summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i965/brw_wm.h
diff options
context:
space:
mode:
authorEric Anholt <eric@anholt.net>2009-09-11 14:09:03 -0700
committerEric Anholt <eric@anholt.net>2009-09-11 14:13:47 -0700
commit57d16c4cc37689710f951cb13981e2efc160cd23 (patch)
treedb32d0e4604cb951f2a3ddca51ca558bf236d70b /src/mesa/drivers/dri/i965/brw_wm.h
parenta79eecb9139169fa8c99c0f9cf26db95f3983a36 (diff)
i965: Move OPCODE_DDX/DDY to brw_wm_emit.c and make it actually work.
Previously, it was trying to mess around with the varying's WM setup data to produce a result. Along with not actually working when passed a varying, this wouldn't work if you did dFd[xy]() on a temporary. Instead, just calculate the derivative using the neighbors in the subspan.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm.h')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index ae98b5492d..872b1f3ecf 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -38,6 +38,8 @@
#include "brw_context.h"
#include "brw_eu.h"
+#define SATURATE (1<<5)
+
/* A big lookup table is used to figure out which and how many
* additional regs will inserted before the main payload in the WM
* program execution. These mainly relate to depth and stencil
@@ -203,7 +205,6 @@ struct brw_wm_compile {
GLuint fp_temp;
GLuint fp_interp_emitted;
GLuint fp_fragcolor_emitted;
- GLuint fp_deriv_emitted;
struct prog_src_register pixel_xy;
struct prog_src_register delta_xy;
@@ -299,5 +300,10 @@ void brw_wm_lookup_iz( GLuint line_aa,
GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp);
void brw_wm_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c);
+void emit_ddxy(struct brw_compile *p,
+ const struct brw_reg *dst,
+ GLuint mask,
+ GLboolean is_ddx,
+ const struct brw_reg *arg0);
#endif