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path: root/src/gallium/drivers/nvfx/nvfx_vertprog.c
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Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_vertprog.c')
-rw-r--r--src/gallium/drivers/nvfx/nvfx_vertprog.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_vertprog.c b/src/gallium/drivers/nvfx/nvfx_vertprog.c
index d68224ce7a2..6b19d86a180 100644
--- a/src/gallium/drivers/nvfx/nvfx_vertprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_vertprog.c
@@ -514,6 +514,11 @@ nvfx_vertprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_vpc *vpc,
case TGSI_OPCODE_COS:
nvfx_vp_emit(vpc, arith(SCA, COS, dst, mask, none, none, src[0]));
break;
+ case TGSI_OPCODE_DP2:
+ tmp = nvfx_src(temp(vpc));
+ nvfx_vp_emit(vpc, arith(VEC, MUL, tmp.reg, NVFX_VP_MASK_X | NVFX_VP_MASK_Y, src[0], src[1], none));
+ nvfx_vp_emit(vpc, arith(VEC, ADD, dst, mask, swz(tmp, X, X, X, X), swz(tmp, Y, Y, Y, Y), none));
+ break;
case TGSI_OPCODE_DP3:
nvfx_vp_emit(vpc, arith(VEC, DP3, dst, mask, src[0], src[1], none));
break;