From 5db285b742c9e38ff110c72ab45ed1f6a9200c8d Mon Sep 17 00:00:00 2001 From: Jakob Bornecrantz Date: Sat, 17 Apr 2010 23:43:41 +0100 Subject: i915g: Remove broken power of two function --- src/gallium/drivers/i915/i915_resource_texture.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) (limited to 'src/gallium') diff --git a/src/gallium/drivers/i915/i915_resource_texture.c b/src/gallium/drivers/i915/i915_resource_texture.c index 141bf447b36..17fcdee379a 100644 --- a/src/gallium/drivers/i915/i915_resource_texture.c +++ b/src/gallium/drivers/i915/i915_resource_texture.c @@ -87,19 +87,6 @@ static const int bottom_offsets[6] = { [PIPE_TEX_FACE_NEG_Z] = 16 + 5 * 8, }; - -/* XXX really need twice the size if x is already pot? - Otherwise just use util_next_power_of_two? -*/ -static unsigned -power_of_two(unsigned x) -{ - unsigned value = 1; - while (value < x) - value = value << 1; - return value; -} - static INLINE unsigned align_nblocksx(enum pipe_format format, unsigned width, unsigned align_to) { @@ -112,6 +99,11 @@ align_nblocksy(enum pipe_format format, unsigned width, unsigned align_to) return align(util_format_get_nblocksy(format, width), align_to); } +static INLINE unsigned +get_pot_stride(enum pipe_format format, unsigned width) +{ + return util_next_power_of_two(util_format_get_stride(format, width)); +} /* * More advanced helper funcs @@ -170,11 +162,11 @@ i9x5_scanout_layout(struct i915_texture *tex) i915_texture_set_image_offset(tex, 0, 0, 0, 0); if (pt->width0 >= 240) { - tex->stride = power_of_two(util_format_get_stride(pt->format, pt->width0)); + tex->stride = get_pot_stride(pt->format, pt->width0); tex->total_nblocksy = align_nblocksy(pt->format, pt->height0, 8); tex->hw_tiled = I915_TILE_X; } else if (pt->width0 == 64 && pt->height0 == 64) { - tex->stride = power_of_two(util_format_get_stride(pt->format, pt->width0)); + tex->stride = get_pot_stride(pt->format, pt->width0); tex->total_nblocksy = align_nblocksy(pt->format, pt->height0, 8); } else { return FALSE; @@ -207,7 +199,7 @@ i9x5_display_target_layout(struct i915_texture *tex) i915_texture_set_level_info(tex, 0, 1); i915_texture_set_image_offset(tex, 0, 0, 0, 0); - tex->stride = power_of_two(util_format_get_stride(pt->format, pt->width0)); + tex->stride = get_pot_stride(pt->format, pt->width0); tex->total_nblocksy = align_nblocksy(pt->format, pt->height0, 8); tex->hw_tiled = I915_TILE_X; -- cgit v1.2.3