static void r300_setup_flags(struct r300_resource *tex)
{
tex->tex.uses_stride_addressing =
!util_is_power_of_two(tex->b.b.width0) ||
(tex->tex.stride_in_bytes_override &&
r300_stride_to_width(tex->b.b.format,
tex->tex.stride_in_bytes_override) != tex->b.b.width0);
tex->tex.is_npot =
tex->tex.uses_stride_addressing ||
!util_is_power_of_two(tex->b.b.height0) ||
!util_is_power_of_two(tex->b.b.depth0);
}
static void r300_tex_print_info(struct r300_resource *tex,
const char *func)
{
fprintf(stderr,
"r300: %s: Macro: %s, Micro: %s, Pitch: %i, Dim: %ix%ix%i, "
"LastLevel: %i, Size: %i, Format: %s, Samples: %i\n",
func,
tex->tex.macrotile[0] ? "YES" : " NO",
tex->tex.microtile ? "YES" : " NO",
r300_stride_to_width(tex->b.b.format, tex->tex.stride_in_bytes[0]),
tex->b.b.width0, tex->b.b.height0, tex->b.b.depth0,
tex->b.b.last_level, tex->tex.size_in_bytes,
util_format_short_name(tex->b.b.format),
tex->b.b.nr_samples);
}
static void r300_setup_cmask_properties(struct r300_screen *screen,
struct r300_resource *tex)
{
static unsigned cmask_align_x[4] = {16, 32, 48, 32};
static unsigned cmask_align_y[4] = {16, 16, 16, 32};
unsigned pipes, stride, cmask_num_dw, cmask_max_size;
/* We need an AA colorbuffer, no mipmaps. */
if (tex->b.b.nr_samples <= 1 ||
tex->b.b.last_level > 0 ||
util_format_is_depth_or_stencil(tex->b.b.format)) {
return;
}
/* FP16 AA needs R500 and a fairly new DRM. */
if ((tex->b.b.format == PIPE_FORMAT_R16G16B16A16_FLOAT ||
tex->b.b.format == PIPE_FORMAT_R16G16B16X16_FLOAT) &&
(!screen->caps.is_r500 || screen->info.drm_minor < 29)) {
return;
}
if (SCREEN_DBG_ON(screen, DBG_NO_CMASK)) {
return;
}
/* CMASK is part of raster pipes. The number of Z pipes doesn't matter. */
pipes = screen->info.r300_num_gb_pipes;
/* The single-pipe cards have 5120 dwords of CMASK RAM,
* the other cards have 4096 dwords of CMASK RAM per pipe. */
cmask_max_size = pipes == 1 ? 5120 : pipes * 4096;
stride = r300_stride_to_width(tex->b.b.format,
tex->tex.stride_in_bytes[0]);
stride = align(stride, 16);
/* Get the CMASK size in dwords. */
cmask_num_dw = r300_pixels_to_dwords(stride, tex->b.b.height0,
cmask_align_x[pipes-1],
cmask_align_y[pipes-1]);
/* Check the CMASK size against the CMASK memory limit. */
if (cmask_num_dw <= cmask_max_size) {
tex->tex.cmask_dwords = cmask_num_dw;
tex->tex.cmask_stride_in_pixels =
util_align_npot(stride, cmask_align_x[pipes-1]);
}
}
void r300_texture_setup_format_state(struct r300_screen *screen,
struct r300_resource *tex,
enum pipe_format format,
unsigned level,
unsigned width0_override,
unsigned height0_override,
struct r300_texture_format_state *out)
{
struct pipe_resource *pt = &tex->b.b;
struct r300_texture_desc *desc = &tex->tex;
boolean is_r500 = screen->caps.is_r500;
unsigned width, height, depth;
unsigned txwidth, txheight, txdepth;
width = u_minify(width0_override, level);
height = u_minify(height0_override, level);
depth = u_minify(desc->depth0, level);
txwidth = (width - 1) & 0x7ff;
txheight = (height - 1) & 0x7ff;
txdepth = util_logbase2(depth) & 0xf;
/* Mask out all the fields we change. */
out->format0 = 0;
out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK;
out->format2 &= R500_TXFORMAT_MSB;
out->tile_config = 0;
/* Set sampler state. */
out->format0 =
R300_TX_WIDTH(txwidth) |
R300_TX_HEIGHT(txheight) |
R300_TX_DEPTH(txdepth);
if (desc->uses_stride_addressing) {
unsigned stride =
r300_stride_to_width(format, desc->stride_in_bytes[level]);
/* rectangles love this */
out->format0 |= R300_TX_PITCH_EN;
out->format2 = (stride - 1) & 0x1fff;
}
if (pt->target == PIPE_TEXTURE_CUBE) {
out->format1 |= R300_TX_FORMAT_CUBIC_MAP;
}
if (pt->target == PIPE_TEXTURE_3D) {
out->format1 |= R300_TX_FORMAT_3D;
}
/* large textures on r500 */
if (is_r500)
{
unsigned us_width = txwidth;
unsigned us_height = txheight;
unsigned us_depth = txdepth;
if (width > 2048) {
out->format2 |= R500_TXWIDTH_BIT11;
}
if (height > 2048) {
out->format2 |= R500_TXHEIGHT_BIT11;
}
/* The US_FORMAT register fixes an R500 TX addressing bug.
* Don't ask why it must be set like this. I don't know it either. */
if (width > 2048) {
us_width = (0x000007FF + us_width) >> 1;
us_depth |= 0x0000000D;
}
if (height > 2048) {
us_height = (0x000007FF + us_height) >> 1;
us_depth |= 0x0000000E;
}
static void r300_setup_hyperz_properties(struct r300_screen *screen,
struct r300_resource *tex)
{
/* The tile size of 1 DWORD in ZMASK RAM is:
*
* GPU Pipes 4x4 mode 8x8 mode
* ------------------------------------------
* R580 4P/1Z 32x32 64x64
* RV570 3P/1Z 48x16 96x32
* RV530 1P/2Z 32x16 64x32
* 1P/1Z 16x16 32x32
*/
static unsigned zmask_blocks_x_per_dw[4] = {4, 8, 12, 8};
static unsigned zmask_blocks_y_per_dw[4] = {4, 4, 4, 8};
/* In HIZ RAM, one dword is always 8x8 pixels (each byte is 4x4 pixels),
* but the blocks have very weird ordering.
*
* With 2 pipes and an image of size 8xY, where Y >= 1,
* clearing 4 dwords clears blocks like this:
*
* 01012323
*
* where numbers correspond to dword indices. The blocks are interleaved
* in the X direction, so the alignment must be 4x1 blocks (32x8 pixels).
*
* With 4 pipes and an image of size 8xY, where Y >= 4,
* clearing 8 dwords clears blocks like this:
* 01012323
* 45456767
* 01012323
* 45456767
* where numbers correspond to dword indices. The blocks are interleaved
* in both directions, so the alignment must be 4x4 blocks (32x32 pixels)
*/
static unsigned hiz_align_x[4] = {8, 32, 48, 32};
static unsigned hiz_align_y[4] = {8, 8, 8, 32};
if (util_format_is_depth_or_stencil(tex->b.b.format) &&
util_format_get_blocksizebits(tex->b.b.format) == 32 &&
tex->tex.microtile) {
unsigned i, pipes;
if (screen->caps.family == CHIP_RV530) {
pipes = screen->info.r300_num_z_pipes;
} else {
pipes = screen->info.r300_num_gb_pipes;
}
for (i = 0; i <= tex->b.b.last_level; i++) {
unsigned zcomp_numdw, zcompsize, hiz_numdw, stride, height;
stride = r300_stride_to_width(tex->b.b.format,
tex->tex.stride_in_bytes[i]);
stride = align(stride, 16);
height = u_minify(tex->b.b.height0, i);
/* The 8x8 compression mode needs macrotiling. */
zcompsize = screen->caps.z_compress == R300_ZCOMP_8X8 &&
tex->tex.macrotile[i] &&
tex->b.b.nr_samples <= 1 ? 8 : 4;
/* Get the ZMASK buffer size in dwords. */
zcomp_numdw = r300_pixels_to_dwords(stride, height,
zmask_blocks_x_per_dw[pipes-1] * zcompsize,
zmask_blocks_y_per_dw[pipes-1] * zcompsize);
/* Check whether we have enough ZMASK memory. */
if (util_format_get_blocksizebits(tex->b.b.format) == 32 &&
zcomp_numdw <= screen->caps.zmask_ram * pipes) {
tex->tex.zmask_dwords[i] = zcomp_numdw;
tex->tex.zcomp8x8[i] = zcompsize == 8;
tex->tex.zmask_stride_in_pixels[i] =
util_align_npot(stride, zmask_blocks_x_per_dw[pipes-1] * zcompsize);
} else {
tex->tex.zmask_dwords[i] = 0;
tex->tex.zcomp8x8[i] = FALSE;
tex->tex.zmask_stride_in_pixels[i] = 0;
}
/* Now setup HIZ. */
stride = util_align_npot(stride, hiz_align_x[pipes-1]);
height = align(height, hiz_align_y[pipes-1]);
/* Get the HIZ buffer size in dwords. */
hiz_numdw = (stride * height) / (8*8 * pipes);
/* Check whether we have enough HIZ memory. */
if (hiz_numdw <= screen->caps.hiz_ram * pipes) {
tex->tex.hiz_dwords[i] = hiz_numdw;
tex->tex.hiz_stride_in_pixels[i] = stride;
} else {
tex->tex.hiz_dwords[i] = 0;
tex->tex.hiz_stride_in_pixels[i] = 0;
}
}
}
}