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i965: fix point size setting in header on sandybridge

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(cherry picked from commit fa589770e8)
This commit is contained in:
Zhenyu Wang 2010-09-17 13:08:22 +08:00 • committed by Ian Romanick
parent 6eec2dbfc8
commit 76469d710c
1 changed files with 5 additions and 2 deletions
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7
src/mesa/drivers/dri/i965/brw_vs_emit.c
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@ -1392,8 +1392,11 @@ static void emit_vertex_write( struct brw_vs_compile *c)
if (c->prog_data.outputs_written & BITFIELD64_BIT(VERT_RESULT_PSIZ)) {
struct brw_reg psiz = c->regs[PROGRAM_OUTPUT][VERT_RESULT_PSIZ];
brw_MUL(p, brw_writemask(header1, WRITEMASK_W), brw_swizzle1(psiz, 0), brw_imm_f(1<<11));
brw_AND(p, brw_writemask(header1, WRITEMASK_W), header1, brw_imm_ud(0x7ff<<8));
if (intel->gen < 6) {
brw_MUL(p, brw_writemask(header1, WRITEMASK_W), brw_swizzle1(psiz, 0), brw_imm_f(1<<11));
brw_AND(p, brw_writemask(header1, WRITEMASK_W), header1, brw_imm_ud(0x7ff<<8));
} else
brw_MOV(p, brw_writemask(header1, WRITEMASK_W), brw_swizzle1(psiz, 0));
}
for (i = 0; i < c->key.nr_userclip; i++) {