+ if (old_key->program_string_id == key->program_string_id)
+ break;
+ }
+ }
+ if (c)
+ break;
+ }
+
+ if (!c) {
+ perf_debug(" Didn't find previous compile in the shader cache for debug\n");
+ return;
+ }
+
+ found |= key_debug(brw, "alphatest, computed depth, depth test, or "
+ "depth write",
+ old_key->iz_lookup, key->iz_lookup);
+ found |= key_debug(brw, "depth statistics",
+ old_key->stats_wm, key->stats_wm);
+ found |= key_debug(brw, "flat shading",
+ old_key->flat_shade, key->flat_shade);
+ found |= key_debug(brw, "number of color buffers",
+ old_key->nr_color_regions, key->nr_color_regions);
+ found |= key_debug(brw, "MRT alpha test or alpha-to-coverage",
+ old_key->replicate_alpha, key->replicate_alpha);
+ found |= key_debug(brw, "rendering to FBO",
+ old_key->render_to_fbo, key->render_to_fbo);
+ found |= key_debug(brw, "fragment color clamping",
+ old_key->clamp_fragment_color, key->clamp_fragment_color);
+ found |= key_debug(brw, "line smoothing",
+ old_key->line_aa, key->line_aa);
+ found |= key_debug(brw, "renderbuffer height",
+ old_key->drawable_height, key->drawable_height);
+ found |= key_debug(brw, "input slots valid",
+ old_key->input_slots_valid, key->input_slots_valid);
+ found |= key_debug(brw, "mrt alpha test function",
+ old_key->alpha_test_func, key->alpha_test_func);
+ found |= key_debug(brw, "mrt alpha test reference value",
+ old_key->alpha_test_ref, key->alpha_test_ref);
+
+ found |= brw_debug_recompile_sampler_key(brw, &old_key->tex, &key->tex);
+
+ if (!found) {
+ perf_debug(" Something else\n");
+ }
+}
+
+static uint8_t
+gen6_gather_workaround(GLenum internalformat)
+{
+ switch (internalformat) {
+ case GL_R8I: return WA_SIGN | WA_8BIT;
+ case GL_R8UI: return WA_8BIT;
+ case GL_R16I: return WA_SIGN | WA_16BIT;
+ case GL_R16UI: return WA_16BIT;
+ /* note that even though GL_R32I and GL_R32UI have format overrides
+ * in the surface state, there is no shader w/a required */
+ default: return 0;
+ }