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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c220
1 files changed, 52 insertions, 168 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 75b0663..cb66a40 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1780,201 +1780,85 @@ exec_tex(struct tgsi_exec_machine *mach,
uint modifier, uint sampler)
{
const uint unit = inst->Src[sampler].Register.Index;
- union tgsi_exec_channel r[4], cubearraycomp, cubelod;
- const union tgsi_exec_channel *lod = &ZeroVec;
+ const union tgsi_exec_channel *args[5], *proj = NULL;
+ union tgsi_exec_channel r[5];
enum tgsi_sampler_control control = tgsi_sampler_lod_none;
uint chan;
int8_t offsets[3];
+ int dim, shadow_ref, i;
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
assert(modifier != TEX_MODIFIER_LEVEL_ZERO);
- if (modifier != TEX_MODIFIER_NONE && (sampler == 1)) {
- FETCH(&r[3], 0, TGSI_CHAN_W);
- if (modifier != TEX_MODIFIER_PROJECTED) {
- lod = &r[3];
- }
- }
-
- if (modifier == TEX_MODIFIER_EXPLICIT_LOD) {
- control = tgsi_sampler_lod_explicit;
- } else if (modifier == TEX_MODIFIER_LOD_BIAS){
- control = tgsi_sampler_lod_bias;
- }
-
- switch (inst->Texture.Texture) {
- case TGSI_TEXTURE_1D:
- FETCH(&r[0], 0, TGSI_CHAN_X);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- }
-
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &ZeroVec, &ZeroVec, &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
- break;
-
- case TGSI_TEXTURE_SHADOW1D:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[2], &r[2], &r[3]);
- }
-
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &ZeroVec, &r[2], &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
- break;
-
- case TGSI_TEXTURE_2D:
- case TGSI_TEXTURE_RECT:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[1], &r[1], &r[3]);
- }
+ dim = tgsi_util_get_texture_coord_dim(inst->Texture.Texture, &shadow_ref);
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &ZeroVec, &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
+ assert(dim <= 4);
+ if (shadow_ref >= 0)
+ assert(shadow_ref >= dim && shadow_ref < Elements(args));
- case TGSI_TEXTURE_SHADOW2D:
- case TGSI_TEXTURE_SHADOWRECT:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
+ /* fetch modifier to the last argument */
+ if (modifier != TEX_MODIFIER_NONE) {
+ const int last = Elements(args) - 1;
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[1], &r[1], &r[3]);
- micro_div(&r[2], &r[2], &r[3]);
+ /* fetch modifier from src0.w or src1.x */
+ if (sampler == 1) {
+ assert(dim <= TGSI_CHAN_W && shadow_ref != TGSI_CHAN_W);
+ FETCH(&r[last], 0, TGSI_CHAN_W);
}
-
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
-
- case TGSI_TEXTURE_1D_ARRAY:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
+ else {
+ assert(shadow_ref != 4);
+ FETCH(&r[last], 1, TGSI_CHAN_X);
}
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &ZeroVec, &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
- case TGSI_TEXTURE_SHADOW1D_ARRAY:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[2], &r[2], &r[3]);
+ if (modifier != TEX_MODIFIER_PROJECTED) {
+ args[last] = &r[last];
}
-
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
-
- case TGSI_TEXTURE_2D_ARRAY:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
-
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[1], &r[1], &r[3]);
+ else {
+ proj = &r[last];
+ args[last] = &ZeroVec;
}
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &ZeroVec, lod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
- case TGSI_TEXTURE_SHADOW2D_ARRAY:
- case TGSI_TEXTURE_SHADOWCUBE:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
- FETCH(&r[3], 0, TGSI_CHAN_W);
-
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &r[3], &ZeroVec, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
- case TGSI_TEXTURE_CUBE_ARRAY:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
- FETCH(&r[3], 0, TGSI_CHAN_W);
+ /* point unused arguments to zero vector */
+ for (i = dim; i < last; i++)
+ args[i] = &ZeroVec;
- if (modifier == TEX_MODIFIER_EXPLICIT_LOD ||
- modifier == TEX_MODIFIER_LOD_BIAS)
- FETCH(&cubelod, 1, TGSI_CHAN_X);
- else
- cubelod = ZeroVec;
+ if (modifier == TEX_MODIFIER_EXPLICIT_LOD)
+ control = tgsi_sampler_lod_explicit;
+ else if (modifier == TEX_MODIFIER_LOD_BIAS)
+ control = tgsi_sampler_lod_bias;
+ }
+ else {
+ for (i = dim; i < Elements(args); i++)
+ args[i] = &ZeroVec;
+ }
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &r[3], &cubelod, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
- case TGSI_TEXTURE_3D:
- case TGSI_TEXTURE_CUBE:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
+ /* fetch coordinates */
+ for (i = 0; i < dim; i++) {
+ FETCH(&r[i], 0, TGSI_CHAN_X + i);
- if (modifier == TEX_MODIFIER_PROJECTED) {
- micro_div(&r[0], &r[0], &r[3]);
- micro_div(&r[1], &r[1], &r[3]);
- micro_div(&r[2], &r[2], &r[3]);
- }
+ if (proj)
+ micro_div(&r[i], &r[i], proj);
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &ZeroVec, lod,
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]);
- break;
+ args[i] = &r[i];
+ }
- case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
- FETCH(&r[0], 0, TGSI_CHAN_X);
- FETCH(&r[1], 0, TGSI_CHAN_Y);
- FETCH(&r[2], 0, TGSI_CHAN_Z);
- FETCH(&r[3], 0, TGSI_CHAN_W);
+ /* fetch reference value */
+ if (shadow_ref >= 0) {
+ FETCH(&r[shadow_ref], shadow_ref / 4, TGSI_CHAN_X + (shadow_ref % 4));
- FETCH(&cubearraycomp, 1, TGSI_CHAN_X);
+ if (proj)
+ micro_div(&r[shadow_ref], &r[shadow_ref], proj);
- fetch_texel(mach->Sampler, unit, unit,
- &r[0], &r[1], &r[2], &r[3], &cubearraycomp, /* S, T, P, C, LOD */
- NULL, offsets, control,
- &r[0], &r[1], &r[2], &r[3]); /* outputs */
- break;
- default:
- assert(0);
+ args[shadow_ref] = &r[shadow_ref];
}
+ fetch_texel(mach->Sampler, unit, unit,
+ args[0], args[1], args[2], args[3], args[4],
+ NULL, offsets, control,
+ &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
+
#if 0
debug_printf("fetch r: %g %g %g %g\n",
r[0].f[0], r[0].f[1], r[0].f[2], r[0].f[3]);
generated by cgit v1.1 at 2024-10-30 16:09:20 +0000