- if (*cbuf) {
- st_no_flush_pipe_buffer_write(ctx, *cbuf,
- 0, param_bytes, buffer);
- }
-
- ctx->pipe->set_constant_buffer(ctx->pipe, PIPE_SHADER_FRAGMENT, 0, *cbuf);
-}
-
-static void setup_samplers(struct vg_context *ctx, struct filter_info *info)
-{
- struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
- struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
- struct pipe_sampler_state sampler[3];
- int num_samplers = 0;
- int num_textures = 0;
-
- samplers[0] = NULL;
- samplers[1] = NULL;
- samplers[2] = NULL;
- samplers[3] = NULL;
- textures[0] = NULL;
- textures[1] = NULL;
- textures[2] = NULL;
- textures[3] = NULL;
-
- memset(&sampler[0], 0, sizeof(struct pipe_sampler_state));
- sampler[0].wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler[0].wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler[0].wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler[0].min_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
- sampler[0].mag_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
- sampler[0].normalized_coords = 1;
-
- switch(info->tiling_mode) {
- case VG_TILE_FILL:
- sampler[0].wrap_s = PIPE_TEX_WRAP_CLAMP_TO_BORDER;
- sampler[0].wrap_t = PIPE_TEX_WRAP_CLAMP_TO_BORDER;
- memcpy(sampler[0].border_color,
- ctx->state.vg.tile_fill_color,
- sizeof(VGfloat) * 4);
- break;
- case VG_TILE_PAD:
- sampler[0].wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler[0].wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- break;
- case VG_TILE_REPEAT:
- sampler[0].wrap_s = PIPE_TEX_WRAP_REPEAT;
- sampler[0].wrap_t = PIPE_TEX_WRAP_REPEAT;
- break;
- case VG_TILE_REFLECT:
- sampler[0].wrap_s = PIPE_TEX_WRAP_MIRROR_REPEAT;
- sampler[0].wrap_t = PIPE_TEX_WRAP_MIRROR_REPEAT;
- break;
- default:
- debug_assert(!"Unknown tiling mode");
- }
-
- samplers[0] = &sampler[0];
- textures[0] = info->src->texture;
- ++num_samplers;
- ++num_textures;
-
- if (info->extra_texture) {
- memcpy(&sampler[1], &sampler[0], sizeof(struct pipe_sampler_state));
- samplers[1] = &sampler[1];
- textures[1] = info->extra_texture;
- ++num_samplers;
- ++num_textures;
- }
-
-
- cso_set_samplers(ctx->cso_context, num_samplers, (const struct pipe_sampler_state **)samplers);
- cso_set_sampler_textures(ctx->cso_context, num_textures, textures);