diff options
| author | Paul Berry <[email protected]> | 2011-08-23 10:26:15 -0700 |
|---|---|---|
| committer | Paul Berry <[email protected]> | 2011-09-06 11:04:09 -0700 |
| commit | f86d1976f81811aec0a555946e263295ed1403db (patch) | |
| tree | 0929b14d4c62cd9ab8661c479f9196bc1480d9d6 /src/mesa | |
| parent | 34fbab2125555ba0afffa361e1c74fb3359ef3a7 (diff) | |
i965: new VS: move NDC computation (GEN4-5) to a separate function.
Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h index dfe9c025e82..9b932960589 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.h +++ b/src/mesa/drivers/dri/i965/brw_vec4.h @@ -463,6 +463,7 @@ public: void emit_math2_gen4(enum opcode opcode, dst_reg dst, src_reg src0, src_reg src1); void emit_math(enum opcode opcode, dst_reg dst, src_reg src0, src_reg src1); + void emit_ndc_computation(); int emit_vue_header_gen6(int header_mrf); int emit_vue_header_gen4(int header_mrf); void emit_urb_writes(void); diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp index 71d8b395d55..3335ea246fb 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp @@ -1698,8 +1698,8 @@ vec4_visitor::visit(ir_if *ir) emit(BRW_OPCODE_ENDIF); } -int -vec4_visitor::emit_vue_header_gen4(int header_mrf) +void +vec4_visitor::emit_ndc_computation() { /* Get the position */ src_reg pos = src_reg(output_reg[VERT_RESULT_HPOS]); @@ -1719,6 +1719,12 @@ vec4_visitor::emit_vue_header_gen4(int header_mrf) ndc_xyz.writemask = WRITEMASK_XYZ; emit(MUL(ndc_xyz, pos, src_reg(ndc_w))); +} + +int +vec4_visitor::emit_vue_header_gen4(int header_mrf) +{ + emit_ndc_computation(); if ((c->prog_data.outputs_written & BITFIELD64_BIT(VERT_RESULT_PSIZ)) || c->key.nr_userclip || brw->has_negative_rhw_bug) { |