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Side by Side Diff: cc/layer_texture_updater.h

Issue 11150025: Patch from https://codereview.chromium.org/11111005/ without actual file deletes (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 5
6 #ifndef LayerTextureUpdater_h 6 #ifndef LayerTextureUpdater_h
7 #define LayerTextureUpdater_h 7 #define LayerTextureUpdater_h
8 8
9 #include "third_party/khronos/GLES2/gl2.h"
9 #include "CCPrioritizedTexture.h" 10 #include "CCPrioritizedTexture.h"
10 #include "GraphicsTypes3D.h"
11 #include <wtf/RefCounted.h> 11 #include <wtf/RefCounted.h>
12 12
13 namespace cc { 13 namespace cc {
14 14
15 class IntRect; 15 class IntRect;
16 class IntSize; 16 class IntSize;
17 class TextureManager; 17 class TextureManager;
18 struct CCRenderingStats; 18 struct CCRenderingStats;
19 class CCTextureUpdateQueue; 19 class CCTextureUpdateQueue;
20 20
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47 enum SampledTexelFormat { 47 enum SampledTexelFormat {
48 SampledTexelFormatRGBA, 48 SampledTexelFormatRGBA,
49 SampledTexelFormatBGRA, 49 SampledTexelFormatBGRA,
50 SampledTexelFormatInvalid, 50 SampledTexelFormatInvalid,
51 }; 51 };
52 virtual PassOwnPtr<Texture> createTexture(CCPrioritizedTextureManager*) = 0; 52 virtual PassOwnPtr<Texture> createTexture(CCPrioritizedTextureManager*) = 0;
53 // Returns the format of the texel uploaded by this interface. 53 // Returns the format of the texel uploaded by this interface.
54 // This format should not be confused by texture internal format. 54 // This format should not be confused by texture internal format.
55 // This format specifies the component order in the sampled texel. 55 // This format specifies the component order in the sampled texel.
56 // If the format is TexelFormatBGRA, vec4.x is blue and vec4.z is red. 56 // If the format is TexelFormatBGRA, vec4.x is blue and vec4.z is red.
57 virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat) = 0; 57 virtual SampledTexelFormat sampledTexelFormat(GLenum textureFormat) = 0;
58 // The |resultingOpaqueRect| gives back a region of the layer that was paint ed opaque. If the layer is marked opaque in the updater, 58 // The |resultingOpaqueRect| gives back a region of the layer that was paint ed opaque. If the layer is marked opaque in the updater,
59 // then this region should be ignored in preference for the entire layer's a rea. 59 // then this region should be ignored in preference for the entire layer's a rea.
60 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa queRect, CCRenderingStats&) { } 60 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa queRect, CCRenderingStats&) { }
61 61
62 // Set true by the layer when it is known that the entire output is going to be opaque. 62 // Set true by the layer when it is known that the entire output is going to be opaque.
63 virtual void setOpaque(bool) { } 63 virtual void setOpaque(bool) { }
64 }; 64 };
65 65
66 } // namespace cc 66 } // namespace cc
67 #endif // LayerTextureUpdater_h 67 #endif // LayerTextureUpdater_h
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