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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CC_DRAW_QUAD_H_ | 5 #ifndef CC_DRAW_QUAD_H_ |
| 6 #define CC_DRAW_QUAD_H_ | 6 #define CC_DRAW_QUAD_H_ |
| 7 | 7 |
| 8 #include "cc/cc_export.h" | 8 #include "cc/cc_export.h" |
| 9 #include "cc/resource_provider.h" |
| 9 #include "cc/shared_quad_state.h" | 10 #include "cc/shared_quad_state.h" |
| 10 | 11 |
| 11 namespace cc { | 12 namespace cc { |
| 12 | 13 |
| 13 // DrawQuad is a bag of data used for drawing a quad. Because different | 14 // DrawQuad is a bag of data used for drawing a quad. Because different |
| 14 // materials need different bits of per-quad data to render, classes that derive | 15 // materials need different bits of per-quad data to render, classes that derive |
| 15 // from DrawQuad store additional data in their derived instance. The Material | 16 // from DrawQuad store additional data in their derived instance. The Material |
| 16 // enum is used to "safely" downcast to the derived class. | 17 // enum is used to "safely" downcast to the derived class. |
| 17 class CC_EXPORT DrawQuad { | 18 class CC_EXPORT DrawQuad { |
| 18 public: | 19 public: |
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| 64 // efficiency. There is special treatment to reconstruct these pointers | 65 // efficiency. There is special treatment to reconstruct these pointers |
| 65 // during serialization. | 66 // during serialization. |
| 66 const SharedQuadState* shared_quad_state; | 67 const SharedQuadState* shared_quad_state; |
| 67 | 68 |
| 68 bool IsDebugQuad() const { return material == DEBUG_BORDER; } | 69 bool IsDebugQuad() const { return material == DEBUG_BORDER; } |
| 69 bool ShouldDrawWithBlending() const { | 70 bool ShouldDrawWithBlending() const { |
| 70 return needs_blending || shared_quad_state->opacity < 1.0f || | 71 return needs_blending || shared_quad_state->opacity < 1.0f || |
| 71 !opaque_rect.Contains(visible_rect); | 72 !opaque_rect.Contains(visible_rect); |
| 72 } | 73 } |
| 73 | 74 |
| 75 virtual void AppendResources(ResourceProvider::ResourceIdArray* resources); |
| 76 |
| 74 protected: | 77 protected: |
| 75 DrawQuad(); | 78 DrawQuad(); |
| 76 | 79 |
| 77 void SetAll(const SharedQuadState* shared_quad_state, | 80 void SetAll(const SharedQuadState* shared_quad_state, |
| 78 Material material, | 81 Material material, |
| 79 gfx::Rect rect, | 82 gfx::Rect rect, |
| 80 gfx::Rect opaque_rect, | 83 gfx::Rect opaque_rect, |
| 81 gfx::Rect visible_rect, | 84 gfx::Rect visible_rect, |
| 82 bool needs_blending); | 85 bool needs_blending); |
| 83 }; | 86 }; |
| 84 | 87 |
| 85 } | 88 } |
| 86 | 89 |
| 87 #endif // CC_DRAW_QUAD_H_ | 90 #endif // CC_DRAW_QUAD_H_ |
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