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freedreno: Add support for EXT_multisampled_render_to_texture 

There is not much to do in freedreno - tile layout and multisample
state for gmem renderings is programmed based on the pfb sample count,
while resolve blits take the destination sample count from the resource.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
This commit is contained in:
Kristian H. Kristensen 2018-11-05 21:23:27 -08:00
parent 913eb7fa58
commit 3e55df4f83
3 changed files with 7 additions and 1 deletions
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4
src/gallium/drivers/freedreno/freedreno_batch_cache.c
View File

@ -81,7 +81,8 @@ struct key {
struct {
struct pipe_resource *texture;
union pipe_surface_desc u;
uint16_t pos, format;
uint8_t pos, samples;
uint16_t format;
} surf[0];
};
@ -401,6 +402,7 @@ key_surf(struct key *key, unsigned idx, unsigned pos, struct pipe_surface *psurf
key->surf[idx].texture = psurf->texture;
key->surf[idx].u = psurf->u;
key->surf[idx].pos = pos;
key->surf[idx].samples = psurf->nr_samples;
key->surf[idx].format = psurf->format;
}

3
src/gallium/drivers/freedreno/freedreno_screen.c
View File

@ -225,6 +225,9 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_MULTISAMPLE:
return is_a5xx(screen) || is_a6xx(screen);
case PIPE_CAP_SURFACE_SAMPLE_COUNT:
return is_a6xx(screen);
case PIPE_CAP_DEPTH_CLIP_DISABLE:
return is_a3xx(screen) || is_a4xx(screen);

1
src/gallium/drivers/freedreno/freedreno_surface.c
View File

@ -53,6 +53,7 @@ fd_create_surface(struct pipe_context *pctx,
psurf->format = surf_tmpl->format;
psurf->width = u_minify(ptex->width0, level);
psurf->height = u_minify(ptex->height0, level);
psurf->nr_samples = surf_tmpl->nr_samples;
if (ptex->target == PIPE_BUFFER) {
psurf->u.buf.first_element = surf_tmpl->u.buf.first_element;