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softpipe: tie in new code path for lod evaluation

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This enables the use of explicit gradients.

Also remove an unused parameter when changing the interfaces.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Gert Wollny
2019-04-19 09:21:54 +02:00
parent 9e26a0ed8f
commit d4b6ae223f
2 changed files with 21 additions and 46 deletions
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66
src/gallium/drivers/softpipe/sp_tex_sample.c
View File

@@ -1965,6 +1965,7 @@ compute_lambda_lod_unclamped(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 derivs[3][2][TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
enum tgsi_sampler_control control,
float lod[TGSI_QUAD_SIZE])
@@ -1976,11 +1977,13 @@ compute_lambda_lod_unclamped(const struct sp_sampler_view *sp_sview,
switch (control) {
case TGSI_SAMPLER_LOD_NONE:
/* XXX FIXME */
case TGSI_SAMPLER_DERIVS_EXPLICIT:
lambda = sp_sview->compute_lambda(sp_sview, s, t, p) + lod_bias;
lod[0] = lod[1] = lod[2] = lod[3] = lambda;
break;
case TGSI_SAMPLER_DERIVS_EXPLICIT:
for (i = 0; i < TGSI_QUAD_SIZE; i++)
lod[i] = sp_sview->compute_lambda_from_grad(sp_sview, derivs, i);
break;
case TGSI_SAMPLER_LOD_BIAS:
lambda = sp_sview->compute_lambda(sp_sview, s, t, p) + lod_bias;
for (i = 0; i < TGSI_QUAD_SIZE; i++) {
@@ -2012,6 +2015,7 @@ compute_lambda_lod(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],
float derivs[3][2][TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
enum tgsi_sampler_control control,
float lod[TGSI_QUAD_SIZE])
@@ -2022,7 +2026,7 @@ compute_lambda_lod(const struct sp_sampler_view *sp_sview,
int i;
compute_lambda_lod_unclamped(sp_sview, sp_samp,
s, t, p, lod_in, control, lod);
s, t, p, derivs, lod_in, control, lod);
for (i = 0; i < TGSI_QUAD_SIZE; i++) {
lod[i] = CLAMP(lod[i], min_lod, max_lod);
}
@@ -2081,18 +2085,14 @@ mip_filter_linear(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_comp,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
{
const struct pipe_sampler_view *psview = &sp_sview->base;
int j;
float lod[TGSI_QUAD_SIZE];
struct img_filter_args args;
compute_lambda_lod(sp_sview, sp_samp, s, t, p, lod_in, filt_args->control, lod);
args.offset = filt_args->offset;
args.gather_only = filt_args->control == TGSI_SAMPLER_GATHER;
args.gather_comp = gather_comp;
@@ -2168,13 +2168,11 @@ mip_filter_nearest(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_component,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
{
const struct pipe_sampler_view *psview = &sp_sview->base;
float lod[TGSI_QUAD_SIZE];
int j;
struct img_filter_args args;
@@ -2182,15 +2180,13 @@ mip_filter_nearest(const struct sp_sampler_view *sp_sview,
args.gather_only = filt_args->control == TGSI_SAMPLER_GATHER;
args.gather_comp = gather_component;
compute_lambda_lod(sp_sview, sp_samp, s, t, p, lod_in, filt_args->control, lod);
for (j = 0; j < TGSI_QUAD_SIZE; j++) {
args.s = s[j];
args.t = t[j];
args.p = p[j];
args.face_id = filt_args->faces[j];
if (lod[j] <= 0.0 && !args.gather_only) {
if (lod[j] <= 0.0f && !args.gather_only) {
args.level = psview->u.tex.first_level;
mag_filter(sp_sview, sp_samp, &args, &rgba[0][j]);
} else {
@@ -2231,12 +2227,10 @@ mip_filter_none(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_component,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
{
float lod[TGSI_QUAD_SIZE];
int j;
struct img_filter_args args;
@@ -2245,8 +2239,6 @@ mip_filter_none(const struct sp_sampler_view *sp_sview,
args.gather_only = filt_args->control == TGSI_SAMPLER_GATHER;
args.gather_comp = gather_component;
compute_lambda_lod(sp_sview, sp_samp, s, t, p, lod_in, filt_args->control, lod);
for (j = 0; j < TGSI_QUAD_SIZE; j++) {
args.s = s[j];
args.t = t[j];
@@ -2283,7 +2275,6 @@ mip_filter_none_no_filter_select(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_comp,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
@@ -2553,7 +2544,6 @@ mip_filter_linear_aniso(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
UNUSED int gather_comp,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
@@ -2687,16 +2677,12 @@ mip_filter_linear_2d_linear_repeat_POT(
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_comp,
const float c0[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const struct filter_args *filt_args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE])
{
const struct pipe_sampler_view *psview = &sp_sview->base;
int j;
float lod[TGSI_QUAD_SIZE];
compute_lambda_lod(sp_sview, sp_samp, s, t, p, lod_in, filt_args->control, lod);
for (j = 0; j < TGSI_QUAD_SIZE; j++) {
const int level0 = psview->u.tex.first_level + (int)lod[j];
@@ -3203,7 +3189,7 @@ sample_mip(const struct sp_sampler_view *sp_sview,
&funcs, &min_img_filter, &mag_img_filter);
funcs->filter(sp_sview, sp_samp, min_img_filter, mag_img_filter,
s, t, p, gather_comp, c0, lod, filt_args, rgba);
s, t, p, gather_comp, lod, filt_args, rgba);
if (sp_samp->base.compare_mode != PIPE_TEX_COMPARE_NONE) {
sample_compare(sp_sview, sp_samp, c0, filt_args->control, rgba);
@@ -3707,7 +3693,6 @@ static void prepare_compare_values(enum pipe_texture_target target,
pc[2] = p[2];
pc[3] = p[3];
}
}
static void
@@ -3718,7 +3703,7 @@ sp_tgsi_get_samples(struct tgsi_sampler *tgsi_sampler,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
const float c0[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const float lod_in[TGSI_QUAD_SIZE],
float derivs[3][2][TGSI_QUAD_SIZE],
const int8_t offset[3],
enum tgsi_sampler_control control,
@@ -3730,6 +3715,7 @@ sp_tgsi_get_samples(struct tgsi_sampler *tgsi_sampler,
const struct sp_sampler *sp_samp;
struct filter_args filt_args;
float compare_values[TGSI_QUAD_SIZE];
float lod[TGSI_QUAD_SIZE];
assert(sview_index < PIPE_MAX_SHADER_SAMPLER_VIEWS);
assert(sampler_index < PIPE_MAX_SAMPLERS);
@@ -3749,12 +3735,13 @@ sp_tgsi_get_samples(struct tgsi_sampler *tgsi_sampler,
}
if (sp_samp->base.compare_mode != PIPE_TEX_COMPARE_NONE)
prepare_compare_values(sp_sview->base.target, p, c0, lod, compare_values);
prepare_compare_values(sp_sview->base.target, p, c0, lod_in, compare_values);
filt_args.control = control;
filt_args.offset = offset;
int gather_comp = get_gather_component(lod);
int gather_comp = get_gather_component(lod_in);
compute_lambda_lod(sp_sview,sp_samp, s, t, p, derivs, lod_in, control, lod);
if (sp_sview->need_cube_convert) {
float cs[TGSI_QUAD_SIZE];
@@ -3787,6 +3774,7 @@ sp_tgsi_query_lod(const struct tgsi_sampler *tgsi_sampler,
float lod[TGSI_QUAD_SIZE])
{
static const float lod_in[TGSI_QUAD_SIZE] = { 0.0, 0.0, 0.0, 0.0 };
static const float dummy_grad[3][2][TGSI_QUAD_SIZE];
const struct sp_tgsi_sampler *sp_tgsi_samp =
sp_tgsi_sampler_cast_c(tgsi_sampler);
@@ -3810,20 +3798,8 @@ sp_tgsi_query_lod(const struct tgsi_sampler *tgsi_sampler,
}
return;
}
if (sp_sview->need_cube_convert) {
float cs[TGSI_QUAD_SIZE];
float ct[TGSI_QUAD_SIZE];
float cp[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,
cs, ct, cp, lod_in, control, lod);
} else {
compute_lambda_lod_unclamped(sp_sview, sp_samp,
s, t, p, lod_in, control, lod);
}
compute_lambda_lod_unclamped(sp_sview, sp_samp,
s, t, p, dummy_grad, lod_in, control, lod);
get_filters(sp_sview, sp_samp, control, &funcs, NULL, NULL);
funcs->relative_level(sp_sview, sp_samp, lod, mipmap);

1
src/gallium/drivers/softpipe/sp_tex_sample.h
View File

@@ -87,7 +87,6 @@ typedef void (*mip_filter_func)(const struct sp_sampler_view *sp_sview,
const float t[TGSI_QUAD_SIZE],
const float p[TGSI_QUAD_SIZE],
int gather_comp,
const float c0[TGSI_QUAD_SIZE],
const float lod[TGSI_QUAD_SIZE],
const struct filter_args *args,
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]);