e2dd14c8820c2b611e81c9bd97b6dc302b4d6cf8
[platform/upstream/libSkiaSharp.git] / src / gpu / gl / GrGLTextureRenderTarget.h
1 /*
2  * Copyright 2014 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7
8
9 #ifndef GrGLTextureRenderTarget_DEFINED
10 #define GrGLTextureRenderTarget_DEFINED
11
12 #include "GrGLTexture.h"
13 #include "GrGLRenderTarget.h"
14
15 class GrGLGpu;
16
17 #ifdef SK_BUILD_FOR_WIN
18 // Windows gives bogus warnings about inheriting asTexture/asRenderTarget via dominance.
19 #pragma warning(push)
20 #pragma warning(disable: 4250)
21 #endif
22
23 class GrGLTextureRenderTarget : public GrGLTexture, public GrGLRenderTarget {
24 public:
25     // We're virtually derived from GrSurface (via both GrGLTexture and GrGLRenderTarget) so its
26     // constructor must be explicitly called.
27     GrGLTextureRenderTarget(GrGLGpu* gpu,
28                             const GrSurfaceDesc& desc,
29                             const GrGLTexture::IDDesc& texIDDesc,
30                             const GrGLRenderTarget::IDDesc& rtIDDesc)
31         : GrSurface(gpu, texIDDesc.fLifeCycle, desc)
32         , GrGLTexture(gpu, desc, texIDDesc, GrGLTexture::kDerived)
33         , GrGLRenderTarget(gpu, desc, rtIDDesc, GrGLRenderTarget::kDerived) {
34         this->registerWithCache();
35     }
36
37 protected:
38     void onAbandon() SK_OVERRIDE {
39         GrGLRenderTarget::onAbandon();
40         GrGLTexture::onAbandon();
41     }
42
43     void onRelease() SK_OVERRIDE {
44         GrGLRenderTarget::onRelease();
45         GrGLTexture::onRelease();
46     }
47
48 private:
49     // GrGLRenderTarget accounts for the texture's memory and any MSAA renderbuffer's memory.
50     size_t onGpuMemorySize() const SK_OVERRIDE {
51         return GrGLRenderTarget::onGpuMemorySize();
52     }
53
54 };
55
56 #ifdef SK_BUILD_FOR_WIN
57 #pragma warning(pop)
58 #endif
59
60 #endif