skia2/tests/MtlCopySurfaceTest.mm
Aditya Kushwah fe1bc0ae3d Label intermediate Gradient texture.
Label temprory offscreen textures for draws. In this CL, we will
label texture for gradient from GrGradientShader which will help
labeling parts of SkImages too.

Bug: chromium:1164111
Change-Id: Iea49598f7632bb2edfaef21a0956771af5833cc1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/550736
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2022-06-23 13:51:21 +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/ganesh/GrDirectContextPriv.h"
#include "src/gpu/ganesh/GrProxyProvider.h"
#include "src/gpu/ganesh/mtl/GrMtlGpu.h"
#include "tests/Test.h"
#import <Metal/Metal.h>
#import <MetalKit/MTKView.h>
#include "src/gpu/ganesh/mtl/GrMtlCaps.h"
#include "src/gpu/ganesh/mtl/GrMtlTextureRenderTarget.h"
DEF_GPUTEST_FOR_METAL_CONTEXT(MtlCopySurfaceTest, reporter, ctxInfo) {
if (@available(macOS 11.0, iOS 9.0, *)) {
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,
/*label=*/{});
// 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, GrTextureType::k2D,
GrRenderable::kNo, 1, GrMipmapped::kNo, SkBudgeted::kNo,
GrProtected::kNo, /*label=*/"MtlCopySurfaceTest");
bool result = gpu->copySurface(dst.get(), src, SkIRect::MakeXYWH(0, 0, kWidth, kHeight),
SkIPoint::Make(0, 0));
REPORTER_ASSERT(reporter, !result);
}
}