| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Test.h" |
| #if SK_SUPPORT_GPU |
| #include "gl/GrGLGpu.h" |
| #include "GrContext.h" |
| #include "SkSurface_Gpu.h" |
| #include "../include/gpu/gl/SkGLContext.h" |
| #include "../include/gpu/GrTypes.h" |
| #include "../include/private/SkTemplates.h" |
| |
| class TestStorageAllocator { |
| public: |
| static GrTextureStorageAllocator::Result allocateTextureStorage(void* ctx, |
| GrBackendObject texture, unsigned width, unsigned height, GrPixelConfig config, |
| const void* srcData, GrSurfaceOrigin) { |
| TestStorageAllocator* allocator = static_cast<TestStorageAllocator*>(ctx); |
| if (!allocator->m_allowAllocation) |
| return GrTextureStorageAllocator::Result::kFailed; |
| SkAutoTMalloc<uint8_t> pixels(width * height * 4); |
| memset(pixels.get(), 0, width * height * 4); |
| |
| GrGLuint id; |
| GrGLenum target = GR_GL_TEXTURE_2D; |
| GR_GL_CALL(allocator->m_gl, GenTextures(1, &id)); |
| GR_GL_CALL(allocator->m_gl, BindTexture(target, id)); |
| GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_MAG_FILTER, GR_GL_NEAREST)); |
| GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_MIN_FILTER, GR_GL_NEAREST)); |
| GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_WRAP_S, GR_GL_CLAMP_TO_EDGE)); |
| GR_GL_CALL(allocator->m_gl, TexParameteri(target, GR_GL_TEXTURE_WRAP_T, GR_GL_CLAMP_TO_EDGE)); |
| GR_GL_CALL(allocator->m_gl, TexImage2D(target, 0, GR_GL_RGBA, width, height, 0, GR_GL_RGBA, |
| GR_GL_UNSIGNED_BYTE, pixels.get())); |
| |
| GrGLTextureInfo* info = reinterpret_cast<GrGLTextureInfo*>(texture); |
| info->fID = id; |
| info->fTarget = target; |
| allocator->m_mostRecentlyAllocatedStorage = id; |
| return GrTextureStorageAllocator::Result::kSucceededWithoutUpload; |
| } |
| static void deallocateTextureStorage(void* ctx, GrBackendObject texture) { |
| TestStorageAllocator* allocator = static_cast<TestStorageAllocator*>(ctx); |
| GrGLTextureInfo* info = reinterpret_cast<GrGLTextureInfo*>(texture); |
| GR_GL_CALL(allocator->m_gl, DeleteTextures(1, &(info->fID))); |
| } |
| |
| GrGLuint m_mostRecentlyAllocatedStorage; |
| const GrGLInterface* m_gl; |
| bool m_allowAllocation; |
| }; |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CustomTexture, reporter, context, glContext) { |
| static const int kWidth = 13; |
| static const int kHeight = 13; |
| |
| const GrGLInterface* gl = glContext->gl(); |
| TestStorageAllocator allocator; |
| allocator.m_allowAllocation = true; |
| allocator.m_gl = gl; |
| GrTextureStorageAllocator grAllocator; |
| grAllocator.fAllocateTextureStorage = &TestStorageAllocator::allocateTextureStorage; |
| grAllocator.fDeallocateTextureStorage= &TestStorageAllocator::deallocateTextureStorage; |
| grAllocator.fCtx = &allocator; |
| |
| SkSurface* surface = SkSurface_Gpu::NewRenderTarget( |
| context, SkSurface_Gpu::kNo_Budgeted, SkImageInfo::MakeN32Premul(kWidth, kHeight), 0, |
| NULL, grAllocator); |
| REPORTER_ASSERT(reporter, surface); |
| GrGLuint id = allocator.m_mostRecentlyAllocatedStorage; |
| |
| SkImage* image = surface->newImageSnapshot(); |
| REPORTER_ASSERT(reporter, image->isTextureBacked()); |
| SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(1,1); |
| GrColor dest = 0x11223344; |
| REPORTER_ASSERT(reporter, image->readPixels(imageInfo, &dest, 4 * kWidth, 0, 0)); |
| REPORTER_ASSERT(reporter, GrColorUnpackG(dest) == 0); |
| |
| surface->getCanvas()->clear(SK_ColorGREEN); |
| SkImage* image2 = surface->newImageSnapshot(); |
| REPORTER_ASSERT(reporter, image2->isTextureBacked()); |
| REPORTER_ASSERT(reporter, allocator.m_mostRecentlyAllocatedStorage != id); |
| |
| REPORTER_ASSERT(reporter, image2->readPixels(imageInfo, &dest, 4 * kWidth, 0, 0)); |
| REPORTER_ASSERT(reporter, GrColorUnpackG(dest) == 255); |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CustomTextureFailure, reporter, context, glContext) { |
| static const int kWidth = 13; |
| static const int kHeight = 13; |
| |
| const GrGLInterface* gl = glContext->gl(); |
| TestStorageAllocator allocator; |
| allocator.m_allowAllocation = false; |
| allocator.m_gl = gl; |
| GrTextureStorageAllocator grAllocator; |
| grAllocator.fAllocateTextureStorage = &TestStorageAllocator::allocateTextureStorage; |
| grAllocator.fDeallocateTextureStorage= &TestStorageAllocator::deallocateTextureStorage; |
| grAllocator.fCtx = &allocator; |
| SkSurface* surface = SkSurface_Gpu::NewRenderTarget( |
| context, SkSurface_Gpu::kNo_Budgeted, SkImageInfo::MakeN32Premul(kWidth, kHeight), 0, |
| NULL, grAllocator); |
| REPORTER_ASSERT(reporter, !surface); |
| } |
| |
| #endif |