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gallium: fix clipping/stride bugs in pipe_get_tile_raw(), pipe_put_tile_raw()

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We need to compute the default dst_stride and src_stride _before_ clipping.
After clipping, the width value may have changed.
This fixes visible tile glitches in some demos like progs/glsl/texdemo.c
This commit is contained in:
Brian Paul 2008-08-06 19:15:10 -06:00
parent be66a8f431
commit a56ccb90c6
1 changed files with 6 additions and 6 deletions
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12
src/gallium/auxiliary/util/p_tile.c
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@ -51,12 +51,12 @@ pipe_get_tile_raw(struct pipe_surface *ps,
{
const void *src;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
if (dst_stride == 0)
dst_stride = pf_get_nblocksx(&ps->block, w) * ps->block.size;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
src = pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_READ);
assert(src);
if(!src)
@ -79,12 +79,12 @@ pipe_put_tile_raw(struct pipe_surface *ps,
{
void *dst;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
if (src_stride == 0)
src_stride = pf_get_nblocksx(&ps->block, w) * ps->block.size;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
dst = pipe_surface_map(ps, PIPE_BUFFER_USAGE_CPU_WRITE);
assert(dst);
if(!dst)