r300g: add generating texture coordinates for point sprites

[mesa.git] / src / gallium / drivers / r300 / r300_fs.h

diff --git a/src/gallium/drivers/r300/r300_fs.h b/src/gallium/drivers/r300/r300_fs.h
index 8dfb139738738d07fbaa95f9a5886e9ea1bb507e..18da5f7562508ef10dfcfe6b832cf6644017eee3 100644 (file)
--- a/src/gallium/drivers/r300/r300_fs.h
+++ b/src/gallium/drivers/r300/r300_fs.h
@@ -1,6 +1,7 @@
 /*
  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
  *                Joakim Sindholt <opensource@zhasha.com>
+ * Copyright 2009 Marek Olšák <maraeo@gmail.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -25,32 +26,59 @@
 #define R300_FS_H
 
 #include "pipe/p_state.h"
-
 #include "tgsi/tgsi_scan.h"
+#include "radeon_code.h"
+#include "r300_shader_semantics.h"
+
+struct r300_fragment_shader_code {
+    struct tgsi_shader_info info;
+    struct r300_shader_semantics inputs;
+
+    /* Whether the shader was replaced by a dummy one due to a shader
+     * compilation failure. */
+    boolean dummy;
 
-#include "r3xx_fs.h"
-#include "r5xx_fs.h"
+    /* Bits 0-15: TRUE if it's a shadow sampler, FALSE otherwise. */
+    unsigned shadow_samplers;
+
+    /* Numbers of constants for each type. */
+    unsigned externals_count;
+    unsigned immediates_count;
+    unsigned rc_state_count;
+
+    struct r300_fragment_program_external_state compare_state;
+    struct rX00_fragment_program_code code;
+
+    struct r300_fragment_shader_code* next;
+};
 
 struct r300_fragment_shader {
     /* Parent class */
     struct pipe_shader_state state;
-    struct tgsi_shader_info info;
 
-    /* Has this shader been translated yet? */
-    boolean translated;
+    /* Bits 0-15: TRUE if it's a shadow sampler, FALSE otherwise.
+     * Initialized from the first compiled FS. */
+    unsigned shadow_samplers;
 
-    /* Compiled code */
-    struct rX00_fragment_program_code code;
+    /* Currently-bound fragment shader. */
+    struct r300_fragment_shader_code* shader;
+
+    /* List of the same shaders compiled with different texture-compare
+     * states. */
+    struct r300_fragment_shader_code* first;
 };
 
+void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,
+                                struct r300_shader_semantics* fs_inputs);
 
-void r300_translate_fragment_shader(struct r300_context* r300,
-                                    struct r300_fragment_shader* fs);
+/* Return TRUE if the shader was switched and should be re-emitted. */
+boolean r300_pick_fragment_shader(struct r300_context* r300);
 
-static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
+static INLINE boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
 {
     if (!fs)
-       return FALSE;
-    return (fs->code.writes_depth) ? TRUE : FALSE;
+        return FALSE;
+    return (fs->shader->code.writes_depth) ? TRUE : FALSE;
 }
+
 #endif /* R300_FS_H */