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GLSL 4.6: Implement draw parameters.

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This commit is contained in:
John Kessenich 2017-07-23 23:11:41 -06:00
parent 0d0c6d38f0
commit 941f3bbd7a
6 changed files with 80 additions and 12 deletions
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30
glslang/MachineIndependent/Initialize.cpp
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@ -3416,6 +3416,13 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"in int gl_DrawIDARB;"
);
}
if (version >= 460) {
stageBuiltins[EShLangVertex].append(
"in int gl_BaseVertex;"
"in int gl_BaseInstance;"
"in int gl_DrawID;"
);
}
#ifdef NV_EXTENSIONS
if (version >= 450)
@ -5230,16 +5237,19 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
switch(language) {
case EShLangVertex:
if (profile != EEsProfile) {
symbolTable.setVariableExtensions("gl_BaseVertexARB", 1, &E_GL_ARB_shader_draw_parameters);
symbolTable.setVariableExtensions("gl_BaseInstanceARB", 1, &E_GL_ARB_shader_draw_parameters);
symbolTable.setVariableExtensions("gl_DrawIDARB", 1, &E_GL_ARB_shader_draw_parameters);
BuiltInVariable("gl_BaseVertexARB", EbvBaseVertex, symbolTable);
BuiltInVariable("gl_BaseInstanceARB", EbvBaseInstance, symbolTable);
BuiltInVariable("gl_DrawIDARB", EbvDrawId, symbolTable);
}
if (profile != EEsProfile) {
if (version >= 440) {
symbolTable.setVariableExtensions("gl_BaseVertexARB", 1, &E_GL_ARB_shader_draw_parameters);
symbolTable.setVariableExtensions("gl_BaseInstanceARB", 1, &E_GL_ARB_shader_draw_parameters);
symbolTable.setVariableExtensions("gl_DrawIDARB", 1, &E_GL_ARB_shader_draw_parameters);
BuiltInVariable("gl_BaseVertexARB", EbvBaseVertex, symbolTable);
BuiltInVariable("gl_BaseInstanceARB", EbvBaseInstance, symbolTable);
BuiltInVariable("gl_DrawIDARB", EbvDrawId, symbolTable);
}
if (version >= 460) {
BuiltInVariable("gl_BaseVertex", EbvBaseVertex, symbolTable);
BuiltInVariable("gl_BaseInstance", EbvBaseInstance, symbolTable);
BuiltInVariable("gl_DrawID", EbvDrawId, symbolTable);
}
symbolTable.setVariableExtensions("gl_SubGroupSizeARB", 1, &E_GL_ARB_shader_ballot);
symbolTable.setVariableExtensions("gl_SubGroupInvocationARB", 1, &E_GL_ARB_shader_ballot);
symbolTable.setVariableExtensions("gl_SubGroupEqMaskARB", 1, &E_GL_ARB_shader_ballot);