static void *
fd_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd_sampler_stateobj *so = CALLOC_STRUCT(fd_sampler_stateobj);
if (!so)
return NULL;
so->base = *cso;
/* SQ_TEX0_PITCH() must be OR'd in later when we know the bound texture: */
so->tex0 =
SQ_TEX0_CLAMP_X(tex_clamp(cso->wrap_s)) |
SQ_TEX0_CLAMP_Y(tex_clamp(cso->wrap_t)) |
SQ_TEX0_CLAMP_Z(tex_clamp(cso->wrap_r));
so->tex3 =
SQ_TEX3_XY_MAG_FILTER(tex_filter(cso->mag_img_filter)) |
SQ_TEX3_XY_MIN_FILTER(tex_filter(cso->min_img_filter));
so->tex4 = 0x00000000; /* ??? */
so->tex5 = 0x00000200; /* ??? */
return so;
}
static void *
fd3_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj);
bool miplinear = false;
if (!so)
return NULL;
if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR)
miplinear = true;
so->base = *cso;
so->texsamp0 =
COND(!cso->normalized_coords, A3XX_TEX_SAMP_0_UNNORM_COORDS) |
COND(miplinear, A3XX_TEX_SAMP_0_MIPFILTER_LINEAR) |
A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) |
A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) |
A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) |
A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) |
A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r));
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
so->texsamp1 =
A3XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
A3XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
} else {
so->texsamp1 = 0x00000000;
}
return so;
}
static void *
fd5_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd5_sampler_stateobj *so = CALLOC_STRUCT(fd5_sampler_stateobj);
unsigned aniso = util_last_bit(MIN2(cso->max_anisotropy >> 1, 8));
bool miplinear = false;
bool clamp_to_edge;
if (!so)
return NULL;
so->base = *cso;
if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR)
miplinear = true;
/*
* For nearest filtering, _CLAMP means _CLAMP_TO_EDGE; for linear
* filtering, _CLAMP means _CLAMP_TO_BORDER while additionally
* clamping the texture coordinates to [0.0, 1.0].
*
* The clamping will be taken care of in the shaders. There are two
* filters here, but let the minification one has a say.
*/
clamp_to_edge = (cso->min_img_filter == PIPE_TEX_FILTER_NEAREST);
if (!clamp_to_edge) {
so->saturate_s = (cso->wrap_s == PIPE_TEX_WRAP_CLAMP);
so->saturate_t = (cso->wrap_t == PIPE_TEX_WRAP_CLAMP);
so->saturate_r = (cso->wrap_r == PIPE_TEX_WRAP_CLAMP);
}
so->needs_border = false;
so->texsamp0 =
COND(miplinear, A5XX_TEX_SAMP_0_MIPFILTER_LINEAR_NEAR) |
A5XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) |
A5XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) |
A5XX_TEX_SAMP_0_ANISO(aniso) |
A5XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, clamp_to_edge, &so->needs_border)) |
A5XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, clamp_to_edge, &so->needs_border)) |
A5XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, clamp_to_edge, &so->needs_border));
so->texsamp1 =
COND(!cso->seamless_cube_map, A5XX_TEX_SAMP_1_CUBEMAPSEAMLESSFILTOFF) |
COND(!cso->normalized_coords, A5XX_TEX_SAMP_1_UNNORM_COORDS);
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
so->texsamp0 |= A5XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias);
so->texsamp1 |=
A5XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
A5XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
}
if (cso->compare_mode)
so->texsamp1 |= A5XX_TEX_SAMP_1_COMPARE_FUNC(cso->compare_func); /* maps 1:1 */
return so;
}
static void *
fd4_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd4_sampler_stateobj *so = CALLOC_STRUCT(fd4_sampler_stateobj);
unsigned aniso = util_last_bit(MIN2(cso->max_anisotropy >> 1, 8));
bool miplinear = false;
if (!so)
return NULL;
if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR)
miplinear = true;
so->base = *cso;
so->texsamp0 =
COND(miplinear, A4XX_TEX_SAMP_0_MIPFILTER_LINEAR_NEAR) |
A4XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) |
A4XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) |
A4XX_TEX_SAMP_0_ANISO(aniso) |
A4XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) |
A4XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) |
A4XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r));
so->texsamp1 =
// COND(miplinear, A4XX_TEX_SAMP_1_MIPFILTER_LINEAR_FAR) |
COND(!cso->normalized_coords, A4XX_TEX_SAMP_1_UNNORM_COORDS);
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
so->texsamp0 |= A4XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias);
so->texsamp1 |=
A4XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
A4XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
}
if (cso->compare_mode)
so->texsamp1 |= A4XX_TEX_SAMP_1_COMPARE_FUNC(cso->compare_func); /* maps 1:1 */
return so;
}
static void *
fd3_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj);
if (!so)
return NULL;
so->base = *cso;
so->texsamp0 =
A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) |
A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) |
A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) |
A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) |
A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r));
so->texsamp1 = 0x00000000; /* ??? */
return so;
}
static void *
fd3_sampler_state_create(struct pipe_context *pctx,
const struct pipe_sampler_state *cso)
{
struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj);
bool miplinear = false;
if (!so)
return NULL;
if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR)
miplinear = true;
so->base = *cso;
so->texsamp0 =
COND(!cso->normalized_coords, A3XX_TEX_SAMP_0_UNNORM_COORDS) |
COND(miplinear, A3XX_TEX_SAMP_0_MIPFILTER_LINEAR) |
A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) |
A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) |
A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) |
A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) |
A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r));
/* when mip-map is not disabled, this gets set.. I guess possibly
* it is the LOD related params, but I think I need GLES3 blob driver
* to be able to tell..
*/
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
so->texsamp1 = 0x003ff000;
} else {
so->texsamp1 = 0x00000000;
}
return so;
}