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path: root/src/gallium/drivers/softpipe/sp_tex_sample.c
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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_tex_sample.c128
1 files changed, 40 insertions, 88 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index ef7ccf4189..ff83c66d8b 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -547,7 +547,7 @@ compute_lambda_1d(const struct sp_sampler_varient *samp,
const float t[QUAD_SIZE],
const float p[QUAD_SIZE])
{
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]);
float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]);
float rho = MAX2(dsdx, dsdy) * texture->width0;
@@ -562,7 +562,7 @@ compute_lambda_2d(const struct sp_sampler_varient *samp,
const float t[QUAD_SIZE],
const float p[QUAD_SIZE])
{
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]);
float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]);
float dtdx = fabsf(t[QUAD_BOTTOM_RIGHT] - t[QUAD_BOTTOM_LEFT]);
@@ -581,7 +581,7 @@ compute_lambda_3d(const struct sp_sampler_varient *samp,
const float t[QUAD_SIZE],
const float p[QUAD_SIZE])
{
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]);
float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]);
float dtdx = fabsf(t[QUAD_BOTTOM_RIGHT] - t[QUAD_BOTTOM_LEFT]);
@@ -651,7 +651,7 @@ static INLINE const float *
get_texel_2d(const struct sp_sampler_varient *samp,
union tex_tile_address addr, int x, int y)
{
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level = addr.bits.level;
if (x < 0 || x >= (int) u_minify(texture->width0, level) ||
@@ -744,7 +744,7 @@ static INLINE const float *
get_texel_3d(const struct sp_sampler_varient *samp,
union tex_tile_address addr, int x, int y, int z)
{
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level = addr.bits.level;
if (x < 0 || x >= (int) u_minify(texture->width0, level) ||
@@ -932,7 +932,7 @@ img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width;
int x[4];
@@ -968,7 +968,7 @@ img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width, height;
int x[4], y[4];
@@ -1016,7 +1016,7 @@ img_filter_cube_nearest(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
const unsigned *faces = samp->faces; /* zero when not cube-mapping */
unsigned level0, j;
int width, height;
@@ -1056,7 +1056,7 @@ img_filter_3d_nearest(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width, height, depth;
int x[4], y[4], z[4];
@@ -1098,7 +1098,7 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width;
int x0[4], x1[4];
@@ -1138,7 +1138,7 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width, height;
int x0[4], y0[4], x1[4], y1[4];
@@ -1185,7 +1185,7 @@ img_filter_cube_linear(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
const unsigned *faces = samp->faces; /* zero when not cube-mapping */
unsigned level0, j;
int width, height;
@@ -1234,7 +1234,7 @@ img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
unsigned level0, j;
int width, height, depth;
int x0[4], x1[4], y0[4], y1[4], z0[4], z1[4];
@@ -1310,7 +1310,7 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
int level0;
float lambda;
float lod[QUAD_SIZE];
@@ -1373,7 +1373,7 @@ mip_filter_nearest(struct tgsi_sampler *tgsi_sampler,
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
float lambda;
float lod[QUAD_SIZE];
@@ -1461,7 +1461,7 @@ mip_filter_linear_2d_linear_repeat_POT(
float rgba[NUM_CHANNELS][QUAD_SIZE])
{
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
- const struct pipe_texture *texture = samp->texture;
+ const struct pipe_resource *texture = samp->texture;
int level0;
float lambda;
float lod[QUAD_SIZE];
@@ -1614,7 +1614,6 @@ sample_cube(struct tgsi_sampler *tgsi_sampler,
struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler);
unsigned j;
float ssss[4], tttt[4];
- unsigned face;
/*
major axis
@@ -1628,7 +1627,8 @@ sample_cube(struct tgsi_sampler *tgsi_sampler,
-rz TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT -rx -ry rz
*/
- /* First choose the cube face.
+ /* Choose the cube face and compute new s/t coords for the 2D face.
+ *
* Use the same cube face for all four pixels in the quad.
*
* This isn't ideal, but if we want to use a different cube face
@@ -1647,85 +1647,37 @@ sample_cube(struct tgsi_sampler *tgsi_sampler,
const float arx = fabsf(rx), ary = fabsf(ry), arz = fabsf(rz);
if (arx >= ary && arx >= arz) {
- if (rx >= 0.0F) {
- face = PIPE_TEX_FACE_POS_X;
- }
- else {
- face = PIPE_TEX_FACE_NEG_X;
+ float sign = (rx >= 0.0F) ? 1.0F : -1.0F;
+ uint face = (rx >= 0.0F) ? PIPE_TEX_FACE_POS_X : PIPE_TEX_FACE_NEG_X;
+ for (j = 0; j < QUAD_SIZE; j++) {
+ const float ima = -0.5F / fabsf(s[j]);
+ ssss[j] = sign * p[j] * ima + 0.5F;
+ tttt[j] = t[j] * ima + 0.5F;
+ samp->faces[j] = face;
}
}
else if (ary >= arx && ary >= arz) {
- if (ry >= 0.0F) {
- face = PIPE_TEX_FACE_POS_Y;
- }
- else {
- face = PIPE_TEX_FACE_NEG_Y;
+ float sign = (ry >= 0.0F) ? 1.0F : -1.0F;
+ uint face = (ry >= 0.0F) ? PIPE_TEX_FACE_POS_Y : PIPE_TEX_FACE_NEG_Y;
+ for (j = 0; j < QUAD_SIZE; j++) {
+ const float ima = -0.5F / fabsf(t[j]);
+ ssss[j] = -s[j] * ima + 0.5F;
+ tttt[j] = sign * -p[j] * ima + 0.5F;
+ samp->faces[j] = face;
}
}
else {
- if (rz > 0.0F) {
- face = PIPE_TEX_FACE_POS_Z;
- }
- else {
- face = PIPE_TEX_FACE_NEG_Z;
+ float sign = (rz >= 0.0F) ? 1.0F : -1.0F;
+ uint face = (rz >= 0.0F) ? PIPE_TEX_FACE_POS_Z : PIPE_TEX_FACE_NEG_Z;
+ for (j = 0; j < QUAD_SIZE; j++) {
+ const float ima = -0.5 / fabsf(p[j]);
+ ssss[j] = sign * -s[j] * ima + 0.5F;
+ tttt[j] = t[j] * ima + 0.5F;
+ samp->faces[j] = face;
}
}
}
- /* Now compute the 2D _face_ texture coords from the
- * 3D _cube_ texture coords.
- */
- for (j = 0; j < QUAD_SIZE; j++) {
- const float rx = s[j], ry = t[j], rz = p[j];
- const float arx = fabsf(rx), ary = fabsf(ry), arz = fabsf(rz);
- float sc, tc, ma;
-
- switch (face) {
- case PIPE_TEX_FACE_POS_X:
- sc = -rz;
- tc = -ry;
- ma = arx;
- break;
- case PIPE_TEX_FACE_NEG_X:
- sc = rz;
- tc = -ry;
- ma = arx;
- break;
- case PIPE_TEX_FACE_POS_Y:
- sc = rx;
- tc = rz;
- ma = ary;
- break;
- case PIPE_TEX_FACE_NEG_Y:
- sc = rx;
- tc = -rz;
- ma = ary;
- break;
- case PIPE_TEX_FACE_POS_Z:
- sc = rx;
- tc = -ry;
- ma = arz;
- break;
- case PIPE_TEX_FACE_NEG_Z:
- sc = -rx;
- tc = -ry;
- ma = arz;
- break;
- default:
- assert(0 && "bad cube face");
- sc = 0.0F;
- tc = 0.0F;
- ma = 0.0F;
- }
-
- {
- const float ima = 1.0 / ma;
- ssss[j] = ( sc * ima + 1.0F ) * 0.5F;
- tttt[j] = ( tc * ima + 1.0F ) * 0.5F;
- samp->faces[j] = face;
- }
- }
-
/* In our little pipeline, the compare stage is next. If compare
* is not active, this will point somewhere deeper into the
* pipeline, eg. to mip_filter or even img_filter.
@@ -1915,7 +1867,7 @@ get_img_filter(const union sp_sampler_key key,
void
sp_sampler_varient_bind_texture( struct sp_sampler_varient *samp,
struct softpipe_tex_tile_cache *tex_cache,
- const struct pipe_texture *texture )
+ const struct pipe_resource *texture )
{
const struct pipe_sampler_state *sampler = samp->sampler;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 01:26:00 +0000