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llvmpipe: align display target size to multiple of tile size

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This will allow us to skip clipping tiles to surface bounds.
This commit is contained in:
Brian Paul 2010-01-20 17:44:12 -07:00
parent 58903b3781
commit 0706dae088
1 changed files with 13 additions and 7 deletions
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20
src/gallium/drivers/llvmpipe/lp_texture.c
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@ -40,9 +40,10 @@
#include "util/u_memory.h"
#include "lp_context.h"
#include "lp_screen.h"
#include "lp_state.h"
#include "lp_texture.h"
#include "lp_screen.h"
#include "lp_tile_size.h"
#include "lp_winsys.h"
@ -67,8 +68,8 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
/* Allocate storage for whole quads. This is particularly important
* for depth surfaces, which are currently stored in a swizzled format.
*/
nblocksx = util_format_get_nblocksx(pt->format, align(width, 2));
nblocksy = util_format_get_nblocksy(pt->format, align(height, 2));
nblocksx = util_format_get_nblocksx(pt->format, align(width, TILE_SIZE));
nblocksy = util_format_get_nblocksy(pt->format, align(height, TILE_SIZE));
lpt->stride[level] = align(nblocksx * util_format_get_blocksize(pt->format), 16);
@ -96,10 +97,15 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
{
struct llvmpipe_winsys *winsys = screen->winsys;
/* Round up the surface size to a multiple of the tile size to
* avoid tile clipping.
*/
unsigned width = align(lpt->base.width0, TILE_SIZE);
unsigned height = align(lpt->base.height0, TILE_SIZE);
lpt->dt = winsys->displaytarget_create(winsys,
lpt->base.format,
lpt->base.width0,
lpt->base.height0,
width, height,
16,
&lpt->stride[0] );
@ -299,8 +305,8 @@ llvmpipe_get_tex_transfer(struct pipe_screen *screen,
pipe_texture_reference(&pt->texture, texture);
pt->x = x;
pt->y = y;
pt->width = w;
pt->height = h;
pt->width = align(w, TILE_SIZE);
pt->height = align(h, TILE_SIZE);
pt->stride = lptex->stride[level];
pt->usage = usage;
pt->face = face;