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v3d: Add GL_ARB_vertex_array_bgra support

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This is done by adding support to PIPE_FORMAT_B8G8R8A8_UNORM, and
relying on the R/B swapping for vertex attributes implemented in the
compiler.

v2:
 - Simplify the loop (Iago)

v3:
 - Assert before derreferencing variable (Iago).

Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3078
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7196>
This commit is contained in:
Juan A. Suarez Romero
2020-10-16 17:07:57 +02:00
committed by Marge Bot
parent 9648bfba56
commit 60b9c00afd
3 changed files with 25 additions and 1 deletions
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docs/features.txt
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@@ -86,7 +86,7 @@ GL 3.2, GLSL 1.50 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, soft
Core/compatibility profiles DONE
Geometry shaders DONE ()
GL_ARB_vertex_array_bgra (BGRA vertex order) DONE (freedreno, panfrost)
GL_ARB_vertex_array_bgra (BGRA vertex order) DONE (freedreno, v3d, panfrost)
GL_ARB_draw_elements_base_vertex (Base vertex offset) DONE (freedreno, v3d, panfrost)
GL_ARB_fragment_coord_conventions (Frag shader coord) DONE (freedreno, v3d, panfrost)
GL_ARB_provoking_vertex (Provoking vertex) DONE (freedreno, v3d, panfrost)