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Migrate ios_surface files to ARC #52139

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Apr 24, 2024
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Migrate ios_surface files to ARC #52139

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f3dfcc4
Migrate ios_surface files to ARC
jmagman Apr 9, 2024
a42cc1a
cf_audited_transfer
jmagman Apr 22, 2024
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Migrate ios_surface files to ARC
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@jmagman
jmagman committed Apr 22, 2024
commit f3dfcc438b8d9bef28243e1ff38fc40c557e86f2
16 changes: 8 additions & 8 deletions shell/platform/darwin/ios/BUILD.gn
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,14 @@ source_set("flutter_framework_source_arc") {
"ios_context_software.mm",
"ios_external_texture_metal.h",
"ios_external_texture_metal.mm",
"ios_surface.h",
"ios_surface.mm",
"ios_surface_metal_impeller.h",
"ios_surface_metal_impeller.mm",
"ios_surface_metal_skia.h",
"ios_surface_metal_skia.mm",
"ios_surface_software.h",
"ios_surface_software.mm",
"rendering_api_selection.h",
"rendering_api_selection.mm",
]
Expand Down Expand Up @@ -172,14 +180,6 @@ source_set("flutter_framework_source") {
"framework/Source/accessibility_text_entry.mm",
"ios_external_view_embedder.h",
"ios_external_view_embedder.mm",
"ios_surface.h",
"ios_surface.mm",
"ios_surface_metal_impeller.h",
"ios_surface_metal_impeller.mm",
"ios_surface_metal_skia.h",
"ios_surface_metal_skia.mm",
"ios_surface_software.h",
"ios_surface_software.mm",
"platform_message_handler_ios.h",
"platform_message_handler_ios.mm",
"platform_view_ios.h",
Expand Down
12 changes: 6 additions & 6 deletions shell/platform/darwin/ios/ios_surface.mm
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Expand Up @@ -9,6 +9,8 @@
#import "flutter/shell/platform/darwin/ios/ios_surface_software.h"
#include "flutter/shell/platform/darwin/ios/rendering_api_selection.h"

FLUTTER_ASSERT_ARC

namespace flutter {

std::unique_ptr<IOSSurface> IOSSurface::Create(std::shared_ptr<IOSContext> context,
Expand All @@ -21,16 +23,14 @@
switch (context->GetBackend()) {
case IOSRenderingBackend::kSkia:
return std::make_unique<IOSSurfaceMetalSkia>(
fml::scoped_nsobject<CAMetalLayer>(
reinterpret_cast<CAMetalLayer*>([layer.get() retain])), // Metal layer
std::move(context) // context
fml::scoped_nsobject<CAMetalLayer>((CAMetalLayer*)layer.get()), // Metal layer
std::move(context) // context
);
break;
case IOSRenderingBackend::kImpeller:
return std::make_unique<IOSSurfaceMetalImpeller>(
fml::scoped_nsobject<CAMetalLayer>(
reinterpret_cast<CAMetalLayer*>([layer.get() retain])), // Metal layer
std::move(context) // context
fml::scoped_nsobject<CAMetalLayer>((CAMetalLayer*)layer.get()), // Metal layer
std::move(context) // context
);
}
}
Expand Down
4 changes: 3 additions & 1 deletion shell/platform/darwin/ios/ios_surface_metal_impeller.mm
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Expand Up @@ -8,6 +8,8 @@
#include "flutter/impeller/renderer/context.h"
#include "flutter/shell/gpu/gpu_surface_metal_impeller.h"

FLUTTER_ASSERT_ARC

namespace flutter {

IOSSurfaceMetalImpeller::IOSSurfaceMetalImpeller(const fml::scoped_nsobject<CAMetalLayer>& layer,
Expand Down Expand Up @@ -64,7 +66,7 @@
// exit the app.
layer.presentsWithTransaction = [[NSThread currentThread] isMainThread];

return layer;
return (__bridge GPUCAMetalLayerHandle)layer;
}

// |GPUSurfaceMetalDelegate|
Expand Down
17 changes: 9 additions & 8 deletions shell/platform/darwin/ios/ios_surface_metal_skia.mm
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Expand Up @@ -8,14 +8,16 @@
#include "flutter/shell/gpu/gpu_surface_metal_skia.h"
#include "flutter/shell/platform/darwin/ios/ios_context_metal_skia.h"

FLUTTER_ASSERT_ARC

@protocol FlutterMetalDrawable <MTLDrawable>
- (void)flutterPrepareForPresent:(nonnull id<MTLCommandBuffer>)commandBuffer;
@end

namespace flutter {

static IOSContextMetalSkia* CastToMetalContext(const std::shared_ptr<IOSContext>& context) {
return reinterpret_cast<IOSContextMetalSkia*>(context.get());
return (IOSContextMetalSkia*)context.get();
}

IOSSurfaceMetalSkia::IOSSurfaceMetalSkia(const fml::scoped_nsobject<CAMetalLayer>& layer,
Expand Down Expand Up @@ -72,7 +74,7 @@ - (void)flutterPrepareForPresent:(nonnull id<MTLCommandBuffer>)commandBuffer;
// the raster thread, there is no such transaction.
layer.presentsWithTransaction = [[NSThread currentThread] isMainThread];

return layer;
return (__bridge GPUCAMetalLayerHandle)layer;
}

// |GPUSurfaceMetalDelegate|
Expand All @@ -82,16 +84,15 @@ - (void)flutterPrepareForPresent:(nonnull id<MTLCommandBuffer>)commandBuffer;
return false;
}

auto command_buffer =
fml::scoped_nsprotocol<id<MTLCommandBuffer>>([[command_queue_ commandBuffer] retain]);
id<MTLCommandBuffer> command_buffer = [command_queue_ commandBuffer];

id<CAMetalDrawable> metal_drawable = reinterpret_cast<id<CAMetalDrawable>>(drawable);
id<CAMetalDrawable> metal_drawable = (__bridge id<CAMetalDrawable>)drawable;
if ([metal_drawable conformsToProtocol:@protocol(FlutterMetalDrawable)]) {
[(id<FlutterMetalDrawable>)metal_drawable flutterPrepareForPresent:command_buffer.get()];
[(id<FlutterMetalDrawable>)metal_drawable flutterPrepareForPresent:command_buffer];
}

[command_buffer.get() commit];
[command_buffer.get() waitUntilScheduled];
[command_buffer commit];
[command_buffer waitUntilScheduled];

[metal_drawable present];
return true;
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4 changes: 3 additions & 1 deletion shell/platform/darwin/ios/ios_surface_software.mm
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Expand Up @@ -15,6 +15,8 @@
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/utils/mac/SkCGUtils.h"

FLUTTER_ASSERT_ARC

namespace flutter {

IOSSurfaceSoftware::IOSSurfaceSoftware(const fml::scoped_nsobject<CALayer>& layer,
Expand Down Expand Up @@ -118,7 +120,7 @@
return false;
}

layer_.get().contents = reinterpret_cast<id>(static_cast<CGImageRef>(pixmap_image));
layer_.get().contents = (__bridge id)(static_cast<CGImageRef>(pixmap_image));
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@stuartmorgan-g stuartmorgan-g Apr 16, 2024

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Couldn't we remove the scoped_nsobject from layer_?

But it's also fine to defer that to a second-pass cleanup when you eliminate scoped_nsobject completely if you'd rather.

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@jmagman jmagman Apr 18, 2024

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Let's do a cleanup sweep at the end. I'll keep removing them where it's easy though.


return true;
}
Expand Down