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authorEric Anholt <eric@anholt.net>2009-05-28 10:34:08 -0700
committerEric Anholt <eric@anholt.net>2009-06-02 06:21:54 -0700
commit0ab8e2622e932593f39e5a634808567322bd669b (patch)
tree28be61fb68a654a5a628f48c9b97674bb1f8673c /src/mesa/drivers/dri
parent9f6ec50f8c79283583eeebdebd16bf7dcd134816 (diff)
i965: Support OPCODE_TRUNC in the brw_wm_fp.c code.
This gets two more glean glsl1 tests using the non-GLSL path.
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_emit.c17
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c1
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_pass1.c1
3 files changed, 18 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index 72fc21d2eb..14ab9042de 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -353,6 +353,19 @@ static void emit_mad( struct brw_compile *p,
}
}
+static void emit_trunc( struct brw_compile *p,
+ const struct brw_reg *dst,
+ GLuint mask,
+ const struct brw_reg *arg0)
+{
+ GLuint i;
+
+ for (i = 0; i < 4; i++) {
+ if (mask & (1<<i)) {
+ brw_RNDZ(p, dst[i], arg0[i]);
+ }
+ }
+}
static void emit_lrp( struct brw_compile *p,
const struct brw_reg *dst,
@@ -1224,6 +1237,10 @@ void brw_wm_emit( struct brw_wm_compile *c )
emit_dph(p, dst, dst_flags, args[0], args[1]);
break;
+ case OPCODE_TRUNC:
+ emit_trunc(p, dst, dst_flags, args[0]);
+ break;
+
case OPCODE_LRP:
emit_lrp(p, dst, dst_flags, args[0], args[1], args[2]);
break;
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 4936703799..0e6a2f8ef0 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -23,7 +23,6 @@ GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp)
const struct prog_instruction *inst = &fp->Base.Instructions[i];
switch (inst->Opcode) {
case OPCODE_IF:
- case OPCODE_TRUNC:
case OPCODE_ENDIF:
case OPCODE_CAL:
case OPCODE_BRK:
diff --git a/src/mesa/drivers/dri/i965/brw_wm_pass1.c b/src/mesa/drivers/dri/i965/brw_wm_pass1.c
index ab9aa2f10d..3436a24717 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_pass1.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_pass1.c
@@ -159,6 +159,7 @@ void brw_wm_pass1( struct brw_wm_compile *c )
case OPCODE_FRC:
case OPCODE_MOV:
case OPCODE_SWZ:
+ case OPCODE_TRUNC:
read0 = writemask;
break;