVALID_VALUE, kPixelDataNull); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateCompressedTexSubImage3DRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLint zoffset, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLenum format, |
| GLsizei imageSize, |
| GLsizei dataSize, |
| const void *data) |
| { |
| if (!ValidateRobustCompressedTexImageBase(context, imageSize, dataSize)) |
| { |
| return false; |
| } |
| |
| return ValidateCompressedTexSubImage3D(context, target, level, xoffset, yoffset, zoffset, width, |
| height, depth, format, imageSize, data); |
| } |
| |
| bool ValidateGenQueries(const Context *context, GLsizei n, const QueryID *queries) |
| { |
| return ValidateGenOrDeleteES3(context, n); |
| } |
| |
| bool ValidateDeleteQueries(const Context *context, GLsizei n, const QueryID *queries) |
| { |
| return ValidateGenOrDeleteES3(context, n); |
| } |
| |
| bool ValidateGenSamplers(const Context *context, GLsizei count, const SamplerID *samplers) |
| { |
| return ValidateGenOrDeleteCountES3(context, count); |
| } |
| |
| bool ValidateDeleteSamplers(const Context *context, GLsizei count, const SamplerID *samplers) |
| { |
| return ValidateGenOrDeleteCountES3(context, count); |
| } |
| |
| bool ValidateGenTransformFeedbacks(const Context *context, |
| GLsizei n, |
| const TransformFeedbackID *ids) |
| { |
| return ValidateGenOrDeleteES3(context, n); |
| } |
| |
| bool ValidateDeleteTransformFeedbacks(const Context *context, |
| GLsizei n, |
| const TransformFeedbackID *ids) |
| { |
| if (!ValidateGenOrDeleteES3(context, n)) |
| { |
| return false; |
| } |
| for (GLint i = 0; i < n; ++i) |
| { |
| auto *transformFeedback = context->getTransformFeedback(ids[i]); |
| if (transformFeedback != nullptr && transformFeedback->isActive()) |
| { |
| // ES 3.0.4 section 2.15.1 page 86 |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackActiveDelete); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateGenVertexArrays(const Context *context, GLsizei n, const VertexArrayID *arrays) |
| { |
| return ValidateGenOrDeleteES3(context, n); |
| } |
| |
| bool ValidateDeleteVertexArrays(const Context *context, GLsizei n, const VertexArrayID *arrays) |
| { |
| return ValidateGenOrDeleteES3(context, n); |
| } |
| |
| bool ValidateBeginTransformFeedback(const Context *context, PrimitiveMode primitiveMode) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| switch (primitiveMode) |
| { |
| case PrimitiveMode::Triangles: |
| case PrimitiveMode::Lines: |
| case PrimitiveMode::Points: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPrimitiveMode); |
| return false; |
| } |
| |
| TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); |
| ASSERT(transformFeedback != nullptr); |
| |
| if (transformFeedback->isActive()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransfomFeedbackAlreadyActive); |
| return false; |
| } |
| |
| for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++) |
| { |
| const auto &buffer = transformFeedback->getIndexedBuffer(i); |
| if (buffer.get()) |
| { |
| if (buffer->isMapped()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kBufferMapped); |
| return false; |
| } |
| if ((context->getLimitations().noDoubleBoundTransformFeedbackBuffers || |
| context->getExtensions().webglCompatibility) && |
| buffer->isDoubleBoundForTransformFeedback()) |
| { |
| context->validationError(GL_INVALID_OPERATION, |
| kTransformFeedbackBufferMultipleOutputs); |
| return false; |
| } |
| } |
| } |
| |
| Program *program = context->getState().getLinkedProgram(context); |
| |
| if (!program) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotBound); |
| return false; |
| } |
| |
| if (program->getTransformFeedbackVaryingCount() == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kNoTransformFeedbackOutputVariables); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetBufferPointerv(const Context *context, |
| BufferBinding target, |
| GLenum pname, |
| void *const *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateGetBufferPointervBase(context, target, pname, nullptr, params); |
| } |
| |
| bool ValidateGetBufferPointervRobustANGLE(const Context *context, |
| BufferBinding target, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| void *const *params) |
| { |
| if (!ValidateRobustEntryPoint(context, bufSize)) |
| { |
| return false; |
| } |
| |
| GLsizei numParams = 0; |
| |
| if (context->getClientMajorVersion() < 3 && !context->getExtensions().mapBufferOES) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| |
| if (!ValidateGetBufferPointervBase(context, target, pname, &numParams, params)) |
| { |
| return false; |
| } |
| |
| if (!ValidateRobustBufferSize(context, bufSize, numParams)) |
| { |
| return false; |
| } |
| |
| SetRobustLengthParam(length, numParams); |
| |
| return true; |
| } |
| |
| bool ValidateUnmapBuffer(const Context *context, BufferBinding target) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateUnmapBufferBase(context, target); |
| } |
| |
| bool ValidateMapBufferRange(const Context *context, |
| BufferBinding target, |
| GLintptr offset, |
| GLsizeiptr length, |
| GLbitfield access) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateMapBufferRangeBase(context, target, offset, length, access); |
| } |
| |
| bool ValidateFlushMappedBufferRange(const Context *context, |
| BufferBinding target, |
| GLintptr offset, |
| GLsizeiptr length) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateFlushMappedBufferRangeBase(context, target, offset, length); |
| } |
| |
| bool ValidateIndexedStateQuery(const Context *context, GLenum pname, GLuint index, GLsizei *length) |
| { |
| if (length) |
| { |
| *length = 0; |
| } |
| |
| GLenum nativeType; |
| unsigned int numParams; |
| if (!context->getIndexedQueryParameterInfo(pname, &nativeType, &numParams)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| switch (pname) |
| { |
| case GL_BLEND_SRC_RGB: |
| case GL_BLEND_SRC_ALPHA: |
| case GL_BLEND_DST_RGB: |
| case GL_BLEND_DST_ALPHA: |
| case GL_BLEND_EQUATION_RGB: |
| case GL_BLEND_EQUATION_ALPHA: |
| case GL_COLOR_WRITEMASK: |
| if (!context->getExtensions().drawBuffersIndexedAny()) |
| { |
| context->validationError(GL_INVALID_ENUM, kDrawBuffersIndexedExtensionNotAvailable); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxDrawBuffers)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); |
| return false; |
| } |
| break; |
| case GL_TRANSFORM_FEEDBACK_BUFFER_START: |
| case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE: |
| case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: |
| if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes)) |
| { |
| context->validationError(GL_INVALID_VALUE, |
| kIndexExceedsMaxTransformFeedbackAttribs); |
| return false; |
| } |
| break; |
| |
| case GL_UNIFORM_BUFFER_START: |
| case GL_UNIFORM_BUFFER_SIZE: |
| case GL_UNIFORM_BUFFER_BINDING: |
| if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxUniformBufferBindings); |
| return false; |
| } |
| break; |
| |
| case GL_MAX_COMPUTE_WORK_GROUP_SIZE: |
| case GL_MAX_COMPUTE_WORK_GROUP_COUNT: |
| if (index >= 3u) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxWorkgroupDimensions); |
| return false; |
| } |
| break; |
| |
| case GL_ATOMIC_COUNTER_BUFFER_START: |
| case GL_ATOMIC_COUNTER_BUFFER_SIZE: |
| case GL_ATOMIC_COUNTER_BUFFER_BINDING: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, |
| kIndexExceedsMaxAtomicCounterBufferBindings); |
| return false; |
| } |
| break; |
| |
| case GL_SHADER_STORAGE_BUFFER_START: |
| case GL_SHADER_STORAGE_BUFFER_SIZE: |
| case GL_SHADER_STORAGE_BUFFER_BINDING: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxShaderStorageBufferBindings); |
| return false; |
| } |
| break; |
| |
| case GL_VERTEX_BINDING_BUFFER: |
| case GL_VERTEX_BINDING_DIVISOR: |
| case GL_VERTEX_BINDING_OFFSET: |
| case GL_VERTEX_BINDING_STRIDE: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); |
| return false; |
| } |
| break; |
| case GL_SAMPLE_MASK_VALUE: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxSampleMaskWords)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidSampleMaskNumber); |
| return false; |
| } |
| break; |
| case GL_IMAGE_BINDING_NAME: |
| case GL_IMAGE_BINDING_LEVEL: |
| case GL_IMAGE_BINDING_LAYERED: |
| case GL_IMAGE_BINDING_LAYER: |
| case GL_IMAGE_BINDING_ACCESS: |
| case GL_IMAGE_BINDING_FORMAT: |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumRequiresGLES31); |
| return false; |
| } |
| if (index >= static_cast<GLuint>(caps.maxImageUnits)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxImageUnits); |
| return false; |
| } |
| break; |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| if (length) |
| { |
| if (pname == GL_COLOR_WRITEMASK) |
| { |
| *length = 4; |
| } |
| else |
| { |
| *length = 1; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetIntegeri_v(const Context *context, GLenum target, GLuint index, const GLint *data) |
| { |
| if (context->getClientVersion() < ES_3_0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateIndexedStateQuery(context, target, index, nullptr); |
| } |
| |
| bool ValidateGetIntegeri_vRobustANGLE(const Context *context, |
| GLenum target, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *data) |
| { |
| if (context->getClientVersion() < ES_3_0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateRobustEntryPoint(context, bufSize)) |
| { |
| return false; |
| } |
| |
| GLsizei numParams = 0; |
| |
| if (!ValidateIndexedStateQuery(context, target, index, &numParams)) |
| { |
| return false; |
| } |
| |
| if (!ValidateRobustBufferSize(context, bufSize, numParams)) |
| { |
| return false; |
| } |
| |
| SetRobustLengthParam(length, numParams); |
| |
| return true; |
| } |
| |
| bool ValidateGetInteger64i_v(const Context *context, |
| GLenum target, |
| GLuint index, |
| const GLint64 *data) |
| { |
| if (context->getClientVersion() < ES_3_0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateIndexedStateQuery(context, target, index, nullptr); |
| } |
| |
| bool ValidateGetInteger64i_vRobustANGLE(const Context *context, |
| GLenum target, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint64 *data) |
| { |
| if (context->getClientVersion() < ES_3_0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateRobustEntryPoint(context, bufSize)) |
| { |
| return false; |
| } |
| |
| GLsizei numParams = 0; |
| |
| if (!ValidateIndexedStateQuery(context, target, index, &numParams)) |
| { |
| return false; |
| } |
| |
| if (!ValidateRobustBufferSize(context, bufSize, numParams)) |
| { |
| return false; |
| } |
| |
| SetRobustLengthParam(length, numParams); |
| |
| return true; |
| } |
| |
| bool ValidateCopyBufferSubData(const Context *context, |
| BufferBinding readTarget, |
| BufferBinding writeTarget, |
| GLintptr readOffset, |
| GLintptr writeOffset, |
| GLsizeiptr size) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!context->isValidBufferBinding(readTarget) || !context->isValidBufferBinding(writeTarget)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidBufferTypes); |
| return false; |
| } |
| |
| Buffer *readBuffer = context->getState().getTargetBuffer(readTarget); |
| Buffer *writeBuffer = context->getState().getTargetBuffer(writeTarget); |
| |
| if (!readBuffer || !writeBuffer) |
| { |
| context->validationError(GL_INVALID_OPERATION, kBufferNotBound); |
| return false; |
| } |
| |
| // Verify that readBuffer and writeBuffer are not currently mapped |
| if (readBuffer->isMapped() || writeBuffer->isMapped()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kBufferMapped); |
| return false; |
| } |
| |
| if (context->getExtensions().webglCompatibility && |
| (readBuffer->isBoundForTransformFeedbackAndOtherUse() || |
| writeBuffer->isBoundForTransformFeedbackAndOtherUse())) |
| { |
| context->validationError(GL_INVALID_OPERATION, kBufferBoundForTransformFeedback); |
| return false; |
| } |
| |
| CheckedNumeric<GLintptr> checkedReadOffset(readOffset); |
| CheckedNumeric<GLintptr> checkedWriteOffset(writeOffset); |
| CheckedNumeric<GLintptr> checkedSize(size); |
| |
| auto checkedReadSum = checkedReadOffset + checkedSize; |
| auto checkedWriteSum = checkedWriteOffset + checkedSize; |
| |
| if (!checkedReadSum.IsValid() || !checkedWriteSum.IsValid() || |
| !IsValueInRangeForNumericType<GLintptr>(readBuffer->getSize()) || |
| !IsValueInRangeForNumericType<GLintptr>(writeBuffer->getSize())) |
| { |
| context->validationError(GL_INVALID_VALUE, kIntegerOverflow); |
| return false; |
| } |
| |
| if (readOffset < 0 || writeOffset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (size < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeSize); |
| return false; |
| } |
| |
| if (checkedReadSum.ValueOrDie() > readBuffer->getSize() || |
| checkedWriteSum.ValueOrDie() > writeBuffer->getSize()) |
| { |
| context->validationError(GL_INVALID_VALUE, kBufferOffsetOverflow); |
| return false; |
| } |
| |
| if (readBuffer == writeBuffer) |
| { |
| auto checkedOffsetDiff = (checkedReadOffset - checkedWriteOffset).Abs(); |
| if (!checkedOffsetDiff.IsValid()) |
| { |
| // This shold not be possible. |
| UNREACHABLE(); |
| context->validationError(GL_INVALID_VALUE, kIntegerOverflow); |
| return false; |
| } |
| |
| if (checkedOffsetDiff.ValueOrDie() < size) |
| { |
| context->validationError(GL_INVALID_VALUE, kCopyAlias); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetStringi(const Context *context, GLenum name, GLuint index) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| switch (name) |
| { |
| case GL_EXTENSIONS: |
| if (index >= context->getExtensionStringCount()) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsNumExtensions); |
| return false; |
| } |
| break; |
| |
| case GL_REQUESTABLE_EXTENSIONS_ANGLE: |
| if (!context->getExtensions().requestExtension) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidName); |
| return false; |
| } |
| if (index >= context->getRequestableExtensionStringCount()) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsNumRequestableExtensions); |
| return false; |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidName); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateRenderbufferStorageMultisample(const Context *context, |
| GLenum target, |
| GLsizei samples, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateRenderbufferStorageParametersBase(context, target, samples, internalformat, width, |
| height)) |
| { |
| return false; |
| } |
| |
| // The ES3 spec(section 4.4.2) states that the internal format must be sized and not an integer |
| // format if samples is greater than zero. In ES3.1(section 9.2.5), it can support integer |
| // multisample renderbuffer, but the samples should not be greater than MAX_INTEGER_SAMPLES. |
| const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); |
| if (formatInfo.isInt()) |
| { |
| if ((samples > 0 && context->getClientVersion() == ES_3_0) || |
| samples > context->getCaps().maxIntegerSamples) |
| { |
| context->validationError(GL_INVALID_OPERATION, kSamplesOutOfRange); |
| return false; |
| } |
| } |
| |
| // The behavior is different than the ANGLE version, which would generate a GL_OUT_OF_MEMORY. |
| const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat); |
| if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kSamplesOutOfRange); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateVertexAttribIPointer(const Context *context, |
| GLuint index, |
| GLint size, |
| VertexAttribType type, |
| GLsizei stride, |
| const void *pointer) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateIntegerVertexFormat(context, index, size, type)) |
| { |
| return false; |
| } |
| |
| if (stride < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeStride); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (context->getClientVersion() >= ES_3_1) |
| { |
| if (stride > caps.maxVertexAttribStride) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribStride); |
| return false; |
| } |
| |
| // [OpenGL ES 3.1] Section 10.3.1 page 245: |
| // glVertexAttribBinding is part of the equivalent code of VertexAttribIPointer, so its |
| // validation should be inherited. |
| if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); |
| return false; |
| } |
| } |
| |
| // [OpenGL ES 3.0.2] Section 2.8 page 24: |
| // An INVALID_OPERATION error is generated when a non-zero vertex array object |
| // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point, |
| // and the pointer argument is not NULL. |
| if (context->getState().getVertexArrayId().value != 0 && |
| context->getState().getTargetBuffer(BufferBinding::Array) == 0 && pointer != nullptr) |
| { |
| context->validationError(GL_INVALID_OPERATION, kClientDataInVertexArray); |
| return false; |
| } |
| |
| if (context->getExtensions().webglCompatibility) |
| { |
| if (!ValidateWebGLVertexAttribPointer(context, type, false, stride, pointer, true)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetSynciv(const Context *context, |
| GLsync sync, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *values) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (bufSize < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBufferSize); |
| return false; |
| } |
| |
| if (context->isContextLost()) |
| { |
| context->validationError(GL_CONTEXT_LOST, kContextLost); |
| |
| if (pname == GL_SYNC_STATUS) |
| { |
| // Generate an error but still return true, the context still needs to return a |
| // value in this case. |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| |
| Sync *syncObject = context->getSync(sync); |
| if (!syncObject) |
| { |
| context->validationError(GL_INVALID_VALUE, kSyncMissing); |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_OBJECT_TYPE: |
| case GL_SYNC_CONDITION: |
| case GL_SYNC_FLAGS: |
| case GL_SYNC_STATUS: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDrawElementsInstanced(const Context *context, |
| PrimitiveMode mode, |
| GLsizei count, |
| DrawElementsType type, |
| const void *indices, |
| GLsizei instanceCount) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateDrawElementsInstancedBase(context, mode, count, type, indices, instanceCount); |
| } |
| |
| bool ValidateMultiDrawArraysInstancedANGLE(const Context *context, |
| PrimitiveMode mode, |
| const GLint *firsts, |
| const GLsizei *counts, |
| const GLsizei *instanceCounts, |
| GLsizei drawcount) |
| { |
| if (!context->getExtensions().multiDraw) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (context->getClientMajorVersion() < 3) |
| { |
| if (!context->getExtensions().instancedArraysAny()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (!ValidateDrawInstancedANGLE(context)) |
| { |
| return false; |
| } |
| } |
| for (GLsizei drawID = 0; drawID < drawcount; ++drawID) |
| { |
| if (!ValidateDrawArraysInstancedBase(context, mode, firsts[drawID], counts[drawID], |
| instanceCounts[drawID])) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateMultiDrawElementsInstancedANGLE(const Context *context, |
| PrimitiveMode mode, |
| const GLsizei *counts, |
| DrawElementsType type, |
| const GLvoid *const *indices, |
| const GLsizei *instanceCounts, |
| GLsizei drawcount) |
| { |
| if (!context->getExtensions().multiDraw) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (context->getClientMajorVersion() < 3) |
| { |
| if (!context->getExtensions().instancedArraysAny()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (!ValidateDrawInstancedANGLE(context)) |
| { |
| return false; |
| } |
| } |
| for (GLsizei drawID = 0; drawID < drawcount; ++drawID) |
| { |
| if (!ValidateDrawElementsInstancedBase(context, mode, counts[drawID], type, indices[drawID], |
| instanceCounts[drawID])) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateDrawArraysInstancedBaseInstanceANGLE(const Context *context, |
| PrimitiveMode mode, |
| GLint first, |
| GLsizei count, |
| GLsizei instanceCount, |
| GLuint baseInstance) |
| { |
| if (!context->getExtensions().baseVertexBaseInstance) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (!ValidateDrawArraysInstancedBase(context, mode, first, count, instanceCount)) |
| { |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context, |
| PrimitiveMode mode, |
| GLsizei count, |
| DrawElementsType type, |
| const GLvoid *indices, |
| GLsizei instanceCounts, |
| GLint baseVertex, |
| GLuint baseInstance) |
| { |
| if (!context->getExtensions().baseVertexBaseInstance) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (!ValidateDrawElementsInstancedBase(context, mode, count, type, indices, instanceCounts)) |
| { |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateMultiDrawArraysInstancedBaseInstanceANGLE(const Context *context, |
| PrimitiveMode modePacked, |
| const GLint *firsts, |
| const GLsizei *counts, |
| const GLsizei *instanceCounts, |
| const GLuint *baseInstances, |
| GLsizei drawcount) |
| { |
| if (!context->getExtensions().multiDraw) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (drawcount < 0) |
| { |
| return false; |
| } |
| for (GLsizei drawID = 0; drawID < drawcount; ++drawID) |
| { |
| if (!ValidateDrawArraysInstancedBase(context, modePacked, firsts[drawID], counts[drawID], |
| instanceCounts[drawID])) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context, |
| PrimitiveMode modePacked, |
| const GLsizei *counts, |
| DrawElementsType typePacked, |
| const GLvoid *const *indices, |
| const GLsizei *instanceCounts, |
| const GLint *baseVertices, |
| const GLuint *baseInstances, |
| GLsizei drawcount) |
| { |
| if (!context->getExtensions().multiDraw) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (drawcount < 0) |
| { |
| return false; |
| } |
| for (GLsizei drawID = 0; drawID < drawcount; ++drawID) |
| { |
| if (!ValidateDrawElementsInstancedBase(context, modePacked, counts[drawID], typePacked, |
| indices[drawID], instanceCounts[drawID])) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateFramebufferTextureMultiviewOVR(const Context *context, |
| GLenum target, |
| GLenum attachment, |
| TextureID texture, |
| GLint level, |
| GLint baseViewIndex, |
| GLsizei numViews) |
| { |
| if (!ValidateFramebufferTextureMultiviewBaseANGLE(context, target, attachment, texture, level, |
| numViews)) |
| { |
| return false; |
| } |
| |
| if (texture.value != 0) |
| { |
| if (baseViewIndex < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBaseViewIndex); |
| return false; |
| } |
| |
| Texture *tex = context->getTexture(texture); |
| ASSERT(tex); |
| |
| switch (tex->getType()) |
| { |
| case TextureType::_2DArray: |
| case TextureType::_2DMultisampleArray: |
| { |
| if (tex->getType() == TextureType::_2DMultisampleArray) |
| { |
| if (!context->getExtensions().multiviewMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidTextureType); |
| return false; |
| } |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (baseViewIndex + numViews > caps.maxArrayTextureLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kViewsExceedMaxArrayLayers); |
| return false; |
| } |
| |
| break; |
| } |
| default: |
| context->validationError(GL_INVALID_OPERATION, kInvalidTextureType); |
| return false; |
| } |
| |
| if (!ValidateFramebufferTextureMultiviewLevelAndFormat(context, tex, level)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateUniform1ui(const Context *context, UniformLocation location, GLuint v0) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT, location, 1); |
| } |
| |
| bool ValidateUniform2ui(const Context *context, UniformLocation location, GLuint v0, GLuint v1) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC2, location, 1); |
| } |
| |
| bool ValidateUniform3ui(const Context *context, |
| UniformLocation location, |
| GLuint v0, |
| GLuint v1, |
| GLuint v2) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC3, location, 1); |
| } |
| |
| bool ValidateUniform4ui(const Context *context, |
| UniformLocation location, |
| GLuint v0, |
| GLuint v1, |
| GLuint v2, |
| GLuint v3) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC4, location, 1); |
| } |
| |
| bool ValidateUniform1uiv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT, location, count); |
| } |
| |
| bool ValidateUniform2uiv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC2, location, count); |
| } |
| |
| bool ValidateUniform3uiv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC3, location, count); |
| } |
| |
| bool ValidateUniform4uiv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC4, location, count); |
| } |
| |
| bool ValidateIsQuery(const Context *context, QueryID id) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateUniformMatrix2x3fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT2x3, location, count, transpose); |
| } |
| |
| bool ValidateUniformMatrix3x2fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT3x2, location, count, transpose); |
| } |
| |
| bool ValidateUniformMatrix2x4fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT2x4, location, count, transpose); |
| } |
| |
| bool ValidateUniformMatrix4x2fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT4x2, location, count, transpose); |
| } |
| |
| bool ValidateUniformMatrix3x4fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT3x4, location, count, transpose); |
| } |
| |
| bool ValidateUniformMatrix4x3fv(const Context *context, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateUniformMatrixES3(context, GL_FLOAT_MAT4x3, location, count, transpose); |
| } |
| |
| bool ValidateEndTransformFeedback(const Context *context) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); |
| ASSERT(transformFeedback != nullptr); |
| |
| if (!transformFeedback->isActive()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackNotActive); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateTransformFeedbackVaryings(const Context *context, |
| ShaderProgramID program, |
| GLsizei count, |
| const GLchar *const *varyings, |
| GLenum bufferMode) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (count < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeCount); |
| return false; |
| } |
| |
| switch (bufferMode) |
| { |
| case GL_INTERLEAVED_ATTRIBS: |
| break; |
| case GL_SEPARATE_ATTRIBS: |
| { |
| const Caps &caps = context->getCaps(); |
| if (count > caps.maxTransformFeedbackSeparateAttributes) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidTransformFeedbackAttribsCount); |
| return false; |
| } |
| break; |
| } |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetTransformFeedbackVarying(const Context *context, |
| ShaderProgramID program, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLsizei *size, |
| const GLenum *type, |
| const GLchar *name) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (bufSize < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBufferSize); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| if (index >= static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount())) |
| { |
| context->validationError(GL_INVALID_VALUE, kTransformFeedbackVaryingIndexOutOfRange); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBindTransformFeedback(const Context *context, GLenum target, TransformFeedbackID id) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| switch (target) |
| { |
| case GL_TRANSFORM_FEEDBACK: |
| { |
| // Cannot bind a transform feedback object if the current one is started and not |
| // paused (3.0.2 pg 85 section 2.14.1) |
| if (context->getState().isTransformFeedbackActiveUnpaused()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackNotPaused); |
| return false; |
| } |
| |
| // Cannot bind a transform feedback object that does not exist (3.0.2 pg 85 section |
| // 2.14.1) |
| if (!context->isTransformFeedbackGenerated(id)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackDoesNotExist); |
| return false; |
| } |
| } |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateIsTransformFeedback(const Context *context, TransformFeedbackID id) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidatePauseTransformFeedback(const Context *context) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); |
| ASSERT(transformFeedback != nullptr); |
| |
| // Current transform feedback must be active and not paused in order to pause (3.0.2 pg 86) |
| if (!transformFeedback->isActive()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackNotActive); |
| return false; |
| } |
| |
| if (transformFeedback->isPaused()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackPaused); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateResumeTransformFeedback(const Context *context) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); |
| ASSERT(transformFeedback != nullptr); |
| |
| // Current transform feedback must be active and paused in order to resume (3.0.2 pg 86) |
| if (!transformFeedback->isActive()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackNotActive); |
| return false; |
| } |
| |
| if (!transformFeedback->isPaused()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTransformFeedbackNotPaused); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateVertexAttribI4i(const Context *context, |
| GLuint index, |
| GLint x, |
| GLint y, |
| GLint z, |
| GLint w) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateVertexAttribIndex(context, index); |
| } |
| |
| bool ValidateVertexAttribI4ui(const Context *context, |
| GLuint index, |
| GLuint x, |
| GLuint y, |
| GLuint z, |
| GLuint w) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateVertexAttribIndex(context, index); |
| } |
| |
| bool ValidateVertexAttribI4iv(const Context *context, GLuint index, const GLint *v) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateVertexAttribIndex(context, index); |
| } |
| |
| bool ValidateVertexAttribI4uiv(const Context *context, GLuint index, const GLuint *v) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateVertexAttribIndex(context, index); |
| } |
| |
| bool ValidateGetFragDataLocation(const Context *context, |
| ShaderProgramID program, |
| const GLchar *name) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| if (!programObject->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetUniformIndices(const Context *context, |
| ShaderProgramID program, |
| GLsizei uniformCount, |
| const GLchar *const *uniformNames, |
| const GLuint *uniformIndices) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (uniformCount < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeCount); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetActiveUniformsiv(const Context *context, |
| ShaderProgramID program, |
| GLsizei uniformCount, |
| const GLuint *uniformIndices, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (uniformCount < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeCount); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_UNIFORM_TYPE: |
| case GL_UNIFORM_SIZE: |
| break; |
| case GL_UNIFORM_NAME_LENGTH: |
| if (context->getExtensions().webglCompatibility) |
| { |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| break; |
| case GL_UNIFORM_BLOCK_INDEX: |
| case GL_UNIFORM_OFFSET: |
| case GL_UNIFORM_ARRAY_STRIDE: |
| case GL_UNIFORM_MATRIX_STRIDE: |
| case GL_UNIFORM_IS_ROW_MAJOR: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kEnumNotSupported); |
| return false; |
| } |
| |
| if (uniformCount > programObject->getActiveUniformCount()) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform); |
| return false; |
| } |
| |
| for (int uniformId = 0; uniformId < uniformCount; uniformId++) |
| { |
| const GLuint index = uniformIndices[uniformId]; |
| |
| if (index >= static_cast<GLuint>(programObject->getActiveUniformCount())) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetUniformBlockIndex(const Context *context, |
| ShaderProgramID program, |
| const GLchar *uniformBlockName) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetActiveUniformBlockiv(const Context *context, |
| ShaderProgramID program, |
| GLuint uniformBlockIndex, |
| GLenum pname, |
| const GLint *params) |
| { |
| return ValidateGetActiveUniformBlockivBase(context, program, uniformBlockIndex, pname, nullptr); |
| } |
| |
| bool ValidateGetActiveUniformBlockName(const Context *context, |
| ShaderProgramID program, |
| GLuint uniformBlockIndex, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLchar *uniformBlockName) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| if (uniformBlockIndex >= programObject->getActiveUniformBlockCount()) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxActiveUniformBlock); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateUniformBlockBinding(const Context *context, |
| ShaderProgramID program, |
| GLuint uniformBlockIndex, |
| GLuint uniformBlockBinding) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (uniformBlockBinding >= static_cast<GLuint>(context->getCaps().maxUniformBufferBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxUniformBufferBindings); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| |
| // if never linked, there won't be any uniform blocks |
| if (uniformBlockIndex >= programObject->getActiveUniformBlockCount()) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxUniformBufferBindings); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDrawArraysInstanced(const Context *context, |
| PrimitiveMode mode, |
| GLint first, |
| GLsizei count, |
| GLsizei primcount) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateDrawArraysInstancedBase(context, mode, first, count, primcount); |
| } |
| |
| bool ValidateFenceSync(const Context *context, GLenum condition, GLbitfield flags) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFenceCondition); |
| return false; |
| } |
| |
| if (flags != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidFlags); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateIsSync(const Context *context, GLsync sync) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDeleteSync(const Context *context, GLsync sync) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (sync != static_cast<GLsync>(0) && !context->getSync(sync)) |
| { |
| context->validationError(GL_INVALID_VALUE, kSyncMissing); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateClientWaitSync(const Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if ((flags & ~(GL_SYNC_FLUSH_COMMANDS_BIT)) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidFlags); |
| return false; |
| } |
| |
| Sync *clientWaitSync = context->getSync(sync); |
| if (!clientWaitSync) |
| { |
| context->validationError(GL_INVALID_VALUE, kSyncMissing); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateWaitSync(const Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (flags != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidFlags); |
| return false; |
| } |
| |
| if (timeout != GL_TIMEOUT_IGNORED) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidTimeout); |
| return false; |
| } |
| |
| Sync *waitSync = context->getSync(sync); |
| if (!waitSync) |
| { |
| context->validationError(GL_INVALID_VALUE, kSyncMissing); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetInteger64v(const Context *context, GLenum pname, const GLint64 *params) |
| { |
| if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSyncARB) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| GLenum nativeType = GL_NONE; |
| unsigned int numParams = 0; |
| if (!ValidateStateQuery(context, pname, &nativeType, &numParams)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateIsSampler(const Context *context, SamplerID sampler) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBindSampler(const Context *context, GLuint unit, SamplerID sampler) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (GetIDValue(sampler) != 0 && !context->isSampler(sampler)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidSampler); |
| return false; |
| } |
| |
| if (unit >= static_cast<GLuint>(context->getCaps().maxCombinedTextureImageUnits)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidCombinedImageUnit); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateVertexAttribDivisor(const Context *context, GLuint index, GLuint divisor) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| return ValidateVertexAttribIndex(context, index); |
| } |
| |
| bool ValidateTexStorage2D(const Context *context, |
| TextureType target, |
| GLsizei levels, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateES3TexStorage2DParameters(context, target, levels, internalformat, width, height, |
| 1)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateTexStorage3D(const Context *context, |
| TextureType target, |
| GLsizei levels, |
| GLenum internalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| |
| if (!ValidateES3TexStorage3DParameters(context, target, levels, internalformat, width, height, |
| depth)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetBufferParameteri64v(const Context *context, |
| BufferBinding target, |
| GLenum pname, |
| const GLint64 *params) |
| { |
| return ValidateGetBufferParameterBase(context, target, pname, false, nullptr); |
| } |
| |
| bool ValidateGetSamplerParameterfv(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLfloat *params) |
| { |
| return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); |
| } |
| |
| bool ValidateGetSamplerParameteriv(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLint *params) |
| { |
| return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); |
| } |
| |
| bool ValidateGetSamplerParameterIivOES(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); |
| } |
| |
| bool ValidateGetSamplerParameterIuivOES(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLuint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); |
| } |
| |
| bool ValidateSamplerParameterf(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| GLfloat param) |
| { |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, false, ¶m); |
| } |
| |
| bool ValidateSamplerParameterfv(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLfloat *params) |
| { |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, true, params); |
| } |
| |
| bool ValidateSamplerParameteri(const Context *context, SamplerID sampler, GLenum pname, GLint param) |
| { |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, false, ¶m); |
| } |
| |
| bool ValidateSamplerParameteriv(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLint *params) |
| { |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, true, params); |
| } |
| |
| bool ValidateSamplerParameterIivOES(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, true, params); |
| } |
| |
| bool ValidateSamplerParameterIuivOES(const Context *context, |
| SamplerID sampler, |
| GLenum pname, |
| const GLuint *params) |
| { |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| return ValidateSamplerParameterBase(context, sampler, pname, -1, true, params); |
| } |
| |
| bool ValidateGetVertexAttribIiv(const Context *context, |
| GLuint index, |
| GLenum pname, |
| const GLint *params) |
| { |
| return ValidateGetVertexAttribBase(context, index, pname, nullptr, false, true); |
| } |
| |
| bool ValidateGetVertexAttribIuiv(const Context *context, |
| GLuint index, |
| GLenum pname, |
| const GLuint *params) |
| { |
| return ValidateGetVertexAttribBase(context, index, pname, nullptr, false, true); |
| } |
| |
| bool ValidateGetInternalformativ(const Context *context, |
| GLenum target, |
| GLenum internalformat, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLint *params) |
| { |
| return ValidateGetInternalFormativBase(context, target, internalformat, pname, bufSize, |
| nullptr); |
| } |
| |
| bool ValidateBindFragDataLocationIndexedEXT(const Context *context, |
| ShaderProgramID program, |
| GLuint colorNumber, |
| GLuint index, |
| const char *name) |
| { |
| if (!context->getExtensions().blendFuncExtended) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| if (index > 1) |
| { |
| // This error is not explicitly specified but the spec does say that "<index> may be zero or |
| // one to specify that the color be used as either the first or second color input to the |
| // blend equation, respectively" |
| context->validationError(GL_INVALID_VALUE, kFragDataBindingIndexOutOfRange); |
| return false; |
| } |
| if (index == 1) |
| { |
| if (colorNumber >= context->getExtensions().maxDualSourceDrawBuffers) |
| { |
| context->validationError(GL_INVALID_VALUE, |
| kColorNumberGreaterThanMaxDualSourceDrawBuffers); |
| return false; |
| } |
| } |
| else |
| { |
| if (colorNumber >= static_cast<GLuint>(context->getCaps().maxDrawBuffers)) |
| { |
| context->validationError(GL_INVALID_VALUE, kColorNumberGreaterThanMaxDrawBuffers); |
| return false; |
| } |
| } |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateBindFragDataLocationEXT(const Context *context, |
| ShaderProgramID program, |
| GLuint colorNumber, |
| const char *name) |
| { |
| return ValidateBindFragDataLocationIndexedEXT(context, program, colorNumber, 0u, name); |
| } |
| |
| bool ValidateGetFragDataIndexEXT(const Context *context, ShaderProgramID program, const char *name) |
| { |
| if (!context->getExtensions().blendFuncExtended) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (context->getClientMajorVersion() < 3) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES3Required); |
| return false; |
| } |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| if (!programObject->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateTexStorage2DMultisampleANGLE(const Context *context, |
| TextureType target, |
| GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, |
| GLsizei height, |
| GLboolean fixedSampleLocations) |
| { |
| if (!context->getExtensions().textureMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultisampleTextureExtensionOrES31Required); |
| return false; |
| } |
| |
| return ValidateTexStorage2DMultisampleBase(context, target, samples, internalFormat, width, |
| height); |
| } |
| |
| bool ValidateGetTexLevelParameterfvANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| const GLfloat *params) |
| { |
| if (!context->getExtensions().textureMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultisampleTextureExtensionOrES31Required); |
| return false; |
| } |
| |
| return ValidateGetTexLevelParameterBase(context, target, level, pname, nullptr); |
| } |
| |
| bool ValidateGetTexLevelParameterivANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (!context->getExtensions().textureMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultisampleTextureExtensionOrES31Required); |
| return false; |
| } |
| |
| return ValidateGetTexLevelParameterBase(context, target, level, pname, nullptr); |
| } |
| |
| bool ValidateGetMultisamplefvANGLE(const Context *context, |
| GLenum pname, |
| GLuint index, |
| const GLfloat *val) |
| { |
| if (!context->getExtensions().textureMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultisampleTextureExtensionOrES31Required); |
| return false; |
| } |
| |
| return ValidateGetMultisamplefvBase(context, pname, index, val); |
| } |
| |
| bool ValidateSampleMaskiANGLE(const Context *context, GLuint maskNumber, GLbitfield mask) |
| { |
| if (!context->getExtensions().textureMultisample) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMultisampleTextureExtensionOrES31Required); |
| return false; |
| } |
| |
| return ValidateSampleMaskiBase(context, maskNumber, mask); |
| } |
| } // namespace gl |
