electron/shell/browser/osr/osr_host_display_client_mac.mm
reito 1aeca6fd0e
feat: GPU shared texture offscreen rendering (#42953)
* feat: GPU shared texture offscreen rendering

* docs: clarify texture infos that passed by the paint event.

* feat: make gpu osr spec test optional

* fix: osr image compare

* fix: remove duplicate test

* fix: update patch file

* fix: code review

* feat: expose more metadata

* feat: use better switch design

* feat: add warning when user forget to release the texture.

* fix: typo

* chore: update patch

* fix: update patch

* fix: update patch description

* fix: update docs

* fix: apply suggestions from code review

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fix: apply suggested fixes

---------

Co-authored-by: Charles Kerr <charles@charleskerr.com>
2024-08-22 19:23:13 -05:00

39 lines
1.2 KiB
Text

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/osr/osr_host_display_client.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkImageInfo.h"
#include <IOSurface/IOSurface.h>
namespace electron {
void OffScreenHostDisplayClient::OnDisplayReceivedCALayerParams(
const gfx::CALayerParams& ca_layer_params) {
if (!ca_layer_params.is_empty) {
base::apple::ScopedCFTypeRef<IOSurfaceRef> io_surface(
IOSurfaceLookupFromMachPort(
ca_layer_params.io_surface_mach_port.get()));
gfx::Size pixel_size_ = ca_layer_params.pixel_size;
void* pixels =
static_cast<void*>(IOSurfaceGetBaseAddress(io_surface.get()));
size_t stride = IOSurfaceGetBytesPerRow(io_surface.get());
struct IOSurfacePinner {
base::apple::ScopedCFTypeRef<IOSurfaceRef> io_surface;
};
SkBitmap bitmap;
bitmap.installPixels(
SkImageInfo::MakeN32(pixel_size_.width(), pixel_size_.height(),
kPremul_SkAlphaType),
pixels, stride);
bitmap.setImmutable();
callback_.Run(ca_layer_params.damage, bitmap, {});
}
}
} // namespace electron