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radeonsi: report supported EQAA combinations from is_format_supported

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Framebuffer without attachments now supports 16 samples.

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Marek Olšák 2018-05-23 22:56:25 -04:00
parent 20dd75a926
commit 7d36c866d2
1 changed files with 20 additions and 16 deletions
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36
src/gallium/drivers/radeonsi/si_state.c
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@ -2143,6 +2143,9 @@ static boolean si_is_format_supported(struct pipe_screen *screen,
return false;
}
if (MAX2(1, sample_count) < MAX2(1, storage_sample_count))
return false;
if (sample_count > 1) {
if (!screen->get_param(screen, PIPE_CAP_TEXTURE_MULTISAMPLE))
return false;
@ -2150,25 +2153,26 @@ static boolean si_is_format_supported(struct pipe_screen *screen,
if (usage & PIPE_BIND_SHADER_IMAGE)
return false;
if (sample_count != storage_sample_count)
/* Only power-of-two sample counts are supported. */
if (!util_is_power_of_two_or_zero(sample_count) ||
!util_is_power_of_two_or_zero(storage_sample_count))
return false;
switch (sample_count) {
case 2:
case 4:
case 8:
break;
case 16:
/* Allow resource_copy_region with nr_samples == 16. */
if (sscreen->eqaa_force_coverage_samples == 16 &&
!util_format_is_depth_or_stencil(format))
return true;
if (format == PIPE_FORMAT_NONE)
return true;
else
/* MSAA support without framebuffer attachments. */
if (format == PIPE_FORMAT_NONE && sample_count <= 16)
return true;
if (!sscreen->info.has_eqaa_surface_allocator ||
util_format_is_depth_or_stencil(format)) {
/* Color without EQAA or depth/stencil. */
if (sample_count > 8 ||
sample_count != storage_sample_count)
return false;
} else {
/* Color with EQAA. */
if (sample_count > 16 ||
storage_sample_count > 8)
return false;
default:
return false;
}
}