#include <msp/core/algorithm.h>
+#include <msp/core/hash.h>
#include <msp/core/raii.h>
#include <msp/strings/lexicalcast.h>
#include "finalize.h"
#include "glsl_error.h"
+#include "reflect.h"
using namespace std;
namespace GL {
namespace SL {
-PrecisionConverter::PrecisionConverter():
- stage(0)
-{ }
+void StructOrganizer::visit(StructDeclaration &strct)
+{
+ SetForScope<int> set_offset(offset, 0);
+ TraversingVisitor::visit(strct);
+}
+
+void StructOrganizer::visit(VariableDeclaration &var)
+{
+ if(offset>=0)
+ {
+ int *layout_offset = 0;
+ bool has_matrix_order = false;
+ if(var.layout)
+ {
+ for(Layout::Qualifier &q: var.layout->qualifiers)
+ {
+ if(q.name=="offset" && q.has_value)
+ {
+ layout_offset = &q.value;
+ if(q.value>=offset)
+ offset = q.value;
+ }
+ else if(q.name=="column_major" || q.name=="row_major")
+ has_matrix_order = true;
+ }
+ }
+
+ MemoryRequirementsCalculator::Result mem_reqs = MemoryRequirementsCalculator().apply(var);
+ offset += mem_reqs.alignment-1;
+ offset -= offset%mem_reqs.alignment;
+
+ if(layout_offset)
+ *layout_offset = offset;
+ else
+ {
+ if(!var.layout)
+ var.layout = new Layout;
+
+ var.layout->qualifiers.push_back(Layout::Qualifier("offset", offset));
+ }
+
+ if(!has_matrix_order)
+ {
+ const BasicTypeDeclaration *basic = dynamic_cast<const BasicTypeDeclaration *>(var.type_declaration);
+ while(basic && basic->kind==BasicTypeDeclaration::ARRAY)
+ basic = dynamic_cast<const BasicTypeDeclaration *>(basic->base_type);
+ if(basic && basic->kind==BasicTypeDeclaration::MATRIX)
+ var.layout->qualifiers.push_back(Layout::Qualifier("column_major"));
+ }
+
+ offset += mem_reqs.size;
+ }
+}
+
+
+void LocationAllocator::apply(Module &module, const Features &features)
+{
+ for(Stage &s: module.stages)
+ apply(s);
+ allocate_locations("uniform");
+
+ for(InterfaceBlock *b: unbound_blocks)
+ bind_uniform(b->layout, b->block_name, features.uniform_binding_range);
+ for(VariableDeclaration *t: unbound_textures)
+ bind_uniform(t->layout, t->name, features.texture_binding_range);
+}
+
+void LocationAllocator::apply(Stage &stage)
+{
+ swap(used_locations["in"], used_locations["out"]);
+ used_locations["out"].clear();
+
+ stage.content.visit(*this);
+
+ allocate_locations("in");
+ allocate_locations("out");
+}
+
+void LocationAllocator::allocate_locations(const string &iface)
+{
+ auto write = unplaced_variables.begin();
+ unsigned next = 0;
+ for(auto i=unplaced_variables.begin(); i!=unplaced_variables.end(); ++i)
+ {
+ if((*i)->interface!=iface)
+ {
+ if(write!=i)
+ *write = *i;
+ ++write;
+ continue;
+ }
+
+ if((*i)->interface=="uniform")
+ {
+ auto j = uniforms.find((*i)->name);
+ if(j!=uniforms.end() && j->second.location>=0)
+ {
+ add_layout_value((*i)->layout, "location", j->second.location);
+ continue;
+ }
+ }
+
+ set<unsigned> &used = used_locations[(*i)->interface];
+
+ unsigned size = LocationCounter().apply(**i);
+ while(1)
+ {
+ int blocking = -1;
+ for(unsigned j=0; j<size; ++j)
+ if(used.count(next+j))
+ blocking = next+j;
+ if(blocking<0)
+ break;
+ next = blocking+1;
+ }
+
+ add_layout_value((*i)->layout, "location", next);
+ if((*i)->interface=="uniform")
+ uniforms[(*i)->name].location = next;
+
+ for(unsigned j=0; j<size; ++j)
+ used.insert(next+j);
+ next += size;
+ }
+
+ unplaced_variables.erase(write, unplaced_variables.end());
+}
+
+void LocationAllocator::bind_uniform(RefPtr<Layout> &layout, const string &name, unsigned range)
+{
+ auto i = uniforms.find(name);
+ if(i!=uniforms.end() && i->second.bind_point>=0)
+ add_layout_value(layout, "binding", i->second.bind_point);
+ else
+ {
+ set<unsigned> &used = used_bindings[0];
+
+ unsigned bind_point = fold32(hash64(name))%range;
+ while(used.count(bind_point))
+ bind_point = (bind_point+1)%range;
+
+ add_layout_value(layout, "binding", bind_point);
+ uniforms[name].bind_point = bind_point;
+ used.insert(bind_point);
+ }
+}
+
+void LocationAllocator::add_layout_value(RefPtr<Layout> &layout, const string &name, unsigned value)
+{
+ if(!layout)
+ layout = new Layout;
+
+ layout->qualifiers.push_back(Layout::Qualifier(name, value));
+}
+
+void LocationAllocator::visit(VariableDeclaration &var)
+{
+ if(!var.name.compare(0, 3, "gl_"))
+ return;
+
+ if(!var.interface.empty())
+ {
+ int location = (var.layout ? get_layout_value(*var.layout, "location") : -1);
+
+ if(location<0 && var.linked_declaration && var.linked_declaration->layout)
+ {
+ location = get_layout_value(*var.linked_declaration->layout, "location");
+ if(location>=0)
+ add_layout_value(var.layout, "location", location);
+ }
+
+ if(location>=0)
+ {
+ unsigned size = LocationCounter().apply(var);
+ for(unsigned i=0; i<size; ++i)
+ used_locations[var.interface].insert(location+i);
+ if(var.interface=="uniform")
+ uniforms[var.name].location = location;
+ }
+ else
+ unplaced_variables.push_back(&var);
+ }
+
+ if(var.interface=="uniform")
+ {
+ const TypeDeclaration *type = var.type_declaration;
+ while(const BasicTypeDeclaration *basic = dynamic_cast<const BasicTypeDeclaration *>(type))
+ type = basic->base_type;
+ if(dynamic_cast<const ImageTypeDeclaration *>(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);
+ }
+ }
+}
+
+void LocationAllocator::visit(InterfaceBlock &iface)
+{
+ if(!iface.instance_name.compare(0, 3, "gl_"))
+ return;
+
+ if(iface.interface=="uniform")
+ {
+ int bind_point = (iface.layout ? get_layout_value(*iface.layout, "binding") : -1);
+
+ if(bind_point>=0)
+ {
+ used_bindings[0].insert(bind_point);
+ uniforms[iface.block_name].bind_point = bind_point;
+ }
+ else
+ unbound_blocks.push_back(&iface);
+ }
+}
+
void PrecisionConverter::apply(Stage &s)
{
void PrecisionConverter::visit(Block &block)
{
- for(NodeList<Statement>::iterator i=block.body.begin(); i!=block.body.end(); ++i)
+ for(auto i=block.body.begin(); i!=block.body.end(); ++i)
{
if(&block==&stage->content)
insert_point = i;
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);
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;
}
-LegacyConverter::LegacyConverter():
- frag_out(0)
-{ }
-
void LegacyConverter::apply(Stage &s, const Features &feat)
{
stage = &s;
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));
+ stage->required_features.glsl_version = Version(1, (stage->required_features.target_api==OPENGL_ES ? 0 : 10));
}
else
unsupported(format("Stage %s is not supported", Stage::get_stage_name(s.type)));
void LegacyConverter::visit(Block &block)
{
- for(NodeList<Statement>::iterator i=block.body.begin(); i!=block.body.end(); ++i)
+ for(auto i=block.body.begin(); i!=block.body.end(); ++i)
{
if(&block==&stage->content)
uniform_insert_point = i;
{
if(st==Stage::GEOMETRY)
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 20));
else
return check_version(Version(1, 50));
bool LegacyConverter::supports_unified_interface_syntax() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 0));
else
return check_version(Version(1, 30));
bool LegacyConverter::supports_unified_sampling_functions() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 0));
else
return check_version(Version(1, 30));
bool LegacyConverter::supports_interface_layouts() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 0));
else if(check_version(Version(3, 30)))
return true;
bool LegacyConverter::supports_stage_interface_layouts() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 10));
else if(check_version(Version(4, 10)))
return true;
bool LegacyConverter::supports_centroid_sampling() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 0));
else if(check_version(Version(1, 20)))
return true;
bool LegacyConverter::supports_sample_sampling() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 20));
else if(check_version(Version(4, 0)))
return true;
bool LegacyConverter::supports_uniform_location() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 10));
else if(check_version(Version(4, 30)))
return true;
return check_extension(&Features::arb_explicit_uniform_location);
}
+bool LegacyConverter::supports_binding() const
+{
+ if(features.target_api==OPENGL_ES)
+ return check_version(Version(3, 10));
+ else
+ return check_version(Version(4, 20));
+}
+
void LegacyConverter::visit(VariableDeclaration &var)
{
if(var.layout)
{
- for(vector<Layout::Qualifier>::const_iterator i=var.layout->qualifiers.begin(); i!=var.layout->qualifiers.end(); )
+ for(auto i=var.layout->qualifiers.begin(); i!=var.layout->qualifiers.end(); )
{
if(i->name=="location")
{
else
++i;
}
+ else if(i->name=="binding" && !supports_binding())
+ {
+ const TypeDeclaration *type = var.type_declaration;
+ while(const BasicTypeDeclaration *basic = dynamic_cast<const BasicTypeDeclaration *>(type))
+ type = basic->base_type;
+ if(dynamic_cast<const ImageTypeDeclaration *>(type))
+ stage->texture_bindings[var.name] = i->value;
+
+ i = var.layout->qualifiers.erase(i);
+ }
else
++i;
}
bool LegacyConverter::supports_interface_blocks(const string &iface) const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
{
if(iface=="uniform")
return check_version(Version(3, 0));
bool LegacyConverter::supports_interface_block_location() const
{
- if(features.gl_api==OPENGL_ES2)
+ if(features.target_api==OPENGL_ES)
return check_version(Version(3, 20));
else if(check_version(Version(4, 40)))
return true;
{
if(iface.layout)
{
- for(vector<Layout::Qualifier>::const_iterator i=iface.layout->qualifiers.begin(); i!=iface.layout->qualifiers.end(); )
+ for(auto i=iface.layout->qualifiers.begin(); i!=iface.layout->qualifiers.end(); )
{
if(i->name=="location" && !supports_interface_block_location())
i = iface.layout->qualifiers.erase(i);
+ else if(i->name=="binding" && !supports_binding())
+ {
+ stage->uniform_block_bindings[iface.block_name] = i->value;
+ i = iface.layout->qualifiers.erase(i);
+ }
else
++i;
}
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