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");
}
}
/**
* Return the stride, in bytes, of the texture images of the given texture
* at the given level.
*/
unsigned r300_texture_get_stride(struct r300_screen* screen,
struct r300_texture* tex, unsigned level)
{
unsigned tile_width, width;
if (tex->stride_override)
return tex->stride_override;
/* Check the level. */
if (level > tex->tex.last_level) {
SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
__FUNCTION__, level, tex->tex.last_level);
return 0;
}
width = u_minify(tex->tex.width0, level);
if (!util_format_is_compressed(tex->tex.format)) {
tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH,
tex->mip_macrotile[level]);
width = align(width, tile_width);
return util_format_get_stride(tex->tex.format, width);
} else {
return align(util_format_get_stride(tex->tex.format, width), 32);
}
}
/**
* Return the stride, in bytes, of the texture image of the given texture
* at the given level.
*/
static unsigned r300_texture_get_stride(struct r300_screen *screen,
struct r300_texture_desc *desc,
unsigned level)
{
unsigned tile_width, width, stride;
if (desc->stride_in_bytes_override)
return desc->stride_in_bytes_override;
/* Check the level. */
if (level > desc->b.b.last_level) {
SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
__FUNCTION__, level, desc->b.b.last_level);
return 0;
}
width = u_minify(desc->b.b.width0, level);
if (util_format_is_plain(desc->b.b.format)) {
tile_width = r300_get_pixel_alignment(desc->b.b.format,
desc->b.b.nr_samples,
desc->microtile,
desc->macrotile[level],
DIM_WIDTH);
width = align(width, tile_width);
stride = util_format_get_stride(desc->b.b.format, width);
/* Some IGPs need a minimum stride of 64 bytes, hmm... */
if (!desc->macrotile[level] &&
(screen->caps.family == CHIP_FAMILY_RS600 ||
screen->caps.family == CHIP_FAMILY_RS690 ||
screen->caps.family == CHIP_FAMILY_RS740)) {
unsigned min_stride;
if (desc->microtile) {
unsigned tile_height =
r300_get_pixel_alignment(desc->b.b.format,
desc->b.b.nr_samples,
desc->microtile,
desc->macrotile[level],
DIM_HEIGHT);
min_stride = 64 / tile_height;
} else {
min_stride = 64;
}
return stride < min_stride ? min_stride : stride;
}
/* The alignment to 32 bytes is sort of implied by the layout... */
return stride;
} else {
return align(util_format_get_stride(desc->b.b.format, width), 32);
}
}
void r300_texture_reinterpret_format(struct pipe_screen *screen,
struct pipe_texture *tex,
enum pipe_format new_format)
{
struct r300_screen *r300screen = r300_screen(screen);
SCREEN_DBG(r300screen, DBG_TEX, "r300: Reinterpreting format: %s -> %s\n",
util_format_name(tex->format), util_format_name(new_format));
tex->format = new_format;
r300_setup_texture_state(r300_screen(screen), (struct r300_texture*)tex);
}
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");
}
}
/**
* Return the stride, in bytes, of the texture image of the given texture
* at the given level.
*/
static unsigned r300_texture_get_stride(struct r300_screen *screen,
struct r300_resource *tex,
unsigned level)
{
unsigned tile_width, width, stride;
boolean is_rs690 = (screen->caps.family == CHIP_FAMILY_RS600 ||
screen->caps.family == CHIP_FAMILY_RS690 ||
screen->caps.family == CHIP_FAMILY_RS740);
if (tex->tex.stride_in_bytes_override)
return tex->tex.stride_in_bytes_override;
/* Check the level. */
if (level > tex->b.b.b.last_level) {
SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
__FUNCTION__, level, tex->b.b.b.last_level);
return 0;
}
width = u_minify(tex->tex.width0, level);
if (util_format_is_plain(tex->b.b.b.format)) {
tile_width = r300_get_pixel_alignment(tex->b.b.b.format,
tex->b.b.b.nr_samples,
tex->tex.microtile,
tex->tex.macrotile[level],
DIM_WIDTH, is_rs690);
width = align(width, tile_width);
stride = util_format_get_stride(tex->b.b.b.format, width);
/* The alignment to 32 bytes is sort of implied by the layout... */
return stride;
} else {
return align(util_format_get_stride(tex->b.b.b.format, width), is_rs690 ? 64 : 32);
}
}
/* Not required to implement u_resource_vtbl, consider moving to another file:
*/
struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
struct pipe_resource* texture,
unsigned face,
unsigned level,
unsigned zslice,
unsigned flags)
{
struct r300_texture* tex = r300_texture(texture);
struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
if (surface) {
uint32_t offset, tile_height;
pipe_reference_init(&surface->base.reference, 1);
pipe_resource_reference(&surface->base.texture, texture);
surface->base.format = texture->format;
surface->base.width = u_minify(texture->width0, level);
surface->base.height = u_minify(texture->height0, level);
surface->base.usage = flags;
surface->base.zslice = zslice;
surface->base.face = face;
surface->base.level = level;
surface->buffer = tex->buffer;
/* Prefer VRAM if there are multiple domains to choose from. */
surface->domain = tex->domain;
if (surface->domain & R300_DOMAIN_VRAM)
surface->domain &= ~R300_DOMAIN_GTT;
surface->offset = r300_texture_get_offset(&tex->desc,
level, zslice, face);
surface->pitch = tex->fb_state.pitch[level];
surface->format = tex->fb_state.format;
/* Parameters for the CBZB clear. */
surface->cbzb_allowed = tex->desc.cbzb_allowed[level];
surface->cbzb_width = align(surface->base.width, 64);
/* Height must be aligned to the size of a tile. */
tile_height = r300_get_pixel_alignment(tex->desc.b.b.format,
tex->desc.b.b.nr_samples,
tex->desc.microtile,
tex->desc.macrotile[level],
DIM_HEIGHT, 0);
surface->cbzb_height = align((surface->base.height + 1) / 2,
tile_height);
/* Offset must be aligned to 2K and must point at the beginning
* of a scanline. */
offset = surface->offset +
tex->desc.stride_in_bytes[level] * surface->cbzb_height;
surface->cbzb_midpoint_offset = offset & ~2047;
surface->cbzb_pitch = surface->pitch & 0x1ffffc;
if (util_format_get_blocksizebits(surface->base.format) == 32)
surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
else
surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
SCREEN_DBG(r300_screen(screen), DBG_CBZB,
"CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
surface->cbzb_allowed ? "YES" : " NO",
surface->cbzb_width, surface->cbzb_height,
offset & 2047,
tex->desc.microtile ? "YES" : " NO",
tex->desc.macrotile[level] ? "YES" : " NO");
}
return &surface->base;
}
static void r300_setup_texture_state(struct r300_screen* screen, struct r300_texture* tex)
{
struct r300_texture_format_state* state = &tex->state;
struct pipe_texture *pt = &tex->tex;
unsigned i;
boolean is_r500 = screen->caps->is_r500;
/* Set sampler state. */
state->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);
if (tex->is_npot) {
/* rectangles love this */
state->format0 |= R300_TX_PITCH_EN;
state->format2 = (tex->pitch[0] - 1) & 0x1fff;
} else {
/* power of two textures (3D, mipmaps, and no pitch) */
state->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf);
}
state->format1 = r300_translate_texformat(pt->format);
if (pt->target == PIPE_TEXTURE_CUBE) {
state->format1 |= R300_TX_FORMAT_CUBIC_MAP;
}
if (pt->target == PIPE_TEXTURE_3D) {
state->format1 |= R300_TX_FORMAT_3D;
}
/* large textures on r500 */
if (is_r500)
{
if (pt->width0 > 2048) {
state->format2 |= R500_TXWIDTH_BIT11;
}
if (pt->height0 > 2048) {
state->format2 |= R500_TXHEIGHT_BIT11;
}
}
SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",
pt->width0, pt->height0, pt->last_level);
/* Set framebuffer state. */
if (util_format_is_depth_or_stencil(tex->tex.format)) {
for (i = 0; i <= tex->tex.last_level; i++) {
tex->fb_state.depthpitch[i] =
tex->pitch[i] |
R300_DEPTHMACROTILE(tex->mip_macrotile[i]) |
R300_DEPTHMICROTILE(tex->microtile);
}
tex->fb_state.zb_format = r300_translate_zsformat(tex->tex.format);
} else {
for (i = 0; i <= tex->tex.last_level; i++) {
tex->fb_state.colorpitch[i] =
tex->pitch[i] |
r300_translate_colorformat(tex->tex.format) |
R300_COLOR_TILE(tex->mip_macrotile[i]) |
R300_COLOR_MICROTILE(tex->microtile);
}
tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->tex.format);
}
}