diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_tile.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_tile.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_tile.c b/src/mesa/drivers/dri/radeon/radeon_tile.c index 56f2fc46d9..b998baf0a2 100644 --- a/src/mesa/drivers/dri/radeon/radeon_tile.c +++ b/src/mesa/drivers/dri/radeon/radeon_tile.c @@ -243,4 +243,42 @@ void tile_image(const void * src, unsigned src_pitch, assert(0); break; } -}
\ No newline at end of file +} + +void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height) +{ + switch (_mesa_get_format_bytes(format)) + { + case 16: + *block_width = 1; + *block_height = 1; + break; + case 8: + *block_width = 2; + *block_height = 2; + break; + case 4: + *block_width = 4; + *block_height = 2; + break; + case 2: + if (_mesa_get_format_bits(format, GL_DEPTH_BITS)) + { + *block_width = 4; + *block_height = 4; + } + else + { + *block_width = 8; + *block_height = 2; + } + break; + case 1: + *block_width = 8; + *block_height = 4; + break; + default: + assert(0); + break; + } +} |