diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/format_utils.c | 1030 |
1 files changed, 550 insertions, 480 deletions
diff --git a/src/mesa/main/format_utils.c b/src/mesa/main/format_utils.c index 240e3bc0c19..29d779a3536 100644 --- a/src/mesa/main/format_utils.c +++ b/src/mesa/main/format_utils.c @@ -352,9 +352,14 @@ swizzle_convert_try_memcpy(void *dst, GLenum dst_type, int num_dst_channels, */ #define SWIZZLE_CONVERT(DST_TYPE, SRC_TYPE, CONV) \ do { \ + const uint8_t swizzle_x = swizzle[0]; \ + const uint8_t swizzle_y = swizzle[1]; \ + const uint8_t swizzle_z = swizzle[2]; \ + const uint8_t swizzle_w = swizzle[3]; \ const SRC_TYPE *typed_src = void_src; \ DST_TYPE *typed_dst = void_dst; \ DST_TYPE tmp[7]; \ + int s, j; \ tmp[4] = 0; \ tmp[5] = one; \ switch (num_dst_channels) { \ @@ -423,7 +428,527 @@ swizzle_convert_try_memcpy(void *dst, GLenum dst_type, int num_dst_channels, } \ break; \ } \ - } while (0); + } while (0) + + +static void +convert_float(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const float one = 1.0f; + + switch (src_type) { + case GL_FLOAT: + SWIZZLE_CONVERT(float, float, src); + break; + case GL_HALF_FLOAT: + SWIZZLE_CONVERT(float, uint16_t, _mesa_half_to_float(src)); + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(float, uint8_t, unorm_to_float(src, 8)); + } else { + SWIZZLE_CONVERT(float, uint8_t, src); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(float, int8_t, snorm_to_float(src, 8)); + } else { + SWIZZLE_CONVERT(float, int8_t, src); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(float, uint16_t, unorm_to_float(src, 16)); + } else { + SWIZZLE_CONVERT(float, uint16_t, src); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(float, int16_t, snorm_to_float(src, 16)); + } else { + SWIZZLE_CONVERT(float, int16_t, src); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(float, uint32_t, unorm_to_float(src, 32)); + } else { + SWIZZLE_CONVERT(float, uint32_t, src); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(float, int32_t, snorm_to_float(src, 32)); + } else { + SWIZZLE_CONVERT(float, int32_t, src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_half_float(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const uint16_t one = _mesa_float_to_half(1.0f); + + switch (src_type) { + case GL_FLOAT: + SWIZZLE_CONVERT(uint16_t, float, _mesa_float_to_half(src)); + break; + case GL_HALF_FLOAT: + SWIZZLE_CONVERT(uint16_t, uint16_t, src); + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint8_t, unorm_to_half(src, 8)); + } else { + SWIZZLE_CONVERT(uint16_t, uint8_t, _mesa_float_to_half(src)); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int8_t, snorm_to_half(src, 8)); + } else { + SWIZZLE_CONVERT(uint16_t, int8_t, _mesa_float_to_half(src)); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint16_t, unorm_to_half(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, uint16_t, _mesa_float_to_half(src)); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int16_t, snorm_to_half(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, int16_t, _mesa_float_to_half(src)); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint32_t, unorm_to_half(src, 32)); + } else { + SWIZZLE_CONVERT(uint16_t, uint32_t, _mesa_float_to_half(src)); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int32_t, snorm_to_half(src, 32)); + } else { + SWIZZLE_CONVERT(uint16_t, int32_t, _mesa_float_to_half(src)); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_ubyte(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const uint8_t one = normalized ? UINT8_MAX : 1; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, float, float_to_unorm(src, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, float, (src < 0) ? 0 : src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_unorm(src, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_uint(src)); + } + break; + case GL_UNSIGNED_BYTE: + SWIZZLE_CONVERT(uint8_t, uint8_t, src); + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, int8_t, snorm_to_unorm(src, 8, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, int8_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, uint16_t, unorm_to_unorm(src, 16, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, uint16_t, src); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, int16_t, snorm_to_unorm(src, 16, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, int16_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, uint32_t, unorm_to_unorm(src, 32, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, uint32_t, src); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, int32_t, snorm_to_unorm(src, 32, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, int32_t, (src < 0) ? 0 : src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_byte(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const int8_t one = normalized ? INT8_MAX : 1; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, float, float_to_snorm(src, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, float, src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_snorm(src, 8)); + } else { + SWIZZLE_CONVERT(uint8_t, uint16_t, _mesa_half_to_float(src)); + } + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(int8_t, uint8_t, unorm_to_snorm(src, 8, 8)); + } else { + SWIZZLE_CONVERT(int8_t, uint8_t, src); + } + break; + case GL_BYTE: + SWIZZLE_CONVERT(int8_t, int8_t, src); + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(int8_t, uint16_t, unorm_to_snorm(src, 16, 8)); + } else { + SWIZZLE_CONVERT(int8_t, uint16_t, src); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(int8_t, int16_t, snorm_to_snorm(src, 16, 8)); + } else { + SWIZZLE_CONVERT(int8_t, int16_t, src); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(int8_t, uint32_t, unorm_to_snorm(src, 32, 8)); + } else { + SWIZZLE_CONVERT(int8_t, uint32_t, src); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(int8_t, int32_t, snorm_to_snorm(src, 32, 8)); + } else { + SWIZZLE_CONVERT(int8_t, int32_t, src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_ushort(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const uint16_t one = normalized ? UINT16_MAX : 1; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, float, float_to_unorm(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, float, (src < 0) ? 0 : src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_unorm(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_uint(src)); + } + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint8_t, unorm_to_unorm(src, 8, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, uint8_t, src); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int8_t, snorm_to_unorm(src, 8, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, int8_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_SHORT: + SWIZZLE_CONVERT(uint16_t, uint16_t, src); + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int16_t, snorm_to_unorm(src, 16, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, int16_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint32_t, unorm_to_unorm(src, 32, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, uint32_t, src); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, int32_t, snorm_to_unorm(src, 32, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, int32_t, (src < 0) ? 0 : src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_short(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const int16_t one = normalized ? INT16_MAX : 1; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, float, float_to_snorm(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, float, src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_snorm(src, 16)); + } else { + SWIZZLE_CONVERT(uint16_t, uint16_t, _mesa_half_to_float(src)); + } + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(int16_t, uint8_t, unorm_to_snorm(src, 8, 16)); + } else { + SWIZZLE_CONVERT(int16_t, uint8_t, src); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(int16_t, int8_t, snorm_to_snorm(src, 8, 16)); + } else { + SWIZZLE_CONVERT(int16_t, int8_t, src); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(int16_t, uint16_t, unorm_to_snorm(src, 16, 16)); + } else { + SWIZZLE_CONVERT(int16_t, uint16_t, src); + } + break; + case GL_SHORT: + SWIZZLE_CONVERT(int16_t, int16_t, src); + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(int16_t, uint32_t, unorm_to_snorm(src, 32, 16)); + } else { + SWIZZLE_CONVERT(int16_t, uint32_t, src); + } + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(int16_t, int32_t, snorm_to_snorm(src, 32, 16)); + } else { + SWIZZLE_CONVERT(int16_t, int32_t, src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + +static void +convert_uint(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const uint32_t one = normalized ? UINT32_MAX : 1; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, float, float_to_unorm(src, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, float, (src < 0) ? 0 : src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_unorm(src, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_uint(src)); + } + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, uint8_t, unorm_to_unorm(src, 8, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, uint8_t, src); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, int8_t, snorm_to_unorm(src, 8, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, int8_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, uint16_t, unorm_to_unorm(src, 16, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, uint16_t, src); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, int16_t, snorm_to_unorm(src, 16, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, int16_t, (src < 0) ? 0 : src); + } + break; + case GL_UNSIGNED_INT: + SWIZZLE_CONVERT(uint32_t, uint32_t, src); + break; + case GL_INT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, int32_t, snorm_to_unorm(src, 32, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, int32_t, (src < 0) ? 0 : src); + } + break; + default: + assert(!"Invalid channel type combination"); + } +} + + +static void +convert_int(void *void_dst, int num_dst_channels, + const void *void_src, GLenum src_type, int num_src_channels, + const uint8_t swizzle[4], bool normalized, int count) +{ + const int32_t one = normalized ? INT32_MAX : 12; + + switch (src_type) { + case GL_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, float, float_to_snorm(src, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, float, src); + } + break; + case GL_HALF_FLOAT: + if (normalized) { + SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_snorm(src, 32)); + } else { + SWIZZLE_CONVERT(uint32_t, uint16_t, _mesa_half_to_float(src)); + } + break; + case GL_UNSIGNED_BYTE: + if (normalized) { + SWIZZLE_CONVERT(int32_t, uint8_t, unorm_to_snorm(src, 8, 32)); + } else { + SWIZZLE_CONVERT(int32_t, uint8_t, src); + } + break; + case GL_BYTE: + if (normalized) { + SWIZZLE_CONVERT(int32_t, int8_t, snorm_to_snorm(src, 8, 32)); + } else { + SWIZZLE_CONVERT(int32_t, int8_t, src); + } + break; + case GL_UNSIGNED_SHORT: + if (normalized) { + SWIZZLE_CONVERT(int32_t, uint16_t, unorm_to_snorm(src, 16, 32)); + } else { + SWIZZLE_CONVERT(int32_t, uint16_t, src); + } + break; + case GL_SHORT: + if (normalized) { + SWIZZLE_CONVERT(int32_t, int16_t, snorm_to_snorm(src, 16, 32)); + } else { + SWIZZLE_CONVERT(int32_t, int16_t, src); + } + break; + case GL_UNSIGNED_INT: + if (normalized) { + SWIZZLE_CONVERT(int32_t, uint32_t, unorm_to_snorm(src, 32, 32)); + } else { + SWIZZLE_CONVERT(int32_t, uint32_t, src); + } + break; + case GL_INT: + SWIZZLE_CONVERT(int32_t, int32_t, src); + break; + default: + assert(!"Invalid channel type combination"); + } +} + /** * Convert between array-based color formats. @@ -478,499 +1003,44 @@ _mesa_swizzle_and_convert(void *void_dst, GLenum dst_type, int num_dst_channels, const void *void_src, GLenum src_type, int num_src_channels, const uint8_t swizzle[4], bool normalized, int count) { - int s, j; - register uint8_t swizzle_x, swizzle_y, swizzle_z, swizzle_w; - if (swizzle_convert_try_memcpy(void_dst, dst_type, num_dst_channels, void_src, src_type, num_src_channels, swizzle, normalized, count)) return; - swizzle_x = swizzle[0]; - swizzle_y = swizzle[1]; - swizzle_z = swizzle[2]; - swizzle_w = swizzle[3]; - switch (dst_type) { case GL_FLOAT: - { - const float one = 1.0f; - switch (src_type) { - case GL_FLOAT: - SWIZZLE_CONVERT(float, float, src) - break; - case GL_HALF_FLOAT: - SWIZZLE_CONVERT(float, uint16_t, _mesa_half_to_float(src)) - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(float, uint8_t, unorm_to_float(src, 8)) - } else { - SWIZZLE_CONVERT(float, uint8_t, src) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(float, int8_t, snorm_to_float(src, 8)) - } else { - SWIZZLE_CONVERT(float, int8_t, src) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(float, uint16_t, unorm_to_float(src, 16)) - } else { - SWIZZLE_CONVERT(float, uint16_t, src) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(float, int16_t, snorm_to_float(src, 16)) - } else { - SWIZZLE_CONVERT(float, int16_t, src) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(float, uint32_t, unorm_to_float(src, 32)) - } else { - SWIZZLE_CONVERT(float, uint32_t, src) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(float, int32_t, snorm_to_float(src, 32)) - } else { - SWIZZLE_CONVERT(float, int32_t, src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_float(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_HALF_FLOAT: - { - const uint16_t one = _mesa_float_to_half(1.0f); - switch (src_type) { - case GL_FLOAT: - SWIZZLE_CONVERT(uint16_t, float, _mesa_float_to_half(src)) - break; - case GL_HALF_FLOAT: - SWIZZLE_CONVERT(uint16_t, uint16_t, src) - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint8_t, unorm_to_half(src, 8)) - } else { - SWIZZLE_CONVERT(uint16_t, uint8_t, _mesa_float_to_half(src)) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int8_t, snorm_to_half(src, 8)) - } else { - SWIZZLE_CONVERT(uint16_t, int8_t, _mesa_float_to_half(src)) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint16_t, unorm_to_half(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, uint16_t, _mesa_float_to_half(src)) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int16_t, snorm_to_half(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, int16_t, _mesa_float_to_half(src)) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint32_t, unorm_to_half(src, 32)) - } else { - SWIZZLE_CONVERT(uint16_t, uint32_t, _mesa_float_to_half(src)) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int32_t, snorm_to_half(src, 32)) - } else { - SWIZZLE_CONVERT(uint16_t, int32_t, _mesa_float_to_half(src)) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_half_float(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_UNSIGNED_BYTE: - { - const uint8_t one = normalized ? UINT8_MAX : 1; - switch (src_type) { - case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, float, float_to_unorm(src, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, float, (src < 0) ? 0 : src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_unorm(src, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_uint(src)) - } - break; - case GL_UNSIGNED_BYTE: - SWIZZLE_CONVERT(uint8_t, uint8_t, src) - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, int8_t, snorm_to_unorm(src, 8, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, int8_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, uint16_t, unorm_to_unorm(src, 16, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, uint16_t, src) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, int16_t, snorm_to_unorm(src, 16, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, int16_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, uint32_t, unorm_to_unorm(src, 32, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, uint32_t, src) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, int32_t, snorm_to_unorm(src, 32, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, int32_t, (src < 0) ? 0 : src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_ubyte(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_BYTE: - { - const int8_t one = normalized ? INT8_MAX : 1; - switch (src_type) { - case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, float, float_to_snorm(src, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, float, src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint8_t, uint16_t, half_to_snorm(src, 8)) - } else { - SWIZZLE_CONVERT(uint8_t, uint16_t, _mesa_half_to_float(src)) - } - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(int8_t, uint8_t, unorm_to_snorm(src, 8, 8)) - } else { - SWIZZLE_CONVERT(int8_t, uint8_t, src) - } - break; - case GL_BYTE: - SWIZZLE_CONVERT(int8_t, int8_t, src) - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(int8_t, uint16_t, unorm_to_snorm(src, 16, 8)) - } else { - SWIZZLE_CONVERT(int8_t, uint16_t, src) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(int8_t, int16_t, snorm_to_snorm(src, 16, 8)) - } else { - SWIZZLE_CONVERT(int8_t, int16_t, src) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(int8_t, uint32_t, unorm_to_snorm(src, 32, 8)) - } else { - SWIZZLE_CONVERT(int8_t, uint32_t, src) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(int8_t, int32_t, snorm_to_snorm(src, 32, 8)) - } else { - SWIZZLE_CONVERT(int8_t, int32_t, src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_byte(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_UNSIGNED_SHORT: - { - const uint16_t one = normalized ? UINT16_MAX : 1; - switch (src_type) { - case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, float, float_to_unorm(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, float, (src < 0) ? 0 : src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_unorm(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_uint(src)) - } - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint8_t, unorm_to_unorm(src, 8, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, uint8_t, src) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int8_t, snorm_to_unorm(src, 8, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, int8_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_SHORT: - SWIZZLE_CONVERT(uint16_t, uint16_t, src) - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int16_t, snorm_to_unorm(src, 16, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, int16_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint32_t, unorm_to_unorm(src, 32, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, uint32_t, src) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, int32_t, snorm_to_unorm(src, 32, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, int32_t, (src < 0) ? 0 : src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_ushort(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_SHORT: - { - const int16_t one = normalized ? INT16_MAX : 1; - switch (src_type) { - case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, float, float_to_snorm(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, float, src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint16_t, uint16_t, half_to_snorm(src, 16)) - } else { - SWIZZLE_CONVERT(uint16_t, uint16_t, _mesa_half_to_float(src)) - } - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(int16_t, uint8_t, unorm_to_snorm(src, 8, 16)) - } else { - SWIZZLE_CONVERT(int16_t, uint8_t, src) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(int16_t, int8_t, snorm_to_snorm(src, 8, 16)) - } else { - SWIZZLE_CONVERT(int16_t, int8_t, src) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(int16_t, uint16_t, unorm_to_snorm(src, 16, 16)) - } else { - SWIZZLE_CONVERT(int16_t, uint16_t, src) - } - break; - case GL_SHORT: - SWIZZLE_CONVERT(int16_t, int16_t, src) - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(int16_t, uint32_t, unorm_to_snorm(src, 32, 16)) - } else { - SWIZZLE_CONVERT(int16_t, uint32_t, src) - } - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(int16_t, int32_t, snorm_to_snorm(src, 32, 16)) - } else { - SWIZZLE_CONVERT(int16_t, int32_t, src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_short(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_UNSIGNED_INT: - { - const uint32_t one = normalized ? UINT32_MAX : 1; - switch (src_type) { case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, float, float_to_unorm(src, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, float, (src < 0) ? 0 : src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_unorm(src, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_uint(src)) - } - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, uint8_t, unorm_to_unorm(src, 8, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, uint8_t, src) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, int8_t, snorm_to_unorm(src, 8, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, int8_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, uint16_t, unorm_to_unorm(src, 16, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, uint16_t, src) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, int16_t, snorm_to_unorm(src, 16, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, int16_t, (src < 0) ? 0 : src) - } - break; - case GL_UNSIGNED_INT: - SWIZZLE_CONVERT(uint32_t, uint32_t, src) - break; - case GL_INT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, int32_t, snorm_to_unorm(src, 32, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, int32_t, (src < 0) ? 0 : src) - } - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_uint(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; case GL_INT: - { - const int32_t one = normalized ? INT32_MAX : 1; - switch (src_type) { - case GL_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, float, float_to_snorm(src, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, float, src) - } - break; - case GL_HALF_FLOAT: - if (normalized) { - SWIZZLE_CONVERT(uint32_t, uint16_t, half_to_snorm(src, 32)) - } else { - SWIZZLE_CONVERT(uint32_t, uint16_t, _mesa_half_to_float(src)) - } - break; - case GL_UNSIGNED_BYTE: - if (normalized) { - SWIZZLE_CONVERT(int32_t, uint8_t, unorm_to_snorm(src, 8, 32)) - } else { - SWIZZLE_CONVERT(int32_t, uint8_t, src) - } - break; - case GL_BYTE: - if (normalized) { - SWIZZLE_CONVERT(int32_t, int8_t, snorm_to_snorm(src, 8, 32)) - } else { - SWIZZLE_CONVERT(int32_t, int8_t, src) - } - break; - case GL_UNSIGNED_SHORT: - if (normalized) { - SWIZZLE_CONVERT(int32_t, uint16_t, unorm_to_snorm(src, 16, 32)) - } else { - SWIZZLE_CONVERT(int32_t, uint16_t, src) - } - break; - case GL_SHORT: - if (normalized) { - SWIZZLE_CONVERT(int32_t, int16_t, snorm_to_snorm(src, 16, 32)) - } else { - SWIZZLE_CONVERT(int32_t, int16_t, src) - } - break; - case GL_UNSIGNED_INT: - if (normalized) { - SWIZZLE_CONVERT(int32_t, uint32_t, unorm_to_snorm(src, 32, 32)) - } else { - SWIZZLE_CONVERT(int32_t, uint32_t, src) - } - break; - case GL_INT: - SWIZZLE_CONVERT(int32_t, int32_t, src) - break; - default: - assert(!"Invalid channel type combination"); - } - } - break; + convert_int(void_dst, num_dst_channels, void_src, src_type, + num_src_channels, swizzle, normalized, count); + break; default: assert(!"Invalid channel type"); } |