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Unified Diff: tests/TextureStorageAllocator.cpp

Issue 1623653002: skia: Add support for CHROMIUM_image backed textures. (Closed) Base URL: https://chromium.googlesource.com/skia.git@master
Patch Set: Add missing ')'. Created 4 years, 10 months ago
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Index: tests/TextureStorageAllocator.cpp
diff --git a/tests/TextureStorageAllocator.cpp b/tests/TextureStorageAllocator.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..122839ca59a4d0c5facd9cab8a1dc5f4997f19ac
--- /dev/null
+++ b/tests/TextureStorageAllocator.cpp
@@ -0,0 +1,109 @@
+/*
+ * 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;
+
+ SkAutoTUnref<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;
+
+ SkAutoTUnref<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);
+ SkAutoTUnref<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;
+ SkAutoTUnref<SkSurface> surface(SkSurface_Gpu::NewRenderTarget(
+ context, SkSurface_Gpu::kNo_Budgeted, SkImageInfo::MakeN32Premul(kWidth, kHeight), 0,
+ NULL, grAllocator));
+ REPORTER_ASSERT(reporter, !surface);
+}
+
+#endif
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