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diff -up firefox-101.0.1/gfx/config/gfxVars.h.D149238.diff firefox-101.0.1/gfx/config/gfxVars.h
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--- firefox-101.0.1/gfx/config/gfxVars.h.D149238.diff 2022-06-14 14:28:15.301514131 +0200
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+++ firefox-101.0.1/gfx/config/gfxVars.h 2022-06-14 14:29:32.221087732 +0200
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@@ -91,7 +91,8 @@ class gfxVarReceiver;
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_(AllowWebGPU, bool, false) \
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_(UseVP8HwDecode, bool, false) \
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_(UseVP9HwDecode, bool, false) \
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- _(HwDecodedVideoNoCopy, bool, false)
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+ _(HwDecodedVideoNoCopy, bool, false) \
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+ _(UseDMABufSurfaceExport, bool, true)
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/* Add new entries above this line. */
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diff -up firefox-101.0.1/gfx/gl/SharedSurfaceDMABUF.cpp.D149238.diff firefox-101.0.1/gfx/gl/SharedSurfaceDMABUF.cpp
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--- firefox-101.0.1/gfx/gl/SharedSurfaceDMABUF.cpp.D149238.diff 2022-06-14 14:28:15.297513997 +0200
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+++ firefox-101.0.1/gfx/gl/SharedSurfaceDMABUF.cpp 2022-06-14 14:28:15.301514131 +0200
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@@ -9,6 +9,7 @@
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#include "GLContextEGL.h"
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#include "MozFramebuffer.h"
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
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+#include "mozilla/gfx/gfxVars.h"
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namespace mozilla::gl {
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@@ -27,22 +28,39 @@ UniquePtr<SharedSurface_DMABUF> SharedSu
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const auto& context = gle->mContext;
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const auto& egl = *(gle->mEgl);
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- if (!HasDmaBufExtensions(gle)) {
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- return nullptr;
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- }
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-
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- auto fb = MozFramebuffer::Create(desc.gl, desc.size, 0, false);
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- if (!fb) return nullptr;
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-
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- const auto buffer = reinterpret_cast<EGLClientBuffer>(fb->ColorTex());
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- const auto image =
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- egl.fCreateImage(context, LOCAL_EGL_GL_TEXTURE_2D, buffer, nullptr);
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- if (!image) return nullptr;
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-
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- const RefPtr<DMABufSurface> surface = DMABufSurfaceRGBA::CreateDMABufSurface(
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- desc.gl, image, desc.size.width, desc.size.height);
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- if (!surface) return nullptr;
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+ RefPtr<DMABufSurface> surface;
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+ UniquePtr<MozFramebuffer> fb;
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+ if (!HasDmaBufExtensions(gle) || !gfx::gfxVars::UseDMABufSurfaceExport()) {
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+ // Use MESA_image_dma_buf_export is not supported or it's broken.
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+ // Create dmabuf surface directly via. GBM and create
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+ // EGLImage/framebuffer over it.
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+ const auto flags = static_cast<DMABufSurfaceFlags>(
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+ DMABUF_TEXTURE | DMABUF_USE_MODIFIERS | DMABUF_ALPHA);
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+ surface = DMABufSurfaceRGBA::CreateDMABufSurface(desc.size.width,
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+ desc.size.height, flags);
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+ if (!surface || !surface->CreateTexture(desc.gl)) {
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+ return nullptr;
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+ }
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+ const auto tex = surface->GetTexture();
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+ fb = MozFramebuffer::CreateForBacking(desc.gl, desc.size, 0, false,
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+ LOCAL_GL_TEXTURE_2D, tex);
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+ if (!fb) return nullptr;
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+ } else {
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+ // Use MESA_image_dma_buf_export so create EGLImage/framebuffer directly
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+ // and derive dmabuf from it.
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+ fb = MozFramebuffer::Create(desc.gl, desc.size, 0, false);
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+ if (!fb) return nullptr;
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+
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+ const auto buffer = reinterpret_cast<EGLClientBuffer>(fb->ColorTex());
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+ const auto image =
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+ egl.fCreateImage(context, LOCAL_EGL_GL_TEXTURE_2D, buffer, nullptr);
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+ if (!image) return nullptr;
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+
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+ surface = DMABufSurfaceRGBA::CreateDMABufSurface(
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+ desc.gl, image, desc.size.width, desc.size.height);
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+ if (!surface) return nullptr;
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+ }
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return AsUnique(new SharedSurface_DMABUF(desc, std::move(fb), surface));
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}
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diff -up firefox-101.0.1/gfx/thebes/gfxPlatform.cpp.D149238.diff firefox-101.0.1/gfx/thebes/gfxPlatform.cpp
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--- firefox-101.0.1/gfx/thebes/gfxPlatform.cpp.D149238.diff 2022-06-08 23:06:36.000000000 +0200
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+++ firefox-101.0.1/gfx/thebes/gfxPlatform.cpp 2022-06-14 14:28:15.302514165 +0200
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@@ -2851,6 +2851,17 @@ void gfxPlatform::InitWebGLConfig() {
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gfxVars::SetAllowEglRbab(false);
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}
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}
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+
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+ if (kIsWayland || kIsX11) {
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+ // Disable EGL_MESA_image_dma_buf_export on mesa/radeonsi due to
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+ // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6666
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+ nsString adapterDriverVendor;
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+ gfxInfo->GetAdapterDriverVendor(adapterDriverVendor);
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+ if (adapterDriverVendor.Find("mesa") != -1 &&
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+ adapterDriverVendor.Find("radeonsi") != -1) {
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+ gfxVars::SetUseDMABufSurfaceExport(false);
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+ }
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+ }
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}
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void gfxPlatform::InitWebGPUConfig() {
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