e94af49a3f
* Set correct backing size for Metal and Vulkan * Don't capture mouse events when resizing Bug: skia:8737 Change-Id: I7798ca95aebe0c11b75b23a55a94514550317b32 Reviewed-on: https://skia-review.googlesource.com/c/196423 Auto-Submit: Jim Van Verth <jvanverth@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
122 lines
3.2 KiB
Plaintext
122 lines
3.2 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 "../MetalWindowContext.h"
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#include "WindowContextFactory_mac.h"
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#import <MetalKit/MetalKit.h>
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#include <Cocoa/Cocoa.h>
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using sk_app::DisplayParams;
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using sk_app::window_context_factory::MacWindowInfo;
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using sk_app::MetalWindowContext;
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namespace {
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class MetalWindowContext_mac : public MetalWindowContext {
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public:
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MetalWindowContext_mac(const MacWindowInfo&, const DisplayParams&);
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~MetalWindowContext_mac() override;
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bool onInitializeContext() override;
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void onDestroyContext() override;
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private:
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NSView* fMainView;
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typedef MetalWindowContext INHERITED;
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};
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MetalWindowContext_mac::MetalWindowContext_mac(const MacWindowInfo& info, const DisplayParams& params)
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: INHERITED(params)
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, fMainView(info.fMainView) {
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// any config code here (particularly for msaa)?
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this->initializeContext();
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}
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MetalWindowContext_mac::~MetalWindowContext_mac() {
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this->destroyContext();
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}
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bool MetalWindowContext_mac::onInitializeContext() {
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SkASSERT(nil != fMainView);
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// create mtkview
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NSRect rect = fMainView.bounds;
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fMTKView = [[MTKView alloc] initWithFrame:rect device:fDevice];
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if (nil == fMTKView) {
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return false;
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}
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fMTKView.autoResizeDrawable = NO;
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fMTKView.colorPixelFormat = MTLPixelFormatBGRA8Unorm;
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fMTKView.drawableSize = rect.size;
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if (fDisplayParams.fMSAASampleCount > 1) {
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if (![fDevice supportsTextureSampleCount:fDisplayParams.fMSAASampleCount]) {
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return false;
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}
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}
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fMTKView.sampleCount = fDisplayParams.fMSAASampleCount;
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// attach Metal view to main view
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[fMTKView setTranslatesAutoresizingMaskIntoConstraints:NO];
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[fMainView addSubview:fMTKView];
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NSDictionary *views = NSDictionaryOfVariableBindings(fMTKView);
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[fMainView addConstraints:
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[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[fMTKView]|"
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options:0
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metrics:nil
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views:views]];
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[fMainView addConstraints:
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[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[fMTKView]|"
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options:0
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metrics:nil
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views:views]];
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fSampleCount = [fMTKView sampleCount];
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fStencilBits = 8;
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CGSize backingSize = [fMTKView drawableSize];
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fWidth = backingSize.width;
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fHeight = backingSize.height;
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return true;
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}
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void MetalWindowContext_mac::onDestroyContext() {
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[fMTKView removeFromSuperview];
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[fMTKView release];
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fMTKView = nil;
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}
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} // anonymous namespace
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namespace sk_app {
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namespace window_context_factory {
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WindowContext* NewMetalForMac(const MacWindowInfo& info, const DisplayParams& params) {
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WindowContext* ctx = new MetalWindowContext_mac(info, params);
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if (!ctx->isValid()) {
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delete ctx;
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return nullptr;
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}
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return ctx;
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}
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} // namespace window_context_factory
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} // namespace sk_app
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