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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_program.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_program.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c
index d90bd820386..457bc2fc7f4 100644
--- a/src/mesa/drivers/dri/i965/brw_program.c
+++ b/src/mesa/drivers/dri/i965/brw_program.c
@@ -111,6 +111,8 @@ static void brwProgramStringNotify( GLcontext *ctx,
struct gl_program *prog )
{
struct brw_context *brw = brw_context(ctx);
+ struct intel_context *intel = &brw->intel;
+
if (target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
struct brw_fragment_program *newFP = brw_fragment_program(fprog);
@@ -126,6 +128,24 @@ static void brwProgramStringNotify( GLcontext *ctx,
brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = brw->program_id++;
newFP->isGLSL = brw_wm_is_glsl(fprog);
+
+ /* alloc constant buffer/surface */
+ {
+ const struct gl_program_parameter_list *params = prog->Parameters;
+ const int size = params->NumParameters * 4 * sizeof(GLfloat);
+
+ /* free old const buffer if too small */
+ if (newFP->const_buffer && newFP->const_buffer->size < size) {
+ dri_bo_unreference(newFP->const_buffer);
+ newFP->const_buffer = NULL;
+ }
+
+ if (!newFP->const_buffer) {
+ newFP->const_buffer = drm_intel_bo_alloc(intel->bufmgr,
+ "fp_const_buffer",
+ size, 64);
+ }
+ }
}
else if (target == GL_VERTEX_PROGRAM_ARB) {
struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;