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llvmpipe: clean-up lp_surface_copy()

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Remove unreachable code, etc from previous revisions.
This commit is contained in:
Brian Paul
2010-04-16 13:07:15 -06:00
parent 1c4415ddf4
commit 1a44ec5e36
1 changed files with 65 additions and 75 deletions
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140
src/gallium/drivers/llvmpipe/lp_surface.c
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@@ -56,6 +56,10 @@ lp_surface_copy(struct pipe_context *pipe,
struct pipe_surface *src, unsigned srcx, unsigned srcy,
unsigned width, unsigned height)
{
struct llvmpipe_resource *src_tex = llvmpipe_resource(src->texture);
struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst->texture);
const enum pipe_format format = src_tex->base.format;
llvmpipe_flush_texture(pipe,
dst->texture, dst->face, dst->level,
0, /* flush_flags */
@@ -70,91 +74,77 @@ lp_surface_copy(struct pipe_context *pipe,
FALSE, /* cpu_access */
FALSE); /* do_not_flush */
/* Look for special case in which we're copying from a tiled image
* to a linear image.
*/
/*
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 */
{
struct llvmpipe_resource *src_tex = llvmpipe_resource(src->texture);
struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst->texture);
enum pipe_format format = src_tex->base.format;
unsigned tx, ty, tw, th;
unsigned x, y;
/*
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);
*/
adjust_to_tile_bounds(srcx, srcy, width, height, &tx, &ty, &tw, &th);
/* 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,
src->face, src->level,
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->face, src->level,
LP_TEX_USAGE_READ,
tx + x, ty + y);
}
tx + x, ty + y);
}
}
/* set dst tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
enum lp_texture_usage usage;
/* XXX for the tiles which are completely contained by the
* dest rectangle, we could set the usage mode to WRITE_ALL.
* Just test for the case of replacing the whole dest region for now.
*/
if (width == dst_tex->base.width0 && height == dst_tex->base.height0)
usage = LP_TEX_USAGE_WRITE_ALL;
else
usage = LP_TEX_USAGE_READ_WRITE;
adjust_to_tile_bounds(dstx, dsty, 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(dst_tex,
dst->face, dst->level,
usage,
tx + x, ty + y);
}
}
}
/* copy */
{
const ubyte *src_linear_ptr
= llvmpipe_get_texture_image_address(src_tex, src->face,
src->level,
LP_TEX_LAYOUT_LINEAR);
ubyte *dst_linear_ptr
= llvmpipe_get_texture_image_address(dst_tex, dst->face,
dst->level,
LP_TEX_LAYOUT_LINEAR);
util_copy_rect(dst_linear_ptr, format,
dst_tex->stride[dst->level],
dstx, dsty,
width, height,
src_linear_ptr, src_tex->stride[src->level],
srcx, srcy);
}
return;
}
util_surface_copy(pipe, FALSE,
dst, dstx, dsty,
src, srcx, srcy,
width, height);
/* set dst tiles to linear layout */
{
unsigned tx, ty, tw, th;
unsigned x, y;
enum lp_texture_usage usage;
/* XXX for the tiles which are completely contained by the
* dest rectangle, we could set the usage mode to WRITE_ALL.
* Just test for the case of replacing the whole dest region for now.
*/
if (width == dst_tex->base.width0 && height == dst_tex->base.height0)
usage = LP_TEX_USAGE_WRITE_ALL;
else
usage = LP_TEX_USAGE_READ_WRITE;
adjust_to_tile_bounds(dstx, dsty, 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(dst_tex,
dst->face, dst->level,
usage,
tx + x, ty + y);
}
}
}
/* copy */
{
const ubyte *src_linear_ptr
= llvmpipe_get_texture_image_address(src_tex, src->face,
src->level,
LP_TEX_LAYOUT_LINEAR);
ubyte *dst_linear_ptr
= llvmpipe_get_texture_image_address(dst_tex, dst->face,
dst->level,
LP_TEX_LAYOUT_LINEAR);
util_copy_rect(dst_linear_ptr, format,
dst_tex->stride[dst->level],
dstx, dsty,
width, height,
src_linear_ptr, src_tex->stride[src->level],
srcx, srcy);
}
}
void
lp_init_surface_functions(struct llvmpipe_context *lp)
{