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Side by Side Diff: tests/TextureStorageAllocator.cpp

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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