diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index 83d9be8a024..6f4294f7a23 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -1788,9 +1788,9 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, float weight_buffer[TGSI_QUAD_SIZE]; unsigned buffer_next; int j; - float den;// = 0.0F; + float den; /* = 0.0F; */ float ddq; - float U;// = u0 - tex_u; + float U; /* = u0 - tex_u; */ int v; /* Scale ellipse formula to directly index the Filter Lookup Table. @@ -1806,8 +1806,8 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, * also the same. Note that texel/image access can only be performed using * a quad, i.e. it is not possible to get the pixel value for a single * tex coord. In order to have a better performance, the access is buffered - * using the s_buffer/t_buffer and weight_buffer. Only when the buffer is full, - * then the pixel values are read from the image. + * using the s_buffer/t_buffer and weight_buffer. Only when the buffer is + * full, then the pixel values are read from the image. */ ddq = 2 * A; @@ -1835,7 +1835,9 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, int u; for (u = u0; u <= u1; ++u) { - /* Note that the ellipse has been pre-scaled so F = WEIGHT_LUT_SIZE - 1 */ + /* Note that the ellipse has been pre-scaled so F = + * WEIGHT_LUT_SIZE - 1 + */ if (q < WEIGHT_LUT_SIZE) { /* as a LUT is used, q must never be negative; * should not happen, though @@ -1874,10 +1876,11 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, } } - /* if the tex coord buffer contains unread values, we will read them now. - * Note that in most cases we have to read more pixel values than required, - * however, as the img_filter_2d_nearest function(s) does not have a count - * parameter, we need to read the whole quad and ignore the unused values + /* if the tex coord buffer contains unread values, we will read + * them now. Note that in most cases we have to read more pixel + * values than required, however, as the img_filter_2d_nearest + * function(s) does not have a count parameter, we need to read + * the whole quad and ignore the unused values */ if (buffer_next > 0) { unsigned jj; @@ -1896,11 +1899,9 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, } if (den <= 0.0F) { - /* Reaching this place would mean - * that no pixels intersected the ellipse. - * This should never happen because - * the filter we use always - * intersects at least one pixel. + /* Reaching this place would mean that no pixels intersected + * the ellipse. This should never happen because the filter + * we use always intersects at least one pixel. */ /*rgba[0]=0; @@ -1908,7 +1909,8 @@ img_filter_2d_ewa(struct tgsi_sampler *tgsi_sampler, rgba[2]=0; rgba[3]=0;*/ /* not enough pixels in resampling, resort to direct interpolation */ - samp->min_img_filter(tgsi_sampler, s, t, p, NULL, tgsi_sampler_lod_bias, rgba_temp); + samp->min_img_filter(tgsi_sampler, s, t, p, NULL, + tgsi_sampler_lod_bias, rgba_temp); den = 1; num[0] = rgba_temp[0][j]; num[1] = rgba_temp[1][j]; @@ -2021,7 +2023,6 @@ mip_filter_linear_aniso(struct tgsi_sampler *tgsi_sampler, } - /** * Specialized version of mip_filter_linear with hard-wired calls to * 2d lambda calculation and 2d_linear_repeat_POT img filters. @@ -2091,7 +2092,6 @@ mip_filter_linear_2d_linear_repeat_POT( } - /** * Do shadow/depth comparisons. */ @@ -2288,9 +2288,11 @@ sample_cube(struct tgsi_sampler *tgsi_sampler, samp->compare(tgsi_sampler, ssss, tttt, NULL, c0, control, rgba); } -static void do_swizzling(const struct sp_sampler_variant *samp, - float in[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE], - float out[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]) + +static void +do_swizzling(const struct sp_sampler_variant *samp, + float in[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE], + float out[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]) { int j; const unsigned swizzle_r = samp->key.bits.swizzle_r; @@ -2359,6 +2361,7 @@ static void do_swizzling(const struct sp_sampler_variant *samp, } } + static void sample_swizzle(struct tgsi_sampler *tgsi_sampler, const float s[TGSI_QUAD_SIZE], @@ -2591,6 +2594,7 @@ sp_sampler_variant_destroy( struct sp_sampler_variant *samp ) FREE(samp); } + static void sample_get_dims(struct tgsi_sampler *tgsi_sampler, int level, int dims[4]) @@ -2639,12 +2643,12 @@ sample_get_dims(struct tgsi_sampler *tgsi_sampler, int level, */ static void sample_get_texels(struct tgsi_sampler *tgsi_sampler, - const int v_i[TGSI_QUAD_SIZE], - const int v_j[TGSI_QUAD_SIZE], - const int v_k[TGSI_QUAD_SIZE], - const int lod[TGSI_QUAD_SIZE], - const int8_t offset[3], - float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]) + const int v_i[TGSI_QUAD_SIZE], + const int v_j[TGSI_QUAD_SIZE], + const int v_k[TGSI_QUAD_SIZE], + const int lod[TGSI_QUAD_SIZE], + const int8_t offset[3], + float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]) { const struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); union tex_tile_address addr; @@ -2732,6 +2736,8 @@ sample_get_texels(struct tgsi_sampler *tgsi_sampler, do_swizzling(samp, rgba_temp, rgba); } } + + /** * Create a sampler variant for a given set of non-orthogonal state. */ |