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r300g: enforce microtiled zbuffer from X server

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This should be relatively safe, I think.
This commit is contained in:
Marek Olšák 2010-04-05 19:39:55 +02:00
parent a1f85cf689
commit b05ada76a5
1 changed files with 31 additions and 0 deletions
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31
src/gallium/drivers/r300/r300_texture.c
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@ -879,6 +879,7 @@ static struct pipe_texture*
struct r300_winsys_buffer *buffer;
struct r300_texture* tex;
unsigned stride;
boolean override_zb_flags;
/* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
@ -908,8 +909,38 @@ static struct pipe_texture*
rws->buffer_get_tiling(rws, buffer, &tex->microtile, &tex->macrotile);
r300_setup_flags(tex);
/* Enforce microtiled zbuffer. */
override_zb_flags = util_format_is_depth_or_stencil(base->format) &&
tex->microtile == R300_BUFFER_LINEAR;
if (override_zb_flags) {
switch (util_format_get_blocksize(base->format)) {
case 4:
tex->microtile = R300_BUFFER_TILED;
break;
case 2:
if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT)) {
tex->microtile = R300_BUFFER_SQUARETILED;
break;
}
/* Pass through. */
default:
override_zb_flags = FALSE;
}
}
r300_setup_miptree(rscreen, tex);
r300_setup_texture_state(rscreen, tex);
if (override_zb_flags) {
rws->buffer_set_tiling(rws, tex->buffer,
tex->pitch[0],
tex->microtile,
tex->macrotile);
}
return (struct pipe_texture*)tex;
}