r300g: clean up derived states

The state setups which aren't derived anymore have been moved to the VS
and FS objects.

1 files changed, 41 insertions, 1 deletions

diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c
index 29ddc84c411..9cc833e6062 100644
--- a/src/gallium/drivers/r300/r300_fs.c
+++ b/src/gallium/drivers/r300/r300_fs.c
@@ -1,6 +1,7 @@
 /*
  * Copyright 2008 Corbin Simpson <[email protected]>
  *                Joakim Sindholt <[email protected]>
+ * Copyright 2009 Marek Olšák <[email protected]>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -31,6 +32,40 @@
 #include "radeon_code.h"
 #include "radeon_compiler.h"
 
+/* Convert info about FS input semantics to r300_shader_semantics. */
+static void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,
+                                       struct r300_shader_semantics* fs_inputs)
+{
+    int i;
+    unsigned index;
+
+    r300_shader_semantics_reset(fs_inputs);
+
+    for (i = 0; i < info->num_inputs; i++) {
+        index = info->input_semantic_index[i];
+
+        switch (info->input_semantic_name[i]) {
+            case TGSI_SEMANTIC_COLOR:
+                assert(index <= ATTR_COLOR_COUNT);
+                fs_inputs->color[index] = i;
+                break;
+
+            case TGSI_SEMANTIC_GENERIC:
+                assert(index <= ATTR_GENERIC_COUNT);
+                fs_inputs->generic[index] = i;
+                break;
+
+            case TGSI_SEMANTIC_FOG:
+                assert(index == 0);
+                fs_inputs->fog = i;
+                break;
+
+            default:
+                assert(0);
+        }
+    }
+}
+
 static void find_output_registers(struct r300_fragment_program_compiler * compiler,
                                   struct r300_fragment_shader * fs)
 {
@@ -98,6 +133,10 @@ void r300_translate_fragment_shader(struct r300_context* r300,
     struct r300_fragment_program_compiler compiler;
     struct tgsi_to_rc ttr;
 
+    /* Initialize. */
+    r300_shader_read_fs_inputs(&fs->info, &fs->inputs);
+
+    /* Setup the compiler. */
     memset(&compiler, 0, sizeof(compiler));
     rc_init(&compiler.Base);
     compiler.Base.Debug = DBG_ON(r300, DBG_FP);
@@ -107,7 +146,7 @@ void r300_translate_fragment_shader(struct r300_context* r300,
     compiler.AllocateHwInputs = &allocate_hardware_inputs;
     compiler.UserData = fs;
 
-    /* TODO: Program compilation depends on texture compare modes,
+    /* XXX: Program compilation depends on texture compare modes,
      * which are sampler state. Therefore, programs need to be recompiled
      * depending on this state as in the classic Mesa driver.
      *
@@ -133,6 +172,7 @@ void r300_translate_fragment_shader(struct r300_context* r300,
         /* XXX failover maybe? */
         DBG(r300, DBG_FP, "r300: Error compiling fragment program: %s\n",
             compiler.Base.ErrorMsg);
+        assert(0);
     }
 
     /* And, finally... */