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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #ifndef GrGLRenderTarget_DEFINED | 9 #ifndef GrGLRenderTarget_DEFINED |
10 #define GrGLRenderTarget_DEFINED | 10 #define GrGLRenderTarget_DEFINED |
11 | 11 |
12 #include "GrGLIRect.h" | 12 #include "GrGLIRect.h" |
13 #include "GrRenderTarget.h" | 13 #include "GrRenderTarget.h" |
14 #include "SkScalar.h" | 14 #include "SkScalar.h" |
15 | 15 |
16 class GrGLGpu; | 16 class GrGLGpu; |
| 17 class GrGLStencilAttachment; |
17 | 18 |
18 class GrGLRenderTarget : public GrRenderTarget { | 19 class GrGLRenderTarget : public GrRenderTarget { |
19 public: | 20 public: |
20 // set fTexFBOID to this value to indicate that it is multisampled but | 21 // set fTexFBOID to this value to indicate that it is multisampled but |
21 // Gr doesn't know how to resolve it. | 22 // Gr doesn't know how to resolve it. |
22 enum { kUnresolvableFBOID = 0 }; | 23 enum { kUnresolvableFBOID = 0 }; |
23 | 24 |
24 struct IDDesc { | 25 struct IDDesc { |
25 GrGLuint fRTFBOID; | 26 GrGLuint fRTFBOID; |
26 GrGLuint fTexFBOID; | 27 GrGLuint fTexFBOID; |
27 GrGLuint fMSColorRenderbufferID; | 28 GrGLuint fMSColorRenderbufferID; |
28 GrGpuResource::LifeCycle fLifeCycle; | 29 GrGpuResource::LifeCycle fLifeCycle; |
29 GrRenderTarget::SampleConfig fSampleConfig; | 30 GrRenderTarget::SampleConfig fSampleConfig; |
30 }; | 31 }; |
31 | 32 |
32 GrGLRenderTarget(GrGLGpu*, const GrSurfaceDesc&, const IDDesc&); | 33 static GrGLRenderTarget* CreateWrapped(GrGLGpu*, |
| 34 const GrSurfaceDesc&, |
| 35 const IDDesc&, |
| 36 int stencilBits); |
33 | 37 |
34 void setViewport(const GrGLIRect& rect) { fViewport = rect; } | 38 void setViewport(const GrGLIRect& rect) { fViewport = rect; } |
35 const GrGLIRect& getViewport() const { return fViewport; } | 39 const GrGLIRect& getViewport() const { return fViewport; } |
36 | 40 |
37 // The following two functions return the same ID when a | 41 // The following two functions return the same ID when a |
38 // texture/render target is multisampled, and different IDs when | 42 // texture/render target is multisampled, and different IDs when |
39 // it is. | 43 // it is. |
40 // FBO ID used to render into | 44 // FBO ID used to render into |
41 GrGLuint renderFBOID() const { return fRTFBOID; } | 45 GrGLuint renderFBOID() const { return fRTFBOID; } |
42 // FBO ID that has texture ID attached. | 46 // FBO ID that has texture ID attached. |
(...skipping 28 matching lines...) Expand all Loading... |
71 | 75 |
72 void init(const GrSurfaceDesc&, const IDDesc&); | 76 void init(const GrSurfaceDesc&, const IDDesc&); |
73 | 77 |
74 void onAbandon() override; | 78 void onAbandon() override; |
75 void onRelease() override; | 79 void onRelease() override; |
76 | 80 |
77 // In protected because subclass GrGLTextureRenderTarget calls this version. | 81 // In protected because subclass GrGLTextureRenderTarget calls this version. |
78 size_t onGpuMemorySize() const override; | 82 size_t onGpuMemorySize() const override; |
79 | 83 |
80 private: | 84 private: |
| 85 // This ctor is used only for creating wrapped render targets and is only ca
lled for the static |
| 86 // create function CreateWrapped(...). |
| 87 GrGLRenderTarget(GrGLGpu*, const GrSurfaceDesc&, const IDDesc&, GrGLStencilA
ttachment*); |
| 88 |
| 89 GrGLGpu* getGLGpu() const; |
| 90 bool completeStencilAttachment() override; |
| 91 |
81 GrGLuint fRTFBOID; | 92 GrGLuint fRTFBOID; |
82 GrGLuint fTexFBOID; | 93 GrGLuint fTexFBOID; |
83 GrGLuint fMSColorRenderbufferID; | 94 GrGLuint fMSColorRenderbufferID; |
84 | 95 |
85 // We track this separately from GrGpuResource because this may be both a te
xture and a render | 96 // We track this separately from GrGpuResource because this may be both a te
xture and a render |
86 // target, and the texture may be wrapped while the render target is not. | 97 // target, and the texture may be wrapped while the render target is not. |
87 LifeCycle fRTLifecycle; | 98 LifeCycle fRTLifecycle; |
88 | 99 |
89 // when we switch to this render target we want to set the viewport to | 100 // when we switch to this render target we want to set the viewport to |
90 // only render to content area (as opposed to the whole allocation) and | 101 // only render to content area (as opposed to the whole allocation) and |
91 // we want the rendering to be at top left (GL has origin in bottom left) | 102 // we want the rendering to be at top left (GL has origin in bottom left) |
92 GrGLIRect fViewport; | 103 GrGLIRect fViewport; |
93 | 104 |
94 // onGpuMemorySize() needs to know the VRAM footprint of the FBO(s). However
, abandon and | 105 // onGpuMemorySize() needs to know the VRAM footprint of the FBO(s). However
, abandon and |
95 // release zero out the IDs and the cache needs to know the size even after
those actions. | 106 // release zero out the IDs and the cache needs to know the size even after
those actions. |
96 size_t fGpuMemorySize; | 107 size_t fGpuMemorySize; |
97 | 108 |
98 typedef GrRenderTarget INHERITED; | 109 typedef GrRenderTarget INHERITED; |
99 }; | 110 }; |
100 | 111 |
101 #endif | 112 #endif |
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