/**
* Fallback for pipe->clear_render_target() function.
* XXX this looks too hackish to be really useful.
* cpp > 4 looks like a gross hack at best...
* Plus can't use these transfer fallbacks when clearing
* multisampled surfaces for instance.
*/
void
util_clear_render_target(struct pipe_context *pipe,
struct pipe_surface *dst,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct pipe_transfer *dst_trans;
void *dst_map;
union util_color uc;
assert(dst->texture);
if (!dst->texture)
return;
/* XXX: should handle multiple layers */
dst_map = pipe_transfer_map(pipe,
dst->texture,
dst->u.tex.level,
dst->u.tex.first_layer,
PIPE_TRANSFER_WRITE,
dstx, dsty, width, height, &dst_trans);
assert(dst_map);
if (dst_map) {
assert(dst_trans->stride > 0);
util_pack_color(color->f, dst->texture->format, &uc);
util_fill_rect(dst_map, dst->texture->format,
dst_trans->stride,
0, 0, width, height, &uc);
pipe->transfer_unmap(pipe, dst_trans);
}
}
/**
* Flush the tile cache: write all dirty tiles back to the transfer.
* any tiles "flagged" as cleared will be "really" cleared.
*/
void
lp_flush_tile_cache(struct llvmpipe_tile_cache *tc)
{
struct pipe_transfer *pt = tc->transfer;
unsigned x, y;
if(!pt)
return;
assert(tc->transfer_map);
/* push the tile to all positions marked as clear */
for (y = 0; y < pt->height; y += TILE_SIZE) {
for (x = 0; x < pt->width; x += TILE_SIZE) {
struct llvmpipe_cached_tile *tile = &tc->entries[y/TILE_SIZE][x/TILE_SIZE];
if(tile->status != LP_TILE_STATUS_UNDEFINED) {
unsigned w = TILE_SIZE;
unsigned h = TILE_SIZE;
if (!pipe_clip_tile(x, y, &w, &h, pt)) {
switch(tile->status) {
case LP_TILE_STATUS_CLEAR:
/* Actually clear the tiles which were flagged as being in a
* clear state. */
util_fill_rect(tc->transfer_map, &pt->block, pt->stride,
x, y, w, h,
tc->clear_val);
break;
case LP_TILE_STATUS_DEFINED:
lp_tile_write_4ub(pt->format,
tile->color,
tc->transfer_map, pt->stride,
x, y, w, h);
break;
default:
assert(0);
break;
}
}
tile->status = LP_TILE_STATUS_UNDEFINED;
}
}
}
}
PUBLIC
Status XvMCClearSubpicture(Display *dpy, XvMCSubpicture *subpicture, short x, short y,
unsigned short width, unsigned short height, unsigned int color)
{
XvMCSubpicturePrivate *subpicture_priv;
XvMCContextPrivate *context_priv;
struct pipe_context *pipe;
struct pipe_sampler_view *dst;
struct pipe_box dst_box = {x, y, 0, width, height, 1};
struct pipe_transfer *transfer;
union util_color uc;
void *map;
assert(dpy);
if (!subpicture)
return XvMCBadSubpicture;
/* Convert color to float */
util_format_read_4f(PIPE_FORMAT_B8G8R8A8_UNORM,
uc.f, 1, &color, 4,
0, 0, 1, 1);
subpicture_priv = subpicture->privData;
context_priv = subpicture_priv->context->privData;
pipe = context_priv->pipe;
dst = subpicture_priv->sampler;
/* TODO: Assert clear rect is within bounds? Or clip? */
transfer = pipe->get_transfer(pipe, dst->texture, 0, PIPE_TRANSFER_WRITE, &dst_box);
if (!transfer)
return XvMCBadSubpicture;
map = pipe->transfer_map(pipe, transfer);
if (map) {
util_fill_rect(map, dst->texture->format, transfer->stride, 0, 0,
dst_box.width, dst_box.height, &uc);
pipe->transfer_unmap(pipe, transfer);
}
pipe->transfer_destroy(pipe, transfer);
return Success;
}
void
util_fill_box(ubyte * dst,
enum pipe_format format,
unsigned stride,
unsigned layer_stride,
unsigned x,
unsigned y,
unsigned z,
unsigned width,
unsigned height,
unsigned depth,
union util_color *uc)
{
unsigned layer;
dst += z * layer_stride;
for (layer = z; layer < depth; layer++) {
util_fill_rect(dst, format,
stride,
x, y, width, height, uc);
dst += layer_stride;
}
}
/**
* Fallback for pipe->clear_render_target() function.
* XXX this looks too hackish to be really useful.
* cpp > 4 looks like a gross hack at best...
* Plus can't use these transfer fallbacks when clearing
* multisampled surfaces for instance.
*/
void
util_clear_render_target(struct pipe_context *pipe,
struct pipe_surface *dst,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct pipe_transfer *dst_trans;
void *dst_map;
union util_color uc;
assert(dst->texture);
if (!dst->texture)
return;
if (dst->texture->target == PIPE_BUFFER) {
/*
* The fill naturally works on the surface format, however
* the transfer uses resource format which is just bytes for buffers.
*/
unsigned dx, w;
unsigned pixstride = util_format_get_blocksize(dst->format);
dx = (dst->u.buf.first_element + dstx) * pixstride;
w = width * pixstride;
dst_map = pipe_transfer_map(pipe,
dst->texture,
0, 0,
PIPE_TRANSFER_WRITE,
dx, 0, w, 1,
&dst_trans);
}
else {
/* XXX: should handle multiple layers */
dst_map = pipe_transfer_map(pipe,
dst->texture,
dst->u.tex.level,
dst->u.tex.first_layer,
PIPE_TRANSFER_WRITE,
dstx, dsty, width, height, &dst_trans);
}
assert(dst_map);
if (dst_map) {
enum pipe_format format = dst->format;
assert(dst_trans->stride > 0);
if (util_format_is_pure_integer(format)) {
/*
* We expect int/uint clear values here, though some APIs
* might disagree (but in any case util_pack_color()
* couldn't handle it)...
*/
if (util_format_is_pure_sint(format)) {
util_format_write_4i(format, color->i, 0, &uc, 0, 0, 0, 1, 1);
}
else {
assert(util_format_is_pure_uint(format));
util_format_write_4ui(format, color->ui, 0, &uc, 0, 0, 0, 1, 1);
}
}
else {
util_pack_color(color->f, dst->format, &uc);
}
util_fill_rect(dst_map, dst->format,
dst_trans->stride,
0, 0, width, height, &uc);
pipe->transfer_unmap(pipe, dst_trans);
}
}
/**
* Fallback for pipe->surface_fill() function.
* XXX should probably put this in new u_surface.c file...
*/
void
util_surface_fill(struct pipe_context *pipe,
struct pipe_surface *dst,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height, unsigned value)
{
struct pipe_screen *screen = pipe->screen;
struct pipe_transfer *dst_trans;
void *dst_map;
assert(dst->texture);
if (!dst->texture)
return;
dst_trans = screen->get_tex_transfer(screen,
dst->texture,
dst->face,
dst->level,
dst->zslice,
PIPE_TRANSFER_WRITE,
dstx, dsty, width, height);
dst_map = pipe->screen->transfer_map(screen, dst_trans);
assert(dst_map);
if (dst_map) {
assert(dst_trans->stride > 0);
switch (util_format_get_blocksize(dst_trans->texture->format)) {
case 1:
case 2:
case 4:
util_fill_rect(dst_map, dst_trans->texture->format, dst_trans->stride,
0, 0, width, height, value);
break;
case 8:
{
/* expand the 4-byte clear value to an 8-byte value */
ushort *row = (ushort *) dst_map;
ushort val0 = UBYTE_TO_USHORT((value >> 0) & 0xff);
ushort val1 = UBYTE_TO_USHORT((value >> 8) & 0xff);
ushort val2 = UBYTE_TO_USHORT((value >> 16) & 0xff);
ushort val3 = UBYTE_TO_USHORT((value >> 24) & 0xff);
unsigned i, j;
val0 = (val0 << 8) | val0;
val1 = (val1 << 8) | val1;
val2 = (val2 << 8) | val2;
val3 = (val3 << 8) | val3;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
row[j*4+0] = val0;
row[j*4+1] = val1;
row[j*4+2] = val2;
row[j*4+3] = val3;
}
row += dst_trans->stride/2;
}
}
break;
default:
assert(0);
break;
}
}
pipe->screen->transfer_unmap(pipe->screen, dst_trans);
screen->tex_transfer_destroy(dst_trans);
}
/**
* Clear the rasterizer's current color tile.
* This is a bin command called during bin processing.
*/
static void
lp_rast_clear_color(struct lp_rasterizer_task *task,
const union lp_rast_cmd_arg arg)
{
const struct lp_scene *scene = task->scene;
if (scene->fb.nr_cbufs) {
unsigned i;
union util_color uc;
if (util_format_is_pure_integer(scene->fb.cbufs[0]->format)) {
/*
* We expect int/uint clear values here, though some APIs
* might disagree (but in any case util_pack_color()
* couldn't handle it)...
*/
LP_DBG(DEBUG_RAST, "%s pure int 0x%x,0x%x,0x%x,0x%x\n", __FUNCTION__,
arg.clear_color.ui[0],
arg.clear_color.ui[1],
arg.clear_color.ui[2],
arg.clear_color.ui[3]);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
enum pipe_format format = scene->fb.cbufs[i]->format;
if (util_format_is_pure_sint(format)) {
util_format_write_4i(format, arg.clear_color.i, 0, &uc, 0, 0, 0, 1, 1);
}
else {
assert(util_format_is_pure_uint(format));
util_format_write_4ui(format, arg.clear_color.ui, 0, &uc, 0, 0, 0, 1, 1);
}
util_fill_rect(scene->cbufs[i].map,
scene->fb.cbufs[i]->format,
scene->cbufs[i].stride,
task->x,
task->y,
TILE_SIZE,
TILE_SIZE,
&uc);
}
}
else {
uint8_t clear_color[4];
for (i = 0; i < 4; ++i) {
clear_color[i] = float_to_ubyte(arg.clear_color.f[i]);
}
LP_DBG(DEBUG_RAST, "%s 0x%x,0x%x,0x%x,0x%x\n", __FUNCTION__,
clear_color[0],
clear_color[1],
clear_color[2],
clear_color[3]);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
util_pack_color(arg.clear_color.f,
scene->fb.cbufs[i]->format, &uc);
util_fill_rect(scene->cbufs[i].map,
scene->fb.cbufs[i]->format,
scene->cbufs[i].stride,
task->x,
task->y,
TILE_SIZE,
TILE_SIZE,
&uc);
}
}
}
LP_COUNT(nr_color_tile_clear);
}
