[Mesa-dev] [PATCH 67/71] st/nine: Catch setting the same shader

[Axel Davy]

This is quite rare that an app does set again
the same shaders, but it isn't an expensive check
either.

Signed-off-by: Axel Davy <axel.davy at ens.fr>
---
 src/gallium/state_trackers/nine/device9.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c
index 7b2a2f1..f136b04 100644
--- a/src/gallium/state_trackers/nine/device9.c
+++ b/src/gallium/state_trackers/nine/device9.c
@@ -3259,6 +3259,9 @@ NineDevice9_SetVertexShader( struct NineDevice9 *This,
 
     DBG("This=%p pShader=%p\n", This, pShader);
 
+    if (!This->is_recording && state->vs == (struct NineVertexShader9*)pShader)
+      return D3D_OK;
+
     /* ff -> non-ff: commit back non-ff constants */
     if (!state->vs && pShader)
         state->commit |= NINE_STATE_COMMIT_CONST_VS;
@@ -3612,6 +3615,9 @@ NineDevice9_SetPixelShader( struct NineDevice9 *This,
 
     DBG("This=%p pShader=%p\n", This, pShader);
 
+    if (!This->is_recording && state->ps == (struct NinePixelShader9*)pShader)
+      return D3D_OK;
+
     /* ff -> non-ff: commit back non-ff constants */
     if (!state->ps && pShader)
         state->commit |= NINE_STATE_COMMIT_CONST_PS;
-- 
2.1.0