diff options
author | Samuel Pitoiset <[email protected]> | 2017-12-14 13:51:45 +0100 |
---|---|---|
committer | Samuel Pitoiset <[email protected]> | 2017-12-14 22:23:23 +0100 |
commit | 91f4d746e41b1c74daf917486c8b5fc64492d39a (patch) | |
tree | a47c03737a6cd50c6fd946d63b5eb0db6ca39006 /src/amd | |
parent | 90c3bf07892c27c86c2474b14388e6b627454d76 (diff) |
amd/common: add ac_get_spi_shader_z_format()
ac_shader_util.c will contain shader helpers for RadeonSI
and RADV.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd')
-rw-r--r-- | src/amd/Makefile.sources | 5 | ||||
-rw-r--r-- | src/amd/common/ac_shader_util.c | 45 | ||||
-rw-r--r-- | src/amd/common/ac_shader_util.h | 33 | ||||
-rw-r--r-- | src/amd/common/meson.build | 2 |
4 files changed, 84 insertions, 1 deletions
diff --git a/src/amd/Makefile.sources b/src/amd/Makefile.sources index 1bc5a7fe7eb..10c4827e19c 100644 --- a/src/amd/Makefile.sources +++ b/src/amd/Makefile.sources @@ -46,7 +46,10 @@ AMD_COMPILER_FILES = \ common/ac_llvm_util.h \ common/ac_shader_abi.h \ common/ac_shader_info.c \ - common/ac_shader_info.h + common/ac_shader_info.h \ + common/ac_shader_util.c \ + common/ac_shader_util.h + AMD_NIR_FILES = \ common/ac_nir_to_llvm.c \ diff --git a/src/amd/common/ac_shader_util.c b/src/amd/common/ac_shader_util.c new file mode 100644 index 00000000000..9d33a465591 --- /dev/null +++ b/src/amd/common/ac_shader_util.c @@ -0,0 +1,45 @@ +/* + * Copyright 2012 Advanced Micro Devices, Inc. + * + * 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 "ac_shader_util.h" +#include "sid.h" + +unsigned +ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil, + bool writes_samplemask) +{ + if (writes_z) { + /* Z needs 32 bits. */ + if (writes_samplemask) + return V_028710_SPI_SHADER_32_ABGR; + else if (writes_stencil) + return V_028710_SPI_SHADER_32_GR; + else + return V_028710_SPI_SHADER_32_R; + } else if (writes_stencil || writes_samplemask) { + /* Both stencil and sample mask need only 16 bits. */ + return V_028710_SPI_SHADER_UINT16_ABGR; + } else { + return V_028710_SPI_SHADER_ZERO; + } +} diff --git a/src/amd/common/ac_shader_util.h b/src/amd/common/ac_shader_util.h new file mode 100644 index 00000000000..1f971e76f16 --- /dev/null +++ b/src/amd/common/ac_shader_util.h @@ -0,0 +1,33 @@ +/* + * Copyright 2012 Advanced Micro Devices, Inc. + * + * 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. + */ + +#ifndef AC_SHADER_UTIL_H +#define AC_SHADER_UTIL_H + +#include <stdbool.h> + +unsigned +ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil, + bool writes_samplemask); + +#endif diff --git a/src/amd/common/meson.build b/src/amd/common/meson.build index 8c526675c40..63c15175430 100644 --- a/src/amd/common/meson.build +++ b/src/amd/common/meson.build @@ -38,6 +38,8 @@ amd_common_files = files( 'ac_shader_abi.h', 'ac_shader_info.c', 'ac_shader_info.h', + 'ac_shader_util.c', + 'ac_shader_util.h', 'ac_nir_to_llvm.c', 'ac_nir_to_llvm.h', 'ac_gpu_info.c', |