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r600g: enable MSAA on evergreen by default

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v2: add the DRM version check
This commit is contained in:
Marek Olšák 2012-08-09 17:22:35 +02:00
parent 870af19d70
commit 1932bc8aae
1 changed files with 24 additions and 3 deletions
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27
src/gallium/drivers/r600/evergreen_state.c
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@ -620,6 +620,7 @@ boolean evergreen_is_format_supported(struct pipe_screen *screen,
unsigned sample_count,
unsigned usage)
{
struct r600_screen *rscreen = (struct r600_screen*)screen;
unsigned retval = 0;
if (target >= PIPE_MAX_TEXTURE_TYPES) {
@ -630,9 +631,29 @@ boolean evergreen_is_format_supported(struct pipe_screen *screen,
if (!util_format_is_supported(format, usage))
return FALSE;
/* Multisample */
if (sample_count > 1)
return FALSE;
if (sample_count > 1) {
if (rscreen->info.drm_minor < 19)
return FALSE;
if (rscreen->chip_class != EVERGREEN)
return FALSE;
switch (sample_count) {
case 2:
case 4:
case 8:
break;
default:
return FALSE;
}
/* require render-target support for multisample resources */
if (util_format_is_depth_or_stencil(format)) {
usage |= PIPE_BIND_DEPTH_STENCIL;
} else {
usage |= PIPE_BIND_RENDER_TARGET;
}
}
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
r600_is_sampler_format_supported(screen, format)) {