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//
// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Clear11.h: Framebuffer clear utility class.
#ifndef LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
#define LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
#include <map>
#include <vector>
#include "libANGLE/angletypes.h"
#include "libANGLE/Error.h"
#include "libANGLE/Framebuffer.h"
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
namespace rx
{
class Renderer11;
class RenderTarget11;
struct ClearParameters;
template <typename T>
struct RtvDsvClearInfo
{
T r, g, b, a;
float z;
float c1padding[3];
};
class Clear11 : angle::NonCopyable
{
public:
explicit Clear11(Renderer11 *renderer);
~Clear11();
// Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is currently applied.
gl::Error clearFramebuffer(const gl::Context *context,
const ClearParameters &clearParams,
const gl::FramebufferState &fboData);
private:
class ShaderManager final : angle::NonCopyable
{
public:
ShaderManager();
~ShaderManager();
gl::Error getShadersAndLayout(Renderer11 *renderer,
const INT clearType,
const uint32_t numRTs,
const bool hasLayeredLayout,
const d3d11::InputLayout **il,
const d3d11::VertexShader **vs,
const d3d11::GeometryShader **gs,
const d3d11::PixelShader **ps);
private:
constexpr static size_t kNumShaders = D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
d3d11::InputLayout mIl9;
d3d11::LazyShader<ID3D11VertexShader> mVs9;
d3d11::LazyShader<ID3D11PixelShader> mPsFloat9;
d3d11::LazyShader<ID3D11VertexShader> mVs;
d3d11::LazyShader<ID3D11VertexShader> mVsMultiview;
d3d11::LazyShader<ID3D11GeometryShader> mGsMultiview;
d3d11::LazyShader<ID3D11PixelShader> mPsDepth;
std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsFloat;
std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsUInt;
std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsSInt;
};
bool useVertexBuffer() const;
gl::Error ensureConstantBufferCreated();
gl::Error ensureVertexBufferCreated();
gl::Error ensureResourcesInitialized();
Renderer11 *mRenderer;
bool mResourcesInitialized;
// States
d3d11::RasterizerState mScissorEnabledRasterizerState;
d3d11::RasterizerState mScissorDisabledRasterizerState;
gl::DepthStencilState mDepthStencilStateKey;
d3d11::BlendStateKey mBlendStateKey;
// Shaders and shader resources
ShaderManager mShaderManager;
d3d11::Buffer mConstantBuffer;
d3d11::Buffer mVertexBuffer;
// Buffer data and draw parameters
RtvDsvClearInfo<float> mShaderData;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
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