From 4440428faa82f01b4dfb4be89618be2aaf153abd Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Thu, 7 Jan 2010 13:48:41 +0100 Subject: gallium: Fix texture sampling with explicit LOD in softpipe. --- src/gallium/drivers/softpipe/sp_tex_sample.c | 113 ++++++++++++++++++--------- 1 file changed, 75 insertions(+), 38 deletions(-) (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.c') diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index 9c535f82a5..1ae8fecacf 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); } -- cgit v1.2.3