diff --git a/0001-nvc0-disable-BGRA8-images-on-Fermi.patch b/0001-nvc0-disable-BGRA8-images-on-Fermi.patch new file mode 100644 index 0000000..e67495a --- /dev/null +++ b/0001-nvc0-disable-BGRA8-images-on-Fermi.patch @@ -0,0 +1,51 @@ +From 245912b684b862d47cde10052b137d76a55d0bd3 Mon Sep 17 00:00:00 2001 +From: Lyude +Date: Fri, 2 Jun 2017 20:45:36 -0400 +Subject: [PATCH] nvc0: disable BGRA8 images on Fermi + +BGRA8 image stores on Fermi don't work, which results in breaking +PBO downloads, such that they always return 0x0. Discovered this +through a glamor bug, and confirmed it does indeed break a good number +of piglit tests such as spec/arb_pixel_buffer_object/pbo-read-argb8888 + +Fixes: 8e7893eb53213 ("nvc0: add support for BGRA8 images") +Signed-off-by: Lyude +Reviewed-by: Ilia Mirkin +Cc: mesa-stable@lists.freedesktop.org +--- + src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 19 ++++++++++++++----- + 1 file changed, 14 insertions(+), 5 deletions(-) + +diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +index c636926994..f6c5c72797 100644 +--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c ++++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +@@ -87,11 +87,20 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen, + bindings &= ~(PIPE_BIND_LINEAR | + PIPE_BIND_SHARED); + +- if (bindings & PIPE_BIND_SHADER_IMAGE && sample_count > 1 && +- nouveau_screen(pscreen)->class_3d >= GM107_3D_CLASS) { +- /* MS images are currently unsupported on Maxwell because they have to +- * be handled explicitly. */ +- return false; ++ if (bindings & PIPE_BIND_SHADER_IMAGE) { ++ if (sample_count > 1 && ++ nouveau_screen(pscreen)->class_3d >= GM107_3D_CLASS) { ++ /* MS images are currently unsupported on Maxwell because they have to ++ * be handled explicitly. */ ++ return false; ++ } ++ ++ if (format == PIPE_FORMAT_B8G8R8A8_UNORM && ++ nouveau_screen(pscreen)->class_3d < NVE4_3D_CLASS) { ++ /* This should work on Fermi, but for currently unknown reasons it ++ * does not and results in breaking reads from pbos. */ ++ return false; ++ } + } + + return (( nvc0_format_table[format].usage | +-- +2.13.0 + diff --git a/mesa.spec b/mesa.spec index a60d9c4..272cda5 100644 --- a/mesa.spec +++ b/mesa.spec @@ -59,7 +59,7 @@ Name: mesa Summary: Mesa graphics libraries Version: 17.1.1 -Release: 1%{?rctag:.%{rctag}}%{?dist} +Release: 2%{?rctag:.%{rctag}}%{?dist} License: MIT URL: http://www.mesa3d.org @@ -84,6 +84,9 @@ Patch4: 0004-bigendian-assert.patch Patch13: glvnd-fix-gl-dot-pc.patch Patch14: 0001-Fix-linkage-against-shared-glapi.patch +# backport from upstream +Patch50: 0001-nvc0-disable-BGRA8-images-on-Fermi.patch + BuildRequires: gcc BuildRequires: gcc-c++ BuildRequires: automake @@ -682,6 +685,9 @@ popd %endif %changelog +* Mon Jun 05 2017 Adam Jackson - 17.1.1-2 +- Disable BGRA8 images on Fermi + * Thu May 25 2017 Peter Robinson 17.1.1-1 - Update to 17.1.1