void
softpipe_set_sampler_views(struct pipe_context *pipe,
unsigned shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
uint i;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
draw_flush(softpipe->draw);
/* set the new sampler views */
for (i = 0; i < num; i++) {
struct sp_sampler_view *sp_sviewsrc;
struct sp_sampler_view *sp_sviewdst =
&softpipe->tgsi.sampler[shader]->sp_sview[start + i];
struct pipe_sampler_view **pview = &softpipe->sampler_views[shader][start + i];
pipe_sampler_view_reference(pview, views[i]);
sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[shader][start + i],
views[i]);
/*
* We don't really have variants, however some bits are different per shader,
* so just copy?
*/
sp_sviewsrc = (struct sp_sampler_view *)*pview;
if (sp_sviewsrc) {
memcpy(sp_sviewdst, sp_sviewsrc, sizeof(*sp_sviewsrc));
sp_sviewdst->compute_lambda = softpipe_get_lambda_func(&sp_sviewdst->base, shader);
sp_sviewdst->cache = softpipe->tex_cache[shader][start + i];
}
else {
memset(sp_sviewdst, 0, sizeof(*sp_sviewsrc));
}
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(softpipe->num_sampler_views[shader], start + num);
while (j > 0 && softpipe->sampler_views[shader][j - 1] == NULL)
j--;
softpipe->num_sampler_views[shader] = j;
}
if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_sampler_views(softpipe->draw,
shader,
softpipe->sampler_views[shader],
softpipe->num_sampler_views[shader]);
}
softpipe->dirty |= SP_NEW_TEXTURE;
}
static void
softpipe_set_sampler_views(struct pipe_context *pipe,
unsigned shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
uint i;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= Elements(softpipe->sampler_views[shader]));
/* Check for no-op */
if (start + num <= softpipe->num_sampler_views[shader] &&
!memcmp(softpipe->sampler_views[shader] + start, views,
num * sizeof(struct pipe_sampler_view *))) {
return;
}
draw_flush(softpipe->draw);
/* set the new sampler views */
for (i = 0; i < num; i++) {
pipe_sampler_view_reference(&softpipe->sampler_views[shader][start + i],
views[i]);
sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[shader][start + i],
views[i]);
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(softpipe->num_sampler_views[shader], start + num);
while (j > 0 && softpipe->sampler_views[shader][j - 1] == NULL)
j--;
softpipe->num_sampler_views[shader] = j;
}
if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_sampler_views(softpipe->draw,
shader,
softpipe->sampler_views[shader],
softpipe->num_sampler_views[shader]);
}
softpipe->dirty |= SP_NEW_TEXTURE;
}
/**
* Should be called when polygon stipple is enabled/disabled or when
* the fragment shader changes.
* We add/update the fragment sampler and sampler views to sample from
* the polygon stipple texture. The texture unit that we use depends on
* the fragment shader (we need to use a unit not otherwise used by the
* shader).
*/
static void
update_polygon_stipple_enable(struct softpipe_context *softpipe, unsigned prim)
{
if (prim == PIPE_PRIM_TRIANGLES &&
softpipe->fs_variant->key.polygon_stipple) {
const unsigned unit = softpipe->fs_variant->stipple_sampler_unit;
/* sampler state */
softpipe->samplers[PIPE_SHADER_FRAGMENT][unit] = softpipe->pstipple.sampler;
/* sampler view */
pipe_sampler_view_reference(&softpipe->sampler_views[PIPE_SHADER_FRAGMENT][unit],
softpipe->pstipple.sampler_view);
sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[PIPE_SHADER_FRAGMENT][unit],
softpipe->pstipple.sampler_view);
softpipe->dirty |= SP_NEW_SAMPLER;
}
}
