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authorBen Skeggs <[email protected]>2008-11-10 15:53:51 +1100
committerBen Skeggs <[email protected]>2008-11-10 15:53:51 +1100
commit32e6be6362e44609d36c2fb20a4c858f57c908fb (patch)
tree4ed99e93ef5f4a8bb51653917c911e04e42f5235 /src/gallium/auxiliary/tgsi/tgsi_exec.h
parent92674bc8889e10e580c630cf85c106fa6eb34d7b (diff)
parent399da3a337932c6074a69ac73e711138271308eb (diff)
Merge remote branch 'origin/gallium-0.2' into gallium-0.2
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.h')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index c4e649e69c4..fc40a25e09f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -165,6 +165,10 @@ struct tgsi_exec_labels
#define TGSI_EXEC_TEMP_HALF_I (TGSI_EXEC_NUM_TEMPS + 3)
#define TGSI_EXEC_TEMP_HALF_C 1
+/* execution mask, each value is either 0 or ~0 */
+#define TGSI_EXEC_MASK_I (TGSI_EXEC_NUM_TEMPS + 3)
+#define TGSI_EXEC_MASK_C 2
+
#define TGSI_EXEC_TEMP_R0 (TGSI_EXEC_NUM_TEMPS + 4)
#define TGSI_EXEC_TEMP_ADDR (TGSI_EXEC_NUM_TEMPS + 5)
@@ -265,6 +269,27 @@ void
tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach);
+static INLINE void
+tgsi_set_kill_mask(struct tgsi_exec_machine *mach, unsigned mask)
+{
+ mach->Temps[TGSI_EXEC_TEMP_KILMASK_I].xyzw[TGSI_EXEC_TEMP_KILMASK_C].u[0] =
+ mask;
+}
+
+
+/** Set execution mask values prior to executing the shader */
+static INLINE void
+tgsi_set_exec_mask(struct tgsi_exec_machine *mach,
+ boolean ch0, boolean ch1, boolean ch2, boolean ch3)
+{
+ int *mask = mach->Temps[TGSI_EXEC_MASK_I].xyzw[TGSI_EXEC_MASK_C].i;
+ mask[0] = ch0 ? ~0 : 0;
+ mask[1] = ch1 ? ~0 : 0;
+ mask[2] = ch2 ? ~0 : 0;
+ mask[3] = ch3 ? ~0 : 0;
+}
+
+
#if defined __cplusplus
} /* extern "C" */
#endif