- case PIPE_TEXTURE_CUBE:{
- const unsigned dim = pt->width[0];
- unsigned face;
- unsigned lvlWidth = pt->width[0], lvlHeight = pt->height[0];
-
- assert(lvlWidth == lvlHeight); /* cubemap images are square */
-
- /* Depending on the size of the largest images, pitch can be
- * determined either by the old-style packing of cubemap faces,
- * or the final row of 4x4, 2x2 and 1x1 faces below this.
- */
- if (dim > 32)
- tex->pitch = ((dim * pt->cpp * 2 + 3) & ~3) / pt->cpp;
- else
- tex->pitch = 14 * 8;
-
- tex->total_height = dim * 4 + 4;
-
- /* Set all the levels to effectively occupy the whole rectangular region.
- */
- for (level = 0; level <= pt->last_level; level++) {
- i915_miptree_set_level_info(tex, level, 6,
- 0, 0,
- lvlWidth, lvlHeight, 1);
- lvlWidth /= 2;
- lvlHeight /= 2;
- }
-
-
- for (face = 0; face < 6; face++) {
- unsigned x = initial_offsets[face][0] * dim;
- unsigned y = initial_offsets[face][1] * dim;
- unsigned d = dim;
-
- if (dim == 4 && face >= 4) {
- y = tex->total_height - 4;
- x = (face - 4) * 8;
- }
- else if (dim < 4 && (face > 0)) {
- y = tex->total_height - 4;
- x = face * 8;
- }
-
- for (level = 0; level <= pt->last_level; level++) {
- i915_miptree_set_image_offset(tex, level, face, x, y);
-
- d >>= 1;
-
- switch (d) {
- case 4:
- switch (face) {
- case PIPE_TEX_FACE_POS_X:
- case PIPE_TEX_FACE_NEG_X:
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- break;
- case PIPE_TEX_FACE_POS_Y:
- case PIPE_TEX_FACE_NEG_Y:
- y += 12;
- x -= 8;
- break;
- case PIPE_TEX_FACE_POS_Z:
- case PIPE_TEX_FACE_NEG_Z:
- y = tex->total_height - 4;
- x = (face - 4) * 8;
- break;
- }
-
- case 2:
- y = tex->total_height - 4;
- x = 16 + face * 8;
- break;
-
- case 1:
- x += 48;
- break;
-
- default:
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- break;
- }
- }
- }
- break;
- }