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authorMichal Krol <michal@vmware.com>2010-01-07 13:48:41 +0100
committerMichal Krol <michal@vmware.com>2010-01-07 13:48:41 +0100
commit4440428faa82f01b4dfb4be89618be2aaf153abd (patch)
treef52f00c4e06438bb722cc615318103407173a6cc
parent4bfe1c955fe679547c8a03119d1681e33593c768 (diff)
gallium: Fix texture sampling with explicit LOD in softpipe.
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c30
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h8
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_sse2.c12
-rw-r--r--src/gallium/drivers/softpipe/sp_tex_sample.c113
-rw-r--r--src/gallium/drivers/softpipe/sp_tex_sample.h3
5 files changed, 113 insertions, 53 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index dcf3cc0baaf..b139cab8ed0 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1509,7 +1509,8 @@ fetch_texel( struct tgsi_sampler *sampler,
const union tgsi_exec_channel *s,
const union tgsi_exec_channel *t,
const union tgsi_exec_channel *p,
- const union tgsi_exec_channel *lodbias,
+ const union tgsi_exec_channel *c0,
+ enum tgsi_sampler_control control,
union tgsi_exec_channel *r,
union tgsi_exec_channel *g,
union tgsi_exec_channel *b,
@@ -1518,7 +1519,7 @@ fetch_texel( struct tgsi_sampler *sampler,
uint j;
float rgba[NUM_CHANNELS][QUAD_SIZE];
- sampler->get_samples(sampler, s->f, t->f, p->f, lodbias->f, rgba);
+ sampler->get_samples(sampler, s->f, t->f, p->f, c0->f, control, rgba);
for (j = 0; j < 4; j++) {
r->f[j] = rgba[0][j];
@@ -1542,16 +1543,23 @@ exec_tex(struct tgsi_exec_machine *mach,
{
const uint unit = inst->Src[1].Register.Index;
union tgsi_exec_channel r[4];
- const union tgsi_exec_channel *lodBias = &ZeroVec;
+ const union tgsi_exec_channel *lod = &ZeroVec;
+ enum tgsi_sampler_control control;
uint chan_index;
if (modifier != TEX_MODIFIER_NONE) {
FETCH(&r[3], 0, CHAN_W);
if (modifier != TEX_MODIFIER_PROJECTED) {
- lodBias = &r[3];
+ lod = &r[3];
}
}
+ if (modifier == TEX_MODIFIER_EXPLICIT_LOD) {
+ control = tgsi_sampler_lod_explicit;
+ } else {
+ control = tgsi_sampler_lod_bias;
+ }
+
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
@@ -1562,8 +1570,9 @@ exec_tex(struct tgsi_exec_machine *mach,
}
fetch_texel(mach->Samplers[unit],
- &r[0], &ZeroVec, &ZeroVec, lodBias, /* S, T, P, BIAS */
- &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
+ &r[0], &ZeroVec, &ZeroVec, lod, /* S, T, P, LOD */
+ control,
+ &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
case TGSI_TEXTURE_2D:
@@ -1581,7 +1590,8 @@ exec_tex(struct tgsi_exec_machine *mach,
}
fetch_texel(mach->Samplers[unit],
- &r[0], &r[1], &r[2], lodBias, /* inputs */
+ &r[0], &r[1], &r[2], lod, /* S, T, P, LOD */
+ control,
&r[0], &r[1], &r[2], &r[3]); /* outputs */
break;
@@ -1598,7 +1608,8 @@ exec_tex(struct tgsi_exec_machine *mach,
}
fetch_texel(mach->Samplers[unit],
- &r[0], &r[1], &r[2], lodBias,
+ &r[0], &r[1], &r[2], lod,
+ control,
&r[0], &r[1], &r[2], &r[3]);
break;
@@ -1631,6 +1642,7 @@ exec_txd(struct tgsi_exec_machine *mach,
fetch_texel(mach->Samplers[unit],
&r[0], &ZeroVec, &ZeroVec, &ZeroVec, /* S, T, P, BIAS */
+ tgsi_sampler_lod_bias,
&r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
@@ -1645,6 +1657,7 @@ exec_txd(struct tgsi_exec_machine *mach,
fetch_texel(mach->Samplers[unit],
&r[0], &r[1], &r[2], &ZeroVec, /* inputs */
+ tgsi_sampler_lod_bias,
&r[0], &r[1], &r[2], &r[3]); /* outputs */
break;
@@ -1657,6 +1670,7 @@ exec_txd(struct tgsi_exec_machine *mach,
fetch_texel(mach->Samplers[unit],
&r[0], &r[1], &r[2], &ZeroVec,
+ tgsi_sampler_lod_bias,
&r[0], &r[1], &r[2], &r[3]);
break;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index 67853ed4fe4..59e3b445cc3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -72,6 +72,11 @@ struct tgsi_interp_coef
float dady[NUM_CHANNELS];
};
+enum tgsi_sampler_control {
+ tgsi_sampler_lod_bias,
+ tgsi_sampler_lod_explicit
+};
+
/**
* Information for sampling textures, which must be implemented
* by code outside the TGSI executor.
@@ -83,7 +88,8 @@ struct tgsi_sampler
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE]);
};
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index e133bc02558..2e13a7aaf9d 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -2,6 +2,7 @@
*
* Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
+ * Copyright 2009-2010 VMware, Inc. All rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -1418,13 +1419,13 @@ fetch_texel( struct tgsi_sampler **sampler,
sampler, *sampler,
store );
- debug_printf("lodbias %f\n", store[12]);
-
for (j = 0; j < 4; j++)
- debug_printf("sample %d texcoord %f %f\n",
+ debug_printf("sample %d texcoord %f %f %f lodbias %f\n",
j,
store[0+j],
- store[4+j]);
+ store[4+j],
+ store[8 + j],
+ store[12 + j]);
#endif
{
@@ -1434,6 +1435,7 @@ fetch_texel( struct tgsi_sampler **sampler,
&store[4], /* t */
&store[8], /* r */
&store[12], /* lodbias */
+ tgsi_sampler_lod_bias,
rgba); /* results */
memcpy( store, rgba, 16 * sizeof(float));
@@ -2506,7 +2508,7 @@ emit_instruction(
break;
case TGSI_OPCODE_TXL:
- emit_tex( func, inst, TRUE, FALSE );
+ return 0;
break;
case TGSI_OPCODE_TXP:
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index 9c535f82a59..1ae8fecacf7 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -751,7 +751,8 @@ img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -809,7 +810,8 @@ img_filter_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -848,7 +850,8 @@ img_filter_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -896,7 +899,8 @@ img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -931,7 +935,8 @@ img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -978,7 +983,8 @@ img_filter_cube_nearest(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1017,7 +1023,8 @@ img_filter_3d_nearest(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1058,7 +1065,8 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1097,7 +1105,8 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1143,7 +1152,8 @@ img_filter_cube_linear(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1191,7 +1201,8 @@ img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1266,7 +1277,8 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1275,9 +1287,14 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler,
float lambda;
float lod[QUAD_SIZE];
- lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ if (control == tgsi_sampler_lod_bias) {
+ lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ compute_lod(samp->sampler, lambda, c0, lod);
+ } else {
+ assert(control == tgsi_sampler_lod_explicit);
- compute_lod(samp->sampler, lambda, lodbias, lod);
+ memcpy(lod, c0, sizeof(lod));
+ }
/* XXX: Take into account all lod values.
*/
@@ -1286,11 +1303,11 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler,
if (lambda < 0.0) {
samp->level = 0;
- samp->mag_img_filter( tgsi_sampler, s, t, p, NULL, rgba );
+ samp->mag_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
else if (level0 >= texture->last_level) {
samp->level = texture->last_level;
- samp->min_img_filter( tgsi_sampler, s, t, p, NULL, rgba );
+ samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
else {
float levelBlend = lambda - level0;
@@ -1299,10 +1316,10 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler,
int c,j;
samp->level = level0;
- samp->min_img_filter( tgsi_sampler, s, t, p, NULL, rgba0 );
+ samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba0);
samp->level = level0+1;
- samp->min_img_filter( tgsi_sampler, s, t, p, NULL, rgba1 );
+ samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba1);
for (j = 0; j < QUAD_SIZE; j++) {
for (c = 0; c < 4; c++) {
@@ -1318,7 +1335,8 @@ mip_filter_nearest(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1326,9 +1344,14 @@ mip_filter_nearest(struct tgsi_sampler *tgsi_sampler,
float lambda;
float lod[QUAD_SIZE];
- lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ if (control == tgsi_sampler_lod_bias) {
+ lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ compute_lod(samp->sampler, lambda, c0, lod);
+ } else {
+ assert(control == tgsi_sampler_lod_explicit);
- compute_lod(samp->sampler, lambda, lodbias, lod);
+ memcpy(lod, c0, sizeof(lod));
+ }
/* XXX: Take into account all lod values.
*/
@@ -1336,12 +1359,12 @@ mip_filter_nearest(struct tgsi_sampler *tgsi_sampler,
if (lambda < 0.0) {
samp->level = 0;
- samp->mag_img_filter( tgsi_sampler, s, t, p, 0, rgba );
+ samp->mag_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
else {
samp->level = (int)(lambda + 0.5) ;
samp->level = MIN2(samp->level, (int)texture->last_level);
- samp->min_img_filter( tgsi_sampler, s, t, p, NULL, rgba );
+ samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
#if 0
@@ -1359,26 +1382,32 @@ mip_filter_none(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
float lambda;
float lod[QUAD_SIZE];
- lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ if (control == tgsi_sampler_lod_bias) {
+ lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ compute_lod(samp->sampler, lambda, c0, lod);
+ } else {
+ assert(control == tgsi_sampler_lod_explicit);
- compute_lod(samp->sampler, lambda, lodbias, lod);
+ memcpy(lod, c0, sizeof(lod));
+ }
/* XXX: Take into account all lod values.
*/
lambda = lod[0];
if (lambda < 0.0) {
- samp->mag_img_filter( tgsi_sampler, s, t, p, NULL, rgba );
+ samp->mag_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
else {
- samp->min_img_filter( tgsi_sampler, s, t, p, NULL, rgba );
+ samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
}
@@ -1394,7 +1423,8 @@ mip_filter_linear_2d_linear_repeat_POT(
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1403,9 +1433,14 @@ mip_filter_linear_2d_linear_repeat_POT(
float lambda;
float lod[QUAD_SIZE];
- lambda = compute_lambda_2d(samp, s, t, p) + samp->sampler->lod_bias;
+ if (control == tgsi_sampler_lod_bias) {
+ lambda = samp->compute_lambda(samp, s, t, p) + samp->sampler->lod_bias;
+ compute_lod(samp->sampler, lambda, c0, lod);
+ } else {
+ assert(control == tgsi_sampler_lod_explicit);
- compute_lod(samp->sampler, lambda, lodbias, lod);
+ memcpy(lod, c0, sizeof(lod));
+ }
/* XXX: Take into account all lod values.
*/
@@ -1420,7 +1455,7 @@ mip_filter_linear_2d_linear_repeat_POT(
else
samp->level = texture->last_level;
- img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, NULL, rgba );
+ img_filter_2d_linear_repeat_POT(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba);
}
else {
float levelBlend = lambda - level0;
@@ -1429,10 +1464,10 @@ mip_filter_linear_2d_linear_repeat_POT(
int c,j;
samp->level = level0;
- img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, NULL, rgba0 );
+ img_filter_2d_linear_repeat_POT(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba0);
samp->level = level0+1;
- img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, NULL, rgba1 );
+ img_filter_2d_linear_repeat_POT(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba1);
for (j = 0; j < QUAD_SIZE; j++) {
for (c = 0; c < 4; c++) {
@@ -1452,7 +1487,8 @@ sample_compare(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1460,7 +1496,7 @@ sample_compare(struct tgsi_sampler *tgsi_sampler,
int j, k0, k1, k2, k3;
float val;
- samp->mip_filter( tgsi_sampler, s, t, p, lodbias, rgba );
+ samp->mip_filter(tgsi_sampler, s, t, p, c0, control, rgba);
/**
* Compare texcoord 'p' (aka R) against texture value 'rgba[0]'
@@ -1538,7 +1574,8 @@ sample_cube(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
@@ -1619,7 +1656,7 @@ sample_cube(struct tgsi_sampler *tgsi_sampler,
* is not active, this will point somewhere deeper into the
* pipeline, eg. to mip_filter or even img_filter.
*/
- samp->compare(tgsi_sampler, ssss, tttt, NULL, lodbias, rgba);
+ samp->compare(tgsi_sampler, ssss, tttt, NULL, c0, control, rgba);
}
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.h b/src/gallium/drivers/softpipe/sp_tex_sample.h
index d01b384e858..b6e66c998ae 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.h
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.h
@@ -53,7 +53,8 @@ typedef void (*filter_func)(struct tgsi_sampler *tgsi_sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- const float lodbias[QUAD_SIZE],
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE]);