diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_compositor.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/vl/vl_compositor.c b/src/gallium/auxiliary/vl/vl_compositor.c index 7ea13bf593d..fecf3c9287f 100644 --- a/src/gallium/auxiliary/vl/vl_compositor.c +++ b/src/gallium/auxiliary/vl/vl_compositor.c @@ -199,13 +199,15 @@ create_frag_shader_weave(struct vl_compositor *c) /* calculate the texture offsets * t_tc.x = i_tc.x - * t_tc.y = (round(i_tc.y) + 0.5) / height * 2 + * t_tc.y = (round(i_tc.y - 0.5) + 0.5) / height * 2 */ for (i = 0; i < 2; ++i) { ureg_MOV(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_X), i_tc[i]); - ureg_ROUND(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ), i_tc[i]); + ureg_SUB(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ), + i_tc[i], ureg_imm1f(shader, 0.5f)); + ureg_ROUND(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ), ureg_src(t_tc[i])); ureg_MOV(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_W), - ureg_imm1f(shader, i ? 0.75f : 0.25f)); + ureg_imm1f(shader, i ? -0.25f : 0.25f)); ureg_ADD(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ), ureg_src(t_tc[i]), ureg_imm1f(shader, 0.5f)); ureg_MUL(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_Y), @@ -234,11 +236,11 @@ create_frag_shader_weave(struct vl_compositor *c) ureg_ROUND(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_YZ), i_tc[0]); ureg_ADD(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_YZ), ureg_src(t_tc[0]), ureg_negate(i_tc[0])); - ureg_MUL(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_XY), + ureg_MUL(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_YZ), ureg_abs(ureg_src(t_tc[0])), ureg_imm1f(shader, 2.0f)); ureg_LRP(shader, t_texel[0], ureg_swizzle(ureg_src(t_tc[0]), TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z), - ureg_src(t_texel[1]), ureg_src(t_texel[0])); + ureg_src(t_texel[0]), ureg_src(t_texel[1])); /* and finally do colour space transformation * fragment = csc * texel |