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softpipe: Change faces type to uint

Browse source 
This is to avoid needless float<->int conversions, since all
face-related computations are made on integers. Spotted by Emil
Velikov.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Krzesimir Nowak 2015-09-12 08:17:00 -06:00 • committed by Brian Paul
parent 59519c2283
commit 08ceb5e076
2 changed files with 6 additions and 6 deletions
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10
src/gallium/drivers/softpipe/sp_tex_sample.c
View file

@ -2200,7 +2200,7 @@ img_filter_2d_ewa(const struct sp_sampler_view *sp_sview,
const float s[TGSI_QUAD_SIZE],
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
const float faces[TGSI_QUAD_SIZE],
const uint faces[TGSI_QUAD_SIZE],
unsigned level,
const float dudx, const float dvdx,
const float dudy, const float dvdy,
@ -3089,7 +3089,7 @@ convert_cube(const struct sp_sampler_view *sp_sview,
float ssss[TGSI_QUAD_SIZE],
float tttt[TGSI_QUAD_SIZE],
float pppp[TGSI_QUAD_SIZE],
float faces[TGSI_QUAD_SIZE])
uint faces[TGSI_QUAD_SIZE])
{
unsigned j;
@ -3564,14 +3564,14 @@ sp_tgsi_get_samples(struct tgsi_sampler *tgsi_sampler,
float cs[TGSI_QUAD_SIZE];
float ct[TGSI_QUAD_SIZE];
float cp[TGSI_QUAD_SIZE];
float faces[TGSI_QUAD_SIZE];
uint faces[TGSI_QUAD_SIZE];
convert_cube(sp_sview, sp_samp, s, t, p, c0, cs, ct, cp, faces);
filt_args.faces = faces;
sample_mip(sp_sview, sp_samp, cs, ct, cp, c0, lod, &filt_args, rgba);
} else {
static const float zero_faces[TGSI_QUAD_SIZE] = {0.0f, 0.0f, 0.0f, 0.0f};
static const uint zero_faces[TGSI_QUAD_SIZE] = {0, 0, 0, 0};
filt_args.faces = zero_faces;
sample_mip(sp_sview, sp_samp, s, t, p, c0, lod, &filt_args, rgba);
@ -3619,7 +3619,7 @@ sp_tgsi_query_lod(const struct tgsi_sampler *tgsi_sampler,
float cs[TGSI_QUAD_SIZE];
float ct[TGSI_QUAD_SIZE];
float cp[TGSI_QUAD_SIZE];
float unused_faces[TGSI_QUAD_SIZE];
uint unused_faces[TGSI_QUAD_SIZE];
convert_cube(sp_sview, sp_samp, s, t, p, c0, cs, ct, cp, unused_faces);
compute_lambda_lod_unclamped(sp_sview, sp_samp,

2
src/gallium/drivers/softpipe/sp_tex_sample.h
View file

@ -72,7 +72,7 @@ typedef void (*img_filter_func)(const struct sp_sampler_view *sp_sview,
struct filter_args {
enum tgsi_sampler_control control;
const int8_t *offset;
const float *faces;
const uint *faces;
};
typedef void (*mip_filter_func)(const struct sp_sampler_view *sp_sview,