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HLSL: Implement the register production.

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This commit is contained in:
John Kessenich 2016-07-29 14:28:39 -06:00
parent 82d6baf86f
commit 96e9f47cbb
51 changed files with 1009 additions and 852 deletions
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39
hlsl/hlslParseHelper.cpp
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@ -2135,7 +2135,7 @@ void HlslParseContext::handleSemantic(TType& type, const TString& semantic)
}
//
// Handle seeing something like ": packoffset( c[Subcomponent][.component] )"
// Handle seeing something like "PACKOFFSET LEFT_PAREN c[Subcomponent][.component] RIGHT_PAREN"
//
// 'location' has the "c[Subcomponent]" part.
// 'component' points to the "component" part, or nullptr if not present.
@ -2155,7 +2155,7 @@ void HlslParseContext::handlePackOffset(const TSourceLoc& loc, TType& type, cons
}
type.getQualifier().layoutOffset = 16 * atoi(location.substr(1, location.size()).c_str());
if (component) {
if (component != nullptr) {
int componentOffset = 0;
switch ((*component)[0]) {
case 'x': componentOffset = 0; break;
@ -2174,6 +2174,41 @@ void HlslParseContext::handlePackOffset(const TSourceLoc& loc, TType& type, cons
}
}
//
// Handle seeing something like "REGISTER LEFT_PAREN [shader_profile,] Type# RIGHT_PAREN"
//
// 'profile' points to the shader_profile part, or nullptr if not present.
// 'desc' is the type# part.
//
void HlslParseContext::handleRegister(const TSourceLoc& loc, TType& type, const glslang::TString* profile,
const glslang::TString& desc)
{
if (profile != nullptr)
warn(loc, "ignoring shader_profile", "register", "");
if (desc.size() < 2) {
error(loc, "expected register type and number", "register", "");
return;
}
if (! isdigit(desc[1])) {
error(loc, "expected register number after register type", "register", "");
return;
}
switch (desc[0]) {
case 'b':
case 't':
case 'c':
case 's':
type.getQualifier().layoutBinding = atoi(desc.substr(1, desc.size()).c_str());
break;
default:
warn(loc, "ignoring unrecognized register type", "register", "%c", desc[0]);
break;
}
}
//
// Same error message for all places assignments don't work.
//