blob: f34a867988623dfb94dc795a032ab15a7dd074a9 [file] [log] [blame]
/*
* Copyright 2021 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/graphite/BackendTexture.h"
#include "include/gpu/graphite/Context.h"
#include "include/gpu/graphite/ContextOptions.h"
#include "include/gpu/graphite/Recorder.h"
#include "include/gpu/graphite/Recording.h"
#include "include/gpu/graphite/Surface.h"
#include "include/gpu/graphite/mtl/MtlBackendContext.h"
#include "include/gpu/graphite/mtl/MtlGraphiteTypes.h"
#include "include/gpu/graphite/mtl/MtlGraphiteUtils.h"
#include "include/private/gpu/graphite/ContextOptionsPriv.h"
#include "src/base/SkMathPriv.h"
#include "tools/GpuToolUtils.h"
#include "tools/window/GraphiteMetalWindowContext.h"
using skwindow::DisplayParams;
using skwindow::internal::GraphiteMetalWindowContext;
namespace skwindow::internal {
GraphiteMetalWindowContext::GraphiteMetalWindowContext(const DisplayParams& params)
: WindowContext(params)
, fValid(false)
, fDrawableHandle(nil) {
fDisplayParams.fMSAASampleCount = GrNextPow2(fDisplayParams.fMSAASampleCount);
}
void GraphiteMetalWindowContext::initializeContext() {
SkASSERT(!fContext);
SkASSERT(!fGraphiteContext);
fDevice.reset(MTLCreateSystemDefaultDevice());
fQueue.reset([*fDevice newCommandQueue]);
if (fDisplayParams.fMSAASampleCount > 1) {
if (@available(macOS 10.11, iOS 9.0, tvOS 9.0, *)) {
if (![*fDevice supportsTextureSampleCount:fDisplayParams.fMSAASampleCount]) {
return;
}
} else {
return;
}
}
fSampleCount = fDisplayParams.fMSAASampleCount;
fStencilBits = 8;
fValid = this->onInitializeContext();
skgpu::graphite::MtlBackendContext backendContext = {};
backendContext.fDevice.retain((CFTypeRef)fDevice.get());
backendContext.fQueue.retain((CFTypeRef)fQueue.get());
fDisplayParams.fGraphiteContextOptions.fOptions.fDisableCachedGlyphUploads = true;
// Needed to make synchronous readPixels work:
fDisplayParams.fGraphiteContextOptions.fPriv.fStoreContextRefInRecorder = true;
fGraphiteContext = skgpu::graphite::ContextFactory::MakeMetal(
backendContext, fDisplayParams.fGraphiteContextOptions.fOptions);
fGraphiteRecorder = fGraphiteContext->makeRecorder(ToolUtils::CreateTestingRecorderOptions());
// TODO
// if (!fGraphiteContext && fDisplayParams.fMSAASampleCount > 1) {
// fDisplayParams.fMSAASampleCount /= 2;
// this->initializeContext();
// return;
// }
}
void GraphiteMetalWindowContext::destroyContext() {
if (fGraphiteContext) {
fGraphiteRecorder.reset();
fGraphiteContext.reset();
}
this->onDestroyContext();
fMetalLayer = nil;
fValid = false;
fQueue.reset();
fDevice.reset();
}
sk_sp<SkSurface> GraphiteMetalWindowContext::getBackbufferSurface() {
sk_sp<SkSurface> surface;
id<CAMetalDrawable> currentDrawable = [fMetalLayer nextDrawable];
if (currentDrawable == nil) {
return nullptr;
}
skgpu::graphite::BackendTexture backendTex(this->dimensions(),
(CFTypeRef)currentDrawable.texture);
surface = SkSurfaces::WrapBackendTexture(this->graphiteRecorder(),
backendTex,
kBGRA_8888_SkColorType,
fDisplayParams.fColorSpace,
&fDisplayParams.fSurfaceProps);
fDrawableHandle = CFRetain((CFTypeRef) currentDrawable);
return surface;
}
void GraphiteMetalWindowContext::onSwapBuffers() {
this->snapRecordingAndSubmit();
id<CAMetalDrawable> currentDrawable = (id<CAMetalDrawable>)fDrawableHandle;
id<MTLCommandBuffer> commandBuffer([*fQueue commandBuffer]);
commandBuffer.label = @"Present";
[commandBuffer presentDrawable:currentDrawable];
[commandBuffer commit];
// ARC is off in sk_app, so we need to release the CF ref manually
CFRelease(fDrawableHandle);
fDrawableHandle = nil;
}
void GraphiteMetalWindowContext::setDisplayParams(const DisplayParams& params) {
this->destroyContext();
fDisplayParams = params;
this->initializeContext();
}
void GraphiteMetalWindowContext::activate(bool isActive) {}
} //namespace skwindow::internal