vc4: Don't look up the compiled shaders unless state has changed.

Improves simulated norast performance on a little benchmark by 38.0965%
+/- 3.27534% (n=11).

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gallium/drivers/vc4/vc4_context.h b/src/gallium/drivers/vc4/vc4_context.h
index da07cfa6cb2..31dec046860 100644
--- a/src/gallium/drivers/vc4/vc4_context.h
+++ b/src/gallium/drivers/vc4/vc4_context.h
@@ -57,6 +57,7 @@
 #define VC4_DIRTY_INDEXBUF      (1 << 16)
 #define VC4_DIRTY_SCISSOR       (1 << 17)
 #define VC4_DIRTY_FLAT_SHADE_FLAGS (1 << 18)
+#define VC4_DIRTY_PRIM_MODE     (1 << 19)
 
 #define VC4_SHADER_DIRTY_VP     (1 << 0)
 #define VC4_SHADER_DIRTY_FP     (1 << 1)
@@ -177,6 +178,8 @@ struct vc4_context {
         unsigned int reg_class_any;
         unsigned int reg_class_a;
 
+        uint8_t prim_mode;
+
         /** @{ Current pipeline state objects */
         struct pipe_scissor_state scissor;
         struct pipe_blend_state *blend;