fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-19 16:40:36 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

r300: minor accelerated blit fixes

Browse source
This commit is contained in:
Maciej Cencora 2010-01-09 19:46:09 +01:00
parent cf1748053a
commit 0b7b76fb16
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/mesa/drivers/dri/r300/r300_blit.c
View file

@ -543,6 +543,16 @@ GLboolean r300_blit(struct r300_context *r300,
if (_mesa_get_format_bits(src_mesaformat, GL_DEPTH_BITS) > 0)
return GL_FALSE;
/* Make sure that colorbuffer has even width - hw limitation */
if (dst_pitch % 2 > 0)
++dst_pitch;
/* Rendering to small buffer doesn't work.
* Looks like a hw limitation.
*/
if (dst_pitch < 32)
return GL_FALSE;
/* Need to clamp the region size to make sure
* we don't read outside of the source buffer
* or write outside of the destination buffer.
@ -564,7 +574,7 @@ GLboolean r300_blit(struct r300_context *r300,
fprintf(stderr, "src: size [%d x %d], pitch %d, "
"offset [%d x %d], format %s, bo %p\n",
src_width, src_height, src_pitch,
src_offset, src_y_offset,
src_x_offset, src_y_offset,
_mesa_get_format_name(src_mesaformat),
src_bo);
fprintf(stderr, "dst: pitch %d, offset[%d x %d], format %s, bo %p\n",
@ -573,6 +583,9 @@ GLboolean r300_blit(struct r300_context *r300,
fprintf(stderr, "region: %d x %d\n", reg_width, reg_height);
}
/* Flush is needed to make sure that source buffer has correct data */
radeonFlush(r300->radeon.glCtx);
if (!validate_buffers(r300, src_bo, dst_bo))
return GL_FALSE;