diff options
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c index fb420cbe1f7..5c0404b4b07 100644 --- a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c +++ b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c @@ -341,7 +341,7 @@ fetch_ycbcr(struct vl_mpeg12_mc_renderer *r, struct ureg_program *shader, struct ureg_MOV(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_Z), ureg_scalar(eb[0][0], TGSI_SWIZZLE_X + i)); } - /* Nouveau can't writemask tex dst regs (yet?), do in two steps */ + /* Nouveau and r600g can't writemask tex dst regs (yet?), do in two steps */ ureg_TEX(shader, tmp, TGSI_TEXTURE_3D, ureg_src(t_tc), sampler[i]); ureg_MOV(shader, ureg_writemask(texel, TGSI_WRITEMASK_X << i), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X)); } @@ -368,11 +368,13 @@ create_intra_frag_shader(struct vl_mpeg12_mc_renderer *r) /* * texel = fetch_ycbcr() - * fragment = texel * scale + * fragment = texel * scale + 0.5 */ field = calc_field(shader); texel = fetch_ycbcr(r, shader, field); - ureg_MUL(shader, fragment, ureg_src(texel), ureg_scalar(ureg_imm1f(shader, SCALE_FACTOR_16_TO_9), TGSI_SWIZZLE_X)); + ureg_MAD(shader, fragment, ureg_src(texel), + ureg_scalar(ureg_imm1f(shader, SCALE_FACTOR_16_TO_9), TGSI_SWIZZLE_X), + ureg_scalar(ureg_imm1f(shader, 0.5f), TGSI_SWIZZLE_X)); ureg_release_temporary(shader, field); ureg_release_temporary(shader, texel); |