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panfrost: Handle PIPE_FORMAT_NONE as 'constant' 

We can use the constant format anywhere safely as a 0-component format,
which will map fine for PIPE_FORMAT_NONE. Used so
ARB_framebuffer_no_attachments can probe.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9105>
This commit is contained in:
Alyssa Rosenzweig 2021-02-16 14:07:26 -05:00 committed by Marge Bot
parent b3e3daa603
commit 2e83481a1a
1 changed files with 3 additions and 0 deletions
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3
src/panfrost/lib/pan_format.c
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@ -95,6 +95,7 @@ panfrost_blend_format(enum pipe_format format)
#define FLAGS_VT__ (_V | _T)
#define FLAGS__T_Z (_T | _Z)
#define V6_0000 PAN_V6_SWIZZLE(0, 0, 0, 0)
#define V6_000R PAN_V6_SWIZZLE(0, 0, 0, R)
#define V6_0R00 PAN_V6_SWIZZLE(0, R, 0, 0)
#define V6_0A00 PAN_V6_SWIZZLE(0, A, 0, 0)
@ -134,6 +135,7 @@ panfrost_blend_format(enum pipe_format format)
}
const struct panfrost_format panfrost_pipe_format_v6[PIPE_FORMAT_COUNT] = {
PAN_V6(NONE, CONSTANT, 0000, L, VTR_),
PAN_V6(ETC1_RGB8, ETC2_RGB8, RGB1, L, _T__),
PAN_V6(ETC2_RGB8, ETC2_RGB8, RGB1, L, _T__),
PAN_V6(ETC2_SRGB8, ETC2_RGB8, RGB1, S, _T__),
@ -385,6 +387,7 @@ const struct panfrost_format panfrost_pipe_format_v6[PIPE_FORMAT_COUNT] = {
};
const struct panfrost_format panfrost_pipe_format_v7[PIPE_FORMAT_COUNT] = {
PAN_V7(NONE, CONSTANT, 0000, L, VTR_),
PAN_V7(ETC1_RGB8, ETC2_RGB8, RGB1, L, _T__),
PAN_V7(ETC2_RGB8, ETC2_RGB8, RGB1, L, _T__),
PAN_V7(ETC2_SRGB8, ETC2_RGB8, RGB1, S, _T__),