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SPV: 1st pass implementation of SPV_EXT_shader_viewport_index_layer.

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This commit is contained in:
John Kessenich
2017-08-11 13:07:17 -06:00
parent 1f312f9078
commit b41bff69d2
5 changed files with 10 additions and 12 deletions
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1
SPIRV/GLSL.ext.KHR.h
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@@ -43,5 +43,6 @@ static const char* const E_SPV_KHR_16bit_storage = "SPV_KHR_16bit
static const char* const E_SPV_KHR_storage_buffer_storage_class = "SPV_KHR_storage_buffer_storage_class";
static const char* const E_SPV_KHR_post_depth_coverage = "SPV_KHR_post_depth_coverage";
static const char* const E_SPV_EXT_shader_stencil_export = "SPV_EXT_shader_stencil_export";
static const char* const E_SPV_EXT_shader_viewport_index_layer = "SPV_EXT_shader_viewport_index_layer";
#endif // #ifndef GLSLextKHR_H

18
SPIRV/GlslangToSpv.cpp
View File

@@ -455,15 +455,13 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
case glslang::EbvViewportIndex:
if (!memberDeclaration) {
builder.addCapability(spv::CapabilityMultiViewport);
#ifdef NV_EXTENSIONS
if (glslangIntermediate->getStage() == EShLangVertex ||
glslangIntermediate->getStage() == EShLangTessControl ||
glslangIntermediate->getStage() == EShLangTessEvaluation) {
builder.addExtension(spv::E_SPV_NV_viewport_array2);
builder.addCapability(spv::CapabilityShaderViewportIndexLayerNV);
builder.addExtension(spv::E_SPV_EXT_shader_viewport_index_layer);
builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
}
#endif
}
return spv::BuiltInViewportIndex;
@@ -482,15 +480,13 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
case glslang::EbvLayer:
if (!memberDeclaration) {
builder.addCapability(spv::CapabilityGeometry);
#ifdef NV_EXTENSIONS
if (glslangIntermediate->getStage() == EShLangVertex ||
glslangIntermediate->getStage() == EShLangTessControl ||
glslangIntermediate->getStage() == EShLangTessEvaluation) {
builder.addExtension(spv::E_SPV_NV_viewport_array2);
builder.addCapability(spv::CapabilityShaderViewportIndexLayerNV);
builder.addExtension(spv::E_SPV_EXT_shader_viewport_index_layer);
builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
}
#endif
}
return spv::BuiltInLayer;
@@ -5475,14 +5471,12 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
}
else if (builtIn == spv::BuiltInLayer) {
// SPV_NV_viewport_array2 extension
if (symbol->getQualifier().layoutViewportRelative)
{
if (symbol->getQualifier().layoutViewportRelative) {
addDecoration(id, (spv::Decoration)spv::DecorationViewportRelativeNV);
builder.addCapability(spv::CapabilityShaderViewportMaskNV);
builder.addExtension(spv::E_SPV_NV_viewport_array2);
}
if(symbol->getQualifier().layoutSecondaryViewportRelativeOffset != -2048)
{
if (symbol->getQualifier().layoutSecondaryViewportRelativeOffset != -2048) {
addDecoration(id, (spv::Decoration)spv::DecorationSecondaryViewportRelativeNV, symbol->getQualifier().layoutSecondaryViewportRelativeOffset);
builder.addCapability(spv::CapabilityShaderStereoViewNV);
builder.addExtension(spv::E_SPV_NV_stereo_view_rendering);