diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_texture.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index 3c8ff24e17d..37c7910d800 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -36,7 +36,7 @@ static void r300_setup_texture_state(struct r300_texture* tex) state->format0 = R300_TX_WIDTH((pt->width[0] - 1) & 0x7ff) | R300_TX_HEIGHT((pt->height[0] - 1) & 0x7ff) | R300_TX_DEPTH(util_logbase2(pt->depth[0]) & 0xf) | - R300_TX_NUM_LEVELS(pt->last_level) | + R300_TX_NUM_LEVELS(pt->last_level & 0xf) | R300_TX_PITCH_EN; /* XXX */ @@ -48,7 +48,8 @@ static void r300_setup_texture_state(struct r300_texture* tex) state->format1 |= R300_TX_FORMAT_3D; } - state->format2 = (r300_texture_get_stride(tex, 0) / pt->block.size) - 1; + state->format2 = ((r300_texture_get_stride(tex, 0) / pt->block.size) - 1) + & 0x1fff; /* Don't worry about accidentally setting this bit on non-r500; * the kernel should catch it. */ @@ -63,6 +64,26 @@ static void r300_setup_texture_state(struct r300_texture* tex) pt->width[0], pt->height[0], pt->last_level); } +unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level, + unsigned zslice, unsigned face) +{ + unsigned offset = tex->offset[level]; + + switch (tex->tex.target) { + case PIPE_TEXTURE_3D: + assert(face == 0); + return offset + zslice * tex->layer_size[level]; + + case PIPE_TEXTURE_CUBE: + assert(zslice == 0); + return offset + face * tex->layer_size[level]; + + default: + assert(zslice == 0 && face == 0); + return offset; + } +} + /** * Return the stride, in bytes, of the texture images of the given texture * at the given level. @@ -84,7 +105,7 @@ unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level) static void r300_setup_miptree(struct r300_texture* tex) { struct pipe_texture* base = &tex->tex; - int stride, size; + int stride, size, layer_size; int i; for (i = 0; i <= base->last_level; i++) { @@ -98,10 +119,12 @@ static void r300_setup_miptree(struct r300_texture* tex) base->nblocksy[i] = pf_get_nblocksy(&base->block, base->height[i]); stride = r300_texture_get_stride(tex, i); - size = stride * base->nblocksy[i] * base->depth[i]; + layer_size = stride * base->nblocksy[i]; + size = layer_size * base->depth[i]; tex->offset[i] = align(tex->size, 32); tex->size = tex->offset[i] + size; + tex->layer_size[i] = layer_size; debug_printf("r300: Texture miptree: Level %d " "(%dx%dx%d px, pitch %d bytes)\n", @@ -161,8 +184,7 @@ static struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen, struct pipe_surface* surface = CALLOC_STRUCT(pipe_surface); unsigned offset; - /* XXX this is certainly dependent on tex target */ - offset = tex->offset[level]; + offset = r300_texture_get_offset(tex, level, zslice, face); if (surface) { pipe_reference_init(&surface->reference, 1); @@ -191,11 +213,6 @@ static struct pipe_texture* { struct r300_texture* tex; - if (base->target != PIPE_TEXTURE_2D || - base->depth[0] != 1) { - return NULL; - } - tex = CALLOC_STRUCT(r300_texture); if (!tex) { return NULL; |