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-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 8ac979d..e2bff13 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -593,11 +593,15 @@ static void emit_math1( struct brw_vs_compile *c,
struct brw_compile *p = &c->func;
struct intel_context *intel = &p->brw->intel;
struct brw_reg tmp = dst;
- GLboolean need_tmp = (intel->gen < 6 &&
- (dst.dw1.bits.writemask != 0xf ||
- dst.file != BRW_GENERAL_REGISTER_FILE));
+ GLboolean need_tmp = GL_FALSE;
- if (need_tmp)
+ if (dst.file != BRW_GENERAL_REGISTER_FILE)
+ need_tmp = GL_TRUE;
+
+ if (intel->gen < 6 && dst.dw1.bits.writemask != 0xf)
+ need_tmp = GL_TRUE;
+
+ if (need_tmp)
tmp = get_tmp(c);
brw_math(p,
@@ -626,9 +630,13 @@ static void emit_math2( struct brw_vs_compile *c,
struct brw_compile *p = &c->func;
struct intel_context *intel = &p->brw->intel;
struct brw_reg tmp = dst;
- GLboolean need_tmp = (intel->gen < 6 &&
- (dst.dw1.bits.writemask != 0xf ||
- dst.file != BRW_GENERAL_REGISTER_FILE));
+ GLboolean need_tmp = GL_FALSE;
+
+ if (dst.file != BRW_GENERAL_REGISTER_FILE)
+ need_tmp = GL_TRUE;
+
+ if (intel->gen < 6 && dst.dw1.bits.writemask != 0xf)
+ need_tmp = GL_TRUE;
if (need_tmp)
tmp = get_tmp(c);