75 lines
3.1 KiB
Plaintext
75 lines
3.1 KiB
Plaintext
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/*
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* Copyright 2019 Google Inc.
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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 "include/core/SkSurface.h"
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#include "include/gpu/GrContext.h"
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#include "src/gpu/GrContextPriv.h"
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#include "src/gpu/mtl/GrMtlGpu.h"
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#include "tests/Test.h"
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#import <Metal/Metal.h>
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#import <MetalKit/MTKView.h>
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#include "src/gpu/mtl/GrMtlCaps.h"
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#include "src/gpu/mtl/GrMtlTextureRenderTarget.h"
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DEF_GPUTEST_FOR_METAL_CONTEXT(MtlCopySurfaceTest, reporter, ctxInfo) {
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static const int kWidth = 1024;
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static const int kHeight = 768;
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GrContext* context = ctxInfo.grContext();
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// This is a bit weird, but it's the only way to get a framebufferOnly surface
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GrMtlGpu* gpu = (GrMtlGpu*) context->priv().getGpu();
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MTKView* view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, kWidth, kHeight)
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device:gpu->device()];
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id<CAMetalDrawable> drawable = [view currentDrawable];
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REPORTER_ASSERT(reporter, drawable.texture.framebufferOnly);
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REPORTER_ASSERT(reporter, drawable.texture.usage & MTLTextureUsageRenderTarget);
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// Test to see if we can initiate a copy via GrSurfaceProxys
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SkSurfaceProps props(0, kRGB_H_SkPixelGeometry);
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// TODO: check multisampled RT as well
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GrMtlTextureInfo fbInfo;
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fbInfo.fTexture.retain((__bridge const void*)(drawable.texture));
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GrBackendRenderTarget backendRT(kWidth, kHeight, 1, fbInfo);
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GrProxyProvider* proxyProvider = context->priv().proxyProvider();
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sk_sp<GrSurfaceProxy> srcProxy = proxyProvider->wrapBackendRenderTarget(
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backendRT, GrColorType::kBGRA_8888,
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kTopLeft_GrSurfaceOrigin);
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sk_sp<GrTextureProxy> dstProxy = GrSurfaceProxy::Copy(context, srcProxy.get(),
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GrMipMapped::kNo,
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SkBackingFit::kExact,
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SkBudgeted::kYes);
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// TODO: GrSurfaceProxy::Copy doesn't check to see if the framebufferOnly bit is set yet.
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// Update this when it does -- it should fail.
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if (!dstProxy) {
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ERRORF(reporter, "Expected copy to succeed");
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}
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// Try direct copy via GPU (should fail)
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GrSurfaceDesc desc;
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desc.fWidth = kWidth;
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desc.fHeight = kHeight;
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GrBackendFormat backendFormat = GrBackendFormat::MakeMtl(drawable.texture.pixelFormat);
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desc.fConfig = gpu->caps()->getConfigFromBackendFormat(backendFormat,
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GrColorType::kBGRA_8888);
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GrSurface* src = srcProxy->peekSurface();
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sk_sp<GrTexture> dst = gpu->createTexture(desc, backendFormat, GrRenderable::kNo,
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1, GrMipMapped::kNo, SkBudgeted::kNo,
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GrProtected::kNo);
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bool result = gpu->copySurface(dst.get(), src, SkIRect::MakeXYWH(0, 0, kWidth, kHeight),
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SkIPoint::Make(0, 0));
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REPORTER_ASSERT(reporter, !result);
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}
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