i965: Add SNB math opcode support.

[mesa.git] / src / mesa / drivers / dri / i965 / brw_vs_emit.c

diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 88327d9927d6596f0f8c0489502da46866db98a2..b6e5f945eb7525e2b730684e80501b25966f1a51 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -479,9 +479,11 @@ static void emit_math1( struct brw_vs_compile *c,
     * whether that turns out to be a simulator bug or not:
     */
    struct brw_compile *p = &c->func;
+   struct intel_context *intel = &p->brw->intel;
    struct brw_reg tmp = dst;
-   GLboolean need_tmp = (dst.dw1.bits.writemask != 0xf ||
-                        dst.file != BRW_GENERAL_REGISTER_FILE);
+   GLboolean need_tmp = (intel->gen < 6 &&
+                        (dst.dw1.bits.writemask != 0xf ||
+                         dst.file != BRW_GENERAL_REGISTER_FILE));
 
    if (need_tmp) 
       tmp = get_tmp(c);
@@ -510,9 +512,11 @@ static void emit_math2( struct brw_vs_compile *c,
                        GLuint precision)
 {
    struct brw_compile *p = &c->func;
+   struct intel_context *intel = &p->brw->intel;
    struct brw_reg tmp = dst;
-   GLboolean need_tmp = (dst.dw1.bits.writemask != 0xf ||
-                        dst.file != BRW_GENERAL_REGISTER_FILE);
+   GLboolean need_tmp = (intel->gen < 6 &&
+                        (dst.dw1.bits.writemask != 0xf ||
+                         dst.file != BRW_GENERAL_REGISTER_FILE));
 
    if (need_tmp) 
       tmp = get_tmp(c);