static void r300_setup_miptree(struct r300_screen *screen,
struct r300_resource *tex,
boolean align_for_cbzb)
{
struct pipe_resource *base = &tex->b.b.b;
unsigned stride, size, layer_size, nblocksy, i;
boolean rv350_mode = screen->caps.family >= CHIP_FAMILY_R350;
boolean aligned_for_cbzb;
tex->tex.size_in_bytes = 0;
SCREEN_DBG(screen, DBG_TEXALLOC,
"r300: Making miptree for texture, format %s\n",
util_format_short_name(base->format));
for (i = 0; i <= base->last_level; i++) {
/* Let's see if this miplevel can be macrotiled. */
tex->tex.macrotile[i] =
(tex->tex.macrotile[0] == RADEON_LAYOUT_TILED &&
r300_texture_macro_switch(tex, i, rv350_mode, DIM_WIDTH) &&
r300_texture_macro_switch(tex, i, rv350_mode, DIM_HEIGHT)) ?
RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR;
stride = r300_texture_get_stride(screen, tex, i);
/* Compute the number of blocks in Y, see if the CBZB clear can be
* used on the texture. */
aligned_for_cbzb = FALSE;
if (align_for_cbzb && tex->tex.cbzb_allowed[i])
nblocksy = r300_texture_get_nblocksy(tex, i, &aligned_for_cbzb);
else
nblocksy = r300_texture_get_nblocksy(tex, i, NULL);
layer_size = stride * nblocksy;
if (base->nr_samples) {
layer_size *= base->nr_samples;
}
if (base->target == PIPE_TEXTURE_CUBE)
size = layer_size * 6;
else
size = layer_size * u_minify(tex->tex.depth0, i);
tex->tex.offset_in_bytes[i] = tex->tex.size_in_bytes;
tex->tex.size_in_bytes = tex->tex.offset_in_bytes[i] + size;
tex->tex.layer_size_in_bytes[i] = layer_size;
tex->tex.stride_in_bytes[i] = stride;
tex->tex.stride_in_pixels[i] = stride_to_width(tex->b.b.b.format, stride);
tex->tex.cbzb_allowed[i] = tex->tex.cbzb_allowed[i] && aligned_for_cbzb;
SCREEN_DBG(screen, DBG_TEXALLOC, "r300: Texture miptree: Level %d "
"(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
i, u_minify(tex->tex.width0, i), u_minify(tex->tex.height0, i),
u_minify(tex->tex.depth0, i), stride, tex->tex.size_in_bytes,
tex->tex.macrotile[i] ? "TRUE" : "FALSE");
}
}
static void r300_texture_3d_fix_mipmapping(struct r300_screen *screen,
struct r300_texture_desc *desc)
{
/* The kernels <= 2.6.34-rc4 compute the size of mipmapped 3D textures
* incorrectly. This is a workaround to prevent CS from being rejected. */
unsigned i, size;
if (!screen->rws->get_value(screen->rws, R300_VID_DRM_2_3_0) &&
desc->b.b.target == PIPE_TEXTURE_3D &&
desc->b.b.last_level > 0) {
size = 0;
for (i = 0; i <= desc->b.b.last_level; i++) {
size += desc->stride_in_bytes[i] *
r300_texture_get_nblocksy(desc, i, FALSE);
}
size *= desc->b.b.depth0;
desc->size_in_bytes = size;
}
}
static void r300_setup_miptree(struct r300_screen* screen,
struct r300_texture* tex)
{
struct pipe_texture* base = &tex->tex;
unsigned stride, size, layer_size, nblocksy, i;
boolean rv350_mode = screen->caps->family >= CHIP_FAMILY_RV350;
SCREEN_DBG(screen, DBG_TEX, "r300: Making miptree for texture, format %s\n",
util_format_name(base->format));
for (i = 0; i <= base->last_level; i++) {
/* Let's see if this miplevel can be macrotiled. */
tex->mip_macrotile[i] = (tex->macrotile == R300_BUFFER_TILED &&
r300_texture_macro_switch(tex, i, rv350_mode)) ?
R300_BUFFER_TILED : R300_BUFFER_LINEAR;
stride = r300_texture_get_stride(screen, tex, i);
nblocksy = r300_texture_get_nblocksy(tex, i);
layer_size = stride * nblocksy;
if (base->target == PIPE_TEXTURE_CUBE)
size = layer_size * 6;
else
size = layer_size * u_minify(base->depth0, i);
tex->offset[i] = tex->size;
tex->size = tex->offset[i] + size;
tex->layer_size[i] = layer_size;
tex->pitch[i] = stride / util_format_get_blocksize(base->format);
SCREEN_DBG(screen, DBG_TEX, "r300: Texture miptree: Level %d "
"(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
i, u_minify(base->width0, i), u_minify(base->height0, i),
u_minify(base->depth0, i), stride, tex->size,
tex->mip_macrotile[i] ? "TRUE" : "FALSE");
}
}
