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r600g: start adding hooks for aligning width/height for tiles.

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This commit is contained in:
Dave Airlie 2010-10-21 13:27:07 +10:00
parent ea5aab85fd
commit 388ce31baa
1 changed files with 26 additions and 4 deletions
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30
src/gallium/drivers/r600/r600_texture.c
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@ -92,6 +92,19 @@ static unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
}
}
static unsigned r600_get_pixel_alignment(struct pipe_screen *screen,
enum pipe_format format,
unsigned array_mode)
{
return 64;
}
static unsigned r600_get_height_alignment(struct pipe_screen *screen,
unsigned array_mode)
{
return 1;
}
static unsigned mip_minify(unsigned size, unsigned level)
{
unsigned val;
@ -108,14 +121,18 @@ static unsigned r600_texture_get_stride(struct pipe_screen *screen,
struct pipe_resource *ptex = &rtex->resource.base.b;
struct radeon *radeon = (struct radeon *)screen->winsys;
enum chip_class chipc = r600_get_family_class(radeon);
unsigned width, stride;
unsigned width, stride, tile_width;
if (rtex->pitch_override)
return rtex->pitch_override;
width = mip_minify(ptex->width0, level);
stride = util_format_get_stride(ptex->format, align(width, 64));
if (util_format_is_plain(ptex->format)) {
tile_width = r600_get_pixel_alignment(screen, ptex->format,
rtex->array_mode[level]);
width = align(width, tile_width);
}
stride = util_format_get_stride(ptex->format, width);
if (chipc == EVERGREEN)
stride = align(stride, 512);
else
@ -128,9 +145,14 @@ static unsigned r600_texture_get_nblocksy(struct pipe_screen *screen,
unsigned level)
{
struct pipe_resource *ptex = &rtex->resource.base.b;
unsigned height;
unsigned height, tile_height;
height = mip_minify(ptex->height0, level);
if (util_format_is_plain(ptex->format)) {
tile_height = r600_get_height_alignment(screen,
rtex->array_mode[level]);
height = align(height, tile_height);
}
return util_format_get_nblocksy(ptex->format, height);
}