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Get Metal running on iOS viewer.

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Adds MetalWindowContext_ios and hooks it up to Window_ios.
Also includes some minor clean up in other iOS code.

Bug: skia:8737
Change-Id: I2e8a0c755310fbc4ed534f975815c60f8eca130b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/238438
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
This commit is contained in:
Jim Van Verth 2019-09-03 09:42:57 -04:00 committed by Skia Commit-Bot
parent d51ea41ce4
commit e58d532bc3
10 changed files with 155 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
BUILD.gn
View File

@ -2421,7 +2421,7 @@ if (skia_enable_tools) {
if (is_mac) {
sources += [ "tools/sk_app/mac/MetalWindowContext_mac.mm" ]
} else if (is_ios) {
# sources += [ "tools/sk_app/mac/MetalWindowContext_ios.mm" ]
sources += [ "tools/sk_app/ios/MetalWindowContext_ios.mm" ]
}
}

4
tools/sk_app/MetalWindowContext.mm
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@ -42,10 +42,6 @@ void MetalWindowContext::initializeContext() {
fSampleCount = fDisplayParams.fMSAASampleCount;
fStencilBits = 8;
fMetalLayer = [CAMetalLayer layer];
fMetalLayer.device = fDevice;
fMetalLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
fValid = this->onInitializeContext();
fContext = GrContext::MakeMetal((__bridge void*)fDevice, (__bridge void*)fQueue,

2
tools/sk_app/Window.h
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@ -55,7 +55,7 @@ public:
#ifdef SK_VULKAN
kVulkan_BackendType,
#endif
#if SK_METAL && defined(SK_BUILD_FOR_MAC)
#ifdef SK_METAL
kMetal_BackendType,
#endif
kRaster_BackendType,

22
tools/sk_app/ios/GLWindowContext_ios.mm
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@ -10,17 +10,17 @@
#include "tools/sk_app/GLWindowContext.h"
#include "tools/sk_app/ios/WindowContextFactory_ios.h"
#include <OpenGLES/ES3/gl.h>
#include <UIKit/UIKit.h>
#import <OpenGLES/ES3/gl.h>
#import <UIKit/UIKit.h>
using sk_app::DisplayParams;
using sk_app::window_context_factory::IOSWindowInfo;
using sk_app::GLWindowContext;
@interface RasterView : MainView
@interface GLView : MainView
@end
@implementation RasterView
@implementation GLView
+ (Class) layerClass {
return [CAEAGLLayer class];
}
@ -44,7 +44,7 @@ public:
private:
sk_app::Window_ios* fWindow;
UIViewController* fViewController;
RasterView* fRasterView;
GLView* fGLView;
EAGLContext* fGLContext;
GLuint fFramebuffer;
GLuint fRenderbuffer;
@ -64,9 +64,9 @@ GLWindowContext_ios::GLWindowContext_ios(const IOSWindowInfo& info, const Displa
}
GLWindowContext_ios::~GLWindowContext_ios() {
this->onDestroyContext();
[fRasterView removeFromSuperview];
[fRasterView release];
this->destroyContext();
[fGLView removeFromSuperview];
[fGLView release];
}
sk_sp<const GrGLInterface> GLWindowContext_ios::onInitializeContext() {
@ -74,8 +74,8 @@ sk_sp<const GrGLInterface> GLWindowContext_ios::onInitializeContext() {
SkASSERT(!fGLContext);
CGRect frameRect = [fViewController.view frame];
fRasterView = [[[RasterView alloc] initWithFrame:frameRect] initWithWindow:fWindow];
[fViewController.view addSubview:fRasterView];
fGLView = [[[GLView alloc] initWithFrame:frameRect] initWithWindow:fWindow];
[fViewController.view addSubview:fGLView];
fGLContext = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
@ -92,7 +92,7 @@ sk_sp<const GrGLInterface> GLWindowContext_ios::onInitializeContext() {
}
// Set up EAGLLayer
CAEAGLLayer* eaglLayer = (CAEAGLLayer*)fRasterView.layer;
CAEAGLLayer* eaglLayer = (CAEAGLLayer*)fGLView.layer;
eaglLayer.drawableProperties = @{kEAGLDrawablePropertyRetainedBacking : @NO,
kEAGLDrawablePropertyColorFormat : kEAGLColorFormatRGBA8 };
eaglLayer.opaque = YES;

115
tools/sk_app/ios/MetalWindowContext_ios.mm Normal file
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@ -0,0 +1,115 @@
/*
* 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 "tools/sk_app/MetalWindowContext.h"
#include "tools/sk_app/ios/WindowContextFactory_ios.h"
#import <Metal/Metal.h>
#import <UIKit/UIKit.h>
using sk_app::DisplayParams;
using sk_app::window_context_factory::IOSWindowInfo;
using sk_app::MetalWindowContext;
@interface MetalView : MainView
@end
@implementation MetalView
+ (Class) layerClass {
return [CAMetalLayer class];
}
@end
namespace {
class MetalWindowContext_ios : public MetalWindowContext {
public:
MetalWindowContext_ios(const IOSWindowInfo&, const DisplayParams&);
~MetalWindowContext_ios() override;
bool onInitializeContext() override;
void onDestroyContext() override;
void resize(int w, int h) override;
private:
sk_app::Window_ios* fWindow;
UIViewController* fViewController;
MetalView* fMetalView;
typedef MetalWindowContext INHERITED;
};
MetalWindowContext_ios::MetalWindowContext_ios(const IOSWindowInfo& info,
const DisplayParams& params)
: INHERITED(params)
, fWindow(info.fWindow)
, fViewController(info.fViewController) {
// any config code here (particularly for msaa)?
this->initializeContext();
}
MetalWindowContext_ios::~MetalWindowContext_ios() {
this->destroyContext();
[fMetalView removeFromSuperview];
[fMetalView release];
}
bool MetalWindowContext_ios::onInitializeContext() {
SkASSERT(nil != fWindow);
SkASSERT(nil != fViewController);
CGRect frameRect = [fViewController.view frame];
fMetalView = [[[MetalView alloc] initWithFrame:frameRect] initWithWindow:fWindow];
[fViewController.view addSubview:fMetalView];
fMetalLayer = (CAMetalLayer*)fMetalView.layer;
fMetalLayer.device = fDevice;
fMetalLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
fMetalLayer.drawableSize = frameRect.size;
fMetalLayer.frame = frameRect;
// TODO: need solution for iOS
// BOOL useVsync = fDisplayParams.fDisableVsync ? NO : YES;
// fMetalLayer.displaySyncEnabled = useVsync;
fMetalLayer.contentsGravity = kCAGravityTopLeft;
fWidth = frameRect.size.width;
fHeight = frameRect.size.height;
return true;
}
void MetalWindowContext_ios::onDestroyContext() {}
void MetalWindowContext_ios::resize(int w, int h) {
// TODO: handle rotation
fMetalLayer.drawableSize = fMetalView.frame.size;
fMetalLayer.frame = fMetalView.frame;
fWidth = w;
fHeight = h;
}
} // anonymous namespace
namespace sk_app {
namespace window_context_factory {
std::unique_ptr<WindowContext> MakeMetalForIOS(const IOSWindowInfo& info,
const DisplayParams& params) {
std::unique_ptr<WindowContext> ctx(new MetalWindowContext_ios(info, params));
if (!ctx->isValid()) {
return nullptr;
}
return ctx;
}
} // namespace window_context_factory
} // namespace sk_app

23
tools/sk_app/ios/RasterWindowContext_ios.mm
View File

@ -13,18 +13,17 @@
#include "tools/sk_app/GLWindowContext.h"
#include "tools/sk_app/ios/WindowContextFactory_ios.h"
#include <OpenGLES/ES3/gl.h>
#include <UIKit/UIKit.h>
#import <OpenGLES/ES3/gl.h>
#import <UIKit/UIKit.h>
using sk_app::DisplayParams;
using sk_app::window_context_factory::IOSWindowInfo;
using sk_app::GLWindowContext;
@interface GLView : MainView
@interface RasterView : MainView
@end
@implementation GLView
@implementation RasterView
+ (Class) layerClass {
return [CAEAGLLayer class];
}
@ -53,7 +52,7 @@ public:
private:
sk_app::Window_ios* fWindow;
UIViewController* fViewController;
GLView* fGLView;
RasterView* fRasterView;
EAGLContext* fGLContext;
GLuint fFramebuffer;
GLuint fRenderbuffer;
@ -75,9 +74,9 @@ RasterWindowContext_ios::RasterWindowContext_ios(const IOSWindowInfo& info,
}
RasterWindowContext_ios::~RasterWindowContext_ios() {
this->onDestroyContext();
[fGLView removeFromSuperview];
[fGLView release];
this->destroyContext();
[fRasterView removeFromSuperview];
[fRasterView release];
}
sk_sp<const GrGLInterface> RasterWindowContext_ios::onInitializeContext() {
@ -85,8 +84,8 @@ sk_sp<const GrGLInterface> RasterWindowContext_ios::onInitializeContext() {
SkASSERT(!fGLContext);
CGRect frameRect = [fViewController.view frame];
fGLView = [[[GLView alloc] initWithFrame:frameRect] initWithWindow:fWindow];
[fViewController.view addSubview:fGLView];
fRasterView = [[[RasterView alloc] initWithFrame:frameRect] initWithWindow:fWindow];
[fViewController.view addSubview:fRasterView];
fGLContext = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
@ -103,7 +102,7 @@ sk_sp<const GrGLInterface> RasterWindowContext_ios::onInitializeContext() {
}
// Set up EAGLLayer
CAEAGLLayer* eaglLayer = (CAEAGLLayer*)fGLView.layer;
CAEAGLLayer* eaglLayer = (CAEAGLLayer*)fRasterView.layer;
eaglLayer.drawableProperties = @{kEAGLDrawablePropertyRetainedBacking : @NO,
kEAGLDrawablePropertyColorFormat : kEAGLColorFormatRGBA8 };
eaglLayer.opaque = YES;

5
tools/sk_app/ios/WindowContextFactory_ios.h
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@ -33,10 +33,7 @@ inline std::unique_ptr<WindowContext> MakeVulkanForIOS(const IOSWindowInfo&, con
return nullptr;
}
inline std::unique_ptr<WindowContext> MakeMetalForIOS(const IOSWindowInfo&, const DisplayParams&) {
// No Metal support on iOS yet.
return nullptr;
}
std::unique_ptr<WindowContext> MakeMetalForIOS(const IOSWindowInfo&, const DisplayParams&);
std::unique_ptr<WindowContext> MakeGLForIOS(const IOSWindowInfo&, const DisplayParams&);

10
tools/sk_app/ios/Window_ios.mm
View File

@ -83,11 +83,11 @@ bool Window_ios::attach(BackendType attachType) {
case kRaster_BackendType:
fWindowContext = MakeRasterForIOS(info, fRequestedDisplayParams);
break;
//#ifdef SK_METAL
// case kMetal_BackendType:
// fWindowContext = MakeMetalForMac(info, fRequestedDisplayParams);
// break;
//#endif
#ifdef SK_METAL
case kMetal_BackendType:
fWindowContext = MakeMetalForIOS(info, fRequestedDisplayParams);
break;
#endif
case kNativeGL_BackendType:
default:
fWindowContext = MakeGLForIOS(info, fRequestedDisplayParams);

4
tools/sk_app/mac/MetalWindowContext_mac.mm
View File

@ -51,6 +51,10 @@ MetalWindowContext_mac::~MetalWindowContext_mac() {
bool MetalWindowContext_mac::onInitializeContext() {
SkASSERT(nil != fMainView);
fMetalLayer = [CAMetalLayer layer];
fMetalLayer.device = fDevice;
fMetalLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
NSRect frameRect = [fMainView frame];
fMetalLayer.drawableSize = frameRect.size;
fMetalLayer.frame = frameRect;

6
tools/viewer/Viewer.cpp
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@ -141,7 +141,7 @@ const char* kBackendTypeStrings[sk_app::Window::kBackendTypeCount] = {
#ifdef SK_VULKAN
"Vulkan",
#endif
#if defined(SK_METAL) && defined(SK_BUILD_FOR_MAC)
#ifdef SK_METAL
"Metal",
#endif
"Raster"
@ -163,7 +163,7 @@ static sk_app::Window::BackendType get_backend_type(const char* str) {
return sk_app::Window::kANGLE_BackendType;
} else
#endif
#if defined(SK_METAL) && defined(SK_BUILD_FOR_MAC)
#ifdef SK_METAL
if (0 == strcmp(str, "mtl")) {
return sk_app::Window::kMetal_BackendType;
} else
@ -1556,7 +1556,7 @@ void Viewer::drawImGui() {
ImGui::SameLine();
ImGui::RadioButton("Vulkan", &newBackend, sk_app::Window::kVulkan_BackendType);
#endif
#if defined(SK_METAL) && defined(SK_BUILD_FOR_MAC)
#if defined(SK_METAL)
ImGui::SameLine();
ImGui::RadioButton("Metal", &newBackend, sk_app::Window::kMetal_BackendType);
#endif