int r600_texture_from_depth(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level)
{
struct r600_screen *rscreen = r600_screen(ctx->screen);
int r;
if (!rtexture->depth) {
/* This shouldn't happen maybe print a warning */
return 0;
}
if (rtexture->uncompressed && !rtexture->dirty) {
/* Uncompressed bo already in good state */
return 0;
}
/* allocate uncompressed texture */
if (rtexture->uncompressed == NULL) {
rtexture->uncompressed = radeon_bo(rscreen->rw, 0, rtexture->size, 4096, NULL);
if (rtexture->uncompressed == NULL) {
return -ENOMEM;
}
}
/* render a rectangle covering whole buffer to uncompress depth */
r = r600_blit_uncompress_depth(ctx, rtexture, level);
if (r) {
return r;
}
rtexture->dirty = 0;
return 0;
}
void r600_flush_depth_textures(struct r600_pipe_context *rctx)
{
unsigned int i;
/* FIXME: This handles fragment shader textures only. */
for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
struct r600_pipe_sampler_view *view;
struct r600_resource_texture *tex;
view = rctx->ps_samplers.views[i];
if (!view) continue;
tex = (struct r600_resource_texture *)view->base.texture;
if (!tex->depth)
continue;
if (tex->is_flushing_texture)
continue;
r600_blit_uncompress_depth(&rctx->context, tex);
}
/* also check CB here */
for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
struct r600_resource_texture *tex;
tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
if (!tex->depth)
continue;
if (tex->is_flushing_texture)
continue;
r600_blit_uncompress_depth(&rctx->context, tex);
}
}
static void r600_copy_first_sample(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_box box;
if (rsrc->is_depth && !rsrc->is_flushing_texture) {
if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
return; /* error */
/* Decompress the first sample only. */
r600_blit_uncompress_depth(ctx, rsrc, NULL,
0, 0,
info->src.layer, info->src.layer,
0, 0);
}
/* this is correct for upside-down blits too */
u_box_2d(info->src.x0,
info->src.y0,
info->src.x1 - info->src.x0,
info->src.y1 - info->src.y0, &box);
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, info->dst.res,
info->dst.level, info->dst.layer, &box);
dst_view = ctx->create_surface(ctx, info->dst.res, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(&src_templ, info->src.res, 0);
src_view = ctx->create_sampler_view(ctx, info->src.res, &src_templ);
/* Copy the first sample into dst. */
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture_view(rctx->blitter, dst_view, ~0, info->dst.x0,
info->dst.y0, src_view, 0, &box,
info->src.res->width0, info->src.res->height0,
info->mask);
r600_blitter_end(ctx);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
int r600_texture_depth_flush(struct pipe_context *ctx,
struct pipe_resource *texture, boolean just_create)
{
struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture;
struct pipe_resource resource;
if (rtex->flushed_depth_texture)
goto out;
resource.target = texture->target;
resource.format = texture->format;
resource.width0 = texture->width0;
resource.height0 = texture->height0;
resource.depth0 = texture->depth0;
resource.array_size = texture->array_size;
resource.last_level = texture->last_level;
resource.nr_samples = texture->nr_samples;
resource.usage = PIPE_USAGE_DYNAMIC;
resource.bind = texture->bind | PIPE_BIND_DEPTH_STENCIL;
resource.flags = R600_RESOURCE_FLAG_TRANSFER | texture->flags;
rtex->flushed_depth_texture = (struct r600_resource_texture *)ctx->screen->resource_create(ctx->screen, &resource);
if (rtex->flushed_depth_texture == NULL) {
R600_ERR("failed to create temporary texture to hold untiled copy\n");
return -ENOMEM;
}
((struct r600_resource_texture *)rtex->flushed_depth_texture)->is_flushing_texture = TRUE;
out:
if (just_create)
return 0;
/* XXX: only do this if the depth texture has actually changed:
*/
r600_blit_uncompress_depth(ctx, rtex);
return 0;
}
void r600_flush_depth_textures(struct r600_context *rctx,
struct r600_samplerview_state *textures)
{
unsigned i;
unsigned depth_texture_mask = textures->depth_texture_mask;
while (depth_texture_mask) {
struct pipe_sampler_view *view;
struct r600_texture *tex;
i = u_bit_scan(&depth_texture_mask);
view = &textures->views[i]->base;
assert(view);
tex = (struct r600_texture *)view->texture;
assert(tex->is_depth && !tex->is_flushing_texture);
r600_blit_uncompress_depth(&rctx->context, tex, NULL,
view->u.tex.first_level, view->u.tex.last_level,
0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level),
0, u_max_sample(&tex->resource.b.b));
}
}
static void r600_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)src;
struct texture_orig_info orig_info[2];
struct pipe_box sbox;
const struct pipe_box *psbox = src_box;
boolean restore_orig[2];
unsigned last_sample, i;
memset(orig_info, 0, sizeof(orig_info));
/* Handle buffers first. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
r600_copy_buffer(ctx, dst, dstx, src, src_box);
return;
}
assert(u_max_sample(dst) == u_max_sample(src));
last_sample = u_max_sample(dst);
/* This must be done before entering u_blitter to avoid recursion. */
if (rsrc->is_depth && !rsrc->is_flushing_texture) {
if (!r600_init_flushed_depth_texture(ctx, src, NULL))
return; /* error */
r600_blit_uncompress_depth(ctx, rsrc, NULL,
src_level, src_level,
src_box->z, src_box->z + src_box->depth - 1,
0, u_max_sample(src));
}
restore_orig[0] = restore_orig[1] = FALSE;
if (util_format_is_compressed(src->format) &&
util_format_is_compressed(dst->format)) {
r600_compressed_to_blittable(src, src_level, &orig_info[0]);
restore_orig[0] = TRUE;
sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
sbox.z = src_box->z;
sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
sbox.depth = src_box->depth;
psbox = &sbox;
r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
restore_orig[1] = TRUE;
/* translate the dst box as well */
dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
} else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
PIPE_MASK_RGBAZS)) {
if (util_format_is_subsampled_2x1_32bpp(src->format) &&
util_format_is_subsampled_2x1_32bpp(dst->format)) {
r600_subsampled_2x1_32bpp_to_blittable(src, src_level, &orig_info[0]);
r600_subsampled_2x1_32bpp_to_blittable(dst, dst_level, &orig_info[1]);
sbox = *src_box;
sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
psbox = &sbox;
dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
} else {
unsigned blocksize = util_format_get_blocksize(src->format);
switch (blocksize) {
case 1:
r600_change_format(src, src_level, &orig_info[0],
PIPE_FORMAT_R8_UNORM);
r600_change_format(dst, dst_level, &orig_info[1],
PIPE_FORMAT_R8_UNORM);
break;
case 4:
r600_change_format(src, src_level, &orig_info[0],
PIPE_FORMAT_R8G8B8A8_UNORM);
r600_change_format(dst, dst_level, &orig_info[1],
PIPE_FORMAT_R8G8B8A8_UNORM);
break;
default:
fprintf(stderr, "Unhandled format %s with blocksize %u\n",
util_format_short_name(src->format), blocksize);
assert(0);
}
}
restore_orig[0] = TRUE;
restore_orig[1] = TRUE;
}
for (i = 0; i <= last_sample; i++) {
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture(rctx->blitter, dst, dst_level, 1 << i, dstx, dsty, dstz,
src, src_level, i, psbox);
r600_blitter_end(ctx);
}
if (restore_orig[0])
r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
if (restore_orig[1])
r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
}
