r600g: consolidate and optimize sampler states changes for evergreen

Only set sampler states which changed.

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 11cd3297148ad6857012e7603984c4b87f8a3ca6..d4e9fae4445aa1dd3620113f4edfa5c32d14f897 100644 (file)
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1115,27 +1115,35 @@ static void evergreen_set_ps_sampler_views(struct pipe_context *ctx, unsigned co
                               r600_context_pipe_state_set_ps_resource);
 }
 
-static void evergreen_bind_ps_sampler(struct pipe_context *ctx, unsigned count, void **states)
+static void evergreen_bind_samplers(struct r600_context *rctx,
+                                   struct r600_textures_info *dst,
+                                   unsigned count, void **states,
+                                   void (*set_sampler)(struct r600_context *ctx, struct r600_pipe_state *state, unsigned id))
 {
-       struct r600_context *rctx = (struct r600_context *)ctx;
-       struct r600_pipe_state **rstates = (struct r600_pipe_state **)states;
-
-       memcpy(rctx->ps_samplers.samplers, states, sizeof(void*) * count);
-       rctx->ps_samplers.n_samplers = count;
+       struct r600_pipe_sampler_state **rstates = (struct r600_pipe_sampler_state**)states;
 
        for (int i = 0; i < count; i++) {
-               evergreen_context_pipe_state_set_ps_sampler(rctx, rstates[i], i);
+               if (rstates[i] != dst->samplers[i]) {
+                       set_sampler(rctx, &rstates[i]->rstate, i);
+               }
        }
+
+       memcpy(dst->samplers, states, sizeof(void*) * count);
+       dst->n_samplers = count;
 }
 
-static void evergreen_bind_vs_sampler(struct pipe_context *ctx, unsigned count, void **states)
+static void evergreen_bind_ps_samplers(struct pipe_context *ctx, unsigned count, void **states)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
-       struct r600_pipe_state **rstates = (struct r600_pipe_state **)states;
+       evergreen_bind_samplers(rctx, &rctx->ps_samplers, count, states,
+                               evergreen_context_pipe_state_set_ps_sampler);
+}
 
-       for (int i = 0; i < count; i++) {
-               evergreen_context_pipe_state_set_vs_sampler(rctx, rstates[i], i);
-       }
+static void evergreen_bind_vs_samplers(struct pipe_context *ctx, unsigned count, void **states)
+{
+       struct r600_context *rctx = (struct r600_context *)ctx;
+       evergreen_bind_samplers(rctx, &rctx->vs_samplers, count, states,
+                               evergreen_context_pipe_state_set_vs_sampler);
 }
 
 static void evergreen_set_clip_state(struct pipe_context *ctx,
@@ -1869,11 +1877,11 @@ void evergreen_init_state_functions(struct r600_context *rctx)
        rctx->context.create_vs_state = r600_create_shader_state_vs;
        rctx->context.bind_blend_state = r600_bind_blend_state;
        rctx->context.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
-       rctx->context.bind_fragment_sampler_states = evergreen_bind_ps_sampler;
+       rctx->context.bind_fragment_sampler_states = evergreen_bind_ps_samplers;
        rctx->context.bind_fs_state = r600_bind_ps_shader;
        rctx->context.bind_rasterizer_state = r600_bind_rs_state;
        rctx->context.bind_vertex_elements_state = r600_bind_vertex_elements;
-       rctx->context.bind_vertex_sampler_states = evergreen_bind_vs_sampler;
+       rctx->context.bind_vertex_sampler_states = evergreen_bind_vs_samplers;
        rctx->context.bind_vs_state = r600_bind_vs_shader;
        rctx->context.delete_blend_state = r600_delete_state;
        rctx->context.delete_depth_stencil_alpha_state = r600_delete_state;