static void r600_texture_state_cb(struct r600_screen *rscreen, struct r600_resource_texture *rtexture, unsigned cb, unsigned level)
{
struct radeon_state *rstate;
struct r600_resource *rbuffer;
unsigned pitch, slice;
unsigned color_info;
unsigned format, swap, ntype;
const struct util_format_description *desc;
rstate = &rtexture->cb[cb][level];
radeon_state_init(rstate, rscreen->rw, R600_STATE_CB0 + cb, 0, 0);
rbuffer = &rtexture->resource;
/* set states (most default value are 0 and struct already
* initialized to 0, thus avoid resetting them)
*/
pitch = (rtexture->pitch[level] / rtexture->bpt) / 8 - 1;
slice = (rtexture->pitch[level] / rtexture->bpt) * rtexture->height[level] / 64 - 1;
ntype = 0;
desc = util_format_description(rbuffer->base.b.format);
if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
ntype = V_0280A0_NUMBER_SRGB;
format = r600_translate_colorformat(rtexture->resource.base.b.format);
swap = r600_translate_colorswap(rtexture->resource.base.b.format);
if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
rstate->bo[0] = radeon_bo_incref(rscreen->rw, rtexture->uncompressed);
rstate->bo[1] = radeon_bo_incref(rscreen->rw, rtexture->uncompressed);
rstate->bo[2] = radeon_bo_incref(rscreen->rw, rtexture->uncompressed);
rstate->placement[0] = RADEON_GEM_DOMAIN_GTT;
rstate->placement[2] = RADEON_GEM_DOMAIN_GTT;
rstate->placement[4] = RADEON_GEM_DOMAIN_GTT;
rstate->nbo = 3;
color_info = 0;
} else {
rstate->bo[0] = radeon_bo_incref(rscreen->rw, rbuffer->bo);
rstate->bo[1] = radeon_bo_incref(rscreen->rw, rbuffer->bo);
rstate->bo[2] = radeon_bo_incref(rscreen->rw, rbuffer->bo);
rstate->placement[0] = RADEON_GEM_DOMAIN_GTT;
rstate->placement[2] = RADEON_GEM_DOMAIN_GTT;
rstate->placement[4] = RADEON_GEM_DOMAIN_GTT;
rstate->nbo = 3;
color_info = S_0280A0_SOURCE_FORMAT(1);
}
color_info |= S_0280A0_FORMAT(format) |
S_0280A0_COMP_SWAP(swap) |
S_0280A0_BLEND_CLAMP(1) |
S_0280A0_NUMBER_TYPE(ntype);
rstate->states[R600_CB0__CB_COLOR0_BASE] = rtexture->offset[level] >> 8;
rstate->states[R600_CB0__CB_COLOR0_INFO] = color_info;
rstate->states[R600_CB0__CB_COLOR0_SIZE] = S_028060_PITCH_TILE_MAX(pitch) |
S_028060_SLICE_TILE_MAX(slice);
radeon_state_pm4(rstate);
}
static void vi_get_fast_clear_parameters(enum pipe_format surface_format,
const union pipe_color_union *color,
uint32_t* reset_value,
bool* clear_words_needed)
{
bool values[4] = {};
int i;
bool main_value = false;
bool extra_value = false;
int extra_channel;
const struct util_format_description *desc = util_format_description(surface_format);
*clear_words_needed = true;
*reset_value = 0x20202020U;
/* If we want to clear without needing a fast clear eliminate step, we
* can set each channel to 0 or 1 (or 0/max for integer formats). We
* have two sets of flags, one for the last or first channel(extra) and
* one for the other channels(main).
*/
if (surface_format == PIPE_FORMAT_R11G11B10_FLOAT ||
surface_format == PIPE_FORMAT_B5G6R5_UNORM ||
surface_format == PIPE_FORMAT_B5G6R5_SRGB) {
extra_channel = -1;
} else if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
if(r600_translate_colorswap(surface_format) <= 1)
extra_channel = desc->nr_channels - 1;
else
extra_channel = 0;
} else
return;
for (i = 0; i < 4; ++i) {
int index = desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X;
if (desc->swizzle[i] < UTIL_FORMAT_SWIZZLE_X ||
desc->swizzle[i] > UTIL_FORMAT_SWIZZLE_W)
continue;
if (util_format_is_pure_sint(surface_format)) {
values[i] = color->i[i] != 0;
if (color->i[i] != 0 && color->i[i] != INT32_MAX)
return;
} else if (util_format_is_pure_uint(surface_format)) {
values[i] = color->ui[i] != 0U;
if (color->ui[i] != 0U && color->ui[i] != UINT32_MAX)
return;
} else {
values[i] = color->f[i] != 0.0F;
if (color->f[i] != 0.0F && color->f[i] != 1.0F)
return;
}
if (index == extra_channel)
extra_value = values[i];
else
main_value = values[i];
}
for (int i = 0; i < 4; ++i)
if (values[i] != main_value &&
desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X != extra_channel &&
desc->swizzle[i] >= UTIL_FORMAT_SWIZZLE_X &&
desc->swizzle[i] <= UTIL_FORMAT_SWIZZLE_W)
return;
*clear_words_needed = false;
if (main_value)
*reset_value |= 0x80808080U;
if (extra_value)
*reset_value |= 0x40404040U;
}
