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use CMP also for referenz frame fetch

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This commit is contained in:
Christian König 2010-11-30 21:15:47 +01:00
parent c8b7cf469f
commit 27016941bc
1 changed files with 72 additions and 44 deletions
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116
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
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@ -265,21 +265,13 @@ fetch_ycbcr(struct vl_mpeg12_mc_renderer *r, struct ureg_program *shader, struct
return texel;
}
static void *
create_frag_shader(struct vl_mpeg12_mc_renderer *r, unsigned ref_frames, unsigned mv_per_frame)
static struct ureg_dst
fetch_ref(struct ureg_program *shader, struct ureg_dst field, unsigned ref_frames, unsigned mv_per_frame)
{
struct ureg_program *shader;
struct ureg_src tc[ref_frames * mv_per_frame], sampler[ref_frames], result;
struct ureg_dst field, texel, ref[ref_frames];
struct ureg_dst fragment;
struct ureg_src tc[ref_frames * mv_per_frame], sampler[ref_frames];
struct ureg_dst ref[ref_frames], t_tc, result;
unsigned i, label;
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (!shader)
return NULL;
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
for (i = 0; i < ref_frames * mv_per_frame; ++i)
tc[i] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_MV0 + i, TGSI_INTERPOLATE_LINEAR);
@ -288,53 +280,89 @@ create_frag_shader(struct vl_mpeg12_mc_renderer *r, unsigned ref_frames, unsigne
ref[i] = ureg_DECL_temporary(shader);
}
field = calc_field(shader);
texel = fetch_ycbcr(r, shader, field);
result = ureg_DECL_temporary(shader);
switch(ref_frames) {
case 0:
result = ureg_scalar(ureg_imm1f(shader, 0.5f), TGSI_SWIZZLE_X);
break;
case 1:
if (ref_frames == 1) {
if(mv_per_frame == 1)
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[0], sampler[0]);
/*
* result = tex(tc[0], sampler[0])
*/
ureg_TEX(shader, result, TGSI_TEXTURE_2D, tc[0], sampler[0]);
else {
ureg_IF(shader, ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y), &label);
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[1], sampler[0]);
ureg_ELSE(shader, &label);
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[0], sampler[0]);
ureg_ENDIF(shader);
}
result = ureg_src(ref[0]);
break;
t_tc = ureg_DECL_temporary(shader);
/*
* result = tex(field.y ? tc[1] : tc[0], sampler[0])
*/
ureg_CMP(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[1], tc[0]);
ureg_TEX(shader, result, TGSI_TEXTURE_2D, ureg_src(t_tc), sampler[0]);
case 2:
ureg_release_temporary(shader, t_tc);
}
} else if (ref_frames == 2) {
if(mv_per_frame == 1) {
/*
* ref[0..1] = tex(tc[0..1], sampler[0..1])
*/
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[0], sampler[0]);
ureg_TEX(shader, ref[1], TGSI_TEXTURE_2D, tc[1], sampler[1]);
} else {
ureg_IF(shader, ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y), &label);
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[1], sampler[0]);
ureg_TEX(shader, ref[1], TGSI_TEXTURE_2D, tc[3], sampler[1]);
ureg_ELSE(shader, &label);
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, tc[0], sampler[0]);
ureg_TEX(shader, ref[1], TGSI_TEXTURE_2D, tc[2], sampler[1]);
ureg_ENDIF(shader);
t_tc = ureg_DECL_temporary(shader);
/*
* if (field.y)
* ref[0..1] = tex(tc[0..1], sampler[0..1])
* else
* ref[0..1] = tex(tc[2..3], sampler[0..1])
*/
ureg_CMP(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[1], tc[0]);
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, ureg_src(t_tc), sampler[0]);
ureg_CMP(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[3], tc[2]);
ureg_TEX(shader, ref[1], TGSI_TEXTURE_2D, ureg_src(t_tc), sampler[1]);
ureg_release_temporary(shader, t_tc);
}
ureg_LRP(shader, ref[0], ureg_scalar(ureg_imm1f(shader, 0.5f), TGSI_SWIZZLE_X), ureg_src(ref[0]), ureg_src(ref[1]));
result = ureg_src(ref[0]);
break;
default:
assert(0);
ureg_LRP(shader, result, ureg_scalar(ureg_imm1f(shader, 0.5f), TGSI_SWIZZLE_X), ureg_src(ref[0]), ureg_src(ref[1]));
}
ureg_ADD(shader, fragment, ureg_src(texel), result);
for (i = 0; i < ref_frames; ++i)
ureg_release_temporary(shader, ref[i]);
return result;
}
static void *
create_frag_shader(struct vl_mpeg12_mc_renderer *r, unsigned ref_frames, unsigned mv_per_frame)
{
struct ureg_program *shader;
struct ureg_src result;
struct ureg_dst field, texel;
struct ureg_dst fragment;
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (!shader)
return NULL;
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
field = calc_field(shader);
texel = fetch_ycbcr(r, shader, field);
if (ref_frames == 0)
result = ureg_imm1f(shader, 0.5f);
else
result = ureg_src(fetch_ref(shader, field, ref_frames, mv_per_frame));
ureg_ADD(shader, fragment, ureg_src(texel), result);
ureg_release_temporary(shader, field);
ureg_release_temporary(shader, texel);
ureg_END(shader);