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radeonsi: clarify the MSAA resolve limitation with scanout

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this is the correct hw requirement

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-06-08 20:51:50 +02:00
parent 789618e3b4
commit 373060652c
1 changed files with 5 additions and 1 deletions
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6
src/gallium/drivers/radeonsi/si_blit.c
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@ -859,6 +859,7 @@ static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct si_context *sctx = (struct si_context*)ctx;
struct r600_texture *src = (struct r600_texture*)info->src.resource;
struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
@ -902,7 +903,7 @@ static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
info->src.box.height == dst_height &&
info->src.box.depth == 1 &&
dst->surface.level[info->dst.level].mode >= RADEON_SURF_MODE_1D &&
!(dst->surface.flags & RADEON_SURF_SCANOUT) &&
src->surface.micro_tile_mode == dst->surface.micro_tile_mode &&
(!dst->cmask.size || !dst->dirty_level_mask)) { /* dst cannot be fast-cleared */
/* Resolving into a surface with DCC is unsupported. Since
* it's being overwritten anyway, clear it to uncompressed.
@ -946,6 +947,9 @@ static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
if (!tmp)
return false;
assert(src->surface.micro_tile_mode ==
((struct r600_texture*)tmp)->surface.micro_tile_mode);
/* resolve */
si_blitter_begin(ctx, SI_COLOR_RESOLVE |
(info->render_condition_enable ? 0 : SI_DISABLE_RENDER_COND));