tests/TextureStorageAllocator.cpp - Issue 1684993002: Revert of skia: Add support for CHROMIUM_image backed textures.

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Issue 1684993002: Revert of skia: Add support for CHROMIUM_image backed textures. (Closed) Base URL: https://chromium.googlesource.com/skia.git@master

Patch Set: Created 4 years, 10 months ago

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1 /*

2 * Copyright 2016 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 #include "Test.h"

9 #if SK_SUPPORT_GPU

10 #include "gl/GrGLGpu.h"

11 #include "GrContext.h"

12 #include "SkSurface_Gpu.h"

13 #include "../include/gpu/gl/SkGLContext.h"

14 #include "../include/gpu/GrTypes.h"

15 #include "../include/private/SkTemplates.h"

16

17 class TestStorageAllocator {

18 public:

19 static GrTextureStorageAllocator::Result allocateTextureStorage(void* ctx,

20 GrBackendObject texture, unsigned width, unsigned height, GrPixelConfi g config,

21 const void* srcData, GrSurfaceOrigin) {

22 TestStorageAllocator* allocator = static_cast<TestStorageAllocator*>(ctx);

23 if (!allocator->m_allowAllocation)

24 return GrTextureStorageAllocator::Result::kFailed;

25 SkAutoTMalloc<uint8_t> pixels(width * height * 4);

26 memset(pixels.get(), 0, width * height * 4);

27

28 GrGLuint id;

29 GrGLenum target = GR_GL_TEXTURE_2D;

30 GR_GL_CALL(allocator->m_gl, GenTextures(1, &id));

31 GR_GL_CALL(allocator->m_gl, BindTexture(target, id));

32 GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_MAG_FILTER , GR_GL_NEAREST));

33 GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_MIN_FILTER , GR_GL_NEAREST));

34 GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_WRAP_S, GR _GL_CLAMP_TO_EDGE));

35 GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_WRAP_T, GR _GL_CLAMP_TO_EDGE));

36 GR_GL_CALL(allocator->m_gl, TexImage2D(target, 0, GR_GL_RGBA, width, heigh t, 0, GR_GL_RGBA,

37 GR_GL_UNSIGNED_BYTE, pixels.get()));

38

39 GrGLTextureInfo* info = reinterpret_cast<GrGLTextureInfo*>(texture);

40 info->fID = id;

41 info->fTarget = target;

42 allocator->m_mostRecentlyAllocatedStorage = id;

43 return GrTextureStorageAllocator::Result::kSucceededWithoutUpload;

44 }

45 static void deallocateTextureStorage(void* ctx, GrBackendObject texture) {

46 TestStorageAllocator* allocator = static_cast<TestStorageAllocator*>(ctx);

47 GrGLTextureInfo* info = reinterpret_cast<GrGLTextureInfo*>(texture);

48 GR_GL_CALL(allocator->m_gl, DeleteTextures(1, &(info->fID)));

49 }

50

51 GrGLuint m_mostRecentlyAllocatedStorage;

52 const GrGLInterface* m_gl;

53 bool m_allowAllocation;

54 };

55

56 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CustomTexture, reporter, context, glContext) {

57 static const int kWidth = 13;

58 static const int kHeight = 13;

59

60 const GrGLInterface* gl = glContext->gl();

61 TestStorageAllocator allocator;

62 allocator.m_allowAllocation = true;

63 allocator.m_gl = gl;

64 GrTextureStorageAllocator grAllocator;

65 grAllocator.fAllocateTextureStorage = &TestStorageAllocator::allocateTexture Storage;

66 grAllocator.fDeallocateTextureStorage= &TestStorageAllocator::deallocateText ureStorage;

67 grAllocator.fCtx = &allocator;

68

69 SkSurface* surface = SkSurface_Gpu::NewRenderTarget(

70 context, SkSurface_Gpu::kNo_Budgeted, SkImageInfo::MakeN32Premul(kWi dth, kHeight), 0,

71 NULL, grAllocator);

72 REPORTER_ASSERT(reporter, surface);

73 GrGLuint id = allocator.m_mostRecentlyAllocatedStorage;

74

75 SkImage* image = surface->newImageSnapshot();

76 REPORTER_ASSERT(reporter, image->isTextureBacked());

77 SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(1,1);

78 GrColor dest = 0x11223344;

79 REPORTER_ASSERT(reporter, image->readPixels(imageInfo, &dest, 4 * kWidth, 0, 0));

80 REPORTER_ASSERT(reporter, GrColorUnpackG(dest) == 0);

81

82 surface->getCanvas()->clear(SK_ColorGREEN);

83 SkImage* image2 = surface->newImageSnapshot();

84 REPORTER_ASSERT(reporter, image2->isTextureBacked());

85 REPORTER_ASSERT(reporter, allocator.m_mostRecentlyAllocatedStorage != id);

86

87 REPORTER_ASSERT(reporter, image2->readPixels(imageInfo, &dest, 4 * kWidth, 0 , 0));

88 REPORTER_ASSERT(reporter, GrColorUnpackG(dest) == 255);

89 }

90

91 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CustomTextureFailure, reporter, context, glCo ntext) {

92 static const int kWidth = 13;

93 static const int kHeight = 13;

94

95 const GrGLInterface* gl = glContext->gl();

96 TestStorageAllocator allocator;

97 allocator.m_allowAllocation = false;

98 allocator.m_gl = gl;

99 GrTextureStorageAllocator grAllocator;

100 grAllocator.fAllocateTextureStorage = &TestStorageAllocator::allocateTexture Storage;

101 grAllocator.fDeallocateTextureStorage= &TestStorageAllocator::deallocateText ureStorage;

102 grAllocator.fCtx = &allocator;

103 SkSurface* surface = SkSurface_Gpu::NewRenderTarget(

104 context, SkSurface_Gpu::kNo_Budgeted, SkImageInfo::MakeN32Premul(kWi dth, kHeight), 0,

105 NULL, grAllocator);

106 REPORTER_ASSERT(reporter, !surface);

107 }

108

109 #endif

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