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Side by Side Diff: include/gpu/GrRenderTarget.h

Issue 19449002: Replace all instances of GrRect with SkRect. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 5 months ago
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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 #ifndef GrRenderTarget_DEFINED 8 #ifndef GrRenderTarget_DEFINED
9 #define GrRenderTarget_DEFINED 9 #define GrRenderTarget_DEFINED
10 10
11 #include "GrRect.h"
12 #include "GrSurface.h" 11 #include "GrSurface.h"
12 #include "SkRect.h"
13 13
14 class GrStencilBuffer; 14 class GrStencilBuffer;
15 class GrTexture; 15 class GrTexture;
16 16
17 /** 17 /**
18 * GrRenderTarget represents a 2D buffer of pixels that can be rendered to. 18 * GrRenderTarget represents a 2D buffer of pixels that can be rendered to.
19 * A context's render target is set by setRenderTarget(). Render targets are 19 * A context's render target is set by setRenderTarget(). Render targets are
20 * created by a createTexture with the kRenderTarget_TextureFlag flag. 20 * created by a createTexture with the kRenderTarget_TextureFlag flag.
21 * Additionally, GrContext provides methods for creating GrRenderTargets 21 * Additionally, GrContext provides methods for creating GrRenderTargets
22 * that wrap externally created render targets. 22 * that wrap externally created render targets.
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83 /** 83 /**
84 * Call to indicate the multisample contents were modified such that the 84 * Call to indicate the multisample contents were modified such that the
85 * render target needs to be resolved before it can be used as texture. Gr 85 * render target needs to be resolved before it can be used as texture. Gr
86 * tracks this for its own drawing and thus this only needs to be called 86 * tracks this for its own drawing and thus this only needs to be called
87 * when the render target has been modified outside of Gr. This has no 87 * when the render target has been modified outside of Gr. This has no
88 * effect on wrapped backend render targets. 88 * effect on wrapped backend render targets.
89 * 89 *
90 * @param rect a rect bounding the area needing resolve. NULL indicates 90 * @param rect a rect bounding the area needing resolve. NULL indicates
91 * the whole RT needs resolving. 91 * the whole RT needs resolving.
92 */ 92 */
93 void flagAsNeedingResolve(const GrIRect* rect = NULL); 93 void flagAsNeedingResolve(const SkIRect* rect = NULL);
94 94
95 /** 95 /**
96 * Call to override the region that needs to be resolved. 96 * Call to override the region that needs to be resolved.
97 */ 97 */
98 void overrideResolveRect(const GrIRect rect); 98 void overrideResolveRect(const SkIRect rect);
99 99
100 /** 100 /**
101 * Call to indicate that GrRenderTarget was externally resolved. This may 101 * Call to indicate that GrRenderTarget was externally resolved. This may
102 * allow Gr to skip a redundant resolve step. 102 * allow Gr to skip a redundant resolve step.
103 */ 103 */
104 void flagAsResolved() { fResolveRect.setLargestInverted(); } 104 void flagAsResolved() { fResolveRect.setLargestInverted(); }
105 105
106 /** 106 /**
107 * @return true if the GrRenderTarget requires MSAA resolving 107 * @return true if the GrRenderTarget requires MSAA resolving
108 */ 108 */
109 bool needsResolve() const { return !fResolveRect.isEmpty(); } 109 bool needsResolve() const { return !fResolveRect.isEmpty(); }
110 110
111 /** 111 /**
112 * Returns a rect bounding the region needing resolving. 112 * Returns a rect bounding the region needing resolving.
113 */ 113 */
114 const GrIRect& getResolveRect() const { return fResolveRect; } 114 const SkIRect& getResolveRect() const { return fResolveRect; }
115 115
116 /** 116 /**
117 * If the render target is multisampled this will perform a multisample 117 * If the render target is multisampled this will perform a multisample
118 * resolve. Any pending draws to the target are first flushed. This only 118 * resolve. Any pending draws to the target are first flushed. This only
119 * applies to render targets that are associated with GrTextures. After the 119 * applies to render targets that are associated with GrTextures. After the
120 * function returns the GrTexture will contain the resolved pixels. 120 * function returns the GrTexture will contain the resolved pixels.
121 */ 121 */
122 void resolve(); 122 void resolve();
123 123
124 // a MSAA RT may require explicit resolving , it may auto-resolve (e.g. FBO 124 // a MSAA RT may require explicit resolving , it may auto-resolve (e.g. FBO
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156 friend class GrTexture; 156 friend class GrTexture;
157 // called by ~GrTexture to remove the non-ref'ed back ptr. 157 // called by ~GrTexture to remove the non-ref'ed back ptr.
158 void owningTextureDestroyed() { 158 void owningTextureDestroyed() {
159 GrAssert(NULL != fTexture); 159 GrAssert(NULL != fTexture);
160 fTexture = NULL; 160 fTexture = NULL;
161 } 161 }
162 162
163 GrStencilBuffer* fStencilBuffer; 163 GrStencilBuffer* fStencilBuffer;
164 GrTexture* fTexture; // not ref'ed 164 GrTexture* fTexture; // not ref'ed
165 165
166 GrIRect fResolveRect; 166 SkIRect fResolveRect;
167 167
168 typedef GrSurface INHERITED; 168 typedef GrSurface INHERITED;
169 }; 169 };
170 170
171 #endif 171 #endif
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