softpipe: reformatting, comments, minor clean-ups

[mesa.git] / src / gallium / drivers / softpipe / sp_fs_sse.c

diff --git a/src/gallium/drivers/softpipe/sp_fs_sse.c b/src/gallium/drivers/softpipe/sp_fs_sse.c
index 366abe2ed49fab78ee0e9c5f5e1f403308496103..31c3ca21c51937129f4f0c16e2844d0dc399693b 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_fs_sse.c
+++ b/src/gallium/drivers/softpipe/sp_fs_sse.c
@@ -25,13 +25,15 @@
  * 
  **************************************************************************/
 
+/**
+ * Execute fragment shader using runtime SSE code generation.
+ */
 
 #include "sp_context.h"
 #include "sp_state.h"
 #include "sp_fs.h"
 #include "sp_quad.h"
 
-
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
 #include "util/u_memory.h"
@@ -56,14 +58,25 @@ typedef void (PIPE_CDECL *codegen_function)(
  );
 
 
-struct sp_sse_fragment_shader {
+/**
+ * Subclass of sp_fragment_shader
+ */
+struct sp_sse_fragment_shader
+{
    struct sp_fragment_shader base;
-   struct x86_function             sse2_program;
+   struct x86_function sse2_program;
    codegen_function func;
    float immediates[TGSI_EXEC_NUM_IMMEDIATES][4];
 };
 
 
+/** cast wrapper */
+static INLINE struct sp_sse_fragment_shader *
+sp_sse_fragment_shader(const struct sp_fragment_shader *base)
+{
+   return (struct sp_sse_fragment_shader *) base;
+}
+
 
 static void
 fs_sse_prepare( const struct sp_fragment_shader *base,
@@ -83,7 +96,7 @@ fs_sse_run( const struct sp_fragment_shader *base,
            struct tgsi_exec_machine *machine,
            struct quad_header *quad )
 {
-   struct sp_sse_fragment_shader *shader = (struct sp_sse_fragment_shader *) base;
+   struct sp_sse_fragment_shader *shader = sp_sse_fragment_shader(base);
 
    /* Compute X, Y, Z, W vals for this quad -- place in temp[0] for now */
    sp_setup_pos_vector(quad->posCoef, 
@@ -110,7 +123,7 @@ fs_sse_run( const struct sp_fragment_shader *base,
 static void 
 fs_sse_delete( struct sp_fragment_shader *base )
 {
-   struct sp_sse_fragment_shader *shader = (struct sp_sse_fragment_shader *) base;
+   struct sp_sse_fragment_shader *shader = sp_sse_fragment_shader(base);
 
    x86_release_func( &shader->sse2_program );
    FREE(shader);
@@ -156,7 +169,7 @@ softpipe_create_fs_sse(struct softpipe_context *softpipe,
 
 #else
 
-/* Maybe put this varient in the header file.
+/* Maybe put this variant in the header file.
  */
 struct sp_fragment_shader *
 softpipe_create_fs_sse(struct softpipe_context *softpipe,