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be367b73ae
Do more math on the CPU to avoid per-fragment ALU operations. Use a mat3x2 instead of mat2x3 to avoid padding. Fixed: dawn:1614 Change-Id: Ib0e0f7d44ed9aa16eaca712f6553214fad141feb Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116060 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Brandon1 Jones <brandon1.jones@intel.com> Commit-Queue: Ben Clayton <bclayton@google.com>
90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
// Copyright 2021 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_DAWN_NATIVE_EXTERNALTEXTURE_H_
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#define SRC_DAWN_NATIVE_EXTERNALTEXTURE_H_
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#include <array>
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#include "dawn/native/Error.h"
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#include "dawn/native/Forward.h"
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#include "dawn/native/ObjectBase.h"
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#include "dawn/native/Subresource.h"
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namespace dawn::native {
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class TextureViewBase;
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struct ExternalTextureParams {
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uint32_t numPlanes;
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// TODO(crbug.com/dawn/1466): Only go as few steps as necessary.
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uint32_t doYuvToRgbConversionOnly;
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std::array<uint32_t, 2> padding;
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std::array<float, 12> yuvToRgbConversionMatrix;
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std::array<float, 8> gammaDecodingParams = {};
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std::array<float, 8> gammaEncodingParams = {};
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std::array<float, 12> gamutConversionMatrix = {};
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std::array<float, 6> coordTransformMatrix = {};
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};
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MaybeError ValidateExternalTextureDescriptor(const DeviceBase* device,
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const ExternalTextureDescriptor* descriptor);
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class ExternalTextureBase : public ApiObjectBase {
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public:
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static ResultOrError<Ref<ExternalTextureBase>> Create(
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DeviceBase* device,
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const ExternalTextureDescriptor* descriptor);
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BufferBase* GetParamsBuffer() const;
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const std::array<Ref<TextureViewBase>, kMaxPlanesPerFormat>& GetTextureViews() const;
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ObjectType GetType() const override;
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const Extent2D& GetVisibleSize() const;
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const Origin2D& GetVisibleOrigin() const;
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MaybeError ValidateCanUseInSubmitNow() const;
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static ExternalTextureBase* MakeError(DeviceBase* device);
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void APIDestroy();
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protected:
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// Constructor used only for mocking and testing.
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explicit ExternalTextureBase(DeviceBase* device);
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void DestroyImpl() override;
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~ExternalTextureBase() override;
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private:
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ExternalTextureBase(DeviceBase* device, const ExternalTextureDescriptor* descriptor);
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enum class ExternalTextureState { Alive, Destroyed };
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ExternalTextureBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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MaybeError Initialize(DeviceBase* device, const ExternalTextureDescriptor* descriptor);
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Ref<TextureBase> mPlaceholderTexture;
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Ref<BufferBase> mParamsBuffer;
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std::array<Ref<TextureViewBase>, kMaxPlanesPerFormat> mTextureViews;
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// TODO(dawn:1082) Use the visible size and origin in the external texture shader
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// code to sample video content.
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Origin2D mVisibleOrigin;
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Extent2D mVisibleSize;
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ExternalTextureState mState;
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};
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} // namespace dawn::native
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#endif // SRC_DAWN_NATIVE_EXTERNALTEXTURE_H_
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