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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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19
Source/Core/VideoCommon/UberShaderCommon.h
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@ -3,37 +3,18 @@
#pragma once
#include <string>
#include <string_view>
#include <fmt/format.h>
#include "Common/CommonTypes.h"
#include "Common/TypeUtils.h"
class ShaderCode;
enum class APIType;
union ShaderHostConfig;
namespace UberShader
{
// Common functions across all ubershaders
void WriteUberShaderCommonHeader(ShaderCode& out, APIType api_type,
const ShaderHostConfig& host_config);
// Vertex lighting
void WriteLightingFunction(ShaderCode& out);
void WriteVertexLighting(ShaderCode& out, APIType api_type, std::string_view world_pos_var,
std::string_view normal_var, std::string_view in_color_0_var,
std::string_view in_color_1_var, std::string_view out_color_0_var,
std::string_view out_color_1_var);
// 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()));
}
} // namespace UberShader