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VideoCommon: Allow BitfieldExtract in specialized shaders

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This commit is contained in:
Pokechu22
2021-07-26 11:20:04 -07:00
parent 735fd60e52
commit 555a93057c
7 changed files with 33 additions and 39 deletions
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12
Source/Core/VideoCommon/ShaderGenCommon.h
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@ -14,6 +14,7 @@
#include "Common/BitField.h"
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "Common/TypeUtils.h"
enum class APIType;
@ -177,6 +178,8 @@ std::string GetDiskShaderCacheFileName(APIType api_type, const char* type, bool
bool include_host_config, bool include_api = true);
void WriteIsNanHeader(ShaderCode& out, APIType api_type);
void WriteBitfieldExtractHeader(ShaderCode& out, APIType api_type,
const ShaderHostConfig& host_config);
void GenerateVSOutputMembers(ShaderCode& object, APIType api_type, u32 texgens,
const ShaderHostConfig& host_config, std::string_view qualifier);
@ -195,6 +198,15 @@ void AssignVSOutputMembers(ShaderCode& object, std::string_view a, std::string_v
const char* GetInterpolationQualifier(bool msaa, bool ssaa, bool in_glsl_interface_block = false,
bool in = false);
// bitfieldExtract generator for BitField types
template <auto ptr_to_bitfield_member>
std::string BitfieldExtract(std::string_view source)
{
using BitFieldT = Common::MemberType<ptr_to_bitfield_member>;
return fmt::format("bitfieldExtract({}, {}, {})", source, static_cast<u32>(BitFieldT::StartBit()),
static_cast<u32>(BitFieldT::NumBits()));
}
// Constant variable names
#define I_COLORS "color"
#define I_KCOLORS "k"