static void si_check_render_feedback_textures(struct si_context *sctx,
struct si_textures_info *textures)
{
uint32_t mask = textures->views.desc.enabled_mask;
while (mask) {
const struct pipe_sampler_view *view;
struct r600_texture *tex;
bool render_feedback = false;
unsigned i = u_bit_scan(&mask);
view = textures->views.views[i];
if(view->texture->target == PIPE_BUFFER)
continue;
tex = (struct r600_texture *)view->texture;
if (!tex->dcc_offset)
continue;
for (unsigned j = 0; j < sctx->framebuffer.state.nr_cbufs; ++j) {
struct r600_surface * surf;
if (!sctx->framebuffer.state.cbufs[j])
continue;
surf = (struct r600_surface*)sctx->framebuffer.state.cbufs[j];
if (tex == (struct r600_texture*)surf->base.texture &&
surf->base.u.tex.level >= view->u.tex.first_level &&
surf->base.u.tex.level <= view->u.tex.last_level &&
surf->base.u.tex.first_layer <= view->u.tex.last_layer &&
surf->base.u.tex.last_layer >= view->u.tex.first_layer)
render_feedback = true;
}
if (render_feedback) {
struct si_screen *screen = sctx->screen;
r600_texture_disable_dcc(&screen->b, tex);
}
}
}
static void
si_set_shader_images(struct pipe_context *pipe, unsigned shader,
unsigned start_slot, unsigned count,
struct pipe_image_view *views)
{
struct si_context *ctx = (struct si_context *)pipe;
struct si_screen *screen = ctx->screen;
struct si_images_info *images = &ctx->images[shader];
unsigned i, slot;
assert(shader < SI_NUM_SHADERS);
if (!count)
return;
assert(start_slot + count <= SI_NUM_IMAGES);
for (i = 0, slot = start_slot; i < count; ++i, ++slot) {
struct r600_resource *res;
if (!views || !views[i].resource) {
si_disable_shader_image(images, slot);
continue;
}
res = (struct r600_resource *)views[i].resource;
util_copy_image_view(&images->views[slot], &views[i]);
si_sampler_view_add_buffer(ctx, &res->b.b,
RADEON_USAGE_READWRITE);
if (res->b.b.target == PIPE_BUFFER) {
si_make_buffer_descriptor(screen, res,
views[i].format,
views[i].u.buf.first_element,
views[i].u.buf.last_element,
images->desc.list + slot * 8);
images->compressed_colortex_mask &= ~(1 << slot);
} else {
static const unsigned char swizzle[4] = { 0, 1, 2, 3 };
struct r600_texture *tex = (struct r600_texture *)res;
unsigned level;
unsigned width, height, depth;
assert(!tex->is_depth);
assert(tex->fmask.size == 0);
if (tex->dcc_offset &&
views[i].access & PIPE_IMAGE_ACCESS_WRITE)
r600_texture_disable_dcc(&screen->b, tex);
if (is_compressed_colortex(tex)) {
images->compressed_colortex_mask |= 1 << slot;
} else {
images->compressed_colortex_mask &= ~(1 << slot);
}
/* Always force the base level to the selected level.
*
* This is required for 3D textures, where otherwise
* selecting a single slice for non-layered bindings
* fails. It doesn't hurt the other targets.
*/
level = views[i].u.tex.level;
width = u_minify(res->b.b.width0, level);
height = u_minify(res->b.b.height0, level);
depth = u_minify(res->b.b.depth0, level);
si_make_texture_descriptor(screen, tex, false, res->b.b.target,
views[i].format, swizzle,
level, 0, 0,
views[i].u.tex.first_layer, views[i].u.tex.last_layer,
width, height, depth,
images->desc.list + slot * 8,
NULL);
}
images->desc.enabled_mask |= 1u << slot;
images->desc.dirty_mask |= 1u << slot;
}
}