cell_update_texture_mapping(struct cell_context *cell)
{
uint face = 0, level = 0, zslice = 0;
+ uint i;
+
+ for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
+ if (cell->texture[i])
+ cell_tile_texture(cell, cell->texture[i]);
+ }
- if (cell->texture[0])
- cell_tile_texture(cell, cell->texture[0]);
#if 0
if (cell->tex_surf && cell->tex_map) {
pipe_surface_unmap(cell->tex_surf);
* XXX this is extremely primitive for now.
*/
vector float
-sample_texture_nearest(vector float texcoord)
+sample_texture_nearest(uint unit, vector float texcoord)
{
- const uint unit = 0;
vector float tc = spu_mul(texcoord, spu.texture[unit].tex_size);
vector unsigned int itc = spu_convtu(tc, 0); /* convert to int */
itc = spu_and(itc, spu.texture[unit].tex_size_mask); /* mask (GL_REPEAT) */
vector float
-sample_texture_bilinear(vector float texcoord)
+sample_texture_bilinear(uint unit, vector float texcoord)
{
- const uint unit = 0;
static const vec_uint4 offset_x = {0, 0, 1, 1};
static const vec_uint4 offset_y = {0, 1, 0, 1};
if (spu.texture[0].start) {
/* texture mapping */
+ const uint unit = 0;
vector float texcoords[4];
eval_coeff(2, (float) x, (float) y, texcoords);
if (spu_extract(mask, 0))
- colors[0] = spu.sample_texture(texcoords[0]);
+ colors[0] = spu.sample_texture(unit, texcoords[0]);
if (spu_extract(mask, 1))
- colors[1] = spu.sample_texture(texcoords[1]);
+ colors[1] = spu.sample_texture(unit, texcoords[1]);
if (spu_extract(mask, 2))
- colors[2] = spu.sample_texture(texcoords[2]);
+ colors[2] = spu.sample_texture(unit, texcoords[2]);
if (spu_extract(mask, 3))
- colors[3] = spu.sample_texture(texcoords[3]);
+ colors[3] = spu.sample_texture(unit, texcoords[3]);
+
+
+ if (spu.texture[1].start) {
+ /* multi-texture mapping */
+ const uint unit = 1;
+ vector float colors1[4];
+
+ eval_coeff(3, (float) x, (float) y, texcoords);
+
+ if (spu_extract(mask, 0))
+ colors1[0] = spu.sample_texture(unit, texcoords[0]);
+ if (spu_extract(mask, 1))
+ colors1[1] = spu.sample_texture(unit, texcoords[1]);
+ if (spu_extract(mask, 2))
+ colors1[2] = spu.sample_texture(unit, texcoords[2]);
+ if (spu_extract(mask, 3))
+ colors1[3] = spu.sample_texture(unit, texcoords[3]);
+
+ /* hack: modulate first texture by second */
+ colors[0] = spu_mul(colors[0], colors1[0]);
+ colors[1] = spu_mul(colors[1], colors1[1]);
+ colors[2] = spu_mul(colors[2], colors1[2]);
+ colors[3] = spu_mul(colors[3], colors1[3]);
+ }
+
}
else {
/* simple shading */