| // |
| // Copyright 2015 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. |
| // |
| |
| // StateManagerGL.h: Defines a class for caching applied OpenGL state |
| |
| #include "libANGLE/renderer/gl/StateManagerGL.h" |
| |
| #include <string.h> |
| #include <algorithm> |
| #include <limits> |
| |
| #include "anglebase/numerics/safe_conversions.h" |
| #include "common/bitset_utils.h" |
| #include "common/mathutil.h" |
| #include "common/matrix_utils.h" |
| #include "libANGLE/Context.h" |
| #include "libANGLE/Framebuffer.h" |
| #include "libANGLE/Query.h" |
| #include "libANGLE/TransformFeedback.h" |
| #include "libANGLE/VertexArray.h" |
| #include "libANGLE/renderer/gl/BufferGL.h" |
| #include "libANGLE/renderer/gl/FramebufferGL.h" |
| #include "libANGLE/renderer/gl/FunctionsGL.h" |
| #include "libANGLE/renderer/gl/ProgramGL.h" |
| #include "libANGLE/renderer/gl/QueryGL.h" |
| #include "libANGLE/renderer/gl/SamplerGL.h" |
| #include "libANGLE/renderer/gl/TextureGL.h" |
| #include "libANGLE/renderer/gl/TransformFeedbackGL.h" |
| #include "libANGLE/renderer/gl/VertexArrayGL.h" |
| |
| namespace rx |
| { |
| |
| namespace |
| { |
| |
| static void ValidateStateHelper(const FunctionsGL *functions, |
| const GLuint localValue, |
| const GLenum pname, |
| const char *localName, |
| const char *driverName) |
| { |
| GLint queryValue; |
| functions->getIntegerv(pname, &queryValue); |
| if (localValue != static_cast<GLuint>(queryValue)) |
| { |
| WARN() << localName << " (" << localValue << ") != " << driverName << " (" << queryValue |
| << ")"; |
| // Re-add ASSERT: http://anglebug.com/3900 |
| // ASSERT(false); |
| } |
| } |
| |
| } // anonymous namespace |
| |
| StateManagerGL::IndexedBufferBinding::IndexedBufferBinding() : offset(0), size(0), buffer(0) {} |
| |
| StateManagerGL::StateManagerGL(const FunctionsGL *functions, |
| const gl::Caps &rendererCaps, |
| const gl::Extensions &extensions, |
| const angle::FeaturesGL &features) |
| : mFunctions(functions), |
| mFeatures(features), |
| mProgram(0), |
| mVAO(0), |
| mVertexAttribCurrentValues(rendererCaps.maxVertexAttributes), |
| mBuffers(), |
| mIndexedBuffers(), |
| mTextureUnitIndex(0), |
| mTextures{}, |
| mSamplers{}, |
| mImages(rendererCaps.maxImageUnits, ImageUnitBinding()), |
| mTransformFeedback(0), |
| mCurrentTransformFeedback(nullptr), |
| mQueries(), |
| mPrevDrawContext(0), |
| mUnpackAlignment(4), |
| mUnpackRowLength(0), |
| mUnpackSkipRows(0), |
| mUnpackSkipPixels(0), |
| mUnpackImageHeight(0), |
| mUnpackSkipImages(0), |
| mPackAlignment(4), |
| mPackRowLength(0), |
| mPackSkipRows(0), |
| mPackSkipPixels(0), |
| mFramebuffers(angle::FramebufferBindingSingletonMax, 0), |
| mRenderbuffer(0), |
| mScissorTestEnabled(false), |
| mScissor(0, 0, 0, 0), |
| mViewport(0, 0, 0, 0), |
| mNear(0.0f), |
| mFar(1.0f), |
| mBlendEnabled(false), |
| mBlendColor(0, 0, 0, 0), |
| mSourceBlendRGB(GL_ONE), |
| mDestBlendRGB(GL_ZERO), |
| mSourceBlendAlpha(GL_ONE), |
| mDestBlendAlpha(GL_ZERO), |
| mBlendEquationRGB(GL_FUNC_ADD), |
| mBlendEquationAlpha(GL_FUNC_ADD), |
| mColorMaskRed(true), |
| mColorMaskGreen(true), |
| mColorMaskBlue(true), |
| mColorMaskAlpha(true), |
| mSampleAlphaToCoverageEnabled(false), |
| mSampleCoverageEnabled(false), |
| mSampleCoverageValue(1.0f), |
| mSampleCoverageInvert(false), |
| mSampleMaskEnabled(false), |
| mDepthTestEnabled(false), |
| mDepthFunc(GL_LESS), |
| mDepthMask(true), |
| mStencilTestEnabled(false), |
| mStencilFrontFunc(GL_ALWAYS), |
| mStencilFrontRef(0), |
| mStencilFrontValueMask(static_cast<GLuint>(-1)), |
| mStencilFrontStencilFailOp(GL_KEEP), |
| mStencilFrontStencilPassDepthFailOp(GL_KEEP), |
| mStencilFrontStencilPassDepthPassOp(GL_KEEP), |
| mStencilFrontWritemask(static_cast<GLuint>(-1)), |
| mStencilBackFunc(GL_ALWAYS), |
| mStencilBackRef(0), |
| mStencilBackValueMask(static_cast<GLuint>(-1)), |
| mStencilBackStencilFailOp(GL_KEEP), |
| mStencilBackStencilPassDepthFailOp(GL_KEEP), |
| mStencilBackStencilPassDepthPassOp(GL_KEEP), |
| mStencilBackWritemask(static_cast<GLuint>(-1)), |
| mCullFaceEnabled(false), |
| mCullFace(gl::CullFaceMode::Back), |
| mFrontFace(GL_CCW), |
| mPolygonOffsetFillEnabled(false), |
| mPolygonOffsetFactor(0.0f), |
| mPolygonOffsetUnits(0.0f), |
| mRasterizerDiscardEnabled(false), |
| mLineWidth(1.0f), |
| mPrimitiveRestartEnabled(false), |
| mClearColor(0.0f, 0.0f, 0.0f, 0.0f), |
| mClearDepth(1.0f), |
| mClearStencil(0), |
| mFramebufferSRGBEnabled(false), |
| mDitherEnabled(true), |
| mTextureCubemapSeamlessEnabled(false), |
| mMultisamplingEnabled(true), |
| mSampleAlphaToOneEnabled(false), |
| mCoverageModulation(GL_NONE), |
| mPathStencilFunc(GL_ALWAYS), |
| mPathStencilRef(0), |
| mPathStencilMask(std::numeric_limits<GLuint>::max()), |
| mIsMultiviewEnabled(extensions.multiview || extensions.multiview2), |
| mProvokingVertex(GL_LAST_VERTEX_CONVENTION), |
| mLocalDirtyBits() |
| { |
| ASSERT(mFunctions); |
| ASSERT(extensions.maxViews >= 1u); |
| |
| mIndexedBuffers[gl::BufferBinding::Uniform].resize(rendererCaps.maxUniformBufferBindings); |
| mIndexedBuffers[gl::BufferBinding::AtomicCounter].resize( |
| rendererCaps.maxAtomicCounterBufferBindings); |
| mIndexedBuffers[gl::BufferBinding::ShaderStorage].resize( |
| rendererCaps.maxShaderStorageBufferBindings); |
| |
| mSampleMaskValues.fill(~GLbitfield(0)); |
| |
| mQueries.fill(nullptr); |
| mTemporaryPausedQueries.fill(nullptr); |
| |
| // Initialize point sprite state for desktop GL |
| if (mFunctions->standard == STANDARD_GL_DESKTOP) |
| { |
| mFunctions->enable(GL_PROGRAM_POINT_SIZE); |
| |
| // GL_POINT_SPRITE was deprecated in the core profile. Point rasterization is always |
| // performed |
| // as though POINT_SPRITE were enabled. |
| if ((mFunctions->profile & GL_CONTEXT_CORE_PROFILE_BIT) == 0) |
| { |
| mFunctions->enable(GL_POINT_SPRITE); |
| } |
| } |
| |
| angle::Matrix<GLfloat>::setToIdentity(mPathMatrixProj); |
| angle::Matrix<GLfloat>::setToIdentity(mPathMatrixMV); |
| } |
| |
| StateManagerGL::~StateManagerGL() {} |
| |
| void StateManagerGL::deleteProgram(GLuint program) |
| { |
| if (program != 0) |
| { |
| if (mProgram == program) |
| { |
| useProgram(0); |
| } |
| |
| mFunctions->deleteProgram(program); |
| } |
| } |
| |
| void StateManagerGL::deleteVertexArray(GLuint vao) |
| { |
| if (vao != 0) |
| { |
| if (mVAO == vao) |
| { |
| bindVertexArray(0, 0); |
| } |
| |
| mFunctions->deleteVertexArrays(1, &vao); |
| } |
| } |
| |
| void StateManagerGL::deleteTexture(GLuint texture) |
| { |
| if (texture != 0) |
| { |
| for (gl::TextureType type : angle::AllEnums<gl::TextureType>()) |
| { |
| const auto &textureVector = mTextures[type]; |
| for (size_t textureUnitIndex = 0; textureUnitIndex < textureVector.size(); |
| textureUnitIndex++) |
| { |
| if (textureVector[textureUnitIndex] == texture) |
| { |
| activeTexture(textureUnitIndex); |
| bindTexture(type, 0); |
| } |
| } |
| } |
| |
| for (size_t imageUnitIndex = 0; imageUnitIndex < mImages.size(); imageUnitIndex++) |
| { |
| if (mImages[imageUnitIndex].texture == texture) |
| { |
| bindImageTexture(imageUnitIndex, 0, 0, false, 0, GL_READ_ONLY, GL_R32UI); |
| } |
| } |
| |
| mFunctions->deleteTextures(1, &texture); |
| } |
| } |
| |
| void StateManagerGL::deleteSampler(GLuint sampler) |
| { |
| if (sampler != 0) |
| { |
| for (size_t unit = 0; unit < mSamplers.size(); unit++) |
| { |
| if (mSamplers[unit] == sampler) |
| { |
| bindSampler(unit, 0); |
| } |
| } |
| |
| mFunctions->deleteSamplers(1, &sampler); |
| } |
| } |
| |
| void StateManagerGL::deleteBuffer(GLuint buffer) |
| { |
| if (buffer == 0) |
| { |
| return; |
| } |
| |
| for (auto target : angle::AllEnums<gl::BufferBinding>()) |
| { |
| if (mBuffers[target] == buffer) |
| { |
| bindBuffer(target, 0); |
| } |
| |
| auto &indexedTarget = mIndexedBuffers[target]; |
| for (size_t bindIndex = 0; bindIndex < indexedTarget.size(); ++bindIndex) |
| { |
| if (indexedTarget[bindIndex].buffer == buffer) |
| { |
| bindBufferBase(target, bindIndex, 0); |
| } |
| } |
| } |
| |
| mFunctions->deleteBuffers(1, &buffer); |
| } |
| |
| void StateManagerGL::deleteFramebuffer(GLuint fbo) |
| { |
| if (fbo != 0) |
| { |
| for (size_t binding = 0; binding < mFramebuffers.size(); ++binding) |
| { |
| if (mFramebuffers[binding] == fbo) |
| { |
| GLenum enumValue = angle::FramebufferBindingToEnum( |
| static_cast<angle::FramebufferBinding>(binding)); |
| bindFramebuffer(enumValue, 0); |
| } |
| } |
| mFunctions->deleteFramebuffers(1, &fbo); |
| } |
| } |
| |
| void StateManagerGL::deleteRenderbuffer(GLuint rbo) |
| { |
| if (rbo != 0) |
| { |
| if (mRenderbuffer == rbo) |
| { |
| bindRenderbuffer(GL_RENDERBUFFER, 0); |
| } |
| |
| mFunctions->deleteRenderbuffers(1, &rbo); |
| } |
| } |
| |
| void StateManagerGL::deleteTransformFeedback(GLuint transformFeedback) |
| { |
| if (transformFeedback != 0) |
| { |
| if (mTransformFeedback == transformFeedback) |
| { |
| bindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0); |
| } |
| |
| if (mCurrentTransformFeedback != nullptr && |
| mCurrentTransformFeedback->getTransformFeedbackID() == transformFeedback) |
| { |
| mCurrentTransformFeedback = nullptr; |
| } |
| |
| mFunctions->deleteTransformFeedbacks(1, &transformFeedback); |
| } |
| } |
| |
| void StateManagerGL::useProgram(GLuint program) |
| { |
| if (mProgram != program) |
| { |
| forceUseProgram(program); |
| } |
| } |
| |
| void StateManagerGL::forceUseProgram(GLuint program) |
| { |
| mProgram = program; |
| mFunctions->useProgram(mProgram); |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PROGRAM_BINDING); |
| } |
| |
| void StateManagerGL::bindVertexArray(GLuint vao, GLuint elementArrayBuffer) |
| { |
| if (mVAO != vao) |
| { |
| mVAO = vao; |
| mBuffers[gl::BufferBinding::ElementArray] = elementArrayBuffer; |
| mFunctions->bindVertexArray(vao); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_VERTEX_ARRAY_BINDING); |
| } |
| } |
| |
| void StateManagerGL::bindBuffer(gl::BufferBinding target, GLuint buffer) |
| { |
| // GL drivers differ in whether the transform feedback bind point is modified when |
| // glBindTransformFeedback is called. To avoid these behavior differences we shouldn't try to |
| // use it. |
| ASSERT(target != gl::BufferBinding::TransformFeedback); |
| if (mBuffers[target] != buffer) |
| { |
| mBuffers[target] = buffer; |
| mFunctions->bindBuffer(gl::ToGLenum(target), buffer); |
| } |
| } |
| |
| void StateManagerGL::bindBufferBase(gl::BufferBinding target, size_t index, GLuint buffer) |
| { |
| // Transform feedback buffer bindings are tracked in TransformFeedbackGL |
| ASSERT(target != gl::BufferBinding::TransformFeedback); |
| |
| ASSERT(index < mIndexedBuffers[target].size()); |
| auto &binding = mIndexedBuffers[target][index]; |
| if (binding.buffer != buffer || binding.offset != static_cast<size_t>(-1) || |
| binding.size != static_cast<size_t>(-1)) |
| { |
| binding.buffer = buffer; |
| binding.offset = static_cast<size_t>(-1); |
| binding.size = static_cast<size_t>(-1); |
| mBuffers[target] = buffer; |
| mFunctions->bindBufferBase(gl::ToGLenum(target), static_cast<GLuint>(index), buffer); |
| } |
| } |
| |
| void StateManagerGL::bindBufferRange(gl::BufferBinding target, |
| size_t index, |
| GLuint buffer, |
| size_t offset, |
| size_t size) |
| { |
| // Transform feedback buffer bindings are tracked in TransformFeedbackGL |
| ASSERT(target != gl::BufferBinding::TransformFeedback); |
| |
| auto &binding = mIndexedBuffers[target][index]; |
| if (binding.buffer != buffer || binding.offset != offset || binding.size != size) |
| { |
| binding.buffer = buffer; |
| binding.offset = offset; |
| binding.size = size; |
| mBuffers[target] = buffer; |
| mFunctions->bindBufferRange(gl::ToGLenum(target), static_cast<GLuint>(index), buffer, |
| offset, size); |
| } |
| } |
| |
| void StateManagerGL::activeTexture(size_t unit) |
| { |
| if (mTextureUnitIndex != unit) |
| { |
| mTextureUnitIndex = unit; |
| mFunctions->activeTexture(GL_TEXTURE0 + static_cast<GLenum>(mTextureUnitIndex)); |
| } |
| } |
| |
| void StateManagerGL::bindTexture(gl::TextureType type, GLuint texture) |
| { |
| if (mTextures[type][mTextureUnitIndex] != texture) |
| { |
| mTextures[type][mTextureUnitIndex] = texture; |
| mFunctions->bindTexture(ToGLenum(type), texture); |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_TEXTURE_BINDINGS); |
| } |
| } |
| |
| void StateManagerGL::invalidateTexture(gl::TextureType type) |
| { |
| // Assume the tracked texture binding is incorrect, query the real bound texture from GL. |
| GLint boundTexture = 0; |
| mFunctions->getIntegerv(nativegl::GetTextureBindingQuery(type), &boundTexture); |
| mTextures[type][mTextureUnitIndex] = static_cast<GLuint>(boundTexture); |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_TEXTURE_BINDINGS); |
| } |
| |
| void StateManagerGL::bindSampler(size_t unit, GLuint sampler) |
| { |
| if (mSamplers[unit] != sampler) |
| { |
| mSamplers[unit] = sampler; |
| mFunctions->bindSampler(static_cast<GLuint>(unit), sampler); |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLER_BINDINGS); |
| } |
| } |
| |
| void StateManagerGL::bindImageTexture(size_t unit, |
| GLuint texture, |
| GLint level, |
| GLboolean layered, |
| GLint layer, |
| GLenum access, |
| GLenum format) |
| { |
| auto &binding = mImages[unit]; |
| if (binding.texture != texture || binding.level != level || binding.layered != layered || |
| binding.layer != layer || binding.access != access || binding.format != format) |
| { |
| binding.texture = texture; |
| binding.level = level; |
| binding.layered = layered; |
| binding.layer = layer; |
| binding.access = access; |
| binding.format = format; |
| mFunctions->bindImageTexture(angle::base::checked_cast<GLuint>(unit), texture, level, |
| layered, layer, access, format); |
| } |
| } |
| |
| void StateManagerGL::setPixelUnpackState(const gl::PixelUnpackState &unpack) |
| { |
| if (mUnpackAlignment != unpack.alignment) |
| { |
| mUnpackAlignment = unpack.alignment; |
| mFunctions->pixelStorei(GL_UNPACK_ALIGNMENT, mUnpackAlignment); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| |
| if (mUnpackRowLength != unpack.rowLength) |
| { |
| mUnpackRowLength = unpack.rowLength; |
| mFunctions->pixelStorei(GL_UNPACK_ROW_LENGTH, mUnpackRowLength); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| |
| if (mUnpackSkipRows != unpack.skipRows) |
| { |
| mUnpackSkipRows = unpack.skipRows; |
| mFunctions->pixelStorei(GL_UNPACK_SKIP_ROWS, mUnpackSkipRows); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| |
| if (mUnpackSkipPixels != unpack.skipPixels) |
| { |
| mUnpackSkipPixels = unpack.skipPixels; |
| mFunctions->pixelStorei(GL_UNPACK_SKIP_PIXELS, mUnpackSkipPixels); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| |
| if (mUnpackImageHeight != unpack.imageHeight) |
| { |
| mUnpackImageHeight = unpack.imageHeight; |
| mFunctions->pixelStorei(GL_UNPACK_IMAGE_HEIGHT, mUnpackImageHeight); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| |
| if (mUnpackSkipImages != unpack.skipImages) |
| { |
| mUnpackSkipImages = unpack.skipImages; |
| mFunctions->pixelStorei(GL_UNPACK_SKIP_IMAGES, mUnpackSkipImages); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_UNPACK_STATE); |
| } |
| } |
| |
| void StateManagerGL::setPixelUnpackBuffer(const gl::Buffer *pixelBuffer) |
| { |
| GLuint bufferID = 0; |
| if (pixelBuffer != nullptr) |
| { |
| bufferID = GetImplAs<BufferGL>(pixelBuffer)->getBufferID(); |
| } |
| bindBuffer(gl::BufferBinding::PixelUnpack, bufferID); |
| } |
| |
| void StateManagerGL::setPixelPackState(const gl::PixelPackState &pack) |
| { |
| if (mPackAlignment != pack.alignment) |
| { |
| mPackAlignment = pack.alignment; |
| mFunctions->pixelStorei(GL_PACK_ALIGNMENT, mPackAlignment); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PACK_STATE); |
| } |
| |
| if (mPackRowLength != pack.rowLength) |
| { |
| mPackRowLength = pack.rowLength; |
| mFunctions->pixelStorei(GL_PACK_ROW_LENGTH, mPackRowLength); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PACK_STATE); |
| } |
| |
| if (mPackSkipRows != pack.skipRows) |
| { |
| mPackSkipRows = pack.skipRows; |
| mFunctions->pixelStorei(GL_PACK_SKIP_ROWS, mPackSkipRows); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PACK_STATE); |
| } |
| |
| if (mPackSkipPixels != pack.skipPixels) |
| { |
| mPackSkipPixels = pack.skipPixels; |
| mFunctions->pixelStorei(GL_PACK_SKIP_PIXELS, mPackSkipPixels); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PACK_STATE); |
| } |
| } |
| |
| void StateManagerGL::setPixelPackBuffer(const gl::Buffer *pixelBuffer) |
| { |
| GLuint bufferID = 0; |
| if (pixelBuffer != nullptr) |
| { |
| bufferID = GetImplAs<BufferGL>(pixelBuffer)->getBufferID(); |
| } |
| bindBuffer(gl::BufferBinding::PixelPack, bufferID); |
| } |
| |
| void StateManagerGL::bindFramebuffer(GLenum type, GLuint framebuffer) |
| { |
| switch (type) |
| { |
| case GL_FRAMEBUFFER: |
| if (mFramebuffers[angle::FramebufferBindingRead] != framebuffer || |
| mFramebuffers[angle::FramebufferBindingDraw] != framebuffer) |
| { |
| mFramebuffers[angle::FramebufferBindingRead] = framebuffer; |
| mFramebuffers[angle::FramebufferBindingDraw] = framebuffer; |
| mFunctions->bindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING); |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING); |
| } |
| break; |
| |
| case GL_READ_FRAMEBUFFER: |
| if (mFramebuffers[angle::FramebufferBindingRead] != framebuffer) |
| { |
| mFramebuffers[angle::FramebufferBindingRead] = framebuffer; |
| mFunctions->bindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING); |
| } |
| break; |
| |
| case GL_DRAW_FRAMEBUFFER: |
| if (mFramebuffers[angle::FramebufferBindingDraw] != framebuffer) |
| { |
| mFramebuffers[angle::FramebufferBindingDraw] = framebuffer; |
| mFunctions->bindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING); |
| } |
| break; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| void StateManagerGL::bindRenderbuffer(GLenum type, GLuint renderbuffer) |
| { |
| ASSERT(type == GL_RENDERBUFFER); |
| if (mRenderbuffer != renderbuffer) |
| { |
| mRenderbuffer = renderbuffer; |
| mFunctions->bindRenderbuffer(type, mRenderbuffer); |
| } |
| } |
| |
| void StateManagerGL::bindTransformFeedback(GLenum type, GLuint transformFeedback) |
| { |
| ASSERT(type == GL_TRANSFORM_FEEDBACK); |
| if (mTransformFeedback != transformFeedback) |
| { |
| // Pause the current transform feedback if one is active. |
| // To handle virtualized contexts, StateManagerGL needs to be able to bind a new transform |
| // feedback at any time, even if there is one active. |
| if (mCurrentTransformFeedback != nullptr && |
| mCurrentTransformFeedback->getTransformFeedbackID() != transformFeedback) |
| { |
| mCurrentTransformFeedback->syncPausedState(true); |
| mCurrentTransformFeedback = nullptr; |
| } |
| |
| mTransformFeedback = transformFeedback; |
| mFunctions->bindTransformFeedback(type, mTransformFeedback); |
| onTransformFeedbackStateChange(); |
| } |
| } |
| |
| void StateManagerGL::onTransformFeedbackStateChange() |
| { |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_TRANSFORM_FEEDBACK_BINDING); |
| } |
| |
| void StateManagerGL::beginQuery(gl::QueryType type, QueryGL *queryObject, GLuint queryId) |
| { |
| // Make sure this is a valid query type and there is no current active query of this type |
| ASSERT(mQueries[type] == nullptr); |
| ASSERT(queryId != 0); |
| |
| mQueries[type] = queryObject; |
| mFunctions->beginQuery(ToGLenum(type), queryId); |
| } |
| |
| void StateManagerGL::endQuery(gl::QueryType type, QueryGL *queryObject, GLuint queryId) |
| { |
| ASSERT(queryObject != nullptr); |
| ASSERT(mQueries[type] == queryObject); |
| mQueries[type] = nullptr; |
| mFunctions->endQuery(ToGLenum(type)); |
| } |
| |
| void StateManagerGL::updateDrawIndirectBufferBinding(const gl::Context *context) |
| { |
| gl::Buffer *drawIndirectBuffer = |
| context->getState().getTargetBuffer(gl::BufferBinding::DrawIndirect); |
| if (drawIndirectBuffer != nullptr) |
| { |
| const BufferGL *bufferGL = GetImplAs<BufferGL>(drawIndirectBuffer); |
| bindBuffer(gl::BufferBinding::DrawIndirect, bufferGL->getBufferID()); |
| } |
| } |
| |
| void StateManagerGL::updateDispatchIndirectBufferBinding(const gl::Context *context) |
| { |
| gl::Buffer *dispatchIndirectBuffer = |
| context->getState().getTargetBuffer(gl::BufferBinding::DispatchIndirect); |
| if (dispatchIndirectBuffer != nullptr) |
| { |
| const BufferGL *bufferGL = GetImplAs<BufferGL>(dispatchIndirectBuffer); |
| bindBuffer(gl::BufferBinding::DispatchIndirect, bufferGL->getBufferID()); |
| } |
| } |
| |
| void StateManagerGL::pauseTransformFeedback() |
| { |
| if (mCurrentTransformFeedback != nullptr) |
| { |
| mCurrentTransformFeedback->syncPausedState(true); |
| onTransformFeedbackStateChange(); |
| } |
| } |
| |
| angle::Result StateManagerGL::pauseAllQueries(const gl::Context *context) |
| { |
| for (gl::QueryType type : angle::AllEnums<gl::QueryType>()) |
| { |
| QueryGL *previousQuery = mQueries[type]; |
| |
| if (previousQuery != nullptr) |
| { |
| ANGLE_TRY(previousQuery->pause(context)); |
| mTemporaryPausedQueries[type] = previousQuery; |
| mQueries[type] = nullptr; |
| } |
| } |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result StateManagerGL::pauseQuery(const gl::Context *context, gl::QueryType type) |
| { |
| QueryGL *previousQuery = mQueries[type]; |
| |
| if (previousQuery) |
| { |
| ANGLE_TRY(previousQuery->pause(context)); |
| mTemporaryPausedQueries[type] = previousQuery; |
| mQueries[type] = nullptr; |
| } |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result StateManagerGL::resumeAllQueries(const gl::Context *context) |
| { |
| for (gl::QueryType type : angle::AllEnums<gl::QueryType>()) |
| { |
| QueryGL *pausedQuery = mTemporaryPausedQueries[type]; |
| |
| if (pausedQuery != nullptr) |
| { |
| ASSERT(mQueries[type] == nullptr); |
| ANGLE_TRY(pausedQuery->resume(context)); |
| mTemporaryPausedQueries[type] = nullptr; |
| } |
| } |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result StateManagerGL::resumeQuery(const gl::Context *context, gl::QueryType type) |
| { |
| QueryGL *pausedQuery = mTemporaryPausedQueries[type]; |
| |
| if (pausedQuery != nullptr) |
| { |
| ANGLE_TRY(pausedQuery->resume(context)); |
| mTemporaryPausedQueries[type] = nullptr; |
| } |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result StateManagerGL::onMakeCurrent(const gl::Context *context) |
| { |
| const gl::State &glState = context->getState(); |
| |
| #if defined(ANGLE_ENABLE_ASSERTS) |
| // Temporarily pausing queries during context switch is not supported |
| for (QueryGL *pausedQuery : mTemporaryPausedQueries) |
| { |
| ASSERT(pausedQuery == nullptr); |
| } |
| #endif |
| |
| // If the context has changed, pause the previous context's queries |
| auto contextID = context->getState().getContextID(); |
| if (contextID != mPrevDrawContext) |
| { |
| for (gl::QueryType type : angle::AllEnums<gl::QueryType>()) |
| { |
| QueryGL *currentQuery = mQueries[type]; |
| // Pause any old query object |
| if (currentQuery != nullptr) |
| { |
| ANGLE_TRY(currentQuery->pause(context)); |
| mQueries[type] = nullptr; |
| } |
| |
| // Check if this new context needs to resume a query |
| gl::Query *newQuery = glState.getActiveQuery(type); |
| if (newQuery != nullptr) |
| { |
| QueryGL *queryGL = GetImplAs<QueryGL>(newQuery); |
| ANGLE_TRY(queryGL->resume(context)); |
| } |
| } |
| } |
| onTransformFeedbackStateChange(); |
| mPrevDrawContext = contextID; |
| |
| // Seamless cubemaps are required for ES3 and higher contexts. It should be the cheapest to set |
| // this state here since MakeCurrent is expected to be called less frequently than draw calls. |
| setTextureCubemapSeamlessEnabled(context->getClientMajorVersion() >= 3); |
| |
| return angle::Result::Continue; |
| } |
| |
| void StateManagerGL::updateProgramTextureBindings(const gl::Context *context) |
| { |
| const gl::State &glState = context->getState(); |
| const gl::Program *program = glState.getProgram(); |
| |
| // It is possible there is no active program during a path operation. |
| if (!program) |
| return; |
| |
| const gl::ActiveTexturePointerArray &textures = glState.getActiveTexturesCache(); |
| const gl::ActiveTextureMask &activeTextures = program->getActiveSamplersMask(); |
| const gl::ActiveTextureTypeArray &textureTypes = program->getActiveSamplerTypes(); |
| |
| for (size_t textureUnitIndex : activeTextures) |
| { |
| gl::TextureType textureType = textureTypes[textureUnitIndex]; |
| gl::Texture *texture = textures[textureUnitIndex]; |
| |
| // A nullptr texture indicates incomplete. |
| if (texture != nullptr) |
| { |
| const TextureGL *textureGL = GetImplAs<TextureGL>(texture); |
| ASSERT(!texture->hasAnyDirtyBit()); |
| ASSERT(!textureGL->hasAnyDirtyBit()); |
| |
| activeTexture(textureUnitIndex); |
| bindTexture(textureType, textureGL->getTextureID()); |
| } |
| else |
| { |
| activeTexture(textureUnitIndex); |
| bindTexture(textureType, 0); |
| } |
| } |
| } |
| |
| void StateManagerGL::updateProgramStorageBufferBindings(const gl::Context *context) |
| { |
| const gl::State &glState = context->getState(); |
| const gl::Program *program = glState.getProgram(); |
| |
| // It is possible there is no active program during a path operation. |
| if (!program) |
| return; |
| |
| for (size_t blockIndex = 0; blockIndex < program->getActiveShaderStorageBlockCount(); |
| blockIndex++) |
| { |
| GLuint binding = program->getShaderStorageBlockBinding(static_cast<GLuint>(blockIndex)); |
| const auto &shaderStorageBuffer = glState.getIndexedShaderStorageBuffer(binding); |
| |
| if (shaderStorageBuffer.get() != nullptr) |
| { |
| BufferGL *bufferGL = GetImplAs<BufferGL>(shaderStorageBuffer.get()); |
| |
| if (shaderStorageBuffer.getSize() == 0) |
| { |
| bindBufferBase(gl::BufferBinding::ShaderStorage, binding, bufferGL->getBufferID()); |
| } |
| else |
| { |
| bindBufferRange(gl::BufferBinding::ShaderStorage, binding, bufferGL->getBufferID(), |
| shaderStorageBuffer.getOffset(), shaderStorageBuffer.getSize()); |
| } |
| } |
| } |
| } |
| |
| void StateManagerGL::updateProgramUniformBufferBindings(const gl::Context *context) |
| { |
| // Sync the current program state |
| const gl::State &glState = context->getState(); |
| const gl::Program *program = glState.getProgram(); |
| |
| // It is possible there is no active program during a path operation. |
| if (!program) |
| return; |
| |
| for (size_t uniformBlockIndex = 0; uniformBlockIndex < program->getActiveUniformBlockCount(); |
| uniformBlockIndex++) |
| { |
| GLuint binding = program->getUniformBlockBinding(static_cast<GLuint>(uniformBlockIndex)); |
| const auto &uniformBuffer = glState.getIndexedUniformBuffer(binding); |
| |
| if (uniformBuffer.get() != nullptr) |
| { |
| BufferGL *bufferGL = GetImplAs<BufferGL>(uniformBuffer.get()); |
| |
| if (uniformBuffer.getSize() == 0) |
| { |
| bindBufferBase(gl::BufferBinding::Uniform, binding, bufferGL->getBufferID()); |
| } |
| else |
| { |
| bindBufferRange(gl::BufferBinding::Uniform, binding, bufferGL->getBufferID(), |
| uniformBuffer.getOffset(), uniformBuffer.getSize()); |
| } |
| } |
| } |
| } |
| |
| void StateManagerGL::updateProgramAtomicCounterBufferBindings(const gl::Context *context) |
| { |
| const gl::State &glState = context->getState(); |
| const gl::Program *program = glState.getProgram(); |
| |
| // It is possible there is no active program during a path operation. |
| if (!program) |
| return; |
| |
| for (const auto &atomicCounterBuffer : program->getState().getAtomicCounterBuffers()) |
| { |
| GLuint binding = atomicCounterBuffer.binding; |
| const auto &buffer = glState.getIndexedAtomicCounterBuffer(binding); |
| |
| if (buffer.get() != nullptr) |
| { |
| BufferGL *bufferGL = GetImplAs<BufferGL>(buffer.get()); |
| |
| if (buffer.getSize() == 0) |
| { |
| bindBufferBase(gl::BufferBinding::AtomicCounter, binding, bufferGL->getBufferID()); |
| } |
| else |
| { |
| bindBufferRange(gl::BufferBinding::AtomicCounter, binding, bufferGL->getBufferID(), |
| buffer.getOffset(), buffer.getSize()); |
| } |
| } |
| } |
| } |
| |
| void StateManagerGL::updateProgramImageBindings(const gl::Context *context) |
| { |
| const gl::State &glState = context->getState(); |
| const gl::Program *program = glState.getProgram(); |
| |
| // It is possible there is no active program during a path operation. |
| if (!program) |
| return; |
| |
| ASSERT(context->getClientVersion() >= gl::ES_3_1 || program->getImageBindings().size() == 0); |
| for (size_t imageUnitIndex : program->getActiveImagesMask()) |
| { |
| const gl::ImageUnit &imageUnit = glState.getImageUnit(imageUnitIndex); |
| const TextureGL *textureGL = SafeGetImplAs<TextureGL>(imageUnit.texture.get()); |
| if (textureGL) |
| { |
| bindImageTexture(imageUnitIndex, textureGL->getTextureID(), imageUnit.level, |
| imageUnit.layered, imageUnit.layer, imageUnit.access, |
| imageUnit.format); |
| } |
| else |
| { |
| bindImageTexture(imageUnitIndex, 0, imageUnit.level, imageUnit.layered, imageUnit.layer, |
| imageUnit.access, imageUnit.format); |
| } |
| } |
| } |
| |
| void StateManagerGL::setAttributeCurrentData(size_t index, |
| const gl::VertexAttribCurrentValueData &data) |
| { |
| if (mVertexAttribCurrentValues[index] != data) |
| { |
| mVertexAttribCurrentValues[index] = data; |
| switch (mVertexAttribCurrentValues[index].Type) |
| { |
| case gl::VertexAttribType::Float: |
| mFunctions->vertexAttrib4fv(static_cast<GLuint>(index), |
| mVertexAttribCurrentValues[index].Values.FloatValues); |
| break; |
| case gl::VertexAttribType::Int: |
| mFunctions->vertexAttribI4iv(static_cast<GLuint>(index), |
| mVertexAttribCurrentValues[index].Values.IntValues); |
| break; |
| case gl::VertexAttribType::UnsignedInt: |
| mFunctions->vertexAttribI4uiv( |
| static_cast<GLuint>(index), |
| mVertexAttribCurrentValues[index].Values.UnsignedIntValues); |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CURRENT_VALUES); |
| mLocalDirtyCurrentValues.set(index); |
| } |
| } |
| |
| void StateManagerGL::setScissorTestEnabled(bool enabled) |
| { |
| if (mScissorTestEnabled != enabled) |
| { |
| mScissorTestEnabled = enabled; |
| if (mScissorTestEnabled) |
| { |
| mFunctions->enable(GL_SCISSOR_TEST); |
| } |
| else |
| { |
| mFunctions->disable(GL_SCISSOR_TEST); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setScissor(const gl::Rectangle &scissor) |
| { |
| if (scissor != mScissor) |
| { |
| mScissor = scissor; |
| mFunctions->scissor(mScissor.x, mScissor.y, mScissor.width, mScissor.height); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SCISSOR); |
| } |
| } |
| |
| void StateManagerGL::setViewport(const gl::Rectangle &viewport) |
| { |
| if (viewport != mViewport) |
| { |
| mViewport = viewport; |
| mFunctions->viewport(mViewport.x, mViewport.y, mViewport.width, mViewport.height); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_VIEWPORT); |
| } |
| } |
| |
| void StateManagerGL::setDepthRange(float near, float far) |
| { |
| mNear = near; |
| mFar = far; |
| |
| // The glDepthRangef function isn't available until OpenGL 4.1. Prefer it when it is |
| // available because OpenGL ES only works in floats. |
| if (mFunctions->depthRangef) |
| { |
| mFunctions->depthRangef(mNear, mFar); |
| } |
| else |
| { |
| ASSERT(mFunctions->depthRange); |
| mFunctions->depthRange(mNear, mFar); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DEPTH_RANGE); |
| } |
| |
| void StateManagerGL::setBlendEnabled(bool enabled) |
| { |
| if (mBlendEnabled != enabled) |
| { |
| mBlendEnabled = enabled; |
| if (mBlendEnabled) |
| { |
| mFunctions->enable(GL_BLEND); |
| } |
| else |
| { |
| mFunctions->disable(GL_BLEND); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_BLEND_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setBlendColor(const gl::ColorF &blendColor) |
| { |
| if (mBlendColor != blendColor) |
| { |
| mBlendColor = blendColor; |
| mFunctions->blendColor(mBlendColor.red, mBlendColor.green, mBlendColor.blue, |
| mBlendColor.alpha); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_BLEND_COLOR); |
| } |
| } |
| |
| void StateManagerGL::setBlendFuncs(GLenum sourceBlendRGB, |
| GLenum destBlendRGB, |
| GLenum sourceBlendAlpha, |
| GLenum destBlendAlpha) |
| { |
| if (mSourceBlendRGB != sourceBlendRGB || mDestBlendRGB != destBlendRGB || |
| mSourceBlendAlpha != sourceBlendAlpha || mDestBlendAlpha != destBlendAlpha) |
| { |
| mSourceBlendRGB = sourceBlendRGB; |
| mDestBlendRGB = destBlendRGB; |
| mSourceBlendAlpha = sourceBlendAlpha; |
| mDestBlendAlpha = destBlendAlpha; |
| |
| mFunctions->blendFuncSeparate(mSourceBlendRGB, mDestBlendRGB, mSourceBlendAlpha, |
| mDestBlendAlpha); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_BLEND_FUNCS); |
| } |
| } |
| |
| void StateManagerGL::setBlendEquations(GLenum blendEquationRGB, GLenum blendEquationAlpha) |
| { |
| if (mBlendEquationRGB != blendEquationRGB || mBlendEquationAlpha != blendEquationAlpha) |
| { |
| mBlendEquationRGB = blendEquationRGB; |
| mBlendEquationAlpha = blendEquationAlpha; |
| |
| mFunctions->blendEquationSeparate(mBlendEquationRGB, mBlendEquationAlpha); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_BLEND_EQUATIONS); |
| } |
| } |
| |
| void StateManagerGL::setColorMask(bool red, bool green, bool blue, bool alpha) |
| { |
| if (mColorMaskRed != red || mColorMaskGreen != green || mColorMaskBlue != blue || |
| mColorMaskAlpha != alpha) |
| { |
| mColorMaskRed = red; |
| mColorMaskGreen = green; |
| mColorMaskBlue = blue; |
| mColorMaskAlpha = alpha; |
| mFunctions->colorMask(mColorMaskRed, mColorMaskGreen, mColorMaskBlue, mColorMaskAlpha); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_COLOR_MASK); |
| } |
| } |
| |
| void StateManagerGL::setSampleAlphaToCoverageEnabled(bool enabled) |
| { |
| if (mSampleAlphaToCoverageEnabled != enabled) |
| { |
| mSampleAlphaToCoverageEnabled = enabled; |
| if (mSampleAlphaToCoverageEnabled) |
| { |
| mFunctions->enable(GL_SAMPLE_ALPHA_TO_COVERAGE); |
| } |
| else |
| { |
| mFunctions->disable(GL_SAMPLE_ALPHA_TO_COVERAGE); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setSampleCoverageEnabled(bool enabled) |
| { |
| if (mSampleCoverageEnabled != enabled) |
| { |
| mSampleCoverageEnabled = enabled; |
| if (mSampleCoverageEnabled) |
| { |
| mFunctions->enable(GL_SAMPLE_COVERAGE); |
| } |
| else |
| { |
| mFunctions->disable(GL_SAMPLE_COVERAGE); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_COVERAGE_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setSampleCoverage(float value, bool invert) |
| { |
| if (mSampleCoverageValue != value || mSampleCoverageInvert != invert) |
| { |
| mSampleCoverageValue = value; |
| mSampleCoverageInvert = invert; |
| mFunctions->sampleCoverage(mSampleCoverageValue, mSampleCoverageInvert); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_COVERAGE); |
| } |
| } |
| |
| void StateManagerGL::setSampleMaskEnabled(bool enabled) |
| { |
| if (mSampleMaskEnabled != enabled) |
| { |
| mSampleMaskEnabled = enabled; |
| if (mSampleMaskEnabled) |
| { |
| mFunctions->enable(GL_SAMPLE_MASK); |
| } |
| else |
| { |
| mFunctions->disable(GL_SAMPLE_MASK); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_MASK_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setSampleMaski(GLuint maskNumber, GLbitfield mask) |
| { |
| ASSERT(maskNumber < mSampleMaskValues.size()); |
| if (mSampleMaskValues[maskNumber] != mask) |
| { |
| mSampleMaskValues[maskNumber] = mask; |
| mFunctions->sampleMaski(maskNumber, mask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_MASK); |
| } |
| } |
| |
| // Depth and stencil redundant state changes are guarded in the |
| // frontend so for related cases here just set the dirty bit |
| // and update backend states. |
| void StateManagerGL::setDepthTestEnabled(bool enabled) |
| { |
| mDepthTestEnabled = enabled; |
| if (mDepthTestEnabled) |
| { |
| mFunctions->enable(GL_DEPTH_TEST); |
| } |
| else |
| { |
| mFunctions->disable(GL_DEPTH_TEST); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED); |
| } |
| |
| void StateManagerGL::setDepthFunc(GLenum depthFunc) |
| { |
| mDepthFunc = depthFunc; |
| mFunctions->depthFunc(mDepthFunc); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DEPTH_FUNC); |
| } |
| |
| void StateManagerGL::setDepthMask(bool mask) |
| { |
| mDepthMask = mask; |
| mFunctions->depthMask(mDepthMask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_DEPTH_MASK); |
| } |
| |
| void StateManagerGL::setStencilTestEnabled(bool enabled) |
| { |
| mStencilTestEnabled = enabled; |
| if (mStencilTestEnabled) |
| { |
| mFunctions->enable(GL_STENCIL_TEST); |
| } |
| else |
| { |
| mFunctions->disable(GL_STENCIL_TEST); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED); |
| } |
| |
| void StateManagerGL::setStencilFrontWritemask(GLuint mask) |
| { |
| mStencilFrontWritemask = mask; |
| mFunctions->stencilMaskSeparate(GL_FRONT, mStencilFrontWritemask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT); |
| } |
| |
| void StateManagerGL::setStencilBackWritemask(GLuint mask) |
| { |
| mStencilBackWritemask = mask; |
| mFunctions->stencilMaskSeparate(GL_BACK, mStencilBackWritemask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK); |
| } |
| |
| void StateManagerGL::setStencilFrontFuncs(GLenum func, GLint ref, GLuint mask) |
| { |
| mStencilFrontFunc = func; |
| mStencilFrontRef = ref; |
| mStencilFrontValueMask = mask; |
| mFunctions->stencilFuncSeparate(GL_FRONT, mStencilFrontFunc, mStencilFrontRef, |
| mStencilFrontValueMask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT); |
| } |
| |
| void StateManagerGL::setStencilBackFuncs(GLenum func, GLint ref, GLuint mask) |
| { |
| mStencilBackFunc = func; |
| mStencilBackRef = ref; |
| mStencilBackValueMask = mask; |
| mFunctions->stencilFuncSeparate(GL_BACK, mStencilBackFunc, mStencilBackRef, |
| mStencilBackValueMask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK); |
| } |
| |
| void StateManagerGL::setStencilFrontOps(GLenum sfail, GLenum dpfail, GLenum dppass) |
| { |
| mStencilFrontStencilFailOp = sfail; |
| mStencilFrontStencilPassDepthFailOp = dpfail; |
| mStencilFrontStencilPassDepthPassOp = dppass; |
| mFunctions->stencilOpSeparate(GL_FRONT, mStencilFrontStencilFailOp, |
| mStencilFrontStencilPassDepthFailOp, |
| mStencilFrontStencilPassDepthPassOp); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_OPS_FRONT); |
| } |
| |
| void StateManagerGL::setStencilBackOps(GLenum sfail, GLenum dpfail, GLenum dppass) |
| { |
| mStencilBackStencilFailOp = sfail; |
| mStencilBackStencilPassDepthFailOp = dpfail; |
| mStencilBackStencilPassDepthPassOp = dppass; |
| mFunctions->stencilOpSeparate(GL_BACK, mStencilBackStencilFailOp, |
| mStencilBackStencilPassDepthFailOp, |
| mStencilBackStencilPassDepthPassOp); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_STENCIL_OPS_BACK); |
| } |
| |
| void StateManagerGL::setCullFaceEnabled(bool enabled) |
| { |
| if (mCullFaceEnabled != enabled) |
| { |
| mCullFaceEnabled = enabled; |
| if (mCullFaceEnabled) |
| { |
| mFunctions->enable(GL_CULL_FACE); |
| } |
| else |
| { |
| mFunctions->disable(GL_CULL_FACE); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CULL_FACE_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setCullFace(gl::CullFaceMode cullFace) |
| { |
| if (mCullFace != cullFace) |
| { |
| mCullFace = cullFace; |
| mFunctions->cullFace(ToGLenum(mCullFace)); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CULL_FACE); |
| } |
| } |
| |
| void StateManagerGL::setFrontFace(GLenum frontFace) |
| { |
| if (mFrontFace != frontFace) |
| { |
| mFrontFace = frontFace; |
| mFunctions->frontFace(mFrontFace); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_FRONT_FACE); |
| } |
| } |
| |
| void StateManagerGL::setPolygonOffsetFillEnabled(bool enabled) |
| { |
| if (mPolygonOffsetFillEnabled != enabled) |
| { |
| mPolygonOffsetFillEnabled = enabled; |
| if (mPolygonOffsetFillEnabled) |
| { |
| mFunctions->enable(GL_POLYGON_OFFSET_FILL); |
| } |
| else |
| { |
| mFunctions->disable(GL_POLYGON_OFFSET_FILL); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setPolygonOffset(float factor, float units) |
| { |
| if (mPolygonOffsetFactor != factor || mPolygonOffsetUnits != units) |
| { |
| mPolygonOffsetFactor = factor; |
| mPolygonOffsetUnits = units; |
| mFunctions->polygonOffset(mPolygonOffsetFactor, mPolygonOffsetUnits); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_POLYGON_OFFSET); |
| } |
| } |
| |
| void StateManagerGL::setRasterizerDiscardEnabled(bool enabled) |
| { |
| if (mRasterizerDiscardEnabled != enabled) |
| { |
| mRasterizerDiscardEnabled = enabled; |
| if (mRasterizerDiscardEnabled) |
| { |
| mFunctions->enable(GL_RASTERIZER_DISCARD); |
| } |
| else |
| { |
| mFunctions->disable(GL_RASTERIZER_DISCARD); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setLineWidth(float width) |
| { |
| if (mLineWidth != width) |
| { |
| mLineWidth = width; |
| mFunctions->lineWidth(mLineWidth); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_LINE_WIDTH); |
| } |
| } |
| |
| void StateManagerGL::setPrimitiveRestartEnabled(bool enabled) |
| { |
| if (mPrimitiveRestartEnabled != enabled) |
| { |
| mPrimitiveRestartEnabled = enabled; |
| |
| if (mPrimitiveRestartEnabled) |
| { |
| mFunctions->enable(GL_PRIMITIVE_RESTART_FIXED_INDEX); |
| } |
| else |
| { |
| mFunctions->disable(GL_PRIMITIVE_RESTART_FIXED_INDEX); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PRIMITIVE_RESTART_ENABLED); |
| } |
| } |
| |
| void StateManagerGL::setClearDepth(float clearDepth) |
| { |
| if (mClearDepth != clearDepth) |
| { |
| mClearDepth = clearDepth; |
| |
| // The glClearDepthf function isn't available until OpenGL 4.1. Prefer it when it is |
| // available because OpenGL ES only works in floats. |
| if (mFunctions->clearDepthf) |
| { |
| mFunctions->clearDepthf(mClearDepth); |
| } |
| else |
| { |
| ASSERT(mFunctions->clearDepth); |
| mFunctions->clearDepth(mClearDepth); |
| } |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CLEAR_DEPTH); |
| } |
| } |
| |
| void StateManagerGL::setClearColor(const gl::ColorF &clearColor) |
| { |
| gl::ColorF modifiedClearColor = clearColor; |
| if (mFeatures.clearToZeroOrOneBroken.enabled && |
| (clearColor.red == 1.0f || clearColor.red == 0.0f) && |
| (clearColor.green == 1.0f || clearColor.green == 0.0f) && |
| (clearColor.blue == 1.0f || clearColor.blue == 0.0f) && |
| (clearColor.alpha == 1.0f || clearColor.alpha == 0.0f)) |
| { |
| if (clearColor.alpha == 1.0f) |
| { |
| modifiedClearColor.alpha = 2.0f; |
| } |
| else |
| { |
| modifiedClearColor.alpha = -1.0f; |
| } |
| } |
| |
| if (mClearColor != modifiedClearColor) |
| { |
| mClearColor = modifiedClearColor; |
| mFunctions->clearColor(mClearColor.red, mClearColor.green, mClearColor.blue, |
| mClearColor.alpha); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CLEAR_COLOR); |
| } |
| } |
| |
| void StateManagerGL::setClearStencil(GLint clearStencil) |
| { |
| if (mClearStencil != clearStencil) |
| { |
| mClearStencil = clearStencil; |
| mFunctions->clearStencil(mClearStencil); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_CLEAR_STENCIL); |
| } |
| } |
| |
| void StateManagerGL::syncState(const gl::Context *context, |
| const gl::State::DirtyBits &glDirtyBits, |
| const gl::State::DirtyBits &bitMask) |
| { |
| const gl::State &state = context->getState(); |
| |
| const gl::State::DirtyBits glAndLocalDirtyBits = (glDirtyBits | mLocalDirtyBits) & bitMask; |
| if (!glAndLocalDirtyBits.any()) |
| { |
| return; |
| } |
| |
| // TODO(jmadill): Investigate only syncing vertex state for active attributes |
| for (auto iter = glAndLocalDirtyBits.begin(), endIter = glAndLocalDirtyBits.end(); |
| iter != endIter; ++iter) |
| { |
| switch (*iter) |
| { |
| case gl::State::DIRTY_BIT_SCISSOR_TEST_ENABLED: |
| setScissorTestEnabled(state.isScissorTestEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_SCISSOR: |
| { |
| const gl::Rectangle &scissor = state.getScissor(); |
| setScissor(scissor); |
| } |
| break; |
| case gl::State::DIRTY_BIT_VIEWPORT: |
| { |
| const gl::Rectangle &viewport = state.getViewport(); |
| setViewport(viewport); |
| } |
| break; |
| case gl::State::DIRTY_BIT_DEPTH_RANGE: |
| setDepthRange(state.getNearPlane(), state.getFarPlane()); |
| break; |
| case gl::State::DIRTY_BIT_BLEND_ENABLED: |
| setBlendEnabled(state.isBlendEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_BLEND_COLOR: |
| setBlendColor(state.getBlendColor()); |
| break; |
| case gl::State::DIRTY_BIT_BLEND_FUNCS: |
| { |
| const auto &blendState = state.getBlendState(); |
| setBlendFuncs(blendState.sourceBlendRGB, blendState.destBlendRGB, |
| blendState.sourceBlendAlpha, blendState.destBlendAlpha); |
| break; |
| } |
| case gl::State::DIRTY_BIT_BLEND_EQUATIONS: |
| { |
| const auto &blendState = state.getBlendState(); |
| setBlendEquations(blendState.blendEquationRGB, blendState.blendEquationAlpha); |
| break; |
| } |
| case gl::State::DIRTY_BIT_COLOR_MASK: |
| { |
| gl::Framebuffer *framebuffer = state.getDrawFramebuffer(); |
| FramebufferGL *framebufferGL = GetImplAs<FramebufferGL>(framebuffer); |
| |
| const auto &blendState = state.getBlendState(); |
| setColorMaskForFramebuffer(blendState.colorMaskRed, blendState.colorMaskGreen, |
| blendState.colorMaskBlue, blendState.colorMaskAlpha, |
| framebufferGL); |
| break; |
| } |
| case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE_ENABLED: |
| setSampleAlphaToCoverageEnabled(state.isSampleAlphaToCoverageEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLE_COVERAGE_ENABLED: |
| setSampleCoverageEnabled(state.isSampleCoverageEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLE_COVERAGE: |
| setSampleCoverage(state.getSampleCoverageValue(), state.getSampleCoverageInvert()); |
| break; |
| case gl::State::DIRTY_BIT_DEPTH_TEST_ENABLED: |
| setDepthTestEnabled(state.isDepthTestEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_DEPTH_FUNC: |
| setDepthFunc(state.getDepthStencilState().depthFunc); |
| break; |
| case gl::State::DIRTY_BIT_DEPTH_MASK: |
| setDepthMask(state.getDepthStencilState().depthMask); |
| break; |
| case gl::State::DIRTY_BIT_STENCIL_TEST_ENABLED: |
| setStencilTestEnabled(state.isStencilTestEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT: |
| { |
| const auto &depthStencilState = state.getDepthStencilState(); |
| setStencilFrontFuncs(depthStencilState.stencilFunc, state.getStencilRef(), |
| depthStencilState.stencilMask); |
| break; |
| } |
| case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK: |
| { |
| const auto &depthStencilState = state.getDepthStencilState(); |
| setStencilBackFuncs(depthStencilState.stencilBackFunc, state.getStencilBackRef(), |
| depthStencilState.stencilBackMask); |
| break; |
| } |
| case gl::State::DIRTY_BIT_STENCIL_OPS_FRONT: |
| { |
| const auto &depthStencilState = state.getDepthStencilState(); |
| setStencilFrontOps(depthStencilState.stencilFail, |
| depthStencilState.stencilPassDepthFail, |
| depthStencilState.stencilPassDepthPass); |
| break; |
| } |
| case gl::State::DIRTY_BIT_STENCIL_OPS_BACK: |
| { |
| const auto &depthStencilState = state.getDepthStencilState(); |
| setStencilBackOps(depthStencilState.stencilBackFail, |
| depthStencilState.stencilBackPassDepthFail, |
| depthStencilState.stencilBackPassDepthPass); |
| break; |
| } |
| case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_FRONT: |
| setStencilFrontWritemask(state.getDepthStencilState().stencilWritemask); |
| break; |
| case gl::State::DIRTY_BIT_STENCIL_WRITEMASK_BACK: |
| setStencilBackWritemask(state.getDepthStencilState().stencilBackWritemask); |
| break; |
| case gl::State::DIRTY_BIT_CULL_FACE_ENABLED: |
| setCullFaceEnabled(state.isCullFaceEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_CULL_FACE: |
| setCullFace(state.getRasterizerState().cullMode); |
| break; |
| case gl::State::DIRTY_BIT_FRONT_FACE: |
| setFrontFace(state.getRasterizerState().frontFace); |
| break; |
| case gl::State::DIRTY_BIT_POLYGON_OFFSET_FILL_ENABLED: |
| setPolygonOffsetFillEnabled(state.isPolygonOffsetFillEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_POLYGON_OFFSET: |
| { |
| const auto &rasterizerState = state.getRasterizerState(); |
| setPolygonOffset(rasterizerState.polygonOffsetFactor, |
| rasterizerState.polygonOffsetUnits); |
| break; |
| } |
| case gl::State::DIRTY_BIT_RASTERIZER_DISCARD_ENABLED: |
| setRasterizerDiscardEnabled(state.isRasterizerDiscardEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_LINE_WIDTH: |
| setLineWidth(state.getLineWidth()); |
| break; |
| case gl::State::DIRTY_BIT_PRIMITIVE_RESTART_ENABLED: |
| setPrimitiveRestartEnabled(state.isPrimitiveRestartEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_CLEAR_COLOR: |
| setClearColor(state.getColorClearValue()); |
| break; |
| case gl::State::DIRTY_BIT_CLEAR_DEPTH: |
| setClearDepth(state.getDepthClearValue()); |
| break; |
| case gl::State::DIRTY_BIT_CLEAR_STENCIL: |
| setClearStencil(state.getStencilClearValue()); |
| break; |
| case gl::State::DIRTY_BIT_UNPACK_STATE: |
| setPixelUnpackState(state.getUnpackState()); |
| break; |
| case gl::State::DIRTY_BIT_UNPACK_BUFFER_BINDING: |
| setPixelUnpackBuffer(state.getTargetBuffer(gl::BufferBinding::PixelUnpack)); |
| break; |
| case gl::State::DIRTY_BIT_PACK_STATE: |
| setPixelPackState(state.getPackState()); |
| break; |
| case gl::State::DIRTY_BIT_PACK_BUFFER_BINDING: |
| setPixelPackBuffer(state.getTargetBuffer(gl::BufferBinding::PixelPack)); |
| break; |
| case gl::State::DIRTY_BIT_DITHER_ENABLED: |
| setDitherEnabled(state.isDitherEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_GENERATE_MIPMAP_HINT: |
| // TODO(jmadill): implement this |
| break; |
| case gl::State::DIRTY_BIT_SHADER_DERIVATIVE_HINT: |
| // TODO(jmadill): implement this |
| break; |
| case gl::State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING: |
| { |
| gl::Framebuffer *framebuffer = state.getReadFramebuffer(); |
| |
| // Necessary for an Intel TexImage workaround. |
| if (!framebuffer) |
| continue; |
| |
| FramebufferGL *framebufferGL = GetImplAs<FramebufferGL>(framebuffer); |
| bindFramebuffer(GL_READ_FRAMEBUFFER, framebufferGL->getFramebufferID()); |
| break; |
| } |
| case gl::State::DIRTY_BIT_DRAW_FRAMEBUFFER_BINDING: |
| { |
| gl::Framebuffer *framebuffer = state.getDrawFramebuffer(); |
| |
| // Necessary for an Intel TexImage workaround. |
| if (!framebuffer) |
| continue; |
| |
| FramebufferGL *framebufferGL = GetImplAs<FramebufferGL>(framebuffer); |
| bindFramebuffer(GL_DRAW_FRAMEBUFFER, framebufferGL->getFramebufferID()); |
| |
| const gl::Program *program = state.getProgram(); |
| if (program) |
| { |
| updateMultiviewBaseViewLayerIndexUniform(program, framebufferGL->getState()); |
| } |
| |
| // Changing the draw framebuffer binding sometimes requires resetting srgb blending. |
| if (mFunctions->standard == STANDARD_GL_DESKTOP) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_FRAMEBUFFER_SRGB); |
| } |
| |
| // If the framebuffer is emulating RGB on top of RGBA, the color mask has to be |
| // updated |
| iter.setLaterBit(gl::State::DIRTY_BIT_COLOR_MASK); |
| break; |
| } |
| case gl::State::DIRTY_BIT_RENDERBUFFER_BINDING: |
| // TODO(jmadill): implement this |
| break; |
| case gl::State::DIRTY_BIT_VERTEX_ARRAY_BINDING: |
| { |
| const VertexArrayGL *vaoGL = GetImplAs<VertexArrayGL>(state.getVertexArray()); |
| bindVertexArray(vaoGL->getVertexArrayID(), vaoGL->getAppliedElementArrayBufferID()); |
| |
| propagateProgramToVAO(state.getProgram(), |
| GetImplAs<VertexArrayGL>(state.getVertexArray())); |
| break; |
| } |
| case gl::State::DIRTY_BIT_DRAW_INDIRECT_BUFFER_BINDING: |
| updateDrawIndirectBufferBinding(context); |
| break; |
| case gl::State::DIRTY_BIT_DISPATCH_INDIRECT_BUFFER_BINDING: |
| updateDispatchIndirectBufferBinding(context); |
| break; |
| case gl::State::DIRTY_BIT_PROGRAM_BINDING: |
| { |
| gl::Program *program = state.getProgram(); |
| if (program != nullptr) |
| { |
| useProgram(GetImplAs<ProgramGL>(program)->getProgramID()); |
| } |
| break; |
| } |
| case gl::State::DIRTY_BIT_PROGRAM_EXECUTABLE: |
| { |
| const gl::Program *program = state.getProgram(); |
| if (program) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_TEXTURE_BINDINGS); |
| |
| if (program->getActiveImagesMask().any()) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_IMAGE_BINDINGS); |
| } |
| |
| if (program->getActiveShaderStorageBlockCount() > 0) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING); |
| } |
| |
| if (program->getActiveUniformBlockCount() > 0) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_UNIFORM_BUFFER_BINDINGS); |
| } |
| |
| if (program->getActiveAtomicCounterBufferCount() > 0) |
| { |
| iter.setLaterBit(gl::State::DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING); |
| } |
| |
| if (mIsMultiviewEnabled && program->usesMultiview()) |
| { |
| updateMultiviewBaseViewLayerIndexUniform( |
| program, state.getDrawFramebuffer()->getImplementation()->getState()); |
| } |
| } |
| |
| if (!program || !program->hasLinkedShaderStage(gl::ShaderType::Compute)) |
| { |
| propagateProgramToVAO(program, |
| GetImplAs<VertexArrayGL>(state.getVertexArray())); |
| } |
| break; |
| } |
| case gl::State::DIRTY_BIT_TEXTURE_BINDINGS: |
| updateProgramTextureBindings(context); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLER_BINDINGS: |
| syncSamplersState(context); |
| break; |
| case gl::State::DIRTY_BIT_IMAGE_BINDINGS: |
| updateProgramImageBindings(context); |
| break; |
| case gl::State::DIRTY_BIT_TRANSFORM_FEEDBACK_BINDING: |
| syncTransformFeedbackState(context); |
| break; |
| case gl::State::DIRTY_BIT_SHADER_STORAGE_BUFFER_BINDING: |
| updateProgramStorageBufferBindings(context); |
| break; |
| case gl::State::DIRTY_BIT_UNIFORM_BUFFER_BINDINGS: |
| updateProgramUniformBufferBindings(context); |
| break; |
| case gl::State::DIRTY_BIT_ATOMIC_COUNTER_BUFFER_BINDING: |
| updateProgramAtomicCounterBufferBindings(context); |
| break; |
| case gl::State::DIRTY_BIT_MULTISAMPLING: |
| setMultisamplingStateEnabled(state.isMultisamplingEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_ONE: |
| setSampleAlphaToOneStateEnabled(state.isSampleAlphaToOneEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_COVERAGE_MODULATION: |
| setCoverageModulation(state.getCoverageModulation()); |
| break; |
| case gl::State::DIRTY_BIT_PATH_RENDERING: |
| setPathRenderingModelViewMatrix( |
| state.getPathRenderingMatrix(GL_PATH_MODELVIEW_MATRIX_CHROMIUM)); |
| setPathRenderingProjectionMatrix( |
| state.getPathRenderingMatrix(GL_PATH_PROJECTION_MATRIX_CHROMIUM)); |
| setPathRenderingStencilState(state.getPathStencilFunc(), state.getPathStencilRef(), |
| state.getPathStencilMask()); |
| break; |
| case gl::State::DIRTY_BIT_FRAMEBUFFER_SRGB: |
| setFramebufferSRGBEnabledForFramebuffer( |
| context, state.getFramebufferSRGB(), |
| GetImplAs<FramebufferGL>(state.getDrawFramebuffer())); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLE_MASK_ENABLED: |
| setSampleMaskEnabled(state.isSampleMaskEnabled()); |
| break; |
| case gl::State::DIRTY_BIT_SAMPLE_MASK: |
| { |
| for (GLuint maskNumber = 0; maskNumber < state.getMaxSampleMaskWords(); |
| ++maskNumber) |
| { |
| setSampleMaski(maskNumber, state.getSampleMaskWord(maskNumber)); |
| } |
| break; |
| } |
| case gl::State::DIRTY_BIT_CURRENT_VALUES: |
| { |
| gl::AttributesMask combinedMask = |
| (state.getAndResetDirtyCurrentValues() | mLocalDirtyCurrentValues); |
| mLocalDirtyCurrentValues.reset(); |
| |
| for (auto attribIndex : combinedMask) |
| { |
| setAttributeCurrentData(attribIndex, |
| state.getVertexAttribCurrentValue(attribIndex)); |
| } |
| break; |
| } |
| case gl::State::DIRTY_BIT_PROVOKING_VERTEX: |
| setProvokingVertex(ToGLenum(state.getProvokingVertex())); |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| mLocalDirtyBits &= ~(bitMask); |
| } |
| |
| void StateManagerGL::setFramebufferSRGBEnabled(const gl::Context *context, bool enabled) |
| { |
| if (!context->getExtensions().sRGBWriteControl) |
| { |
| return; |
| } |
| |
| if (mFramebufferSRGBEnabled != enabled) |
| { |
| mFramebufferSRGBEnabled = enabled; |
| if (mFramebufferSRGBEnabled) |
| { |
| mFunctions->enable(GL_FRAMEBUFFER_SRGB); |
| } |
| else |
| { |
| mFunctions->disable(GL_FRAMEBUFFER_SRGB); |
| } |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_FRAMEBUFFER_SRGB); |
| } |
| } |
| |
| void StateManagerGL::setFramebufferSRGBEnabledForFramebuffer(const gl::Context *context, |
| bool enabled, |
| const FramebufferGL *framebuffer) |
| { |
| if (mFunctions->standard == STANDARD_GL_DESKTOP && framebuffer->isDefault()) |
| { |
| // Obey the framebuffer sRGB state for blending on all framebuffers except the default |
| // framebuffer on Desktop OpenGL. |
| // When SRGB blending is enabled, only SRGB capable formats will use it but the default |
| // framebuffer will always use it if it is enabled. |
| // TODO(geofflang): Update this when the framebuffer binding dirty changes, when it exists. |
| setFramebufferSRGBEnabled(context, false); |
| } |
| else |
| { |
| setFramebufferSRGBEnabled(context, enabled); |
| } |
| } |
| |
| void StateManagerGL::setColorMaskForFramebuffer(bool red, |
| bool green, |
| bool blue, |
| bool alpha, |
| const FramebufferGL *framebuffer) |
| { |
| bool modifiedAlphaMask = alpha; |
| if (framebuffer->hasEmulatedAlphaChannelTextureAttachment()) |
| { |
| modifiedAlphaMask = false; |
| } |
| setColorMask(red, green, blue, modifiedAlphaMask); |
| } |
| |
| void StateManagerGL::setDitherEnabled(bool enabled) |
| { |
| if (mDitherEnabled != enabled) |
| { |
| mDitherEnabled = enabled; |
| if (mDitherEnabled) |
| { |
| mFunctions->enable(GL_DITHER); |
| } |
| else |
| { |
| mFunctions->disable(GL_DITHER); |
| } |
| } |
| } |
| |
| void StateManagerGL::setMultisamplingStateEnabled(bool enabled) |
| { |
| if (mMultisamplingEnabled != enabled) |
| { |
| mMultisamplingEnabled = enabled; |
| if (mMultisamplingEnabled) |
| { |
| mFunctions->enable(GL_MULTISAMPLE_EXT); |
| } |
| else |
| { |
| mFunctions->disable(GL_MULTISAMPLE_EXT); |
| } |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_MULTISAMPLING); |
| } |
| } |
| |
| void StateManagerGL::setSampleAlphaToOneStateEnabled(bool enabled) |
| { |
| if (mSampleAlphaToOneEnabled != enabled) |
| { |
| mSampleAlphaToOneEnabled = enabled; |
| if (mSampleAlphaToOneEnabled) |
| { |
| mFunctions->enable(GL_SAMPLE_ALPHA_TO_ONE); |
| } |
| else |
| { |
| mFunctions->disable(GL_SAMPLE_ALPHA_TO_ONE); |
| } |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_SAMPLE_ALPHA_TO_ONE); |
| } |
| } |
| |
| void StateManagerGL::setCoverageModulation(GLenum components) |
| { |
| if (mCoverageModulation != components) |
| { |
| mCoverageModulation = components; |
| mFunctions->coverageModulationNV(components); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_COVERAGE_MODULATION); |
| } |
| } |
| |
| void StateManagerGL::setPathRenderingModelViewMatrix(const GLfloat *m) |
| { |
| if (memcmp(mPathMatrixMV, m, sizeof(mPathMatrixMV)) != 0) |
| { |
| memcpy(mPathMatrixMV, m, sizeof(mPathMatrixMV)); |
| mFunctions->matrixLoadfEXT(GL_PATH_MODELVIEW_CHROMIUM, m); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PATH_RENDERING); |
| } |
| } |
| |
| void StateManagerGL::setPathRenderingProjectionMatrix(const GLfloat *m) |
| { |
| if (memcmp(mPathMatrixProj, m, sizeof(mPathMatrixProj)) != 0) |
| { |
| memcpy(mPathMatrixProj, m, sizeof(mPathMatrixProj)); |
| mFunctions->matrixLoadfEXT(GL_PATH_PROJECTION_CHROMIUM, m); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PATH_RENDERING); |
| } |
| } |
| |
| void StateManagerGL::setPathRenderingStencilState(GLenum func, GLint ref, GLuint mask) |
| { |
| if (func != mPathStencilFunc || ref != mPathStencilRef || mask != mPathStencilMask) |
| { |
| mPathStencilFunc = func; |
| mPathStencilRef = ref; |
| mPathStencilMask = mask; |
| mFunctions->pathStencilFuncNV(func, ref, mask); |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PATH_RENDERING); |
| } |
| } |
| |
| void StateManagerGL::setProvokingVertex(GLenum mode) |
| { |
| if (mode != mProvokingVertex) |
| { |
| mFunctions->provokingVertex(mode); |
| mProvokingVertex = mode; |
| |
| mLocalDirtyBits.set(gl::State::DIRTY_BIT_PROVOKING_VERTEX); |
| } |
| } |
| |
| void StateManagerGL::setTextureCubemapSeamlessEnabled(bool enabled) |
| { |
| // TODO(jmadill): Also check for seamless extension. |
| if (!mFunctions->isAtLeastGL(gl::Version(3, 2))) |
| { |
| return; |
| } |
| |
| if (mTextureCubemapSeamlessEnabled != enabled) |
| { |
| mTextureCubemapSeamlessEnabled = enabled; |
| if (mTextureCubemapSeamlessEnabled) |
| { |
| mFunctions->enable(GL_TEXTURE_CUBE_MAP_SEAMLESS); |
| } |
| else |
| { |
| mFunctions->disable(GL_TEXTURE_CUBE_MAP_SEAMLESS); |
| } |
| } |
| } |
| |
| void StateManagerGL::propagateProgramToVAO(const gl::Program *program, VertexArrayGL *vao) |
| { |
| if (vao == nullptr) |
| { |
| return; |
| } |
| |
| // Number of views: |
| if (mIsMultiviewEnabled) |
| { |
| int programNumViews = 1; |
| if (program && program->usesMultiview()) |
| { |
| programNumViews = program->getNumViews(); |
| } |
| vao->applyNumViewsToDivisor(programNumViews); |
| } |
| |
| // Attribute enabled mask: |
| if (program) |
| { |
| vao->applyActiveAttribLocationsMask(program->getActiveAttribLocationsMask()); |
| } |
| } |
| |
| void StateManagerGL::updateMultiviewBaseViewLayerIndexUniformImpl( |
| const gl::Program *program, |
| const gl::FramebufferState &drawFramebufferState) const |
| { |
| ASSERT(mIsMultiviewEnabled && program && program->usesMultiview()); |
| const ProgramGL *programGL = GetImplAs<ProgramGL>(program); |
| if (drawFramebufferState.isMultiview()) |
| { |
| programGL->enableLayeredRenderingPath(drawFramebufferState.getBaseViewIndex()); |
| } |
| } |
| |
| void StateManagerGL::syncSamplersState(const gl::Context *context) |
| { |
| const gl::State::SamplerBindingVector &samplers = context->getState().getSamplers(); |
| |
| // This could be optimized by using a separate binding dirty bit per sampler. |
| for (size_t samplerIndex = 0; samplerIndex < samplers.size(); ++samplerIndex) |
| { |
| const gl::Sampler *sampler = samplers[samplerIndex].get(); |
| if (sampler != nullptr) |
| { |
| SamplerGL *samplerGL = GetImplAs<SamplerGL>(sampler); |
| bindSampler(samplerIndex, samplerGL->getSamplerID()); |
| } |
| else |
| { |
| bindSampler(samplerIndex, 0); |
| } |
| } |
| } |
| |
| void StateManagerGL::syncTransformFeedbackState(const gl::Context *context) |
| { |
| // Set the current transform feedback state |
| gl::TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); |
| if (transformFeedback) |
| { |
| TransformFeedbackGL *transformFeedbackGL = |
| GetImplAs<TransformFeedbackGL>(transformFeedback); |
| bindTransformFeedback(GL_TRANSFORM_FEEDBACK, transformFeedbackGL->getTransformFeedbackID()); |
| transformFeedbackGL->syncActiveState(context, transformFeedback->isActive(), |
| transformFeedback->getPrimitiveMode()); |
| transformFeedbackGL->syncPausedState(transformFeedback->isPaused()); |
| mCurrentTransformFeedback = transformFeedbackGL; |
| } |
| else |
| { |
| bindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0); |
| mCurrentTransformFeedback = nullptr; |
| } |
| } |
| |
| void StateManagerGL::validateState() const |
| { |
| // Current program |
| ValidateStateHelper(mFunctions, mProgram, GL_CURRENT_PROGRAM, "mProgram", "GL_CURRENT_PROGRAM"); |
| |
| // Buffers |
| for (gl::BufferBinding bindingType : angle::AllEnums<gl::BufferBinding>()) |
| { |
| // These binding types need compute support to be queried |
| if (bindingType == gl::BufferBinding::AtomicCounter || |
| bindingType == gl::BufferBinding::DispatchIndirect || |
| bindingType == gl::BufferBinding::ShaderStorage) |
| { |
| if (!nativegl::SupportsCompute(mFunctions)) |
| { |
| continue; |
| } |
| } |
| |
| // Transform feedback buffer bindings are tracked in TransformFeedbackGL |
| if (bindingType == gl::BufferBinding::TransformFeedback) |
| { |
| continue; |
| } |
| |
| GLenum bindingTypeGL = nativegl::GetBufferBindingQuery(bindingType); |
| std::string localName = "mBuffers[" + ToString(bindingType) + "]"; |
| ValidateStateHelper(mFunctions, mBuffers[bindingType], bindingTypeGL, localName.c_str(), |
| nativegl::GetBufferBindingString(bindingType).c_str()); |
| } |
| |
| // Vertex array object |
| ValidateStateHelper(mFunctions, mVAO, GL_VERTEX_ARRAY_BINDING, "mVAO", |
| "GL_VERTEX_ARRAY_BINDING"); |
| } |
| |
| } // namespace rx |
