i965: another checkpoint commit of new constant buffer support

Everything is in place now for using a true constant buffer for GLSL fragment
shaders.  Still some bugs to find though.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index 98c22121ec..d0ab3bdc65 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -253,6 +253,14 @@ struct brw_wm_compile {
    GLuint tmp_index;
    GLuint tmp_max;
    GLuint subroutines[BRW_WM_MAX_SUBROUTINE];
+
+   /** using a real constant buffer? */
+   GLboolean use_const_buffer;
+   /** we may need up to 3 constants per instruction (if use_const_buffer) */
+   struct {
+      GLint index;
+      struct brw_reg reg;
+   } current_const[3];
 };