diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/util/u_pack_color.h | 50 |
1 files changed, 28 insertions, 22 deletions
diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h index c90b0fdbc3..5378f2d782 100644 --- a/src/gallium/auxiliary/util/u_pack_color.h +++ b/src/gallium/auxiliary/util/u_pack_color.h @@ -434,8 +434,8 @@ util_pack_color(const float rgba[4], enum pipe_format format, union util_color * /* Integer versions of util_pack_z and util_pack_z_stencil - useful for * constructing clear masks. */ -static INLINE uint -util_pack_uint_z(enum pipe_format format, unsigned z) +static INLINE uint32_t +util_pack_mask_z(enum pipe_format format, uint32_t z) { switch (format) { case PIPE_FORMAT_Z16_UNORM: @@ -452,29 +452,32 @@ util_pack_uint_z(enum pipe_format format, unsigned z) case PIPE_FORMAT_S8_USCALED: return 0; default: - debug_print_format("gallium: unhandled format in util_pack_z()", format); + debug_print_format("gallium: unhandled format in util_pack_mask_z()", format); assert(0); return 0; } } -static INLINE uint -util_pack_uint_z_stencil(enum pipe_format format, double z, uint s) +static INLINE uint32_t +util_pack_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s) { - unsigned packed = util_pack_uint_z(format, z); - - s &= 0xff; + uint32_t packed = util_pack_mask_z(format, z); switch (format) { case PIPE_FORMAT_Z24_UNORM_S8_USCALED: - return packed | (s << 24); + packed |= (uint32_t)s << 24; + break; case PIPE_FORMAT_S8_USCALED_Z24_UNORM: - return packed | s; + packed |= s; + break; case PIPE_FORMAT_S8_USCALED: - return packed | s; + packed |= s; + break; default: - return packed; + break; } + + return packed; } @@ -482,9 +485,11 @@ util_pack_uint_z_stencil(enum pipe_format format, double z, uint s) /** * Note: it's assumed that z is in [0,1] */ -static INLINE uint +static INLINE uint32_t util_pack_z(enum pipe_format format, double z) { + union fi fui; + if (z == 0.0) return 0; @@ -492,24 +497,25 @@ util_pack_z(enum pipe_format format, double z) case PIPE_FORMAT_Z16_UNORM: if (z == 1.0) return 0xffff; - return (uint) (z * 0xffff); + return (uint32_t) (z * 0xffff); case PIPE_FORMAT_Z32_UNORM: /* special-case to avoid overflow */ if (z == 1.0) return 0xffffffff; - return (uint) (z * 0xffffffff); + return (uint32_t) (z * 0xffffffff); case PIPE_FORMAT_Z32_FLOAT: - return (uint)z; + fui.f = (float)z; + return fui.ui; case PIPE_FORMAT_Z24_UNORM_S8_USCALED: case PIPE_FORMAT_Z24X8_UNORM: if (z == 1.0) return 0xffffff; - return (uint) (z * 0xffffff); + return (uint32_t) (z * 0xffffff); case PIPE_FORMAT_S8_USCALED_Z24_UNORM: case PIPE_FORMAT_X8Z24_UNORM: if (z == 1.0) return 0xffffff00; - return ((uint) (z * 0xffffff)) << 8; + return ((uint32_t) (z * 0xffffff)) << 8; case PIPE_FORMAT_S8_USCALED: /* this case can get it via util_pack_z_stencil() */ return 0; @@ -525,14 +531,14 @@ util_pack_z(enum pipe_format format, double z) * Pack Z and/or stencil values into a 32-bit value described by format. * Note: it's assumed that z is in [0,1] and s in [0,255] */ -static INLINE uint -util_pack_z_stencil(enum pipe_format format, double z, uint s) +static INLINE uint32_t +util_pack_z_stencil(enum pipe_format format, double z, uint8_t s) { - unsigned packed = util_pack_z(format, z); + uint32_t packed = util_pack_z(format, z); switch (format) { case PIPE_FORMAT_Z24_UNORM_S8_USCALED: - packed |= s << 24; + packed |= (uint32_t)s << 24; break; case PIPE_FORMAT_S8_USCALED_Z24_UNORM: packed |= s; |