1 // 2 // Copyright 2013 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // Clear11.h: Framebuffer clear utility class. 8 9 #ifndef LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_ 10 #define LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_ 11 12 #include <map> 13 #include <vector> 14 15 #include "libANGLE/Error.h" 16 #include "libANGLE/Framebuffer.h" 17 #include "libANGLE/angletypes.h" 18 #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h" 19 20 namespace rx 21 { 22 class Renderer11; 23 class RenderTarget11; 24 struct ClearParameters; 25 26 template <typename T> 27 struct RtvDsvClearInfo 28 { 29 T r, g, b, a; 30 float z; 31 float c1padding[3]; 32 }; 33 34 class Clear11 : angle::NonCopyable 35 { 36 public: 37 explicit Clear11(Renderer11 *renderer); 38 ~Clear11(); 39 40 // Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is 41 // currently applied. 42 angle::Result clearFramebuffer(const gl::Context *context, 43 const ClearParameters &clearParams, 44 const gl::FramebufferState &fboData); 45 46 private: 47 class ShaderManager final : angle::NonCopyable 48 { 49 public: 50 ShaderManager(); 51 ~ShaderManager(); 52 angle::Result getShadersAndLayout(const gl::Context *context, 53 Renderer11 *renderer, 54 const INT clearType, 55 const uint32_t numRTs, 56 const bool hasLayeredLayout, 57 const d3d11::InputLayout **il, 58 const d3d11::VertexShader **vs, 59 const d3d11::GeometryShader **gs, 60 const d3d11::PixelShader **ps); 61 62 private: 63 constexpr static size_t kNumShaders = D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT; 64 65 d3d11::LazyShader<ID3D11VertexShader> mVs; 66 d3d11::LazyShader<ID3D11VertexShader> mVsMultiview; 67 d3d11::LazyShader<ID3D11GeometryShader> mGsMultiview; 68 d3d11::LazyShader<ID3D11PixelShader> mPsDepth; 69 std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsFloat; 70 std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsUInt; 71 std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsSInt; 72 }; 73 74 bool useVertexBuffer() const; 75 angle::Result ensureConstantBufferCreated(const gl::Context *context); 76 angle::Result ensureVertexBufferCreated(const gl::Context *context); 77 angle::Result ensureResourcesInitialized(const gl::Context *context); 78 79 Renderer11 *mRenderer; 80 bool mResourcesInitialized; 81 82 // States 83 d3d11::RasterizerState mScissorEnabledRasterizerState; 84 d3d11::RasterizerState mScissorDisabledRasterizerState; 85 gl::DepthStencilState mDepthStencilStateKey; 86 d3d11::BlendStateKey mBlendStateKey; 87 88 // Shaders and shader resources 89 ShaderManager mShaderManager; 90 d3d11::Buffer mConstantBuffer; 91 d3d11::Buffer mVertexBuffer; 92 93 // Buffer data and draw parameters 94 RtvDsvClearInfo<float> mShaderData; 95 }; 96 97 } // namespace rx 98 99 #endif // LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_ 100