gallium: implement a glBitmap cache

The bitmap cache attempts to accumulate a series of glBitmap calls in a
buffer to effectively render a whole bunch of bitmaps at once.

The cache can be disabled, if needed, by setting UseBitmapCache=GL_FALSE.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c
index 0e22a2fa6e7..40e4142631b 100644
--- a/src/mesa/state_tracker/st_atom.c
+++ b/src/mesa/state_tracker/st_atom.c
@@ -32,6 +32,7 @@
 #include "pipe/p_defines.h"
 #include "st_context.h"
 #include "st_atom.h"
+#include "st_cb_bitmap.h"
 #include "st_program.h"
 
        
@@ -147,6 +148,8 @@ void st_validate_state( struct st_context *st )
    struct st_state_flags *state = &st->dirty;
    GLuint i;
 
+   st_flush_bitmap_cache(st);
+
    check_program_state( st );
 
    if (state->st == 0)