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st/xorg: speculatively round textures up to nearest POT

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I'm not sure if this is a great change, but helps with caching.
Probably we want to turn this on/off on a driver-by-driver basis.
This commit is contained in:
Keith Whitwell 2009-11-27 12:24:42 +00:00
parent e595dd4c17
commit cf3cdda5cc
1 changed files with 18 additions and 0 deletions
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18
src/gallium/state_trackers/xorg/xorg_exa.c
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@ -44,6 +44,8 @@
#include "pipe/p_inlines.h"
#include "util/u_rect.h"
#include "util/u_math.h"
#include "util/u_debug.h"
#define DEBUG_PRINT 0
@ -831,6 +833,17 @@ ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
if (!priv || pPixData)
return FALSE;
if (0) {
debug_printf("%s pixmap %p sz %dx%dx%d devKind %d\n",
__FUNCTION__, pPixmap, width, height, bitsPerPixel, devKind);
if (priv->tex)
debug_printf(" ==> old texture %dx%d\n",
priv->tex->width[0],
priv->tex->height[0]);
}
if (depth <= 0)
depth = pPixmap->drawable.depth;
@ -862,8 +875,13 @@ ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
template.target = PIPE_TEXTURE_2D;
exa_get_pipe_format(depth, &template.format, &bitsPerPixel, &priv->picture_format);
pf_get_block(template.format, &template.block);
#if 1
template.width[0] = util_next_power_of_two(width);
template.height[0] = util_next_power_of_two(height);
#else
template.width[0] = width;
template.height[0] = height;
#endif
template.depth[0] = 1;
template.last_level = 0;
template.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET | priv->flags;