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Cleanup.

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This commit is contained in:
Бранимир Караџић 2020-12-28 17:27:50 -08:00
parent c2b7ffe2e7
commit 0f0a664a47
1 changed files with 159 additions and 97 deletions
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256
tools/shaderc/shaderc.cpp
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@ -25,16 +25,39 @@ namespace bgfx
{
bool g_verbose = false;
enum ShadingLang{
HLSL,
Metal,
PSSL,
Spirv,
GLSL,
ESSL,
ShadingLangCount
struct ShadingLang
{
enum Enum
{
ESSL,
GLSL,
HLSL,
Metal,
PSSL,
SpirV,
Count
};
};
static const char* s_shadingLangName[] =
{
"OpenGL ES Shading Language / WebGL (ESSL)",
"OpenGL Shading Language (GLSL)",
"High-Level Shading Language (HLSL)",
"Metal Shading Language (MSL)",
"PlayStation Shader Language (PSSL)",
"Standard Portable Intermediate Representation - V (SPIR-V)",
"Unknown?!"
};
BX_STATIC_ASSERT(BX_COUNTOF(s_shadingLangName) == ShadingLang::Count+1, "ShadingLang::Enum and s_shadingLangName mismatch");
const char* getName(ShadingLang::Enum _lang)
{
return s_shadingLangName[_lang];
}
// c - compute
// d - domain
// f - fragment
@ -63,41 +86,39 @@ namespace bgfx
// 1.4 | 1.1 | 1411
// 1.5 | 1.2 | 1512
static const struct Profile {
ShadingLang lang;
uint32_t id;
const char *name;
// [todo] description ?
} s_profiles[] = {
ESSL, 100, "100_es",
ESSL, 300, "300_es",
ESSL, 310, "310_es",
ESSL, 320, "320_es",
struct Profile
{
ShadingLang::Enum lang;
uint32_t id;
const char* name;
};
HLSL, 300, "s_3_0",
HLSL, 400, "s_4_0",
HLSL, 500, "s_5_0",
Metal, 1, "metal",
PSSL, 1, "pssl",
Spirv, 1331, "spirv13-11",
Spirv, 1411, "spirv14-11",
Spirv, 1512, "spirv15-12",
Spirv, 1010, "spirv10-10",
Spirv, 1010, "spirv",
GLSL, 120, "120",
GLSL, 130, "130",
GLSL, 140, "140",
GLSL, 150, "150",
GLSL, 330, "330",
GLSL, 400, "400",
GLSL, 410, "410",
GLSL, 420, "420",
GLSL, 430, "430",
GLSL, 440, "440"
static const Profile s_profiles[] =
{
{ ShadingLang::ESSL, 100, "100_es" },
{ ShadingLang::ESSL, 300, "300_es" },
{ ShadingLang::ESSL, 310, "310_es" },
{ ShadingLang::ESSL, 320, "320_es" },
{ ShadingLang::HLSL, 300, "s_3_0" },
{ ShadingLang::HLSL, 400, "s_4_0" },
{ ShadingLang::HLSL, 500, "s_5_0" },
{ ShadingLang::Metal, 1, "metal" },
{ ShadingLang::PSSL, 1, "pssl" },
{ ShadingLang::SpirV, 1331, "spirv13-11" },
{ ShadingLang::SpirV, 1411, "spirv14-11" },
{ ShadingLang::SpirV, 1512, "spirv15-12" },
{ ShadingLang::SpirV, 1010, "spirv10-10" },
{ ShadingLang::SpirV, 1010, "spirv" },
{ ShadingLang::GLSL, 120, "120" },
{ ShadingLang::GLSL, 130, "130" },
{ ShadingLang::GLSL, 140, "140" },
{ ShadingLang::GLSL, 150, "150" },
{ ShadingLang::GLSL, 330, "330" },
{ ShadingLang::GLSL, 400, "400" },
{ ShadingLang::GLSL, 410, "410" },
{ ShadingLang::GLSL, 420, "420" },
{ ShadingLang::GLSL, 430, "430" },
{ ShadingLang::GLSL, 440, "440" },
};
static const char* s_ARB_shader_texture_lod[] =
@ -958,8 +979,23 @@ namespace bgfx
" -p, --profile <profile> Shader model (default GLSL).\n"
);
for(unsigned int i=0; i<BX_COUNTOF(s_profiles); i++) {
bx::printf(" %s\n", s_profiles[i].name);
{
ShadingLang::Enum lang = ShadingLang::Count;
for (uint32_t ii = 0; ii < BX_COUNTOF(s_profiles); ++ii)
{
const Profile& profile = s_profiles[ii];
if (lang != profile.lang)
{
lang = profile.lang;
bx::printf("\n");
bx::printf(" %-20s %s\n", profile.name, getName(profile.lang) );
}
else
{
bx::printf(" %s\n", profile.name);
}
}
}
bx::printf(
@ -999,11 +1035,15 @@ namespace bgfx
if ('\0' != profile_opt[0])
{
const uint32_t count = BX_COUNTOF(s_profiles);
for(profile_id=0; profile_id<count; profile_id++) {
if(0 == bx::strCmp(profile_opt, s_profiles[profile_id].name)) {
for (profile_id=0; profile_id<count; profile_id++ )
{
if (0 == bx::strCmp(profile_opt, s_profiles[profile_id].name) )
{
break;
}
else if((s_profiles[profile_id].lang == HLSL)&& (0 == bx::strCmp(&profile_opt[1], s_profiles[profile_id].name))) {
else if (s_profiles[profile_id].lang == ShadingLang::HLSL
&& 0 == bx::strCmp(&profile_opt[1], s_profiles[profile_id].name) )
{
// This test is here to allow hlsl profile names e.g:
// cs_4_0, gs_5_0, etc...
// There's no check to ensure that the profile name matches the shader type set via the cli.
@ -1011,14 +1051,17 @@ namespace bgfx
break;
}
}
if(profile_id == count) {
if (profile_id == count)
{
bx::printf("Unknown profile: %s\n", profile_opt);
return false;
}
}
const Profile *profile = &s_profiles[profile_id];
Preprocessor preprocessor(_options.inputFilePath.c_str(), profile->lang != ESSL);
Preprocessor preprocessor(_options.inputFilePath.c_str(), profile->lang != ShadingLang::ESSL);
for (size_t ii = 0; ii < _options.includeDirs.size(); ++ii)
{
@ -1058,11 +1101,11 @@ namespace bgfx
char glslDefine[128];
bx::snprintf(glslDefine, BX_COUNTOF(glslDefine)
, "BGFX_SHADER_LANGUAGE_GLSL=%d"
, (profile->lang == ESSL) ? 1 : profile->id
, (profile->lang == ShadingLang::ESSL) ? 1 : profile->id
);
char hlslDefine[128];
if (profile->lang == HLSL)
if (profile->lang == ShadingLang::HLSL)
{
bx::snprintf(hlslDefine, BX_COUNTOF(hlslDefine)
, "BGFX_SHADER_LANGUAGE_HLSL=%d"
@ -1084,7 +1127,7 @@ namespace bgfx
else if (0 == bx::strCmpI(platform, "ios") )
{
preprocessor.setDefine("BX_PLATFORM_IOS=1");
if (profile->lang == Metal)
if (profile->lang == ShadingLang::Metal)
{
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_METAL=1");
}
@ -1096,7 +1139,7 @@ namespace bgfx
else if (0 == bx::strCmpI(platform, "linux") )
{
preprocessor.setDefine("BX_PLATFORM_LINUX=1");
if (profile->lang == Spirv)
if (profile->lang == ShadingLang::SpirV)
{
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
}
@ -1108,27 +1151,32 @@ namespace bgfx
else if (0 == bx::strCmpI(platform, "osx") )
{
preprocessor.setDefine("BX_PLATFORM_OSX=1");
if (profile->lang != Metal)
if (profile->lang != ShadingLang::Metal)
{
preprocessor.setDefine(glslDefine);
}
char temp[256];
bx::snprintf(temp, sizeof(temp), "BGFX_SHADER_LANGUAGE_METAL=%d", (profile->lang == Metal) ? profile->id : 0);
bx::snprintf(
temp
, sizeof(temp)
, "BGFX_SHADER_LANGUAGE_METAL=%d"
, (profile->lang == ShadingLang::Metal) ? profile->id : 0
);
preprocessor.setDefine(temp);
}
else if (0 == bx::strCmpI(platform, "windows") )
{
preprocessor.setDefine("BX_PLATFORM_WINDOWS=1");
if (profile->lang == HLSL)
if (profile->lang == ShadingLang::HLSL)
{
preprocessor.setDefine(hlslDefine);
}
else if (profile->lang == GLSL
|| profile->lang == ESSL)
else if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
preprocessor.setDefine(glslDefine);
}
else if (profile->lang == Spirv)
else if (profile->lang == ShadingLang::SpirV)
{
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
}
@ -1141,16 +1189,16 @@ namespace bgfx
}
else
{
if (profile->lang == HLSL)
if (profile->lang == ShadingLang::HLSL)
{
preprocessor.setDefine(hlslDefine);
}
else if (profile->lang == GLSL
|| profile->lang == ESSL)
else if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
preprocessor.setDefine(glslDefine);
}
else if (profile->lang == Spirv)
else if (profile->lang == ShadingLang::SpirV)
{
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_SPIRV=1");
}
@ -1216,8 +1264,8 @@ namespace bgfx
|| 0 == bx::strCmp(typen, "centroid", 8) )
{
if ('f' == _options.shaderType
|| profile->lang == GLSL
|| profile->lang == ESSL)
|| profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
interpolation = typen;
usesInterpolationQualifiers = true;
@ -1262,7 +1310,8 @@ namespace bgfx
var.m_name.assign(name.getPtr(), name.getTerm() );
var.m_semantics.assign(semantics.getPtr(), semantics.getTerm() );
if ((profile->lang == HLSL && profile->id < 400)
if (profile->lang == ShadingLang::HLSL
&& profile->id < 400
&& var.m_semantics == "BITANGENT")
{
var.m_semantics = "BINORMAL";
@ -1394,7 +1443,7 @@ namespace bgfx
if (raw)
{
if (profile->lang == GLSL)
if (profile->lang == ShadingLang::GLSL)
{
bx::write(_writer, uint16_t(0) );
@ -1405,7 +1454,7 @@ namespace bgfx
compiled = true;
}
else if (profile->lang == PSSL)
else if (profile->lang == ShadingLang::PSSL)
{
compiled = compilePSSLShader(_options, 0, input, _writer);
}
@ -1423,13 +1472,13 @@ namespace bgfx
}
else
{
if (profile->lang == GLSL
|| profile->lang == ESSL)
if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
}
else
{
if (profile->lang != PSSL)
if (profile->lang != ShadingLang::PSSL)
{
preprocessor.writef(getPsslPreamble() );
}
@ -1517,16 +1566,20 @@ namespace bgfx
bx::write(_writer, uint32_t(0) );
bx::write(_writer, outputHash);
if (profile->lang == GLSL
|| profile->lang == ESSL)
if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
if (profile->lang == ESSL)
if (profile->lang == ShadingLang::ESSL)
{
bx::stringPrintf(code, "#version 310 es\n");
}
else
{
bx::stringPrintf(code, "#version %d\n", (profile->lang != GLSL) ? 430 : profile->id);
bx::stringPrintf(
code
, "#version %d\n"
, (profile->lang != ShadingLang::GLSL) ? 430 : profile->id
);
}
#if 1
@ -1552,15 +1605,15 @@ namespace bgfx
code += _comment;
code += preprocessor.m_preprocessed;
if (profile->lang == Metal)
if (profile->lang == ShadingLang::Metal)
{
compiled = compileMetalShader(_options, BX_MAKEFOURCC('M', 'T', 'L', 0), code, _writer);
}
else if (profile->lang == Spirv)
else if (profile->lang == ShadingLang::SpirV)
{
compiled = compileSPIRVShader(_options, profile->id, code, _writer);
}
else if (profile->lang == PSSL)
else if (profile->lang == ShadingLang::PSSL)
{
compiled = compilePSSLShader(_options, 0, code, _writer);
}
@ -1598,10 +1651,11 @@ namespace bgfx
}
else
{
if (profile->lang == GLSL
|| profile->lang == ESSL)
if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
if(profile->lang != ESSL) {
if (profile->lang != ShadingLang::ESSL)
{
// bgfx shadow2D/Proj behave like EXT_shadow_samplers
// not as GLSL language 1.2 specs shadow2D/Proj.
preprocessor.writef(
@ -1611,7 +1665,8 @@ namespace bgfx
}
// gl_FragColor and gl_FragData are deprecated for essl > 300
if((profile->lang == ESSL) && (profile->id >= 300))
if (profile->lang == ShadingLang::ESSL
&& profile->id >= 300)
{
const bool hasFragColor = !bx::strFind(input, "gl_FragColor").isEmpty();
bool hasFragData[8] = {};
@ -1623,11 +1678,13 @@ namespace bgfx
hasFragData[ii] = !bx::strFind(input, temp).isEmpty();
numFragData += hasFragData[ii];
}
if(hasFragColor) {
if (hasFragColor)
{
preprocessor.writef("#define gl_FragColor bgfx_FragData0\n");
preprocessor.writef("out mediump vec4 bgfx_FragData0;\n");
}
else if(numFragData) {
else if (numFragData)
{
preprocessor.writef("#define gl_FragData bgfx_FragData\n");
preprocessor.writef("out mediump vec4 bgfx_FragData[gl_MaxDrawBuffers];\n");
}
@ -1681,7 +1738,7 @@ namespace bgfx
}
else
{
if (profile->lang == PSSL)
if (profile->lang == ShadingLang::PSSL)
{
preprocessor.writef(getPsslPreamble() );
}
@ -1704,7 +1761,7 @@ namespace bgfx
"#define mat4 float4x4\n"
);
if (profile->lang == HLSL
if (profile->lang == ShadingLang::HLSL
&& profile->id < 400)
{
preprocessor.writef(
@ -2058,8 +2115,8 @@ namespace bgfx
bx::write(_writer, outputHash);
}
if (profile->lang == GLSL
|| profile->lang == ESSL)
if (profile->lang == ShadingLang::GLSL
|| profile->lang == ShadingLang::ESSL)
{
const bx::StringView preprocessedInput(preprocessor.m_preprocessed.c_str() );
uint32_t glsl_profile = profile->id;
@ -2074,10 +2131,13 @@ namespace bgfx
) )
)
{
if((profile->lang == GLSL) && (glsl_profile < 430)) {
if (profile->lang == ShadingLang::GLSL
&& glsl_profile < 430)
{
glsl_profile = 430;
}
else if(glsl_profile < 310) {
else if (glsl_profile < 310)
{
glsl_profile = 310;
}
}
@ -2102,7 +2162,7 @@ namespace bgfx
const bool usesPacking = !bx::findIdentifierMatch(input, s_ARB_shading_language_packing).isEmpty();
const bool usesViewportLayerArray = !bx::findIdentifierMatch(input, s_ARB_shader_viewport_layer_array).isEmpty();
if (profile->lang != ESSL)
if (profile->lang != ShadingLang::ESSL)
{
const bool need130 = (120 == glsl_profile && (false
|| !bx::findIdentifierMatch(input, s_130).isEmpty()
@ -2379,8 +2439,8 @@ namespace bgfx
);
}
if ( ((profile->lang == GLSL) && (glsl_profile > 400))
|| ((profile->lang == ESSL) && (glsl_profile > 300)) )
if ( (profile->lang == ShadingLang::GLSL && glsl_profile > 400)
|| (profile->lang == ShadingLang::ESSL && glsl_profile > 300) )
{
code += preprocessor.m_preprocessed;
@ -2398,9 +2458,11 @@ namespace bgfx
code += _comment;
code += preprocessor.m_preprocessed;
if(profile->lang == ESSL) {
if (profile->lang == ShadingLang::ESSL)
{
glsl_profile |= 0x80000000;
}
compiled = compileGLSLShader(_options, glsl_profile, code, _writer);
}
}
@ -2409,15 +2471,15 @@ namespace bgfx
code += _comment;
code += preprocessor.m_preprocessed;
if (profile->lang == Metal)
if (profile->lang == ShadingLang::Metal)
{
compiled = compileMetalShader(_options, BX_MAKEFOURCC('M', 'T', 'L', 0), code, _writer);
}
else if (profile->lang == Spirv)
else if (profile->lang == ShadingLang::SpirV)
{
compiled = compileSPIRVShader(_options, profile->id, code, _writer);
}
else if (profile->lang == PSSL)
else if (profile->lang == ShadingLang::PSSL)
{
compiled = compilePSSLShader(_options, 0, code, _writer);
}