skia2/tests/MtlCopySurfaceTest.mm
Brian Salomon 982127b7d5 Make render task targets be just a proxy.
Change-Id: I09548cc22b13bc0b9b5f77cf1f20c1505a529c51
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/356760
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Adlai Holler <adlai@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2021-01-21 17:16:06 +00:00

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/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/mtl/GrMtlGpu.h"
#include "tests/Test.h"
#import <Metal/Metal.h>
#import <MetalKit/MTKView.h>
#include "src/gpu/mtl/GrMtlCaps.h"
#include "src/gpu/mtl/GrMtlTextureRenderTarget.h"
DEF_GPUTEST_FOR_METAL_CONTEXT(MtlCopySurfaceTest, reporter, ctxInfo) {
static const int kWidth = 1024;
static const int kHeight = 768;
auto context = ctxInfo.directContext();
// This is a bit weird, but it's the only way to get a framebufferOnly surface
GrMtlGpu* gpu = (GrMtlGpu*) context->priv().getGpu();
MTKView* view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, kWidth, kHeight)
device:gpu->device()];
id<CAMetalDrawable> drawable = [view currentDrawable];
REPORTER_ASSERT(reporter, drawable.texture.framebufferOnly);
REPORTER_ASSERT(reporter, drawable.texture.usage & MTLTextureUsageRenderTarget);
// Test to see if we can initiate a copy via GrSurfaceProxys
SkSurfaceProps props(0, kRGB_H_SkPixelGeometry);
// TODO: check multisampled RT as well
GrMtlTextureInfo fbInfo;
fbInfo.fTexture.retain((__bridge const void*)(drawable.texture));
GrBackendRenderTarget backendRT(kWidth, kHeight, fbInfo);
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
sk_sp<GrSurfaceProxy> srcProxy = proxyProvider->wrapBackendRenderTarget(backendRT, nullptr);
auto dstProxy = GrSurfaceProxy::Copy(context,
srcProxy,
kTopLeft_GrSurfaceOrigin,
GrMipmapped::kNo,
SkBackingFit::kExact,
SkBudgeted::kYes);
// TODO: GrSurfaceProxy::Copy doesn't check to see if the framebufferOnly bit is set yet.
// Update this when it does -- it should fail.
if (!dstProxy) {
ERRORF(reporter, "Expected copy to succeed");
}
// Try direct copy via GPU (should fail)
GrBackendFormat backendFormat = GrBackendFormat::MakeMtl(drawable.texture.pixelFormat);
GrSurface* src = srcProxy->peekSurface();
sk_sp<GrTexture> dst =
gpu->createTexture({kWidth, kHeight}, backendFormat, GrRenderable::kNo, 1,
GrMipmapped::kNo, SkBudgeted::kNo, GrProtected::kNo);
bool result = gpu->copySurface(dst.get(), src, SkIRect::MakeXYWH(0, 0, kWidth, kHeight),
SkIPoint::Make(0, 0));
REPORTER_ASSERT(reporter, !result);
}