/* Same as resource_copy_region, except that both upsampling and downsampling are allowed. */
static void r600_copy_region_with_blit(struct pipe_context *pipe,
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 pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = src;
blit.src.format = src->format;
blit.src.level = src_level;
blit.src.box = *src_box;
blit.dst.resource = dst;
blit.dst.format = dst->format;
blit.dst.level = dst_level;
blit.dst.box.x = dstx;
blit.dst.box.y = dsty;
blit.dst.box.z = dstz;
blit.dst.box.width = src_box->width;
blit.dst.box.height = src_box->height;
blit.dst.box.depth = src_box->depth;
blit.mask = util_format_get_mask(src->format) &
util_format_get_mask(dst->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
if (blit.mask) {
pipe->blit(pipe, &blit);
}
}
/**
* Build a struct pipe_blit_info object from the arguments used by the
* pipe::resource_copy_region() function.
*/
static void
build_blit_info(struct pipe_resource *dst_tex,
unsigned dst_level,
unsigned dst_x,
unsigned dst_y,
unsigned dst_z,
struct pipe_resource *src_tex,
unsigned src_level,
const struct pipe_box *src_box,
struct pipe_blit_info *blit)
{
memset(blit, 0, sizeof(*blit));
blit->src.format = src_tex->format;
blit->dst.format = dst_tex->format;
blit->mask = util_format_get_mask(blit->dst.format);
blit->filter = PIPE_TEX_FILTER_NEAREST;
blit->src.resource = src_tex;
blit->src.level = src_level;
blit->dst.resource = dst_tex;
blit->dst.level = dst_level;
blit->src.box = *src_box;
u_box_3d(dst_x, dst_y, dst_z, src_box->width, src_box->height,
src_box->depth, &blit->dst.box);
}
/**
* Try to do a blit using resource_copy_region. The function calls
* resource_copy_region if the blit description is compatible with it.
*
* It returns TRUE if the blit was done using resource_copy_region.
*
* It returns FALSE otherwise and the caller must fall back to a more generic
* codepath for the blit operation. (e.g. by using u_blitter)
*/
boolean
util_try_blit_via_copy_region(struct pipe_context *ctx,
const struct pipe_blit_info *blit)
{
unsigned mask = util_format_get_mask(blit->dst.format);
/* No format conversions. */
if (blit->src.resource->format != blit->src.format ||
blit->dst.resource->format != blit->dst.format ||
!util_is_format_compatible(
util_format_description(blit->src.resource->format),
util_format_description(blit->dst.resource->format))) {
return FALSE;
}
/* No masks, no filtering, no scissor. */
if ((blit->mask & mask) != mask ||
blit->filter != PIPE_TEX_FILTER_NEAREST ||
blit->scissor_enable) {
return FALSE;
}
/* No flipping. */
if (blit->src.box.width < 0 ||
blit->src.box.height < 0 ||
blit->src.box.depth < 0) {
return FALSE;
}
/* No scaling. */
if (blit->src.box.width != blit->dst.box.width ||
blit->src.box.height != blit->dst.box.height ||
blit->src.box.depth != blit->dst.box.depth) {
return FALSE;
}
/* No out-of-bounds access. */
if (!is_box_inside_resource(blit->src.resource, &blit->src.box,
blit->src.level) ||
!is_box_inside_resource(blit->dst.resource, &blit->dst.box,
blit->dst.level)) {
return FALSE;
}
/* Sample counts must match. */
if (get_sample_count(blit->src.resource) !=
get_sample_count(blit->dst.resource)) {
return FALSE;
}
if (blit->alpha_blend)
return FALSE;
ctx->resource_copy_region(ctx, blit->dst.resource, blit->dst.level,
blit->dst.box.x, blit->dst.box.y, blit->dst.box.z,
blit->src.resource, blit->src.level,
&blit->src.box);
return TRUE;
}
/* In the case of transfer_map of a multi-sample resource, call back into
* pctx->transfer_map() to map the staging resource, to handle cases of
* MSAA + separate_z32s8 or fake_rgtc
*/
static void *
transfer_map_msaa(struct pipe_context *pctx,
struct pipe_resource *prsc,
unsigned level, unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **pptrans)
{
struct pipe_screen *pscreen = pctx->screen;
struct u_transfer *trans = calloc(1, sizeof(*trans));
if (!trans)
return NULL;
struct pipe_transfer *ptrans = &trans->base;
pipe_resource_reference(&ptrans->resource, prsc);
ptrans->level = level;
ptrans->usage = usage;
ptrans->box = *box;
struct pipe_resource tmpl = {
.target = prsc->target,
.format = prsc->format,
.width0 = box->width,
.height0 = box->height,
.depth0 = 1,
.array_size = 1,
};
trans->ss = pscreen->resource_create(pscreen, &tmpl);
if (!trans->ss) {
free(trans);
return NULL;
}
if (needs_pack(usage)) {
struct pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = ptrans->resource;
blit.src.format = ptrans->resource->format;
blit.src.level = ptrans->level;
blit.src.box = *box;
blit.dst.resource = trans->ss;
blit.dst.format = trans->ss->format;
blit.dst.box.width = box->width;
blit.dst.box.height = box->height;
blit.dst.box.depth = 1;
blit.mask = util_format_get_mask(prsc->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pctx->blit(pctx, &blit);
}
struct pipe_box map_box = *box;
map_box.x = 0;
map_box.y = 0;
void *ss_map = pctx->transfer_map(pctx, trans->ss, 0, usage, &map_box,
&trans->trans);
if (!ss_map) {
free(trans);
return NULL;
}
ptrans->stride = trans->trans->stride;
*pptrans = ptrans;
return ss_map;
}
void *
u_transfer_helper_transfer_map(struct pipe_context *pctx,
struct pipe_resource *prsc,
unsigned level, unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **pptrans)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
struct u_transfer *trans;
struct pipe_transfer *ptrans;
enum pipe_format format = prsc->format;
unsigned width = box->width;
unsigned height = box->height;
if (!handle_transfer(prsc))
return helper->vtbl->transfer_map(pctx, prsc, level, usage, box, pptrans);
if (helper->msaa_map && (prsc->nr_samples > 1))
return transfer_map_msaa(pctx, prsc, level, usage, box, pptrans);
debug_assert(box->depth == 1);
trans = calloc(1, sizeof(*trans));
if (!trans)
return NULL;
ptrans = &trans->base;
pipe_resource_reference(&ptrans->resource, prsc);
ptrans->level = level;
ptrans->usage = usage;
ptrans->box = *box;
ptrans->stride = util_format_get_stride(format, box->width);
ptrans->layer_stride = ptrans->stride * box->height;
trans->staging = malloc(ptrans->layer_stride);
if (!trans->staging)
goto fail;
trans->ptr = helper->vtbl->transfer_map(pctx, prsc, level, usage, box,
&trans->trans);
if (!trans->ptr)
goto fail;
if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
struct pipe_resource *stencil = helper->vtbl->get_stencil(prsc);
trans->ptr2 = helper->vtbl->transfer_map(pctx, stencil, level,
usage, box, &trans->trans2);
if (needs_pack(usage)) {
util_format_z32_float_s8x24_uint_pack_z_float(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
util_format_z32_float_s8x24_uint_pack_s_8uint(trans->staging,
ptrans->stride,
trans->ptr2,
trans->trans2->stride,
width, height);
}
} else if (needs_pack(usage) &&
util_format_description(prsc->format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
switch (prsc->format) {
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_LATC1_UNORM:
case PIPE_FORMAT_LATC1_SNORM:
util_format_rgtc1_unorm_pack_rgba_8unorm(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_RGTC2_SNORM:
case PIPE_FORMAT_LATC2_UNORM:
case PIPE_FORMAT_LATC2_SNORM:
util_format_rgtc2_unorm_pack_rgba_8unorm(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
break;
default:
assert(!"Unexpected format");
break;
}
} else {
unreachable("bleh");
}
*pptrans = ptrans;
return trans->staging;
fail:
if (trans->trans)
helper->vtbl->transfer_unmap(pctx, trans->trans);
if (trans->trans2)
helper->vtbl->transfer_unmap(pctx, trans->trans2);
pipe_resource_reference(&ptrans->resource, NULL);
free(trans->staging);
free(trans);
return NULL;
}
static void
flush_region(struct pipe_context *pctx, struct pipe_transfer *ptrans,
const struct pipe_box *box)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
struct u_transfer *trans = u_transfer(ptrans);
enum pipe_format iformat, format = ptrans->resource->format;
unsigned width = box->width;
unsigned height = box->height;
void *src, *dst;
if (!(ptrans->usage & PIPE_TRANSFER_WRITE))
return;
if (trans->ss) {
struct pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = trans->ss;
blit.src.format = trans->ss->format;
blit.src.box = *box;
blit.dst.resource = ptrans->resource;
blit.dst.format = ptrans->resource->format;
blit.dst.level = ptrans->level;
u_box_2d(ptrans->box.x + box->x,
ptrans->box.y + box->y,
box->width, box->height,
&blit.dst.box);
blit.mask = util_format_get_mask(ptrans->resource->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pctx->blit(pctx, &blit);
return;
}
iformat = helper->vtbl->get_internal_format(ptrans->resource);
src = (uint8_t *)trans->staging +
(box->y * ptrans->stride) +
(box->x * util_format_get_blocksize(format));
dst = (uint8_t *)trans->ptr +
(box->y * trans->trans->stride) +
(box->x * util_format_get_blocksize(iformat));
switch (format) {
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
util_format_z32_float_s8x24_uint_unpack_z_float(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
/* fallthru */
case PIPE_FORMAT_X32_S8X24_UINT:
dst = (uint8_t *)trans->ptr2 +
(box->y * trans->trans2->stride) +
(box->x * util_format_get_blocksize(PIPE_FORMAT_S8_UINT));
util_format_z32_float_s8x24_uint_unpack_s_8uint(dst,
trans->trans2->stride,
src,
ptrans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_LATC1_UNORM:
case PIPE_FORMAT_LATC1_SNORM:
util_format_rgtc1_unorm_unpack_rgba_8unorm(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_RGTC2_SNORM:
case PIPE_FORMAT_LATC2_UNORM:
case PIPE_FORMAT_LATC2_SNORM:
util_format_rgtc2_unorm_unpack_rgba_8unorm(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
break;
default:
assert(!"Unexpected staging transfer type");
break;
}
}
void
u_transfer_helper_transfer_flush_region(struct pipe_context *pctx,
struct pipe_transfer *ptrans,
const struct pipe_box *box)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
if (handle_transfer(ptrans->resource)) {
struct u_transfer *trans = u_transfer(ptrans);
flush_region(pctx, ptrans, box);
/* handle MSAA case, since there could be multiple levels of
* wrapped transfer, call pctx->transfer_flush_region()
* instead of helper->vtbl->transfer_flush_region()
*/
if (trans->ss) {
pctx->transfer_flush_region(pctx, trans->trans, box);
return;
}
helper->vtbl->transfer_flush_region(pctx, trans->trans, box);
if (trans->trans2)
helper->vtbl->transfer_flush_region(pctx, trans->trans2, box);
} else {
helper->vtbl->transfer_flush_region(pctx, ptrans, box);
}
}
void
u_transfer_helper_transfer_unmap(struct pipe_context *pctx,
struct pipe_transfer *ptrans)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
if (handle_transfer(ptrans->resource)) {
struct u_transfer *trans = u_transfer(ptrans);
if (!(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
struct pipe_box box;
u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
flush_region(pctx, ptrans, &box);
}
/* in MSAA case, there could be multiple levels of wrapping
* so don't call helper->vtbl->transfer_unmap() directly
*/
if (trans->ss) {
pctx->transfer_unmap(pctx, trans->trans);
pipe_resource_reference(&trans->ss, NULL);
} else {
helper->vtbl->transfer_unmap(pctx, trans->trans);
if (trans->trans2)
helper->vtbl->transfer_unmap(pctx, trans->trans2);
}
free(trans);
} else {
helper->vtbl->transfer_unmap(pctx, ptrans);
}
}
struct u_transfer_helper *
u_transfer_helper_create(const struct u_transfer_vtbl *vtbl,
bool separate_z32s8,
bool fake_rgtc,
bool msaa_map)
{
struct u_transfer_helper *helper = calloc(1, sizeof(*helper));
helper->vtbl = vtbl;
helper->separate_z32s8 = separate_z32s8;
helper->fake_rgtc = fake_rgtc;
helper->msaa_map = msaa_map;
return helper;
}
void
u_transfer_helper_destroy(struct u_transfer_helper *helper)
{
free(helper);
}
