mesa: Use a new, more specific hook for shader uniform changes.

Gallium drivers and i965 don't require special notification when
sampler uniforms change.  They simply see the _NEW_TEXTURE and adjust
their indirection tables.  These drivers don't want ProgramStringNotify:
it simply causes pointless recompiles.

Unfortunately, i915 still requires shader recompiles and needs
ProgramStringNotify.  Rather than trying to fix that, simply change the
hook to a new, more specific one: ShaderUniformChange.  On i915, this
translates to ProgramStringNotify; others simply ignore it.

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index 5b7e93ecc40..7a6e0673678 100644
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -1303,6 +1303,13 @@ i915ProgramStringNotify(struct gl_context * ctx,
    return true;
 }
 
+static void
+i915SamplerUniformChange(struct gl_context *ctx,
+                         GLenum target, struct gl_program *prog)
+{
+   i915ProgramStringNotify(ctx, target, prog);
+}
+
 void
 i915_update_program(struct gl_context *ctx)
 {
@@ -1456,4 +1463,5 @@ i915InitFragProgFuncs(struct dd_function_table *functions)
    functions->DeleteProgram = i915DeleteProgram;
    functions->IsProgramNative = i915IsProgramNative;
    functions->ProgramStringNotify = i915ProgramStringNotify;
+   functions->SamplerUniformChange = i915SamplerUniformChange;
 }