X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Ffinalize.cpp;h=864a128b9230543913a629ff25e4b031af4981aa;hb=3fe1aab63922eec99d8bf6fd4fd60bec10df173c;hp=eee8a5198efa8b2037848bcc7a34bd8cd0d333ff;hpb=e9a898f315b5d1396f196d785913a283c30940f2;p=libs%2Fgl.git diff --git a/source/glsl/finalize.cpp b/source/glsl/finalize.cpp index eee8a519..864a128b 100644 --- a/source/glsl/finalize.cpp +++ b/source/glsl/finalize.cpp @@ -12,10 +12,6 @@ namespace Msp { namespace GL { namespace SL { -StructOrganizer::StructOrganizer(): - offset(-1) -{ } - void StructOrganizer::visit(StructDeclaration &strct) { SetForScope set_offset(offset, 0); @@ -75,7 +71,9 @@ void LocationAllocator::apply(Module &module, const Features &features) { for(Stage &s: module.stages) apply(s); - allocate_locations("uniform"); + + if(features.target_api!=VULKAN) + allocate_locations("uniform"); for(InterfaceBlock *b: unbound_blocks) bind_uniform(b->layout, b->block_name, features.uniform_binding_range); @@ -171,6 +169,17 @@ void LocationAllocator::add_layout_value(RefPtr &layout, const string &n layout->qualifiers.push_back(Layout::Qualifier(name, value)); } +bool LocationAllocator::visit_uniform(const string &name, RefPtr &layout) +{ + int bind_point = (layout ? get_layout_value(*layout, "binding") : -1); + if(bind_point>=0) + { + used_bindings[0].insert(bind_point); + uniforms[name].bind_point = bind_point; + } + return bind_point>=0; +} + void LocationAllocator::visit(VariableDeclaration &var) { if(!var.name.compare(0, 3, "gl_")) @@ -204,17 +213,8 @@ void LocationAllocator::visit(VariableDeclaration &var) const TypeDeclaration *type = var.type_declaration; while(const BasicTypeDeclaration *basic = dynamic_cast(type)) type = basic->base_type; - if(dynamic_cast(type)) - { - int bind_point = (var.layout ? get_layout_value(*var.layout, "binding") : -1); - if(bind_point>=0) - { - used_bindings[0].insert(bind_point); - uniforms[var.name].bind_point = bind_point; - } - else - unbound_textures.push_back(&var); - } + if(dynamic_cast(type) && !visit_uniform(var.name, var.layout)) + unbound_textures.push_back(&var); } } @@ -225,23 +225,19 @@ void LocationAllocator::visit(InterfaceBlock &iface) if(iface.interface=="uniform") { - int bind_point = (iface.layout ? get_layout_value(*iface.layout, "binding") : -1); - - if(bind_point>=0) + bool push_constant = false; + if(iface.layout) { - used_bindings[0].insert(bind_point); - uniforms[iface.block_name].bind_point = bind_point; + auto i = find_member(iface.layout->qualifiers, string("push_constant"), &Layout::Qualifier::name); + push_constant = (i!=iface.layout->qualifiers.end()); } - else + + if(!push_constant && !visit_uniform(iface.block_name, iface.layout)) unbound_blocks.push_back(&iface); } } -PrecisionConverter::PrecisionConverter(): - stage(0) -{ } - void PrecisionConverter::apply(Stage &s) { stage = &s; @@ -261,7 +257,7 @@ void PrecisionConverter::visit(Block &block) void PrecisionConverter::visit(Precision &prec) { - if(stage->required_features.gl_api==OPENGL_ES2) + if(stage->required_features.target_api==OPENGL_ES) have_default.insert(prec.type); else nodes_to_remove.insert(&prec); @@ -269,7 +265,7 @@ void PrecisionConverter::visit(Precision &prec) void PrecisionConverter::visit(VariableDeclaration &var) { - if(stage->required_features.gl_api!=OPENGL_ES2) + if(stage->required_features.target_api!=OPENGL_ES) { var.precision.clear(); return; @@ -308,27 +304,18 @@ void PrecisionConverter::visit(VariableDeclaration &var) } -LegacyConverter::LegacyConverter(): - frag_out(0) -{ } - -void LegacyConverter::apply(Stage &s, const Features &feat) +void FeatureConverter::apply(Stage &s, const Features &feat) { stage = &s; features = feat; - if(supports_stage(s.type)) - { - s.content.visit(*this); - NodeRemover().apply(s, nodes_to_remove); - if(!stage->required_features.glsl_version) - stage->required_features.glsl_version = Version(1, (stage->required_features.gl_api==OPENGL_ES2 ? 0 : 10)); - } - else - unsupported(format("Stage %s is not supported", Stage::get_stage_name(s.type))); + if(!stage->required_features.glsl_version) + stage->required_features.glsl_version = Version(1, (stage->required_features.target_api==OPENGL_ES ? 0 : 10)); + + apply(); } -void LegacyConverter::unsupported(const string &reason) +void FeatureConverter::unsupported(const string &reason) { Diagnostic diagnostic; diagnostic.severity = Diagnostic::ERR; @@ -338,17 +325,7 @@ void LegacyConverter::unsupported(const string &reason) stage->diagnostics.push_back(diagnostic); } -void LegacyConverter::visit(Block &block) -{ - for(auto i=block.body.begin(); i!=block.body.end(); ++i) - { - if(&block==&stage->content) - uniform_insert_point = i; - (*i)->visit(*this); - } -} - -bool LegacyConverter::check_version(const Version &feature_version) const +bool FeatureConverter::check_version(const Version &feature_version) const { if(features.glsl_versiontype)) + { + stage->content.visit(*this); + NodeRemover().apply(*stage, nodes_to_remove); + } + else + unsupported(format("Stage %s is not supported", Stage::get_stage_name(stage->type))); +} + +void StructuralFeatureConverter::visit(Block &block) +{ + for(auto i=block.body.begin(); i!=block.body.end(); ++i) + { + if(&block==&stage->content) + uniform_insert_point = i; + (*i)->visit(*this); + } +} + +void StructuralFeatureConverter::visit(RefPtr &expr) +{ + r_replaced_reference = 0; + expr->visit(*this); + if(r_replaced_reference) + expr = r_replaced_reference; + r_replaced_reference = 0; +} + +bool StructuralFeatureConverter::supports_stage(Stage::Type st) const { if(st==Stage::GEOMETRY) { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 20)); else return check_version(Version(1, 50)); @@ -381,15 +391,17 @@ bool LegacyConverter::supports_stage(Stage::Type st) const return true; } -bool LegacyConverter::supports_unified_interface_syntax() const +bool StructuralFeatureConverter::supports_unified_interface_syntax() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 0)); else return check_version(Version(1, 30)); } -void LegacyConverter::visit(VariableReference &var) +void StructuralFeatureConverter::visit(VariableReference &var) { if(var.declaration==frag_out && !supports_unified_interface_syntax()) { @@ -398,22 +410,41 @@ void LegacyConverter::visit(VariableReference &var) } } -void LegacyConverter::visit(Assignment &assign) +void StructuralFeatureConverter::visit(InterfaceBlockReference &iface) +{ + r_flattened_interface = nodes_to_remove.count(iface.declaration); +} + +void StructuralFeatureConverter::visit(MemberAccess &memacc) +{ + r_flattened_interface = false; + visit(memacc.left); + if(r_flattened_interface) + { + VariableReference *var = new VariableReference; + var->name = memacc.member; + r_replaced_reference = var; + } +} + +void StructuralFeatureConverter::visit(Assignment &assign) { TraversingVisitor::visit(assign); if(assign.target.declaration==frag_out && !supports_unified_interface_syntax()) assign.target.declaration = 0; } -bool LegacyConverter::supports_unified_sampling_functions() const +bool StructuralFeatureConverter::supports_unified_sampling_functions() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 0)); else return check_version(Version(1, 30)); } -void LegacyConverter::visit(FunctionCall &call) +void StructuralFeatureConverter::visit(FunctionCall &call) { if(call.declaration && call.declaration->source==BUILTIN_SOURCE) { @@ -450,9 +481,77 @@ void LegacyConverter::visit(FunctionCall &call) TraversingVisitor::visit(call); } -bool LegacyConverter::supports_interface_layouts() const +void StructuralFeatureConverter::visit(VariableDeclaration &var) +{ + if((var.interface=="in" || var.interface=="out") && !supports_unified_interface_syntax()) + if(stage->type==Stage::FRAGMENT && var.interface=="out") + { + frag_out = &var; + nodes_to_remove.insert(&var); + } + + TraversingVisitor::visit(var); +} + +bool StructuralFeatureConverter::supports_interface_blocks(const string &iface) const +{ + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) + { + if(iface=="uniform") + return check_version(Version(3, 0)); + else + return check_version(Version(3, 20)); + } + else if(check_version(Version(1, 50))) + return true; + else if(iface=="uniform") + return check_extension(&Features::arb_uniform_buffer_object); + else + return false; +} + +void StructuralFeatureConverter::visit(InterfaceBlock &iface) { - if(features.gl_api==OPENGL_ES2) + bool push_constant = false; + if(iface.layout) + { + auto i = find_member(iface.layout->qualifiers, string("push_constant"), &Layout::Qualifier::name); + push_constant = (i!=iface.layout->qualifiers.end()); + } + + if((!supports_interface_blocks(iface.interface) || (push_constant && features.target_api!=VULKAN)) && iface.type_declaration) + { + if(!iface.instance_name.empty()) + unsupported("ARB_uniform_buffer_object required for interface block instances"); + else if(iface.struct_declaration) + { + for(const RefPtr &s: iface.struct_declaration->members.body) + if(VariableDeclaration *var = dynamic_cast(s.get())) + var->interface = iface.interface; + stage->content.body.splice(uniform_insert_point, iface.struct_declaration->members.body); + nodes_to_remove.insert(&iface); + nodes_to_remove.insert(iface.struct_declaration); + } + else + /* If the interface block is an array, it should have an instance + name too, so this should never be reached */ + throw logic_error("Unexpected interface block configuration"); + } +} + + +void QualifierConverter::apply() +{ + stage->content.visit(*this); +} + +bool QualifierConverter::supports_interface_layouts() const +{ + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 0)); else if(check_version(Version(3, 30))) return true; @@ -462,9 +561,11 @@ bool LegacyConverter::supports_interface_layouts() const return false; } -bool LegacyConverter::supports_stage_interface_layouts() const +bool QualifierConverter::supports_stage_interface_layouts() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 10)); else if(check_version(Version(4, 10))) return true; @@ -472,9 +573,11 @@ bool LegacyConverter::supports_stage_interface_layouts() const return check_extension(&Features::arb_separate_shader_objects); } -bool LegacyConverter::supports_centroid_sampling() const +bool QualifierConverter::supports_centroid_sampling() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 0)); else if(check_version(Version(1, 20))) return true; @@ -482,9 +585,11 @@ bool LegacyConverter::supports_centroid_sampling() const return check_extension(&Features::ext_gpu_shader4); } -bool LegacyConverter::supports_sample_sampling() const +bool QualifierConverter::supports_sample_sampling() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 20)); else if(check_version(Version(4, 0))) return true; @@ -492,9 +597,11 @@ bool LegacyConverter::supports_sample_sampling() const return check_extension(&Features::arb_gpu_shader5); } -bool LegacyConverter::supports_uniform_location() const +bool QualifierConverter::supports_uniform_location() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 10)); else if(check_version(Version(4, 30))) return true; @@ -502,15 +609,17 @@ bool LegacyConverter::supports_uniform_location() const return check_extension(&Features::arb_explicit_uniform_location); } -bool LegacyConverter::supports_binding() const +bool QualifierConverter::supports_binding() const { - if(features.gl_api==OPENGL_ES2) + if(features.target_api==VULKAN) + return true; + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 10)); else return check_version(Version(4, 20)); } -void LegacyConverter::visit(VariableDeclaration &var) +void QualifierConverter::visit(VariableDeclaration &var) { if(var.layout) { @@ -577,38 +686,18 @@ void LegacyConverter::visit(VariableDeclaration &var) var.sampling = string(); } - if((var.interface=="in" || var.interface=="out") && !supports_unified_interface_syntax()) - { - if(stage->type==Stage::FRAGMENT && var.interface=="out") - { - frag_out = &var; - nodes_to_remove.insert(&var); - } - } + if(var.name=="gl_ClipDistance") + if(const Literal *literal_size = dynamic_cast(var.array_size.get())) + stage->n_clip_distances = literal_size->value.value(); TraversingVisitor::visit(var); } -bool LegacyConverter::supports_interface_blocks(const string &iface) const +bool QualifierConverter::supports_interface_block_location() const { - if(features.gl_api==OPENGL_ES2) - { - if(iface=="uniform") - return check_version(Version(3, 0)); - else - return check_version(Version(3, 20)); - } - else if(check_version(Version(1, 50))) + if(features.target_api==VULKAN) return true; - else if(iface=="uniform") - return check_extension(&Features::arb_uniform_buffer_object); - else - return false; -} - -bool LegacyConverter::supports_interface_block_location() const -{ - if(features.gl_api==OPENGL_ES2) + else if(features.target_api==OPENGL_ES) return check_version(Version(3, 20)); else if(check_version(Version(4, 40))) return true; @@ -616,7 +705,7 @@ bool LegacyConverter::supports_interface_block_location() const return check_extension(&Features::arb_enhanced_layouts); } -void LegacyConverter::visit(InterfaceBlock &iface) +void QualifierConverter::visit(InterfaceBlock &iface) { if(iface.layout) { @@ -636,22 +725,6 @@ void LegacyConverter::visit(InterfaceBlock &iface) if(iface.layout->qualifiers.empty()) iface.layout = 0; } - - if(!supports_interface_blocks(iface.interface) && iface.type_declaration) - { - if(!iface.instance_name.empty()) - unsupported("ARB_uniform_buffer_object required for interface block instances"); - else if(iface.struct_declaration) - { - stage->content.body.splice(uniform_insert_point, iface.struct_declaration->members.body); - nodes_to_remove.insert(&iface); - nodes_to_remove.insert(iface.struct_declaration); - } - else - /* If the interface block is an array, it should have an instance - name too, so this should never be reached */ - throw logic_error("Unexpected interface block configuration"); - } } } // namespace SL