1 //
2 // Copyright 2014 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 // Framebuffer11.h: Defines the Framebuffer11 class.
8 
9 #ifndef LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
10 #define LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
11 
12 #include "libANGLE/renderer/d3d/FramebufferD3D.h"
13 #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
14 #include "libANGLE/signal_utils.h"
15 
16 namespace rx
17 {
18 class Renderer11;
19 
20 class Framebuffer11 : public FramebufferD3D, public angle::ObserverInterface
21 {
22   public:
23     Framebuffer11(const gl::FramebufferState &data, Renderer11 *renderer);
24     ~Framebuffer11() override;
25 
26     gl::Error discard(const gl::Context *context, size_t count, const GLenum *attachments) override;
27     gl::Error invalidate(const gl::Context *context,
28                          size_t count,
29                          const GLenum *attachments) override;
30     gl::Error invalidateSub(const gl::Context *context,
31                             size_t count,
32                             const GLenum *attachments,
33                             const gl::Rectangle &area) override;
34 
35     // Invalidate the cached swizzles of all bound texture attachments.
36     gl::Error markAttachmentsDirty(const gl::Context *context) const;
37 
38     void syncState(const gl::Context *context,
39                    const gl::Framebuffer::DirtyBits &dirtyBits) override;
40 
getCachedColorRenderTargets()41     const RenderTargetArray &getCachedColorRenderTargets() const
42     {
43         return mCachedColorRenderTargets;
44     }
getCachedDepthStencilRenderTarget()45     const RenderTarget11 *getCachedDepthStencilRenderTarget() const
46     {
47         return mCachedDepthStencilRenderTarget;
48     }
49 
50     RenderTarget11 *getFirstRenderTarget() const;
51 
52     bool hasAnyInternalDirtyBit() const;
53     void syncInternalState(const gl::Context *context);
54 
55     // Observer implementation.
56     void onSubjectStateChange(const gl::Context *context,
57                               angle::SubjectIndex index,
58                               angle::SubjectMessage message) override;
59 
60     gl::Error getSamplePosition(size_t index, GLfloat *xy) const override;
61 
62   private:
63     gl::Error clearImpl(const gl::Context *context, const ClearParameters &clearParams) override;
64 
65     gl::Error readPixelsImpl(const gl::Context *context,
66                              const gl::Rectangle &area,
67                              GLenum format,
68                              GLenum type,
69                              size_t outputPitch,
70                              const gl::PixelPackState &pack,
71                              uint8_t *pixels) override;
72 
73     gl::Error blitImpl(const gl::Context *context,
74                        const gl::Rectangle &sourceArea,
75                        const gl::Rectangle &destArea,
76                        const gl::Rectangle *scissor,
77                        bool blitRenderTarget,
78                        bool blitDepth,
79                        bool blitStencil,
80                        GLenum filter,
81                        const gl::Framebuffer *sourceFramebuffer) override;
82 
83     gl::Error invalidateBase(const gl::Context *context,
84                              size_t count,
85                              const GLenum *attachments,
86                              bool useEXTBehavior) const;
87     gl::Error invalidateAttachment(const gl::Context *context,
88                                    const gl::FramebufferAttachment *attachment) const;
89 
90     GLenum getRenderTargetImplementationFormat(RenderTargetD3D *renderTarget) const override;
91 
92     void updateColorRenderTarget(const gl::Context *context, size_t colorIndex);
93     void updateDepthStencilRenderTarget(const gl::Context *context);
94 
95     Renderer11 *const mRenderer;
96     RenderTargetArray mCachedColorRenderTargets;
97     RenderTarget11 *mCachedDepthStencilRenderTarget;
98 
99     std::vector<angle::ObserverBinding> mColorRenderTargetsDirty;
100     angle::ObserverBinding mDepthStencilRenderTargetDirty;
101 
102     gl::Framebuffer::DirtyBits mInternalDirtyBits;
103 };
104 
105 }
106 
107 #endif // LIBANGLE_RENDERER_D3D_D3D11_FRAMBUFFER11_H_
108