From 0c75cb5afe81b0de9d006f9f9b75fdc9a15038d0 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Tue, 12 May 2009 19:51:44 -0600
Subject: [PATCH] st: reformatting, comments, var renaming

---
 src/mesa/state_tracker/st_atom_constbuf.c | 48 ++++++++++++++---------
 1 file changed, 29 insertions(+), 19 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c
index 3ba7b269285..5d4d8eee02f 100644
--- a/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/src/mesa/state_tracker/st_atom_constbuf.c
@@ -24,11 +24,12 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  * 
  **************************************************************************/
- /*
-  * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
-  *   Brian Paul
-  */
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ *   Brian Paul
+ */
 
 #include "main/imports.h"
 #include "shader/prog_parameter.h"
@@ -44,19 +45,21 @@
 #include "st_program.h"
 #include "st_inlines.h"
 
+
 /**
  * Pass the given program parameters to the graphics pipe as a
  * constant buffer.
- * \param id  either PIPE_SHADER_VERTEX or PIPE_SHADER_FRAGMENT
+ * \param shader_type  either PIPE_SHADER_VERTEX or PIPE_SHADER_FRAGMENT
  */
 void st_upload_constants( struct st_context *st,
                           struct gl_program_parameter_list *params,
-                          unsigned id)
+                          unsigned shader_type)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_constant_buffer *cbuf = &st->state.constants[id];
+   struct pipe_constant_buffer *cbuf = &st->state.constants[shader_type];
 
-   assert(id == PIPE_SHADER_VERTEX || id == PIPE_SHADER_FRAGMENT);
+   assert(shader_type == PIPE_SHADER_VERTEX ||
+          shader_type == PIPE_SHADER_FRAGMENT);
 
    /* update constants */
    if (params && params->NumParameters) {
@@ -68,13 +71,14 @@ void st_upload_constants( struct st_context *st,
        * avoid gratuitous rendering synchronization.
        */
       pipe_buffer_reference(&cbuf->buffer, NULL );
-      cbuf->buffer = pipe_buffer_create(pipe->screen, 16, PIPE_BUFFER_USAGE_CONSTANT,
+      cbuf->buffer = pipe_buffer_create(pipe->screen, 16,
+                                        PIPE_BUFFER_USAGE_CONSTANT,
 					paramBytes );
 
-      if (0)
-      {
-	 printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", 
-                __FUNCTION__, id, params->NumParameters, params->StateFlags);
+      if (0) {
+	 debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", 
+                      __FUNCTION__, shader_type, params->NumParameters,
+                      params->StateFlags);
          _mesa_print_parameter_list(params);
       }
 
@@ -84,15 +88,16 @@ void st_upload_constants( struct st_context *st,
 				       0, paramBytes,
 				       params->ParameterValues);
 
-      st->pipe->set_constant_buffer(st->pipe, id, 0, cbuf);
+      st->pipe->set_constant_buffer(st->pipe, shader_type, 0, cbuf);
    }
    else {
-      st->constants.tracked_state[id].dirty.mesa = 0;
-      //  st->pipe->set_constant_buffer(st->pipe, id, 0, NULL);
+      st->constants.tracked_state[shader_type].dirty.mesa = 0x0;
    }
 }
 
-/* Vertex shader:
+
+/**
+ * Vertex shader:
  */
 static void update_vs_constants(struct st_context *st )
 {
@@ -102,6 +107,7 @@ static void update_vs_constants(struct st_context *st )
    st_upload_constants( st, params, PIPE_SHADER_VERTEX );
 }
 
+
 const struct st_tracked_state st_update_vs_constants = {
    "st_update_vs_constants",				/* name */
    {							/* dirty */
@@ -111,7 +117,10 @@ const struct st_tracked_state st_update_vs_constants = {
    update_vs_constants					/* update */
 };
 
-/* Fragment shader:
+
+
+/**
+ * Fragment shader:
  */
 static void update_fs_constants(struct st_context *st )
 {
@@ -121,6 +130,7 @@ static void update_fs_constants(struct st_context *st )
    st_upload_constants( st, params, PIPE_SHADER_FRAGMENT );
 }
 
+
 const struct st_tracked_state st_update_fs_constants = {
    "st_update_fs_constants",				/* name */
    {							/* dirty */
-- 
2.30.2