mesa: Refator _mesa_BindSampler to make _mesa_bind_sampler

Pulls the parts of _mesa_BindSampler that aren't just parameter
validation out into a function that can be called from other parts of
Mesa (e.g., meta).

Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

2 files changed, 16 insertions, 6 deletions

diff --git a/src/mesa/main/samplerobj.c b/src/mesa/main/samplerobj.c
index 62078f8ad05..fe15508696e 100644
--- a/src/mesa/main/samplerobj.c
+++ b/src/mesa/main/samplerobj.c
@@ -270,6 +270,17 @@ _mesa_IsSampler(GLuint sampler)
    return sampObj != NULL;
 }
 
+void
+_mesa_bind_sampler(struct gl_context *ctx, GLuint unit,
+                   struct gl_sampler_object *sampObj)
+{
+   if (ctx->Texture.Unit[unit].Sampler != sampObj) {
+      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+   }
+
+   _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler,
+                                  sampObj);
+}
 
 void GLAPIENTRY
 _mesa_BindSampler(GLuint unit, GLuint sampler)
@@ -297,13 +308,8 @@ _mesa_BindSampler(GLuint unit, GLuint sampler)
       }
    }
    
-   if (ctx->Texture.Unit[unit].Sampler != sampObj) {
-      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-   }
-
    /* bind new sampler */
-   _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler,
-                                  sampObj);
+   _mesa_bind_sampler(ctx, unit, sampObj);
 }
 
 
diff --git a/src/mesa/main/samplerobj.h b/src/mesa/main/samplerobj.h
index 68a924ce931..abc6e019046 100644
--- a/src/mesa/main/samplerobj.h
+++ b/src/mesa/main/samplerobj.h
@@ -93,6 +93,10 @@ extern void
 _mesa_set_sampler_srgb_decode(struct gl_context *ctx,
                               struct gl_sampler_object *samp, GLenum param);
 
+extern void
+_mesa_bind_sampler(struct gl_context *ctx, GLuint unit,
+                   struct gl_sampler_object *sampObj);
+
 void GLAPIENTRY
 _mesa_GenSamplers(GLsizei count, GLuint *samplers);
 void GLAPIENTRY