- struct pipe_texture *tex;
-
- switch(constant->Type) {
- case RC_CONSTANT_EXTERNAL:
- return externals->constants[constant->u.External];
-
- case RC_CONSTANT_IMMEDIATE:
- return constant->u.Immediate;
-
- case RC_CONSTANT_STATE:
- switch (constant->u.State[0]) {
- /* Factor for converting rectangle coords to
- * normalized coords. Should only show up on non-r500. */
- case RC_STATE_R300_TEXRECT_FACTOR:
- tex = texstate->fragment_sampler_views[constant->u.State[1]]->texture;
- vec[0] = 1.0 / tex->width0;
- vec[1] = 1.0 / tex->height0;
- break;
-
- /* Texture compare-fail value. Shouldn't ever show up, but if
- * it does, we'll be ready. */
- case RC_STATE_SHADOW_AMBIENT:
- vec[3] = 0;
- break;
-
- case RC_STATE_R300_VIEWPORT_SCALE:
- vec[0] = viewport->xscale;
- vec[1] = viewport->yscale;
- vec[2] = viewport->zscale;
- break;
-
- case RC_STATE_R300_VIEWPORT_OFFSET:
- vec[0] = viewport->xoffset;
- vec[1] = viewport->yoffset;
- vec[2] = viewport->zoffset;
- break;
-
- default:
- fprintf(stderr, "r300: Implementation error: "
- "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
- }
+ struct pipe_resource *tex;
+
+ assert(constant->Type == RC_CONSTANT_STATE);
+
+ switch (constant->u.State[0]) {
+ /* Factor for converting rectangle coords to
+ * normalized coords. Should only show up on non-r500. */
+ case RC_STATE_R300_TEXRECT_FACTOR:
+ tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
+ vec[0] = 1.0 / tex->width0;
+ vec[1] = 1.0 / tex->height0;
+ break;
+
+ case RC_STATE_R300_VIEWPORT_SCALE:
+ vec[0] = viewport->xscale;
+ vec[1] = viewport->yscale;
+ vec[2] = viewport->zscale;
+ break;
+
+ case RC_STATE_R300_VIEWPORT_OFFSET:
+ vec[0] = viewport->xoffset;
+ vec[1] = viewport->yoffset;
+ vec[2] = viewport->zoffset;