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This is a POC for enabling zero copy support using GBM. This work is inspired by
1)https://codereview.chromium.org/186123006/
2)https://codereview.chromium.org/116983006/
This CL adds support for EGL backend but am working on POC with GLX too.
I needed to export the following variables:
export EGL_PLATFORM=x11
Launched chrome with following command:
out/Debug/chrome --ui-enable-zero-copy --enable-zero-copy --no-sandbox --use-gl=egl
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chrome/browser/lifetime/application_lifetime_aura.cc
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chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.cc
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chrome/browser/ui/views/app_list/linux/app_list_service_linux.cc
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content/browser/gpu/browser_gpu_channel_host_factory.cc
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content/browser/renderer_host/render_process_host_impl.cc
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content/common/gpu/client/gpu_channel_host.cc
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content/common/gpu/client/gpu_memory_buffer_impl_intel_drm.h
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content/common/gpu/client/gpu_memory_buffer_impl_intel_drm.cc
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content/common/gpu/client/gpu_memory_buffer_impl_linux.cc
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content/content_common.gypi
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ui/gfx/gpu_memory_buffer.h
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ui/gl/gl.gyp
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ui/gl/gl_image_linux_dma_buffer.h
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ui/gl/gl_image_linux_dma_buffer.cc
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ui/gl/gl_image_x11.cc
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Chromium Code Reviews
Issue
211133005:
[WIP] Not for review. Zero copy.
