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panfrost: Setup gl_FragCoord as sysval on Bifrost

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..rather than a varying.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4883>
This commit is contained in:
Alyssa Rosenzweig 2020-05-01 12:05:01 -04:00
parent 89a41dae77
commit 30f07e0d84
2 changed files with 4 additions and 3 deletions
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2
src/gallium/drivers/panfrost/pan_cmdstream.c
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@ -1810,7 +1810,7 @@ panfrost_emit_varying_descriptor(struct panfrost_batch *batch,
varyings[gl_FragCoord].elements = MALI_VARYING_FRAG_COORD;
struct panfrost_device *device = pan_device(ctx->base.screen);
assert(!(device->quirks & IS_BIFROST) || !(reads_point_coord || fs->reads_face || fs->reads_frag_coord));
assert(!(device->quirks & IS_BIFROST) || !(reads_point_coord));
/* Let's go ahead and link varying meta to the buffer in question, now
* that that information is available. VARYING_SLOT_POS is mapped to

5
src/gallium/drivers/panfrost/pan_screen.c
View file

@ -93,6 +93,7 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
{
/* We expose in-dev stuff for dEQP that we don't want apps to use yet */
bool is_deqp = pan_debug & PAN_DBG_DEQP;
struct panfrost_device *dev = pan_device(screen);
/* Our GLES3 implementation is WIP */
bool is_gles3 = pan_debug & PAN_DBG_GLES3;
@ -195,10 +196,10 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_GENERATE_MIPMAP:
return 1;
/* We would prefer varyings */
/* We would prefer varyings on Midgard, but proper sysvals on Bifrost */
case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
return 0;
return dev->quirks & IS_BIFROST;
/* I really don't want to set this CAP but let's not swim against the
* tide.. */