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Diffstat (limited to '')
-rw-r--r-- | gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp new file mode 100644 index 0000000000..1dcd62cd45 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/TransformFeedback11.cpp @@ -0,0 +1,131 @@ +// +// Copyright 2014 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. +// + +// TransformFeedbackD3D.cpp is a no-op implementation for both the D3D9 and D3D11 renderers. + +#include "libANGLE/renderer/d3d/d3d11/TransformFeedback11.h" + +#include "libANGLE/Buffer.h" +#include "libANGLE/renderer/d3d/d3d11/Buffer11.h" +#include "libANGLE/renderer/d3d/d3d11/Renderer11.h" + +namespace rx +{ + +TransformFeedback11::TransformFeedback11(const gl::TransformFeedbackState &state, + Renderer11 *renderer) + : TransformFeedbackImpl(state), + mRenderer(renderer), + mIsDirty(true), + mBuffers(state.getIndexedBuffers().size(), nullptr), + mBufferOffsets(state.getIndexedBuffers().size(), 0), + mSerial(mRenderer->generateSerial()) +{} + +TransformFeedback11::~TransformFeedback11() {} + +angle::Result TransformFeedback11::begin(const gl::Context *context, + gl::PrimitiveMode primitiveMode) +{ + // Reset all the cached offsets to the binding offsets + mIsDirty = true; + for (size_t bindingIdx = 0; bindingIdx < mBuffers.size(); bindingIdx++) + { + const auto &binding = mState.getIndexedBuffer(bindingIdx); + if (binding.get() != nullptr) + { + mBufferOffsets[bindingIdx] = static_cast<UINT>(binding.getOffset()); + } + else + { + mBufferOffsets[bindingIdx] = 0; + } + } + mRenderer->getStateManager()->invalidateTransformFeedback(); + return angle::Result::Continue; +} + +angle::Result TransformFeedback11::end(const gl::Context *context) +{ + mRenderer->getStateManager()->invalidateTransformFeedback(); + if (mRenderer->getFeatures().flushAfterEndingTransformFeedback.enabled) + { + mRenderer->getDeviceContext()->Flush(); + } + return angle::Result::Continue; +} + +angle::Result TransformFeedback11::pause(const gl::Context *context) +{ + mRenderer->getStateManager()->invalidateTransformFeedback(); + return angle::Result::Continue; +} + +angle::Result TransformFeedback11::resume(const gl::Context *context) +{ + mRenderer->getStateManager()->invalidateTransformFeedback(); + return angle::Result::Continue; +} + +angle::Result TransformFeedback11::bindIndexedBuffer( + const gl::Context *context, + size_t index, + const gl::OffsetBindingPointer<gl::Buffer> &binding) +{ + mIsDirty = true; + mBufferOffsets[index] = static_cast<UINT>(binding.getOffset()); + mRenderer->getStateManager()->invalidateTransformFeedback(); + return angle::Result::Continue; +} + +void TransformFeedback11::onApply() +{ + mIsDirty = false; + + // Change all buffer offsets to -1 so that if any of them need to be re-applied, the are set to + // append + std::fill(mBufferOffsets.begin(), mBufferOffsets.end(), -1); +} + +bool TransformFeedback11::isDirty() const +{ + return mIsDirty; +} + +UINT TransformFeedback11::getNumSOBuffers() const +{ + return static_cast<UINT>(mBuffers.size()); +} + +angle::Result TransformFeedback11::getSOBuffers(const gl::Context *context, + const std::vector<ID3D11Buffer *> **buffersOut) +{ + for (size_t bindingIdx = 0; bindingIdx < mBuffers.size(); bindingIdx++) + { + const auto &binding = mState.getIndexedBuffer(bindingIdx); + if (binding.get() != nullptr) + { + Buffer11 *storage = GetImplAs<Buffer11>(binding.get()); + ANGLE_TRY(storage->getBuffer(context, BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, + &mBuffers[bindingIdx])); + } + } + + *buffersOut = &mBuffers; + return angle::Result::Continue; +} + +const std::vector<UINT> &TransformFeedback11::getSOBufferOffsets() const +{ + return mBufferOffsets; +} + +Serial TransformFeedback11::getSerial() const +{ + return mSerial; +} + +} // namespace rx |