void
lp_scene_begin_rasterization(struct lp_scene *scene)
{
const struct pipe_framebuffer_state *fb = &scene->fb;
int i;
//LP_DBG(DEBUG_RAST, "%s\n", __FUNCTION__);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
struct pipe_surface *cbuf = scene->fb.cbufs[i];
scene->cbufs[i].stride = llvmpipe_resource_stride(cbuf->texture,
cbuf->level);
scene->cbufs[i].map = llvmpipe_resource_map(cbuf->texture,
cbuf->face,
cbuf->level,
cbuf->zslice,
LP_TEX_USAGE_READ_WRITE,
LP_TEX_LAYOUT_LINEAR);
}
if (fb->zsbuf) {
struct pipe_surface *zsbuf = scene->fb.zsbuf;
scene->zsbuf.stride = llvmpipe_resource_stride(zsbuf->texture, zsbuf->level);
scene->zsbuf.blocksize =
util_format_get_blocksize(zsbuf->texture->format);
scene->zsbuf.map = llvmpipe_resource_map(zsbuf->texture,
zsbuf->face,
zsbuf->level,
zsbuf->zslice,
LP_TEX_USAGE_READ_WRITE,
LP_TEX_LAYOUT_NONE);
}
}
void
lp_scene_begin_rasterization(struct lp_scene *scene)
{
const struct pipe_framebuffer_state *fb = &scene->fb;
int i;
//LP_DBG(DEBUG_RAST, "%s\n", __FUNCTION__);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
struct pipe_surface *cbuf = scene->fb.cbufs[i];
if (llvmpipe_resource_is_texture(cbuf->texture)) {
assert(cbuf->u.tex.first_layer == cbuf->u.tex.last_layer);
scene->cbufs[i].stride = llvmpipe_resource_stride(cbuf->texture,
cbuf->u.tex.level);
scene->cbufs[i].map = llvmpipe_resource_map(cbuf->texture,
cbuf->u.tex.level,
cbuf->u.tex.first_layer,
LP_TEX_USAGE_READ_WRITE,
LP_TEX_LAYOUT_LINEAR);
}
else {
struct llvmpipe_resource *lpr = llvmpipe_resource(cbuf->texture);
unsigned pixstride = util_format_get_blocksize(cbuf->format);
scene->cbufs[i].stride = cbuf->texture->width0;
scene->cbufs[i].map = lpr->data;
scene->cbufs[i].map += cbuf->u.buf.first_element * pixstride;
}
}
if (fb->zsbuf) {
struct pipe_surface *zsbuf = scene->fb.zsbuf;
assert(zsbuf->u.tex.first_layer == zsbuf->u.tex.last_layer);
scene->zsbuf.stride = llvmpipe_resource_stride(zsbuf->texture, zsbuf->u.tex.level);
scene->zsbuf.blocksize =
util_format_get_blocksize(zsbuf->texture->format);
scene->zsbuf.map = llvmpipe_resource_map(zsbuf->texture,
zsbuf->u.tex.level,
zsbuf->u.tex.first_layer,
LP_TEX_USAGE_READ_WRITE,
LP_TEX_LAYOUT_NONE);
}
}
static void
lp_resource_copy(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)
{
/* XXX this used to ignore srcz/dstz
* assume it works the same for cube and 3d
*/
struct llvmpipe_resource *src_tex = llvmpipe_resource(src);
struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst);
const enum pipe_format format = src_tex->base.format;
unsigned width = src_box->width;
unsigned height = src_box->height;
assert(src_box->depth == 1);
/* Fallback for buffers. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
return;
}
llvmpipe_flush_resource(pipe,
dst, dst_level, dstz,
FALSE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit dest");
llvmpipe_flush_resource(pipe,
src, src_level, src_box->z,
TRUE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit src");
/*
printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n",
src_tex->id, src_level, dst_tex->id, dst_level,
src_box->x, src_box->y, src_box->z, dstx, dsty, dstz,
src_box->width, src_box->height, src_box->depth);
*/
/* set src tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
adjust_to_tile_bounds(src_box->x, src_box->y, width, height,
&tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
for (x = 0; x < tw; x += TILE_SIZE) {
(void) llvmpipe_get_texture_tile_linear(src_tex,
src_box->z, src_level,
LP_TEX_USAGE_READ,
tx + x, ty + y);
}
}
}
/* set dst tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
enum lp_texture_usage usage;
adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
boolean contained_y = ty + y >= dsty &&
ty + y + TILE_SIZE <= dsty + height ?
TRUE : FALSE;
for (x = 0; x < tw; x += TILE_SIZE) {
boolean contained_x = tx + x >= dstx &&
tx + x + TILE_SIZE <= dstx + width ?
TRUE : FALSE;
/*
* Set the usage mode to WRITE_ALL for the tiles which are
* completely contained by the dest rectangle.
*/
if (contained_y && contained_x)
usage = LP_TEX_USAGE_WRITE_ALL;
else
usage = LP_TEX_USAGE_READ_WRITE;
(void) llvmpipe_get_texture_tile_linear(dst_tex,
dstz, dst_level,
usage,
tx + x, ty + y);
}
}
}
/* copy */
{
const ubyte *src_linear_ptr
= llvmpipe_get_texture_image_address(src_tex, src_box->z,
src_level,
LP_TEX_LAYOUT_LINEAR);
ubyte *dst_linear_ptr
= llvmpipe_get_texture_image_address(dst_tex, dstz,
dst_level,
LP_TEX_LAYOUT_LINEAR);
if (dst_linear_ptr && src_linear_ptr) {
util_copy_rect(dst_linear_ptr, format,
llvmpipe_resource_stride(&dst_tex->base, dst_level),
dstx, dsty,
width, height,
src_linear_ptr,
llvmpipe_resource_stride(&src_tex->base, src_level),
src_box->x, src_box->y);
}
}
}
static void
lp_resource_copy(struct pipe_context *pipe,
struct pipe_resource *dst, struct pipe_subresource subdst,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src, struct pipe_subresource subsrc,
unsigned srcx, unsigned srcy, unsigned srcz,
unsigned width, unsigned height)
{
/* XXX what about the dstz/srcz parameters - zslice wasn't used... */
struct llvmpipe_resource *src_tex = llvmpipe_resource(src);
struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst);
const enum pipe_format format = src_tex->base.format;
llvmpipe_flush_resource(pipe,
dst, subdst.face, subdst.level,
0, /* flush_flags */
FALSE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit dest");
llvmpipe_flush_resource(pipe,
src, subsrc.face, subsrc.level,
0, /* flush_flags */
TRUE, /* read_only */
TRUE, /* cpu_access */
FALSE, /* do_not_block */
"blit src");
/*
printf("surface copy from %u to %u: %u,%u to %u,%u %u x %u\n",
src_tex->id, dst_tex->id,
srcx, srcy, dstx, dsty, width, height);
*/
/* set src tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
adjust_to_tile_bounds(srcx, srcy, width, height, &tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
for (x = 0; x < tw; x += TILE_SIZE) {
(void) llvmpipe_get_texture_tile_linear(src_tex,
subsrc.face, subsrc.level,
LP_TEX_USAGE_READ,
tx + x, ty + y);
}
}
}
/* set dst tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
enum lp_texture_usage usage;
adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th);
for (y = 0; y < th; y += TILE_SIZE) {
boolean contained_y = ty + y >= dsty &&
ty + y + TILE_SIZE <= dsty + height ?
TRUE : FALSE;
for (x = 0; x < tw; x += TILE_SIZE) {
boolean contained_x = tx + x >= dstx &&
tx + x + TILE_SIZE <= dstx + width ?
TRUE : FALSE;
/*
* Set the usage mode to WRITE_ALL for the tiles which are
* completely contained by the dest rectangle.
*/
if (contained_y && contained_x)
usage = LP_TEX_USAGE_WRITE_ALL;
else
usage = LP_TEX_USAGE_READ_WRITE;
(void) llvmpipe_get_texture_tile_linear(dst_tex,
subdst.face, subdst.level,
usage,
tx + x, ty + y);
}
}
}
/* copy */
{
const ubyte *src_linear_ptr
= llvmpipe_get_texture_image_address(src_tex, subsrc.face,
subsrc.level,
LP_TEX_LAYOUT_LINEAR);
ubyte *dst_linear_ptr
= llvmpipe_get_texture_image_address(dst_tex, subdst.face,
subdst.level,
LP_TEX_LAYOUT_LINEAR);
if (dst_linear_ptr && src_linear_ptr) {
util_copy_rect(dst_linear_ptr, format,
llvmpipe_resource_stride(&dst_tex->base, subdst.level),
dstx, dsty,
width, height,
src_linear_ptr,
llvmpipe_resource_stride(&src_tex->base, subsrc.level),
srcx, srcy);
}
}
}
