tests/TextureStorageAllocator.cpp - Issue 1673923003: Revert of skia: Add support for CHROMIUM_image backed textures.

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Issue 1673923003: 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, TexImage2D(target, 0, GR_GL_RGBA, width, heigh t, 0, GR_GL_RGBA,

33 GR_GL_UNSIGNED_BYTE, pixels.get()));

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

35 info->fID = id;

36 info->fTarget = target;

37 allocator->m_mostRecentlyAllocatedStorage = id;

38 return GrTextureStorageAllocator::Result::kSucceededWithoutUpload;

39 }

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

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

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

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

44 }

45

46 GrGLuint m_mostRecentlyAllocatedStorage;

47 const GrGLInterface* m_gl;

48 bool m_allowAllocation;

49 };

50

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

52 static const int kWidth = 13;

53 static const int kHeight = 13;

54

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

56 TestStorageAllocator allocator;

57 allocator.m_allowAllocation = true;

58 allocator.m_gl = gl;

59 GrTextureStorageAllocator grAllocator;

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

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

62 grAllocator.fCtx = &allocator;

63

64 SkSurface* surface = SkSurface_Gpu::NewRenderTarget(

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

66 NULL, grAllocator);

67 REPORTER_ASSERT(reporter, surface);

68 GrGLuint id = allocator.m_mostRecentlyAllocatedStorage;

69

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

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

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

73 GrColor dest = 0x11223344;

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

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

76

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

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

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

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

81

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

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

84 }

85

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

87 static const int kWidth = 13;

88 static const int kHeight = 13;

89

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

91 TestStorageAllocator allocator;

92 allocator.m_allowAllocation = false;

93 allocator.m_gl = gl;

94 GrTextureStorageAllocator grAllocator;

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

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

97 grAllocator.fCtx = &allocator;

98 SkSurface* surface = SkSurface_Gpu::NewRenderTarget(

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

100 NULL, grAllocator);

101 REPORTER_ASSERT(reporter, !surface);

102 }

103

104 #endif

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