r300g: advertise S3TC only when it's available in Gallium

[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 630e2d0c8a523b5ee3581cd5c6d1d2b6693cf56a..1cc435535959db3c016fab1a3340ba5066e934aa 100644 (file)
--- a/src/gallium/drivers/r300/r300_fs.h
+++ b/src/gallium/drivers/r300/r300_fs.h
@@ -30,28 +30,52 @@
 #include "radeon_code.h"
 #include "r300_shader_semantics.h"
 
-struct r300_fragment_shader {
-    /* Parent class */
-    struct pipe_shader_state state;
-
+struct r300_fragment_shader_code {
     struct tgsi_shader_info info;
     struct r300_shader_semantics inputs;
 
-    /* Has this shader been translated yet? */
-    boolean translated;
+    /* Whether the shader was replaced by a dummy one due to a shader
+     * compilation failure. */
+    boolean dummy;
 
-    /* Compiled code */
+    /* Numbers of constants for each type. */
+    unsigned externals_count;
+    unsigned immediates_count;
+    unsigned rc_state_count;
+
+    /* Registers for fragment depth output setup. */
+    uint32_t fg_depth_src;      /* R300_FG_DEPTH_SRC: 0x4bd8 */
+    uint32_t us_out_w;          /* R300_US_W_FMT:     0x46b4 */
+
+    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;
 
-void r300_translate_fragment_shader(struct r300_context* r300,
-                                    struct r300_fragment_shader* fs);
+    /* 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;
+};
 
-static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
+void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,
+                                struct r300_shader_semantics* fs_inputs);
+
+/* 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)
 {
     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 */