ilo: introduce sampler CSO

Introduce ilo_sampler_cso and initialize it in create_sampler_state().  This
saves us from having to perform CPU-intensive calculations to construct
hardware sampler states in draw_vbo().

1 files changed, 22 insertions, 1 deletions

diff --git a/src/gallium/drivers/ilo/ilo_gpe.h b/src/gallium/drivers/ilo/ilo_gpe.h
index 810a625730c..467a6b3a216 100644
--- a/src/gallium/drivers/ilo/ilo_gpe.h
+++ b/src/gallium/drivers/ilo/ilo_gpe.h
@@ -111,8 +111,24 @@ struct ilo_blend_state {
    struct pipe_blend_state state;
 };
 
+struct ilo_sampler_cso {
+   /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
+   uint32_t payload[15];
+
+   uint32_t dw_filter;
+   uint32_t dw_filter_aniso;
+   uint32_t dw_wrap;
+   uint32_t dw_wrap_1d;
+   uint32_t dw_wrap_cube;
+
+   bool anisotropic;
+   bool saturate_r;
+   bool saturate_s;
+   bool saturate_t;
+};
+
 struct ilo_sampler_state {
-   struct pipe_sampler_state *states[ILO_MAX_SAMPLERS];
+   const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
    unsigned count;
 };
 
@@ -175,4 +191,9 @@ void
 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
                          struct ilo_scissor_state *scissor);
 
+void
+ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
+                         const struct pipe_sampler_state *state,
+                         struct ilo_sampler_cso *sampler);
+
 #endif /* ILO_GPE_H */