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osr: Implement shared texture support (fixes #1006, fixes #2575)

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Adds support for the OnAcceleratedPaint callback. Verified to work
on macOS and Windows. Linux support is present but not implemented
for cefclient, so it is not verified to work.

To test:
Run `cefclient --off-screen-rendering-enabled --shared-texture-enabled`
This commit is contained in:
reito
2024-03-08 20:44:56 +08:00
committed by Marshall Greenblatt
parent dca0435d2f
commit 260dd0ca24
43 changed files with 768 additions and 108 deletions
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10
tests/cefclient/browser/main_context_impl.cc
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@@ -64,24 +64,16 @@ MainContextImpl::MainContextImpl(CefRefPtr<CefCommandLine> command_line,
use_windowless_rendering_ &&
command_line_->HasSwitch(switches::kTransparentPaintingEnabled);
#if defined(OS_WIN)
// Shared texture is only supported on Windows.
shared_texture_enabled_ =
use_windowless_rendering_ &&
command_line_->HasSwitch(switches::kSharedTextureEnabled);
#endif
external_begin_frame_enabled_ =
use_windowless_rendering_ &&
command_line_->HasSwitch(switches::kExternalBeginFrameEnabled);
if (windowless_frame_rate_ <= 0) {
// Choose a reasonable default rate based on the OSR mode.
#if defined(OS_WIN)
windowless_frame_rate_ = shared_texture_enabled_ ? 60 : 30;
#else
windowless_frame_rate_ = 30;
#endif
}
// Enable Chrome runtime bootstrap. See issue #2969 for details.
@@ -264,9 +256,7 @@ void MainContextImpl::PopulateOsrSettings(OsrRendererSettings* settings) {
settings->show_update_rect =
command_line_->HasSwitch(switches::kShowUpdateRect);
#if defined(OS_WIN)
settings->shared_texture_enabled = shared_texture_enabled_;
#endif
settings->external_begin_frame_enabled = external_begin_frame_enabled_;
settings->begin_frame_rate = windowless_frame_rate_;