| // |
| // Copyright 2016 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. |
| // |
| |
| // validationES31.cpp: Validation functions for OpenGL ES 3.1 entry point parameters |
| |
| #include "libANGLE/validationES31_autogen.h" |
| |
| #include "libANGLE/Context.h" |
| #include "libANGLE/ErrorStrings.h" |
| #include "libANGLE/Framebuffer.h" |
| #include "libANGLE/ProgramExecutable.h" |
| #include "libANGLE/VertexArray.h" |
| #include "libANGLE/validationES.h" |
| #include "libANGLE/validationES2_autogen.h" |
| #include "libANGLE/validationES3_autogen.h" |
| |
| #include "common/utilities.h" |
| |
| using namespace angle; |
| |
| namespace gl |
| { |
| using namespace err; |
| |
| namespace |
| { |
| |
| bool ValidateNamedProgramInterface(GLenum programInterface) |
| { |
| switch (programInterface) |
| { |
| case GL_UNIFORM: |
| case GL_UNIFORM_BLOCK: |
| case GL_PROGRAM_INPUT: |
| case GL_PROGRAM_OUTPUT: |
| case GL_TRANSFORM_FEEDBACK_VARYING: |
| case GL_BUFFER_VARIABLE: |
| case GL_SHADER_STORAGE_BLOCK: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool ValidateLocationProgramInterface(GLenum programInterface) |
| { |
| switch (programInterface) |
| { |
| case GL_UNIFORM: |
| case GL_PROGRAM_INPUT: |
| case GL_PROGRAM_OUTPUT: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool ValidateProgramInterface(GLenum programInterface) |
| { |
| return (programInterface == GL_ATOMIC_COUNTER_BUFFER || |
| ValidateNamedProgramInterface(programInterface)); |
| } |
| |
| bool ValidateProgramResourceProperty(const Context *context, GLenum prop) |
| { |
| ASSERT(context); |
| switch (prop) |
| { |
| case GL_ACTIVE_VARIABLES: |
| case GL_BUFFER_BINDING: |
| case GL_NUM_ACTIVE_VARIABLES: |
| |
| case GL_ARRAY_SIZE: |
| |
| case GL_ARRAY_STRIDE: |
| case GL_BLOCK_INDEX: |
| case GL_IS_ROW_MAJOR: |
| case GL_MATRIX_STRIDE: |
| |
| case GL_ATOMIC_COUNTER_BUFFER_INDEX: |
| |
| case GL_BUFFER_DATA_SIZE: |
| |
| case GL_LOCATION: |
| |
| case GL_NAME_LENGTH: |
| |
| case GL_OFFSET: |
| |
| case GL_REFERENCED_BY_VERTEX_SHADER: |
| case GL_REFERENCED_BY_FRAGMENT_SHADER: |
| case GL_REFERENCED_BY_COMPUTE_SHADER: |
| |
| case GL_TOP_LEVEL_ARRAY_SIZE: |
| case GL_TOP_LEVEL_ARRAY_STRIDE: |
| |
| case GL_TYPE: |
| return true; |
| |
| case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT: |
| return context->getExtensions().geometryShader; |
| |
| case GL_LOCATION_INDEX_EXT: |
| return context->getExtensions().blendFuncExtended; |
| |
| default: |
| return false; |
| } |
| } |
| |
| // GLES 3.10 spec: Page 82 -- Table 7.2 |
| bool ValidateProgramResourcePropertyByInterface(GLenum prop, GLenum programInterface) |
| { |
| switch (prop) |
| { |
| case GL_ACTIVE_VARIABLES: |
| case GL_BUFFER_BINDING: |
| case GL_NUM_ACTIVE_VARIABLES: |
| { |
| switch (programInterface) |
| { |
| case GL_ATOMIC_COUNTER_BUFFER: |
| case GL_SHADER_STORAGE_BLOCK: |
| case GL_UNIFORM_BLOCK: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_ARRAY_SIZE: |
| { |
| switch (programInterface) |
| { |
| case GL_BUFFER_VARIABLE: |
| case GL_PROGRAM_INPUT: |
| case GL_PROGRAM_OUTPUT: |
| case GL_TRANSFORM_FEEDBACK_VARYING: |
| case GL_UNIFORM: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_ARRAY_STRIDE: |
| case GL_BLOCK_INDEX: |
| case GL_IS_ROW_MAJOR: |
| case GL_MATRIX_STRIDE: |
| { |
| switch (programInterface) |
| { |
| case GL_BUFFER_VARIABLE: |
| case GL_UNIFORM: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_ATOMIC_COUNTER_BUFFER_INDEX: |
| { |
| if (programInterface == GL_UNIFORM) |
| { |
| return true; |
| } |
| return false; |
| } |
| |
| case GL_BUFFER_DATA_SIZE: |
| { |
| switch (programInterface) |
| { |
| case GL_ATOMIC_COUNTER_BUFFER: |
| case GL_SHADER_STORAGE_BLOCK: |
| case GL_UNIFORM_BLOCK: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_LOCATION: |
| { |
| return ValidateLocationProgramInterface(programInterface); |
| } |
| |
| case GL_LOCATION_INDEX_EXT: |
| { |
| // EXT_blend_func_extended |
| return (programInterface == GL_PROGRAM_OUTPUT); |
| } |
| |
| case GL_NAME_LENGTH: |
| { |
| return ValidateNamedProgramInterface(programInterface); |
| } |
| |
| case GL_OFFSET: |
| { |
| switch (programInterface) |
| { |
| case GL_BUFFER_VARIABLE: |
| case GL_UNIFORM: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_REFERENCED_BY_VERTEX_SHADER: |
| case GL_REFERENCED_BY_FRAGMENT_SHADER: |
| case GL_REFERENCED_BY_COMPUTE_SHADER: |
| case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT: |
| { |
| switch (programInterface) |
| { |
| case GL_ATOMIC_COUNTER_BUFFER: |
| case GL_BUFFER_VARIABLE: |
| case GL_PROGRAM_INPUT: |
| case GL_PROGRAM_OUTPUT: |
| case GL_SHADER_STORAGE_BLOCK: |
| case GL_UNIFORM: |
| case GL_UNIFORM_BLOCK: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| case GL_TOP_LEVEL_ARRAY_SIZE: |
| case GL_TOP_LEVEL_ARRAY_STRIDE: |
| { |
| if (programInterface == GL_BUFFER_VARIABLE) |
| { |
| return true; |
| } |
| return false; |
| } |
| |
| case GL_TYPE: |
| { |
| switch (programInterface) |
| { |
| case GL_BUFFER_VARIABLE: |
| case GL_PROGRAM_INPUT: |
| case GL_PROGRAM_OUTPUT: |
| case GL_TRANSFORM_FEEDBACK_VARYING: |
| case GL_UNIFORM: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| default: |
| return false; |
| } |
| } |
| |
| bool ValidateProgramResourceIndex(const Program *programObject, |
| GLenum programInterface, |
| GLuint index) |
| { |
| switch (programInterface) |
| { |
| case GL_PROGRAM_INPUT: |
| return (index < |
| static_cast<GLuint>(programObject->getState().getProgramInputs().size())); |
| |
| case GL_PROGRAM_OUTPUT: |
| return (index < static_cast<GLuint>(programObject->getOutputResourceCount())); |
| |
| case GL_UNIFORM: |
| return (index < static_cast<GLuint>(programObject->getActiveUniformCount())); |
| |
| case GL_BUFFER_VARIABLE: |
| return (index < static_cast<GLuint>(programObject->getActiveBufferVariableCount())); |
| |
| case GL_SHADER_STORAGE_BLOCK: |
| return (index < static_cast<GLuint>(programObject->getActiveShaderStorageBlockCount())); |
| |
| case GL_UNIFORM_BLOCK: |
| return (index < programObject->getActiveUniformBlockCount()); |
| |
| case GL_ATOMIC_COUNTER_BUFFER: |
| return (index < programObject->getActiveAtomicCounterBufferCount()); |
| |
| case GL_TRANSFORM_FEEDBACK_VARYING: |
| return (index < static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount())); |
| |
| default: |
| UNREACHABLE(); |
| return false; |
| } |
| } |
| |
| bool ValidateProgramUniform(const Context *context, |
| GLenum valueType, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count) |
| { |
| // Check for ES31 program uniform entry points |
| if (context->getClientVersion() < Version(3, 1)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const LinkedUniform *uniform = nullptr; |
| Program *programObject = GetValidProgram(context, program); |
| return ValidateUniformCommonBase(context, programObject, location, count, &uniform) && |
| ValidateUniformValue(context, valueType, uniform->type); |
| } |
| |
| bool ValidateProgramUniformMatrix(const Context *context, |
| GLenum valueType, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose) |
| { |
| // Check for ES31 program uniform entry points |
| if (context->getClientVersion() < Version(3, 1)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const LinkedUniform *uniform = nullptr; |
| Program *programObject = GetValidProgram(context, program); |
| return ValidateUniformCommonBase(context, programObject, location, count, &uniform) && |
| ValidateUniformMatrixValue(context, valueType, uniform->type); |
| } |
| |
| bool ValidateVertexAttribFormatCommon(const Context *context, GLuint relativeOffset) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (relativeOffset > static_cast<GLuint>(caps.maxVertexAttribRelativeOffset)) |
| { |
| context->validationError(GL_INVALID_VALUE, kRelativeOffsetTooLarge); |
| return false; |
| } |
| |
| // [OpenGL ES 3.1] Section 10.3.1 page 243: |
| // An INVALID_OPERATION error is generated if the default vertex array object is bound. |
| if (context->getState().getVertexArrayId().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultVertexArray); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // anonymous namespace |
| |
| bool ValidateGetBooleani_v(const Context *context, |
| GLenum target, |
| GLuint index, |
| const GLboolean *data) |
| { |
| if (context->getClientVersion() < ES_3_1 && !context->getExtensions().drawBuffersIndexedAny()) |
| { |
| context->validationError(GL_INVALID_OPERATION, |
| kES31OrDrawBuffersIndexedExtensionNotAvailable); |
| return false; |
| } |
| |
| if (!ValidateIndexedStateQuery(context, target, index, nullptr)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetBooleani_vRobustANGLE(const Context *context, |
| GLenum target, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLboolean *data) |
| { |
| if (context->getClientVersion() < ES_3_1 && !context->getExtensions().drawBuffersIndexedAny()) |
| { |
| context->validationError(GL_INVALID_OPERATION, |
| kES31OrDrawBuffersIndexedExtensionNotAvailable); |
| 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 ValidateDrawIndirectBase(const Context *context, PrimitiveMode mode, const void *indirect) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| // Here the third parameter 1 is only to pass the count validation. |
| if (!ValidateDrawBase(context, mode)) |
| { |
| return false; |
| } |
| |
| const State &state = context->getState(); |
| |
| // An INVALID_OPERATION error is generated if zero is bound to VERTEX_ARRAY_BINDING, |
| // DRAW_INDIRECT_BUFFER or to any enabled vertex array. |
| if (state.getVertexArrayId().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultVertexArray); |
| return false; |
| } |
| |
| if (context->getStateCache().hasAnyActiveClientAttrib()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kClientDataInVertexArray); |
| return false; |
| } |
| |
| Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect); |
| if (!drawIndirectBuffer) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDrawIndirectBufferNotBound); |
| return false; |
| } |
| |
| // An INVALID_VALUE error is generated if indirect is not a multiple of the size, in basic |
| // machine units, of uint. |
| GLint64 offset = reinterpret_cast<GLint64>(indirect); |
| if ((static_cast<GLuint>(offset) % sizeof(GLuint)) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidIndirectOffset); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDrawArraysIndirect(const Context *context, PrimitiveMode mode, const void *indirect) |
| { |
| const State &state = context->getState(); |
| TransformFeedback *curTransformFeedback = state.getCurrentTransformFeedback(); |
| if (curTransformFeedback && curTransformFeedback->isActive() && |
| !curTransformFeedback->isPaused()) |
| { |
| // EXT_geometry_shader allows transform feedback to work with all draw commands. |
| // [EXT_geometry_shader] Section 12.1, "Transform Feedback" |
| if (context->getExtensions().geometryShader) |
| { |
| if (!ValidateTransformFeedbackPrimitiveMode( |
| context, curTransformFeedback->getPrimitiveMode(), mode)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidDrawModeTransformFeedback); |
| return false; |
| } |
| } |
| else |
| { |
| // An INVALID_OPERATION error is generated if transform feedback is active and not |
| // paused. |
| context->validationError(GL_INVALID_OPERATION, |
| kUnsupportedDrawModeForTransformFeedback); |
| return false; |
| } |
| } |
| |
| if (!ValidateDrawIndirectBase(context, mode, indirect)) |
| return false; |
| |
| Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect); |
| CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(indirect)); |
| // In OpenGL ES3.1 spec, session 10.5, it defines the struct of DrawArraysIndirectCommand |
| // which's size is 4 * sizeof(uint). |
| auto checkedSum = checkedOffset + 4 * sizeof(GLuint); |
| if (!checkedSum.IsValid() || |
| checkedSum.ValueOrDie() > static_cast<size_t>(drawIndirectBuffer->getSize())) |
| { |
| context->validationError(GL_INVALID_OPERATION, kParamOverflow); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDrawElementsIndirect(const Context *context, |
| PrimitiveMode mode, |
| DrawElementsType type, |
| const void *indirect) |
| { |
| if (!ValidateDrawElementsBase(context, mode, type)) |
| { |
| return false; |
| } |
| |
| const State &state = context->getState(); |
| const VertexArray *vao = state.getVertexArray(); |
| Buffer *elementArrayBuffer = vao->getElementArrayBuffer(); |
| if (!elementArrayBuffer) |
| { |
| context->validationError(GL_INVALID_OPERATION, kMustHaveElementArrayBinding); |
| return false; |
| } |
| |
| if (!ValidateDrawIndirectBase(context, mode, indirect)) |
| return false; |
| |
| Buffer *drawIndirectBuffer = state.getTargetBuffer(BufferBinding::DrawIndirect); |
| CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(indirect)); |
| // In OpenGL ES3.1 spec, session 10.5, it defines the struct of DrawElementsIndirectCommand |
| // which's size is 5 * sizeof(uint). |
| auto checkedSum = checkedOffset + 5 * sizeof(GLuint); |
| if (!checkedSum.IsValid() || |
| checkedSum.ValueOrDie() > static_cast<size_t>(drawIndirectBuffer->getSize())) |
| { |
| context->validationError(GL_INVALID_OPERATION, kParamOverflow); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateProgramUniform1i(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLint v0) |
| { |
| return ValidateProgramUniform1iv(context, program, location, 1, &v0); |
| } |
| |
| bool ValidateProgramUniform2i(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLint v0, |
| GLint v1) |
| { |
| GLint xy[2] = {v0, v1}; |
| return ValidateProgramUniform2iv(context, program, location, 1, xy); |
| } |
| |
| bool ValidateProgramUniform3i(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLint v0, |
| GLint v1, |
| GLint v2) |
| { |
| GLint xyz[3] = {v0, v1, v2}; |
| return ValidateProgramUniform3iv(context, program, location, 1, xyz); |
| } |
| |
| bool ValidateProgramUniform4i(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLint v0, |
| GLint v1, |
| GLint v2, |
| GLint v3) |
| { |
| GLint xyzw[4] = {v0, v1, v2, v3}; |
| return ValidateProgramUniform4iv(context, program, location, 1, xyzw); |
| } |
| |
| bool ValidateProgramUniform1ui(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLuint v0) |
| { |
| return ValidateProgramUniform1uiv(context, program, location, 1, &v0); |
| } |
| |
| bool ValidateProgramUniform2ui(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLuint v0, |
| GLuint v1) |
| { |
| GLuint xy[2] = {v0, v1}; |
| return ValidateProgramUniform2uiv(context, program, location, 1, xy); |
| } |
| |
| bool ValidateProgramUniform3ui(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLuint v0, |
| GLuint v1, |
| GLuint v2) |
| { |
| GLuint xyz[3] = {v0, v1, v2}; |
| return ValidateProgramUniform3uiv(context, program, location, 1, xyz); |
| } |
| |
| bool ValidateProgramUniform4ui(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLuint v0, |
| GLuint v1, |
| GLuint v2, |
| GLuint v3) |
| { |
| GLuint xyzw[4] = {v0, v1, v2, v3}; |
| return ValidateProgramUniform4uiv(context, program, location, 1, xyzw); |
| } |
| |
| bool ValidateProgramUniform1f(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLfloat v0) |
| { |
| return ValidateProgramUniform1fv(context, program, location, 1, &v0); |
| } |
| |
| bool ValidateProgramUniform2f(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLfloat v0, |
| GLfloat v1) |
| { |
| GLfloat xy[2] = {v0, v1}; |
| return ValidateProgramUniform2fv(context, program, location, 1, xy); |
| } |
| |
| bool ValidateProgramUniform3f(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLfloat v0, |
| GLfloat v1, |
| GLfloat v2) |
| { |
| GLfloat xyz[3] = {v0, v1, v2}; |
| return ValidateProgramUniform3fv(context, program, location, 1, xyz); |
| } |
| |
| bool ValidateProgramUniform4f(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLfloat v0, |
| GLfloat v1, |
| GLfloat v2, |
| GLfloat v3) |
| { |
| GLfloat xyzw[4] = {v0, v1, v2, v3}; |
| return ValidateProgramUniform4fv(context, program, location, 1, xyzw); |
| } |
| |
| bool ValidateProgramUniform1iv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLint *value) |
| { |
| // Check for ES31 program uniform entry points |
| if (context->getClientVersion() < Version(3, 1)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const LinkedUniform *uniform = nullptr; |
| Program *programObject = GetValidProgram(context, program); |
| return ValidateUniformCommonBase(context, programObject, location, count, &uniform) && |
| ValidateUniform1ivValue(context, uniform->type, count, value); |
| } |
| |
| bool ValidateProgramUniform2iv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLint *value) |
| { |
| return ValidateProgramUniform(context, GL_INT_VEC2, program, location, count); |
| } |
| |
| bool ValidateProgramUniform3iv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLint *value) |
| { |
| return ValidateProgramUniform(context, GL_INT_VEC3, program, location, count); |
| } |
| |
| bool ValidateProgramUniform4iv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLint *value) |
| { |
| return ValidateProgramUniform(context, GL_INT_VEC4, program, location, count); |
| } |
| |
| bool ValidateProgramUniform1uiv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateProgramUniform(context, GL_UNSIGNED_INT, program, location, count); |
| } |
| |
| bool ValidateProgramUniform2uiv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateProgramUniform(context, GL_UNSIGNED_INT_VEC2, program, location, count); |
| } |
| |
| bool ValidateProgramUniform3uiv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateProgramUniform(context, GL_UNSIGNED_INT_VEC3, program, location, count); |
| } |
| |
| bool ValidateProgramUniform4uiv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLuint *value) |
| { |
| return ValidateProgramUniform(context, GL_UNSIGNED_INT_VEC4, program, location, count); |
| } |
| |
| bool ValidateProgramUniform1fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniform(context, GL_FLOAT, program, location, count); |
| } |
| |
| bool ValidateProgramUniform2fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniform(context, GL_FLOAT_VEC2, program, location, count); |
| } |
| |
| bool ValidateProgramUniform3fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniform(context, GL_FLOAT_VEC3, program, location, count); |
| } |
| |
| bool ValidateProgramUniform4fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniform(context, GL_FLOAT_VEC4, program, location, count); |
| } |
| |
| bool ValidateProgramUniformMatrix2fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT2, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix3fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT3, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix4fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT4, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix2x3fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT2x3, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix3x2fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT3x2, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix2x4fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT2x4, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix4x2fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT4x2, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix3x4fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT3x4, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateProgramUniformMatrix4x3fv(const Context *context, |
| ShaderProgramID program, |
| UniformLocation location, |
| GLsizei count, |
| GLboolean transpose, |
| const GLfloat *value) |
| { |
| return ValidateProgramUniformMatrix(context, GL_FLOAT_MAT4x3, program, location, count, |
| transpose); |
| } |
| |
| bool ValidateGetTexLevelParameterfv(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| const GLfloat *params) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateGetTexLevelParameterBase(context, target, level, pname, nullptr); |
| } |
| |
| bool ValidateGetTexLevelParameterfvRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLfloat *params) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateGetTexLevelParameteriv(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateGetTexLevelParameterBase(context, target, level, pname, nullptr); |
| } |
| |
| bool ValidateGetTexLevelParameterivRobustANGLE(const Context *context, |
| TextureTarget target, |
| GLint level, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *params) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateTexStorage2DMultisample(const Context *context, |
| TextureType target, |
| GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, |
| GLsizei height, |
| GLboolean fixedSampleLocations) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateTexStorage2DMultisampleBase(context, target, samples, internalFormat, width, |
| height); |
| } |
| |
| bool ValidateTexStorageMem2DMultisampleEXT(const Context *context, |
| TextureType target, |
| GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, |
| GLsizei height, |
| GLboolean fixedSampleLocations, |
| MemoryObjectID memory, |
| GLuint64 offset) |
| { |
| if (!context->getExtensions().memoryObject) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateGetMultisamplefv(const Context *context, |
| GLenum pname, |
| GLuint index, |
| const GLfloat *val) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateGetMultisamplefvBase(context, pname, index, val); |
| } |
| |
| bool ValidateGetMultisamplefvRobustANGLE(const Context *context, |
| GLenum pname, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLfloat *val) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateFramebufferParameteri(const Context *context, GLenum target, GLenum pname, GLint param) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (!ValidFramebufferTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFramebufferTarget); |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_FRAMEBUFFER_DEFAULT_WIDTH: |
| { |
| GLint maxWidth = context->getCaps().maxFramebufferWidth; |
| if (param < 0 || param > maxWidth) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsFramebufferWidth); |
| return false; |
| } |
| break; |
| } |
| case GL_FRAMEBUFFER_DEFAULT_HEIGHT: |
| { |
| GLint maxHeight = context->getCaps().maxFramebufferHeight; |
| if (param < 0 || param > maxHeight) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsFramebufferHeight); |
| return false; |
| } |
| break; |
| } |
| case GL_FRAMEBUFFER_DEFAULT_SAMPLES: |
| { |
| GLint maxSamples = context->getCaps().maxFramebufferSamples; |
| if (param < 0 || param > maxSamples) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsFramebufferSamples); |
| return false; |
| } |
| break; |
| } |
| case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS: |
| { |
| break; |
| } |
| case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT: |
| { |
| if (!context->getExtensions().geometryShader) |
| { |
| context->validationError(GL_INVALID_ENUM, kGeometryShaderExtensionNotEnabled); |
| return false; |
| } |
| GLint maxLayers = context->getCaps().maxFramebufferLayers; |
| if (param < 0 || param > maxLayers) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidFramebufferLayer); |
| return false; |
| } |
| break; |
| } |
| default: |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| } |
| |
| const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); |
| ASSERT(framebuffer); |
| if (framebuffer->isDefault()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultFramebuffer); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateGetFramebufferParameteriv(const Context *context, |
| GLenum target, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (!ValidFramebufferTarget(context, target)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidFramebufferTarget); |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_FRAMEBUFFER_DEFAULT_WIDTH: |
| case GL_FRAMEBUFFER_DEFAULT_HEIGHT: |
| case GL_FRAMEBUFFER_DEFAULT_SAMPLES: |
| case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS: |
| break; |
| case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT: |
| if (!context->getExtensions().geometryShader) |
| { |
| context->validationError(GL_INVALID_ENUM, kGeometryShaderExtensionNotEnabled); |
| return false; |
| } |
| break; |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| const Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); |
| ASSERT(framebuffer); |
| |
| if (framebuffer->isDefault()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultFramebuffer); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateGetFramebufferParameterivRobustANGLE(const Context *context, |
| GLenum target, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *params) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateGetProgramResourceIndex(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| const GLchar *name) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (programObject == nullptr) |
| { |
| return false; |
| } |
| |
| if (!ValidateNamedProgramInterface(programInterface)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramInterface); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBindVertexBuffer(const Context *context, |
| GLuint bindingIndex, |
| BufferID buffer, |
| GLintptr offset, |
| GLsizei stride) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (!context->isBufferGenerated(buffer)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kObjectNotGenerated); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); |
| return false; |
| } |
| |
| if (offset < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if (stride < 0 || stride > caps.maxVertexAttribStride) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribStride); |
| return false; |
| } |
| |
| // [OpenGL ES 3.1] Section 10.3.1 page 244: |
| // An INVALID_OPERATION error is generated if the default vertex array object is bound. |
| if (context->getState().getVertexArrayId().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultVertexArray); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateVertexBindingDivisor(const Context *context, GLuint bindingIndex, GLuint divisor) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); |
| return false; |
| } |
| |
| // [OpenGL ES 3.1] Section 10.3.1 page 243: |
| // An INVALID_OPERATION error is generated if the default vertex array object is bound. |
| if (context->getState().getVertexArrayId().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultVertexArray); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateVertexAttribFormat(const Context *context, |
| GLuint attribindex, |
| GLint size, |
| VertexAttribType type, |
| GLboolean normalized, |
| GLuint relativeoffset) |
| { |
| if (!ValidateVertexAttribFormatCommon(context, relativeoffset)) |
| { |
| return false; |
| } |
| |
| return ValidateFloatVertexFormat(context, attribindex, size, type); |
| } |
| |
| bool ValidateVertexAttribIFormat(const Context *context, |
| GLuint attribindex, |
| GLint size, |
| VertexAttribType type, |
| GLuint relativeoffset) |
| { |
| if (!ValidateVertexAttribFormatCommon(context, relativeoffset)) |
| { |
| return false; |
| } |
| |
| return ValidateIntegerVertexFormat(context, attribindex, size, type); |
| } |
| |
| bool ValidateVertexAttribBinding(const Context *context, GLuint attribIndex, GLuint bindingIndex) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| // [OpenGL ES 3.1] Section 10.3.1 page 243: |
| // An INVALID_OPERATION error is generated if the default vertex array object is bound. |
| if (context->getState().getVertexArrayId().value == 0) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDefaultVertexArray); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (attribIndex >= static_cast<GLuint>(caps.maxVertexAttributes)) |
| { |
| context->validationError(GL_INVALID_VALUE, kIndexExceedsMaxVertexAttribute); |
| return false; |
| } |
| |
| if (bindingIndex >= static_cast<GLuint>(caps.maxVertexAttribBindings)) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetProgramResourceName(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| GLuint index, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLchar *name) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (programObject == nullptr) |
| { |
| return false; |
| } |
| |
| if (!ValidateNamedProgramInterface(programInterface)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramInterface); |
| return false; |
| } |
| |
| if (!ValidateProgramResourceIndex(programObject, programInterface, index)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidProgramResourceIndex); |
| return false; |
| } |
| |
| if (bufSize < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBufferSize); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDispatchCompute(const Context *context, |
| GLuint numGroupsX, |
| GLuint numGroupsY, |
| GLuint numGroupsZ) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const State &state = context->getState(); |
| const ProgramExecutable *executable = state.getProgramExecutable(); |
| |
| if (executable == nullptr || !executable->hasLinkedShaderStage(ShaderType::Compute)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kNoActiveProgramWithComputeShader); |
| return false; |
| } |
| |
| const Caps &caps = context->getCaps(); |
| if (numGroupsX > static_cast<GLuint>(caps.maxComputeWorkGroupCount[0])) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsComputeWorkGroupCountX); |
| return false; |
| } |
| if (numGroupsY > static_cast<GLuint>(caps.maxComputeWorkGroupCount[1])) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsComputeWorkGroupCountY); |
| return false; |
| } |
| if (numGroupsZ > static_cast<GLuint>(caps.maxComputeWorkGroupCount[2])) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsComputeWorkGroupCountZ); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateDispatchComputeIndirect(const Context *context, GLintptr indirect) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| const State &state = context->getState(); |
| const ProgramExecutable *executable = state.getProgramExecutable(); |
| |
| if (executable == nullptr || !executable->hasLinkedShaderStage(ShaderType::Compute)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kNoActiveProgramWithComputeShader); |
| return false; |
| } |
| |
| if (indirect < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeOffset); |
| return false; |
| } |
| |
| if ((indirect & (sizeof(GLuint) - 1)) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kOffsetMustBeMultipleOfUint); |
| return false; |
| } |
| |
| Buffer *dispatchIndirectBuffer = state.getTargetBuffer(BufferBinding::DispatchIndirect); |
| if (!dispatchIndirectBuffer) |
| { |
| context->validationError(GL_INVALID_OPERATION, kDispatchIndirectBufferNotBound); |
| return false; |
| } |
| |
| CheckedNumeric<GLuint64> checkedOffset(static_cast<GLuint64>(indirect)); |
| auto checkedSum = checkedOffset + static_cast<GLuint64>(3 * sizeof(GLuint)); |
| if (!checkedSum.IsValid() || |
| checkedSum.ValueOrDie() > static_cast<GLuint64>(dispatchIndirectBuffer->getSize())) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInsufficientBufferSize); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateBindImageTexture(const Context *context, |
| GLuint unit, |
| TextureID texture, |
| GLint level, |
| GLboolean layered, |
| GLint layer, |
| GLenum access, |
| GLenum format) |
| { |
| GLuint maxImageUnits = static_cast<GLuint>(context->getCaps().maxImageUnits); |
| if (unit >= maxImageUnits) |
| { |
| context->validationError(GL_INVALID_VALUE, kExceedsMaxImageUnits); |
| return false; |
| } |
| |
| if (level < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeLevel); |
| return false; |
| } |
| |
| if (layer < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeLayer); |
| return false; |
| } |
| |
| if (access != GL_READ_ONLY && access != GL_WRITE_ONLY && access != GL_READ_WRITE) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidImageAccess); |
| return false; |
| } |
| |
| switch (format) |
| { |
| case GL_RGBA32F: |
| case GL_RGBA16F: |
| case GL_R32F: |
| case GL_RGBA32UI: |
| case GL_RGBA16UI: |
| case GL_RGBA8UI: |
| case GL_R32UI: |
| case GL_RGBA32I: |
| case GL_RGBA16I: |
| case GL_RGBA8I: |
| case GL_R32I: |
| case GL_RGBA8: |
| case GL_RGBA8_SNORM: |
| break; |
| default: |
| context->validationError(GL_INVALID_VALUE, kInvalidImageFormat); |
| return false; |
| } |
| |
| if (texture.value != 0) |
| { |
| Texture *tex = context->getTexture(texture); |
| |
| if (tex == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kMissingTextureName); |
| return false; |
| } |
| |
| if (!tex->getImmutableFormat()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kTextureIsNotImmutable); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetProgramResourceLocation(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| const GLchar *name) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (programObject == nullptr) |
| { |
| return false; |
| } |
| |
| if (!programObject->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| |
| if (!ValidateLocationProgramInterface(programInterface)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramInterface); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ValidateGetProgramResourceiv(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| GLuint index, |
| GLsizei propCount, |
| const GLenum *props, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *params) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (programObject == nullptr) |
| { |
| return false; |
| } |
| if (!ValidateProgramInterface(programInterface)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramInterface); |
| return false; |
| } |
| if (propCount <= 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidPropCount); |
| return false; |
| } |
| if (bufSize < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBufSize); |
| return false; |
| } |
| if (!ValidateProgramResourceIndex(programObject, programInterface, index)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidProgramResourceIndex); |
| return false; |
| } |
| for (GLsizei i = 0; i < propCount; i++) |
| { |
| if (!ValidateProgramResourceProperty(context, props[i])) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramResourceProperty); |
| return false; |
| } |
| if (!ValidateProgramResourcePropertyByInterface(props[i], programInterface)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kInvalidPropertyForProgramInterface); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool ValidateGetProgramInterfaceiv(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| GLenum pname, |
| const GLint *params) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| Program *programObject = GetValidProgram(context, program); |
| if (programObject == nullptr) |
| { |
| return false; |
| } |
| |
| if (!ValidateProgramInterface(programInterface)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidProgramInterface); |
| return false; |
| } |
| |
| switch (pname) |
| { |
| case GL_ACTIVE_RESOURCES: |
| case GL_MAX_NAME_LENGTH: |
| case GL_MAX_NUM_ACTIVE_VARIABLES: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| if (pname == GL_MAX_NAME_LENGTH && programInterface == GL_ATOMIC_COUNTER_BUFFER) |
| { |
| context->validationError(GL_INVALID_OPERATION, kAtomicCounterResourceName); |
| return false; |
| } |
| |
| if (pname == GL_MAX_NUM_ACTIVE_VARIABLES) |
| { |
| switch (programInterface) |
| { |
| case GL_ATOMIC_COUNTER_BUFFER: |
| case GL_SHADER_STORAGE_BLOCK: |
| case GL_UNIFORM_BLOCK: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_OPERATION, kMaxActiveVariablesInterface); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetProgramInterfaceivRobustANGLE(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| GLenum pname, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLint *params) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| static bool ValidateGenOrDeleteES31(const Context *context, GLint n) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateGenOrDelete(context, n); |
| } |
| |
| bool ValidateGenProgramPipelines(const Context *context, |
| GLsizei n, |
| const ProgramPipelineID *pipelines) |
| { |
| return ValidateGenOrDeleteES31(context, n); |
| } |
| |
| bool ValidateDeleteProgramPipelines(const Context *context, |
| GLsizei n, |
| const ProgramPipelineID *pipelines) |
| { |
| return ValidateGenOrDeleteES31(context, n); |
| } |
| |
| bool ValidateBindProgramPipeline(const Context *context, ProgramPipelineID pipeline) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (!context->isProgramPipelineGenerated({pipeline})) |
| { |
| context->validationError(GL_INVALID_OPERATION, kObjectNotGenerated); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateIsProgramPipeline(const Context *context, ProgramPipelineID pipeline) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateUseProgramStages(const Context *context, |
| ProgramPipelineID pipeline, |
| GLbitfield stages, |
| ShaderProgramID programId) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| // GL_INVALID_VALUE is generated if shaders contains set bits that are not recognized, and is |
| // not the reserved value GL_ALL_SHADER_BITS. |
| const GLbitfield knownShaderBits = |
| GL_VERTEX_SHADER_BIT | GL_FRAGMENT_SHADER_BIT | GL_COMPUTE_SHADER_BIT; |
| if ((stages & ~knownShaderBits) && (stages != GL_ALL_SHADER_BITS)) |
| { |
| context->validationError(GL_INVALID_VALUE, kUnrecognizedShaderStageBit); |
| return false; |
| } |
| |
| // GL_INVALID_OPERATION is generated if pipeline is not a name previously returned from a call |
| // to glGenProgramPipelines or if such a name has been deleted by a call to |
| // glDeleteProgramPipelines. |
| if (!context->isProgramPipelineGenerated({pipeline})) |
| { |
| context->validationError(GL_INVALID_OPERATION, kObjectNotGenerated); |
| return false; |
| } |
| |
| // If program is zero, or refers to a program object with no valid shader executable for a given |
| // stage, it is as if the pipeline object has no programmable stage configured for the indicated |
| // shader stages. |
| if (programId.value == 0) |
| { |
| return true; |
| } |
| |
| Program *program = context->getProgramNoResolveLink(programId); |
| if (!program) |
| { |
| context->validationError(GL_INVALID_VALUE, kProgramDoesNotExist); |
| return false; |
| } |
| |
| // GL_INVALID_OPERATION is generated if program refers to a program object that was not linked |
| // with its GL_PROGRAM_SEPARABLE status set. |
| // resolveLink() may not have been called if glCreateShaderProgramv() was not used and |
| // glDetachShader() was not called. |
| program->resolveLink(context); |
| if (!program->isSeparable()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotSeparable); |
| return false; |
| } |
| |
| // GL_INVALID_OPERATION is generated if program refers to a program object that has not been |
| // successfully linked. |
| if (!program->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateActiveShaderProgram(const Context *context, |
| ProgramPipelineID pipeline, |
| ShaderProgramID programId) |
| { |
| // An INVALID_OPERATION error is generated if pipeline is not a name returned from a previous |
| // call to GenProgramPipelines or if such a name has since been deleted by |
| // DeleteProgramPipelines. |
| if (!context->isProgramPipelineGenerated({pipeline})) |
| { |
| context->validationError(GL_INVALID_OPERATION, kObjectNotGenerated); |
| return false; |
| } |
| |
| // An INVALID_VALUE error is generated if program is not zero and is not the name of either a |
| // program or shader object. |
| if ((programId.value != 0) && !context->isProgram(programId) && !context->isShader(programId)) |
| { |
| context->validationError(GL_INVALID_VALUE, kProgramDoesNotExist); |
| return false; |
| } |
| |
| // An INVALID_OPERATION error is generated if program is the name of a shader object. |
| if (context->isShader(programId)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExpectedProgramName); |
| return false; |
| } |
| |
| // An INVALID_OPERATION error is generated if program is not zero and has not been linked, or |
| // was last linked unsuccessfully. The active program is not modified. |
| Program *program = context->getProgramNoResolveLink(programId); |
| if ((programId.value != 0) && !program->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateCreateShaderProgramv(const Context *context, |
| ShaderType type, |
| GLsizei count, |
| const GLchar *const *strings) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| // GL_INVALID_ENUM is generated if type is not an accepted shader type. |
| if ((type != ShaderType::Vertex) && (type != ShaderType::Fragment) && |
| (type != ShaderType::Compute)) |
| { |
| context->validationError(GL_INVALID_ENUM, kInvalidShaderType); |
| return false; |
| } |
| |
| // GL_INVALID_VALUE is generated if count is negative. |
| if (count < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeCount); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetProgramPipelineiv(const Context *context, |
| ProgramPipelineID pipeline, |
| GLenum pname, |
| const GLint *params) |
| { |
| // An INVALID_OPERATION error is generated if pipeline is not a name returned from a previous |
| // call to GenProgramPipelines or if such a name has since been deleted by |
| // DeleteProgramPipelines. |
| if ((pipeline.value == 0) || (!context->isProgramPipelineGenerated(pipeline))) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramPipelineDoesNotExist); |
| return false; |
| } |
| |
| // An INVALID_ENUM error is generated if pname is not ACTIVE_PROGRAM, |
| // INFO_LOG_LENGTH, VALIDATE_STATUS, or one of the type arguments in |
| // table 7.1. |
| switch (pname) |
| { |
| case GL_ACTIVE_PROGRAM: |
| case GL_INFO_LOG_LENGTH: |
| case GL_VALIDATE_STATUS: |
| case GL_VERTEX_SHADER: |
| case GL_FRAGMENT_SHADER: |
| case GL_COMPUTE_SHADER: |
| break; |
| |
| default: |
| context->validationError(GL_INVALID_ENUM, kInvalidPname); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateValidateProgramPipeline(const Context *context, ProgramPipelineID pipeline) |
| { |
| if (pipeline.value == 0) |
| { |
| return false; |
| } |
| |
| if (!context->isProgramPipelineGenerated(pipeline)) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramPipelineDoesNotExist); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateGetProgramPipelineInfoLog(const Context *context, |
| ProgramPipelineID pipeline, |
| GLsizei bufSize, |
| const GLsizei *length, |
| const GLchar *infoLog) |
| { |
| if (bufSize < 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeBufferSize); |
| return false; |
| } |
| |
| if (!context->isProgramPipelineGenerated(pipeline)) |
| { |
| context->validationError(GL_INVALID_VALUE, kProgramPipelineDoesNotExist); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateMemoryBarrier(const Context *context, GLbitfield barriers) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (barriers == GL_ALL_BARRIER_BITS) |
| { |
| return true; |
| } |
| |
| GLbitfield supported_barrier_bits = |
| GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT | GL_ELEMENT_ARRAY_BARRIER_BIT | GL_UNIFORM_BARRIER_BIT | |
| GL_TEXTURE_FETCH_BARRIER_BIT | GL_SHADER_IMAGE_ACCESS_BARRIER_BIT | GL_COMMAND_BARRIER_BIT | |
| GL_PIXEL_BUFFER_BARRIER_BIT | GL_TEXTURE_UPDATE_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT | |
| GL_FRAMEBUFFER_BARRIER_BIT | GL_TRANSFORM_FEEDBACK_BARRIER_BIT | |
| GL_ATOMIC_COUNTER_BARRIER_BIT | GL_SHADER_STORAGE_BARRIER_BIT; |
| if (barriers == 0 || (barriers & ~supported_barrier_bits) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidMemoryBarrierBit); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateMemoryBarrierByRegion(const Context *context, GLbitfield barriers) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| if (barriers == GL_ALL_BARRIER_BITS) |
| { |
| return true; |
| } |
| |
| GLbitfield supported_barrier_bits = GL_ATOMIC_COUNTER_BARRIER_BIT | GL_FRAMEBUFFER_BARRIER_BIT | |
| GL_SHADER_IMAGE_ACCESS_BARRIER_BIT | |
| GL_SHADER_STORAGE_BARRIER_BIT | |
| GL_TEXTURE_FETCH_BARRIER_BIT | GL_UNIFORM_BARRIER_BIT; |
| if (barriers == 0 || (barriers & ~supported_barrier_bits) != 0) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidMemoryBarrierBit); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool ValidateSampleMaski(const Context *context, GLuint maskNumber, GLbitfield mask) |
| { |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| |
| return ValidateSampleMaskiBase(context, maskNumber, mask); |
| } |
| |
| bool ValidateFramebufferTextureEXT(const Context *context, |
| GLenum target, |
| GLenum attachment, |
| TextureID texture, |
| GLint level) |
| { |
| if (!context->getExtensions().geometryShader) |
| { |
| context->validationError(GL_INVALID_OPERATION, kGeometryShaderExtensionNotEnabled); |
| return false; |
| } |
| |
| if (texture.value != 0) |
| { |
| Texture *tex = context->getTexture(texture); |
| |
| // [EXT_geometry_shader] Section 9.2.8 "Attaching Texture Images to a Framebuffer" |
| // An INVALID_VALUE error is generated if <texture> is not the name of a texture object. |
| // We put this validation before ValidateFramebufferTextureBase because it is an |
| // INVALID_OPERATION error for both FramebufferTexture2D and FramebufferTextureLayer: |
| // [OpenGL ES 3.1] Chapter 9.2.8 (FramebufferTexture2D) |
| // An INVALID_OPERATION error is generated if texture is not zero, and does not name an |
| // existing texture object of type matching textarget. |
| // [OpenGL ES 3.1 Chapter 9.2.8 (FramebufferTextureLayer) |
| // An INVALID_OPERATION error is generated if texture is non-zero and is not the name of a |
| // three-dimensional or two-dimensional array texture. |
| if (tex == nullptr) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidTextureName); |
| return false; |
| } |
| |
| if (!ValidMipLevel(context, tex->getType(), level)) |
| { |
| context->validationError(GL_INVALID_VALUE, kInvalidMipLevel); |
| return false; |
| } |
| } |
| |
| if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // GL_OES_texture_storage_multisample_2d_array |
| bool ValidateTexStorage3DMultisampleOES(const Context *context, |
| TextureType target, |
| GLsizei samples, |
| GLenum sizedinternalformat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLboolean fixedsamplelocations) |
| { |
| if (!context->getExtensions().textureStorageMultisample2DArrayOES) |
| { |
| context->validationError(GL_INVALID_ENUM, kMultisampleArrayExtensionRequired); |
| return false; |
| } |
| |
| if (target != TextureType::_2DMultisampleArray) |
| { |
| context->validationError(GL_INVALID_ENUM, kTargetMustBeTexture2DMultisampleArrayOES); |
| return false; |
| } |
| |
| if (width < 1 || height < 1 || depth < 1) |
| { |
| context->validationError(GL_INVALID_VALUE, kNegativeSize); |
| return false; |
| } |
| |
| return ValidateTexStorageMultisample(context, target, samples, sizedinternalformat, width, |
| height); |
| } |
| |
| bool ValidateTexStorageMem3DMultisampleEXT(const Context *context, |
| TextureType target, |
| GLsizei samples, |
| GLenum internalFormat, |
| GLsizei width, |
| GLsizei height, |
| GLsizei depth, |
| GLboolean fixedSampleLocations, |
| MemoryObjectID memory, |
| GLuint64 offset) |
| { |
| if (!context->getExtensions().memoryObject) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool ValidateGetProgramResourceLocationIndexEXT(const Context *context, |
| ShaderProgramID program, |
| GLenum programInterface, |
| const char *name) |
| { |
| if (!context->getExtensions().blendFuncExtended) |
| { |
| context->validationError(GL_INVALID_OPERATION, kExtensionNotEnabled); |
| return false; |
| } |
| if (context->getClientVersion() < ES_3_1) |
| { |
| context->validationError(GL_INVALID_OPERATION, kES31Required); |
| return false; |
| } |
| if (programInterface != GL_PROGRAM_OUTPUT) |
| { |
| context->validationError(GL_INVALID_ENUM, kProgramInterfaceMustBeProgramOutput); |
| return false; |
| } |
| Program *programObject = GetValidProgram(context, program); |
| if (!programObject) |
| { |
| return false; |
| } |
| if (!programObject->isLinked()) |
| { |
| context->validationError(GL_INVALID_OPERATION, kProgramNotLinked); |
| return false; |
| } |
| return true; |
| } |
| |
| } // namespace gl |
