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CShaderGenerator: Make file-scope arrays non-allocating 

We can make these plain views to eliminate any potential static runtime
constructors.
This commit is contained in:
Lioncash 2020-06-10 00:21:42 -04:00
parent 0096b28294
commit e75c077bda
1 changed files with 129 additions and 126 deletions
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255
src/Core/OpenGL/CShaderGenerator.cpp
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@ -1,140 +1,143 @@
#include "CShaderGenerator.h"
#include <Common/Macros.h>
#include <iostream>
#include <array>
#include <fstream>
#include <sstream>
#include <string_view>
#include <GL/glew.h>
const TString gkCoordSrc[] = {
"ModelSpacePos.xyz",
"ModelSpaceNormal.xyz",
"0.0, 0.0, 0.0",
"0.0, 0.0, 0.0",
"RawTex0.xy, 1.0",
"RawTex1.xy, 1.0",
"RawTex2.xy, 1.0",
"RawTex3.xy, 1.0",
"RawTex4.xy, 1.0",
"RawTex5.xy, 1.0",
"RawTex6.xy, 1.0",
"RawTex7.xy, 1.0"
using std::string_view_literals::operator""sv;
constexpr std::array gkCoordSrc{
"ModelSpacePos.xyz"sv,
"ModelSpaceNormal.xyz"sv,
"0.0, 0.0, 0.0"sv,
"0.0, 0.0, 0.0"sv,
"RawTex0.xy, 1.0"sv,
"RawTex1.xy, 1.0"sv,
"RawTex2.xy, 1.0"sv,
"RawTex3.xy, 1.0"sv,
"RawTex4.xy, 1.0"sv,
"RawTex5.xy, 1.0"sv,
"RawTex6.xy, 1.0"sv,
"RawTex7.xy, 1.0"sv,
};
const TString gkRasSel[] = {
"vec4(COLOR0A0.rgb, 1.0)",
"vec4(COLOR1A1.rgb, 1.0)",
"vec4(0.0, 0.0, 0.0, COLOR0A0.a)",
"vec4(0.0, 0.0, 0.0, COLOR1A1.a)",
"COLOR0A0",
"COLOR1A1",
"vec4(0.0, 0.0, 0.0, 0.0)"
constexpr std::array gkRasSel{
"vec4(COLOR0A0.rgb, 1.0)"sv,
"vec4(COLOR1A1.rgb, 1.0)"sv,
"vec4(0.0, 0.0, 0.0, COLOR0A0.a)"sv,
"vec4(0.0, 0.0, 0.0, COLOR1A1.a)"sv,
"COLOR0A0"sv,
"COLOR1A1"sv,
"vec4(0.0, 0.0, 0.0, 0.0)"sv,
};
const TString gkKonstColor[] = {
"1.0, 1.0, 1.0",
"0.875, 0.875, 0.875",
"0.75, 0.75, 0.75",
"0.625, 0.625, 0.625",
"0.5, 0.5, 0.5",
"0.375, 0.375, 0.375",
"0.25, 0.25, 0.25",
"0.125, 0.125, 0.125",
"",
"",
"",
"",
"KonstColors[0].rgb",
"KonstColors[1].rgb",
"KonstColors[2].rgb",
"KonstColors[3].rgb",
"KonstColors[0].rrr",
"KonstColors[1].rrr",
"KonstColors[2].rrr",
"KonstColors[3].rrr",
"KonstColors[0].ggg",
"KonstColors[1].ggg",
"KonstColors[2].ggg",
"KonstColors[3].ggg",
"KonstColors[0].bbb",
"KonstColors[1].bbb",
"KonstColors[2].bbb",
"KonstColors[3].bbb",
"KonstColors[0].aaa",
"KonstColors[1].aaa",
"KonstColors[2].aaa",
"KonstColors[3].aaa"
constexpr std::array gkKonstColor{
"1.0, 1.0, 1.0"sv,
"0.875, 0.875, 0.875"sv,
"0.75, 0.75, 0.75"sv,
"0.625, 0.625, 0.625"sv,
"0.5, 0.5, 0.5"sv,
"0.375, 0.375, 0.375"sv,
"0.25, 0.25, 0.25"sv,
"0.125, 0.125, 0.125"sv,
""sv,
""sv,
""sv,
""sv,
"KonstColors[0].rgb"sv,
"KonstColors[1].rgb"sv,
"KonstColors[2].rgb"sv,
"KonstColors[3].rgb"sv,
"KonstColors[0].rrr"sv,
"KonstColors[1].rrr"sv,
"KonstColors[2].rrr"sv,
"KonstColors[3].rrr"sv,
"KonstColors[0].ggg"sv,
"KonstColors[1].ggg"sv,
"KonstColors[2].ggg"sv,
"KonstColors[3].ggg"sv,
"KonstColors[0].bbb"sv,
"KonstColors[1].bbb"sv,
"KonstColors[2].bbb"sv,
"KonstColors[3].bbb"sv,
"KonstColors[0].aaa"sv,
"KonstColors[1].aaa"sv,
"KonstColors[2].aaa"sv,
"KonstColors[3].aaa"sv,
};
const TString gkKonstAlpha[] = {
"1.0",
"0.875",
"0.75",
"0.625",
"0.5",
"0.375",
"0.25",
"0.125",
"",
"",
"",
"",
"",
"",
"",
"",
"KonstColors[0].r",
"KonstColors[1].r",
"KonstColors[2].r",
"KonstColors[3].r",
"KonstColors[0].g",
"KonstColors[1].g",
"KonstColors[2].g",
"KonstColors[3].g",
"KonstColors[0].b",
"KonstColors[1].b",
"KonstColors[2].b",
"KonstColors[3].b",
"KonstColors[0].a",
"KonstColors[1].a",
"KonstColors[2].a",
"KonstColors[3].a"
constexpr std::array gkKonstAlpha{
"1.0"sv,
"0.875"sv,
"0.75"sv,
"0.625"sv,
"0.5"sv,
"0.375"sv,
"0.25"sv,
"0.125"sv,
""sv,
""sv,
""sv,
""sv,
""sv,
""sv,
""sv,
""sv,
"KonstColors[0].r"sv,
"KonstColors[1].r"sv,
"KonstColors[2].r"sv,
"KonstColors[3].r"sv,
"KonstColors[0].g"sv,
"KonstColors[1].g"sv,
"KonstColors[2].g"sv,
"KonstColors[3].g"sv,
"KonstColors[0].b"sv,
"KonstColors[1].b"sv,
"KonstColors[2].b"sv,
"KonstColors[3].b"sv,
"KonstColors[0].a"sv,
"KonstColors[1].a"sv,
"KonstColors[2].a"sv,
"KonstColors[3].a"sv,
};
const TString gkTevColor[] = {
"Prev.rgb",
"Prev.aaa",
"C0.rgb",
"C0.aaa",
"C1.rgb",
"C1.aaa",
"C2.rgb",
"C2.aaa",
"Tex.rgb",
"Tex.aaa",
"Ras.rgb",
"Ras.aaa",
"1.0, 1.0, 1.0",
"0.5, 0.5, 0.5",
"Konst.rgb",
"0.0, 0.0, 0.0"
constexpr std::array gkTevColor{
"Prev.rgb"sv,
"Prev.aaa"sv,
"C0.rgb"sv,
"C0.aaa"sv,
"C1.rgb"sv,
"C1.aaa"sv,
"C2.rgb"sv,
"C2.aaa"sv,
"Tex.rgb"sv,
"Tex.aaa"sv,
"Ras.rgb"sv,
"Ras.aaa"sv,
"1.0, 1.0, 1.0"sv,
"0.5, 0.5, 0.5"sv,
"Konst.rgb"sv,
"0.0, 0.0, 0.0"sv,
};
const TString gkTevAlpha[] = {
"Prev.a",
"C0.a",
"C1.a",
"C2.a",
"Tex.a",
"Ras.a",
"Konst.a",
"0.0"
constexpr std::array gkTevAlpha{
"Prev.a"sv,
"C0.a"sv,
"C1.a"sv,
"C2.a"sv,
"Tex.a"sv,
"Ras.a"sv,
"Konst.a"sv,
"0.0"sv,
};
const TString gkTevRigid[] = {
"Prev",
"C0",
"C1",
"C2"
constexpr std::array gkTevRigid{
"Prev"sv,
"C0"sv,
"C1"sv,
"C2"sv,
};
CShaderGenerator::CShaderGenerator()
@ -366,34 +369,34 @@ bool CShaderGenerator::CreateVertexShader(const CMaterial& rkMat)
return mpShader->CompileVertexSource(ShaderCode.str().c_str());
}
static TString GetColorInputExpression(const CMaterialPass* pPass, ETevColorInput iInput)
static std::string GetColorInputExpression(const CMaterialPass* pPass, ETevColorInput iInput)
{
if (iInput == ETevColorInput::kTextureRGB)
{
TString Ret("Tex.");
std::string Ret("Tex.");
for (uint32 i = 0; i < 3; ++i)
Ret += pPass->TexSwapComp(i);
return Ret;
}
else if (iInput == ETevColorInput::kTextureAAA)
{
TString Ret("Tex.");
std::string Ret("Tex.");
for (uint32 i = 0; i < 3; ++i)
Ret += pPass->TexSwapComp(3);
return Ret;
}
return gkTevColor[iInput];
return std::string(gkTevColor[iInput]);
}
static TString GetAlphaInputExpression(const CMaterialPass* pPass, ETevAlphaInput iInput)
static std::string GetAlphaInputExpression(const CMaterialPass* pPass, ETevAlphaInput iInput)
{
if (iInput == ETevAlphaInput::kTextureAlpha)
{
TString Ret("Tex.");
std::string Ret("Tex.");
Ret += pPass->TexSwapComp(3);
return Ret;
}
return gkTevAlpha[iInput];
return std::string(gkTevAlpha[iInput]);
}
bool CShaderGenerator::CreatePixelShader(const CMaterial& rkMat)