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gallium/softpipe/draw: support samplers in geometry shaders

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This commit is contained in:
Zack Rusin
2010-06-11 13:31:52 -04:00
parent 2396967038
commit 53bd9796a1
11 changed files with 153 additions and 5 deletions
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77
src/gallium/drivers/softpipe/sp_state_sampler.c
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@@ -121,6 +121,33 @@ softpipe_bind_vertex_sampler_states(struct pipe_context *pipe,
softpipe->dirty |= SP_NEW_SAMPLER;
}
void
softpipe_bind_geometry_sampler_states(struct pipe_context *pipe,
unsigned num_samplers,
void **samplers)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
unsigned i;
assert(num_samplers <= PIPE_MAX_GEOMETRY_SAMPLERS);
/* Check for no-op */
if (num_samplers == softpipe->num_geometry_samplers &&
!memcmp(softpipe->geometry_samplers, samplers, num_samplers * sizeof(void *)))
return;
draw_flush(softpipe->draw);
for (i = 0; i < num_samplers; ++i)
softpipe->geometry_samplers[i] = samplers[i];
for (i = num_samplers; i < PIPE_MAX_GEOMETRY_SAMPLERS; ++i)
softpipe->geometry_samplers[i] = NULL;
softpipe->num_geometry_samplers = num_samplers;
softpipe->dirty |= SP_NEW_SAMPLER;
}
struct pipe_sampler_view *
softpipe_create_sampler_view(struct pipe_context *pipe,
@@ -210,6 +237,36 @@ softpipe_set_vertex_sampler_views(struct pipe_context *pipe,
softpipe->dirty |= SP_NEW_TEXTURE;
}
void
softpipe_set_geometry_sampler_views(struct pipe_context *pipe,
unsigned num,
struct pipe_sampler_view **views)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
uint i;
assert(num <= PIPE_MAX_GEOMETRY_SAMPLERS);
/* Check for no-op */
if (num == softpipe->num_geometry_sampler_views &&
!memcmp(softpipe->geometry_sampler_views, views, num * sizeof(struct pipe_sampler_view *))) {
return;
}
draw_flush(softpipe->draw);
for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) {
struct pipe_sampler_view *view = i < num ? views[i] : NULL;
pipe_sampler_view_reference(&softpipe->geometry_sampler_views[i], view);
sp_tex_tile_cache_set_sampler_view(softpipe->geometry_tex_cache[i], view);
}
softpipe->num_geometry_sampler_views = num;
softpipe->dirty |= SP_NEW_TEXTURE;
}
/**
* Find/create an sp_sampler_varient object for sampling the given texture,
@@ -293,6 +350,26 @@ softpipe_reset_sampler_varients(struct softpipe_context *softpipe)
}
}
for (i = 0; i <= softpipe->gs->max_sampler; i++) {
if (softpipe->geometry_samplers[i]) {
struct pipe_resource *texture = NULL;
if (softpipe->geometry_sampler_views[i]) {
texture = softpipe->geometry_sampler_views[i]->texture;
}
softpipe->tgsi.geom_samplers_list[i] =
get_sampler_varient( i,
sp_sampler(softpipe->geometry_samplers[i]),
texture,
TGSI_PROCESSOR_GEOMETRY );
sp_sampler_varient_bind_texture( softpipe->tgsi.geom_samplers_list[i],
softpipe->geometry_tex_cache[i],
texture );
}
}
for (i = 0; i <= softpipe->fs->info.file_max[TGSI_FILE_SAMPLER]; i++) {
if (softpipe->sampler[i]) {
struct pipe_resource *texture = NULL;