58 lines
2.1 KiB
Plaintext
58 lines
2.1 KiB
Plaintext
/*
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* Copyright 2021 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tests/Test.h"
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#include "experimental/graphite/include/BackendTexture.h"
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#include "experimental/graphite/include/Context.h"
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#include "experimental/graphite/include/mtl/MtlTypes.h"
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#import <Metal/Metal.h>
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using namespace skgpu;
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namespace {
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const SkISize kSize = {16, 16};
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}
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DEF_GRAPHITE_TEST_FOR_CONTEXTS(MtlBackendTextureTest, reporter, context) {
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mtl::TextureInfo textureInfo;
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textureInfo.fSampleCount = 1;
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textureInfo.fLevelCount = 1;
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textureInfo.fFormat = MTLPixelFormatRGBA8Unorm;
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textureInfo.fStorageMode = MTLStorageModePrivate;
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textureInfo.fUsage = MTLTextureUsageShaderRead;
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// TODO: For now we are just testing the basic case of RGBA single sample because that is what
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// we've added to the backend. However, once we expand the backend support to handle all the
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// formats this test should iterate over a large set of combinations. See the Ganesh
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// MtlBackendAllocationTest for example of doing this.
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auto beTexture = context->createBackendTexture(kSize, textureInfo);
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REPORTER_ASSERT(reporter, beTexture.isValid());
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context->deleteBackendTexture(beTexture);
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// It should also pass if we set the usage to be a render target
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textureInfo.fUsage |= MTLTextureUsageRenderTarget;
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beTexture = context->createBackendTexture(kSize, textureInfo);
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REPORTER_ASSERT(reporter, beTexture.isValid());
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context->deleteBackendTexture(beTexture);
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// It should fail with a format that isn't rgba8
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textureInfo.fFormat = MTLPixelFormatR8Unorm;
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beTexture = context->createBackendTexture(kSize, textureInfo);
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REPORTER_ASSERT(reporter, !beTexture.isValid());
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context->deleteBackendTexture(beTexture);
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// It should fail with a sample count greater than 1
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textureInfo.fFormat = MTLPixelFormatRGBA8Unorm;
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textureInfo.fSampleCount = 4;
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beTexture = context->createBackendTexture(kSize, textureInfo);
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REPORTER_ASSERT(reporter, !beTexture.isValid());
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context->deleteBackendTexture(beTexture);
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}
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