diff options
Diffstat (limited to 'src/intel/isl/isl_format.c')
| -rw-r--r-- | src/intel/isl/isl_format.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c new file mode 100644 index 00000000000..0fe6e9b83ab --- /dev/null +++ b/src/intel/isl/isl_format.c @@ -0,0 +1,95 @@ +/* + * Copyright 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <assert.h> + +#include "isl.h" + +bool +isl_format_has_sint_channel(enum isl_format fmt) +{ + const struct isl_format_layout *fmtl = isl_format_get_layout(fmt); + + return fmtl->channels.r.type == ISL_SINT || + fmtl->channels.g.type == ISL_SINT || + fmtl->channels.b.type == ISL_SINT || + fmtl->channels.a.type == ISL_SINT || + fmtl->channels.l.type == ISL_SINT || + fmtl->channels.i.type == ISL_SINT || + fmtl->channels.p.type == ISL_SINT || + fmtl->channels.g.type == ISL_SINT; +} + +enum isl_format +isl_format_rgb_to_rgba(enum isl_format rgb) +{ + assert(isl_format_is_rgb(rgb)); + + switch (rgb) { + case ISL_FORMAT_R32G32B32_FLOAT: return ISL_FORMAT_R32G32B32A32_FLOAT; + case ISL_FORMAT_R32G32B32_SINT: return ISL_FORMAT_R32G32B32A32_SINT; + case ISL_FORMAT_R32G32B32_UINT: return ISL_FORMAT_R32G32B32A32_UINT; + case ISL_FORMAT_R32G32B32_UNORM: return ISL_FORMAT_R32G32B32A32_UNORM; + case ISL_FORMAT_R32G32B32_SNORM: return ISL_FORMAT_R32G32B32A32_SNORM; + case ISL_FORMAT_R32G32B32_SSCALED: return ISL_FORMAT_R32G32B32A32_SSCALED; + case ISL_FORMAT_R32G32B32_USCALED: return ISL_FORMAT_R32G32B32A32_USCALED; + case ISL_FORMAT_R32G32B32_SFIXED: return ISL_FORMAT_R32G32B32A32_SFIXED; + case ISL_FORMAT_R8G8B8_UNORM: return ISL_FORMAT_R8G8B8A8_UNORM; + case ISL_FORMAT_R8G8B8_SNORM: return ISL_FORMAT_R8G8B8A8_SNORM; + case ISL_FORMAT_R8G8B8_SSCALED: return ISL_FORMAT_R8G8B8A8_SSCALED; + case ISL_FORMAT_R8G8B8_USCALED: return ISL_FORMAT_R8G8B8A8_USCALED; + case ISL_FORMAT_R16G16B16_FLOAT: return ISL_FORMAT_R16G16B16A16_FLOAT; + case ISL_FORMAT_R16G16B16_UNORM: return ISL_FORMAT_R16G16B16A16_UNORM; + case ISL_FORMAT_R16G16B16_SNORM: return ISL_FORMAT_R16G16B16A16_SNORM; + case ISL_FORMAT_R16G16B16_SSCALED: return ISL_FORMAT_R16G16B16A16_SSCALED; + case ISL_FORMAT_R16G16B16_USCALED: return ISL_FORMAT_R16G16B16A16_USCALED; + case ISL_FORMAT_R8G8B8_UNORM_SRGB: return ISL_FORMAT_R8G8B8A8_UNORM_SRGB; + case ISL_FORMAT_R16G16B16_UINT: return ISL_FORMAT_R16G16B16A16_UINT; + case ISL_FORMAT_R16G16B16_SINT: return ISL_FORMAT_R16G16B16A16_SINT; + case ISL_FORMAT_R8G8B8_UINT: return ISL_FORMAT_R8G8B8A8_UINT; + case ISL_FORMAT_R8G8B8_SINT: return ISL_FORMAT_R8G8B8A8_SINT; + default: + return ISL_FORMAT_UNSUPPORTED; + } +} + +enum isl_format +isl_format_rgb_to_rgbx(enum isl_format rgb) +{ + assert(isl_format_is_rgb(rgb)); + + switch (rgb) { + case ISL_FORMAT_R32G32B32_FLOAT: + return ISL_FORMAT_R32G32B32X32_FLOAT; + case ISL_FORMAT_R16G16B16_UNORM: + return ISL_FORMAT_R16G16B16X16_UNORM; + case ISL_FORMAT_R16G16B16_FLOAT: + return ISL_FORMAT_R16G16B16X16_FLOAT; + case ISL_FORMAT_R8G8B8_UNORM: + return ISL_FORMAT_R8G8B8X8_UNORM; + case ISL_FORMAT_R8G8B8_UNORM_SRGB: + return ISL_FORMAT_R8G8B8X8_UNORM_SRGB; + default: + return ISL_FORMAT_UNSUPPORTED; + } +} |