diff options
| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-09-25 10:48:52 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-09-28 15:58:21 +0800 |
| commit | 85fa900b932243785e528e73fe119c27fa1988c4 (patch) | |
| tree | 9c2e8a2584ac265df7d51865dcbffa78da1eb82b | |
| parent | c58bf2cee5b0f14a585089084fec7767f33887a7 (diff) | |
i965: don't do calculation for delta_xy on sandybridge
Sandybridge doesn't have Xstart/Ystart in payload header.
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_emit.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c index a9ebc2689c..d5219a3d11 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_emit.c +++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c @@ -173,6 +173,7 @@ void emit_delta_xy(struct brw_compile *p, GLuint mask, const struct brw_reg *arg0) { + struct intel_context *intel = &p->brw->intel; struct brw_reg r1 = brw_vec1_grf(1, 0); if (mask == 0) @@ -180,6 +181,21 @@ void emit_delta_xy(struct brw_compile *p, assert(mask == WRITEMASK_XY); + if (intel->gen >= 6) { + /* XXX Gen6 WM doesn't have Xstart/Ystart in payload r1.0/r1.1. + Just add them with 0.0 for dst reg.. */ + r1 = brw_imm_v(0x00000000); + brw_ADD(p, + dst[0], + retype(arg0[0], BRW_REGISTER_TYPE_UW), + r1); + brw_ADD(p, + dst[1], + retype(arg0[1], BRW_REGISTER_TYPE_UW), + r1); + return; + } + /* Calc delta X,Y by subtracting origin in r1 from the pixel * centers produced by emit_pixel_xy(). */ |