X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fprogram.cpp;h=8ac13bbd0ce21454cb5af1b269dacc0fc6770205;hp=6cad69c4e322200b86b7f439f239e01113fa90ea;hb=HEAD;hpb=4c705a6fba590514bc3fab2a324c24fddc30cac6

diff --git a/source/core/program.cpp b/source/core/program.cpp
index 6cad69c4..91f21565 100644
--- a/source/core/program.cpp
+++ b/source/core/program.cpp
@@ -1,500 +1,291 @@
-#include <algorithm>
-#include <cstring>
-#include <set>
-#include <msp/core/hash.h>
-#include <msp/core/maputils.h>
-#include <msp/gl/extensions/arb_fragment_shader.h>
-#include <msp/gl/extensions/arb_geometry_shader4.h>
-#include <msp/gl/extensions/arb_shader_objects.h>
-#include <msp/gl/extensions/arb_uniform_buffer_object.h>
-#include <msp/gl/extensions/arb_vertex_shader.h>
-#include <msp/gl/extensions/ext_gpu_shader4.h>
-#include <msp/gl/extensions/nv_non_square_matrices.h>
-#include <msp/io/print.h>
-#include <msp/strings/format.h>
-#include "buffer.h"
+#include <msp/core/algorithm.h>
 #include "error.h"
-#include "misc.h"
-#include "module.h"
 #include "program.h"
-#include "resources.h"
-#include "shader.h"
-#include "glsl/compiler.h"
 
 using namespace std;
 
 namespace Msp {
 namespace GL {
 
-Program::Program()
-{
-	init();
-}
-
-Program::Program(const std::string &source)
-{
-	init();
-
-	Module mod;
-	mod.set_source(source);
-	add_stages(mod);
-
-	link();
-	module = 0;
-}
-
-Program::Program(const string &vert, const string &frag)
-{
-	init();
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-	attach_shader_owned(new VertexShader(vert));
-	attach_shader_owned(new FragmentShader(frag));
-#pragma GCC diagnostic pop
-	link();
-}
-
 Program::Program(const Module &mod, const map<string, int> &spec_values)
 {
-	init();
 	add_stages(mod, spec_values);
-	link();
 }
 
-void Program::init()
+Program::Program(Program &&other):
+	ProgramBackend(move(other)),
+	reflect_data(move(other.reflect_data)),
+	specialized_spirv(other.specialized_spirv)
 {
-	static Require _req(ARB_shader_objects);
-
-	id = glCreateProgram();
-	module = 0;
-	linked = false;
+	other.specialized_spirv = 0;
 }
 
 Program::~Program()
 {
-	for(vector<unsigned>::iterator i=stage_ids.begin(); i!=stage_ids.end(); ++i)
-		glDeleteShader(*i);
-	glDeleteProgram(id);
-}
-
-unsigned Program::add_stage(GLenum type)
-{
-	switch(type)
-	{
-	case GL_VERTEX_SHADER: { static Require _req(ARB_vertex_shader); } break;
-	case GL_GEOMETRY_SHADER: { static Require _req(ARB_geometry_shader4); } break;
-	case GL_FRAGMENT_SHADER: { static Require _req(ARB_fragment_shader); } break;
-	default: throw invalid_argument("Program::add_stage");
-	}
-
-	unsigned stage_id = glCreateShader(type);
-	stage_ids.push_back(stage_id);
-	glAttachShader(id, stage_id);
-
-	return stage_id;
+	delete specialized_spirv;
 }
 
 void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
 {
-	module = &mod;
-
-	SL::Compiler compiler;
-	compiler.set_source(module->get_prepared_source(), "<module>");
-	compiler.specialize(spec_values);
-	compiler.compile(SL::Compiler::PROGRAM);
-#ifdef DEBUG
-	string diagnostics = compiler.get_diagnostics();
-	if(!diagnostics.empty())
-		IO::print("Program diagnostics:\n%s\n", diagnostics);
-#endif
-
-	vector<SL::Stage::Type> stages = compiler.get_stages();
-	for(vector<SL::Stage::Type>::const_iterator i=stages.begin(); i!=stages.end(); ++i)
-	{
-		unsigned stage_id = 0;
-		switch(*i)
-		{
-		case SL::Stage::VERTEX: stage_id = add_stage(GL_VERTEX_SHADER); break;
-		case SL::Stage::GEOMETRY: stage_id = add_stage(GL_GEOMETRY_SHADER); break;
-		case SL::Stage::FRAGMENT: stage_id = add_stage(GL_FRAGMENT_SHADER); break;
-		default: throw invalid_operation("Program::add_glsl_stages");
-		}
-
-		string stage_src = compiler.get_stage_glsl(*i);
-		const char *src_ptr = stage_src.data();
-		int src_len = stage_src.size();
-		glShaderSource(stage_id, 1, &src_ptr, &src_len);
+	if(has_stages())
+		throw invalid_operation("Program::add_stages");
 
-		if(*i==SL::Stage::VERTEX)
-		{
-			const map<string, unsigned> &attribs = compiler.get_vertex_attributes();
-			for(map<string, unsigned>::const_iterator j=attribs.begin(); j!=attribs.end(); ++j)
-				glBindAttribLocation(id, j->second, j->first.c_str());
-		}
+	reflect_data = ReflectData();
+	const Module *final_module = &mod;
 
-		if(*i==SL::Stage::FRAGMENT && EXT_gpu_shader4)
+	switch(mod.get_format())
+	{
+	case Module::GLSL:
+		add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values);
+		break;
+	case Module::SPIR_V:
+		if(static_cast<const SpirVModule &>(mod).is_specializable())
 		{
-			const map<string, unsigned> &frag_outs = compiler.get_fragment_outputs();
-			for(map<string, unsigned>::const_iterator j=frag_outs.begin(); j!=frag_outs.end(); ++j)
-				glBindFragDataLocation(id, j->second, j->first.c_str());
+			specialized_spirv = static_cast<const SpirVModule &>(mod).specialize(spec_values);
+			final_module = specialized_spirv;
 		}
-
-		compile_stage(stage_id);
+		add_spirv_stages(*static_cast<const SpirVModule *>(final_module), spec_values);
+		break;
+	default:
+		throw invalid_argument("Program::add_stages");
 	}
-}
-
-void Program::compile_stage(unsigned stage_id)
-{
-	glCompileShader(stage_id);
-	bool compiled = get_shader_i(stage_id, GL_COMPILE_STATUS);
-
-	GLsizei info_log_len = get_shader_i(stage_id, GL_INFO_LOG_LENGTH);
-	string info_log(info_log_len+1, 0);
-	glGetShaderInfoLog(stage_id, info_log_len+1, &info_log_len, &info_log[0]);
-	info_log.erase(info_log_len);
-	if(module)
-		info_log = module->get_source_map().translate_errors(info_log);
-
-	if(!compiled)
-		throw compile_error(info_log);
-#ifdef DEBUG
-	if(!info_log.empty())
-		IO::print("Shader compile info log:\n%s", info_log);
-#endif
-}
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-void Program::attach_shader(Shader &shader)
-{
-	unsigned shader_id = shader.steal_id();
-	if(!shader_id)
-		throw invalid_argument("Program::attach_shader");
-	stage_ids.push_back(shader_id);
-	compile_stage(shader_id);
-}
-
-void Program::attach_shader_owned(Shader *shader)
-{
-	attach_shader(*shader);
-	delete shader;
-}
-
-void Program::detach_shader(Shader &)
-{
-}
 
-const vector<Shader *> &Program::get_attached_shaders() const
-{
-	static vector<Shader *> dummy;
-	return dummy;
-}
+	if(final_module->get_format()==Module::SPIR_V)
+	{
+		const SpirVModule &spirv_mod = *static_cast<const SpirVModule *>(final_module);
+		collect_uniforms(spirv_mod);
+		collect_attributes(spirv_mod);
+		collect_builtins(spirv_mod);
+
+		for(const SpirVModule::EntryPoint &e: spirv_mod.get_entry_points())
+			if(e.stage==SpirVModule::COMPUTE)
+				reflect_data.compute_wg_size = e.compute_local_size;
+	}
 
-void Program::bind_attribute(unsigned index, const string &name)
-{
-	static Require _req(ARB_vertex_shader);
-	glBindAttribLocation(id, index, name.c_str());
-}
+	finalize_uniforms();
 
-void Program::bind_attribute(VertexAttribute attr, const string &name)
-{
-	bind_attribute(get_attribute_semantic(attr), name);
-}
+	reflect_data.update_used_bindings();
 
-void Program::bind_fragment_data(unsigned index, const string &name)
-{
-	static Require _req(EXT_gpu_shader4);
-	glBindFragDataLocation(id, index, name.c_str());
+	for(const ReflectData::UniformInfo &u: reflect_data.uniforms)
+		require_type(u.type);
+	for(const ReflectData::AttributeInfo &a: reflect_data.attributes)
+		require_type(a.type);
 }
-#pragma GCC diagnostic pop
 
-void Program::link()
+void Program::collect_uniforms(const SpirVModule &mod)
 {
-	uniforms.clear();
-
-	glLinkProgram(id);
-	linked = get_program_i(id, GL_LINK_STATUS);
-
-	GLsizei info_log_len = get_program_i(id, GL_INFO_LOG_LENGTH);
-	string info_log(info_log_len+1, 0);
-	glGetProgramInfoLog(id, info_log_len+1, &info_log_len, &info_log[0]);
-	info_log.erase(info_log_len);
-	info_log = module->get_source_map().translate_errors(info_log);
-
-	if(!linked)
-		throw compile_error(info_log);
-#ifdef DEBUG
-	if(!info_log.empty())
-		IO::print("Program link info log:\n%s", info_log);
-#endif
-
-	query_uniforms();
-	query_attributes();
-
-	for(UniformMap::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
-		require_type(i->second.type);
-	for(AttributeMap::const_iterator i=attributes.begin(); i!=attributes.end(); ++i)
-		require_type(i->second.type);
-}
+	// Prepare the default block
+	reflect_data.uniform_blocks.emplace_back();
+	vector<vector<string> > block_uniform_names(1);
 
-void Program::require_type(GLenum t)
-{
-	switch(t)
+	for(const SpirVModule::Variable &v: mod.get_variables())
 	{
-	case GL_FLOAT_MAT2x3:
-	case GL_FLOAT_MAT2x4:
-	case GL_FLOAT_MAT3x2:
-	case GL_FLOAT_MAT3x4:
-	case GL_FLOAT_MAT4x2:
-	case GL_FLOAT_MAT4x3:
-		{ static Require _req(NV_non_square_matrices); }
-		break;
-	}
-}
-
-void Program::query_uniforms()
-{
-	unsigned count = get_program_i(id, GL_ACTIVE_UNIFORMS);
-	vector<UniformInfo *> uniforms_by_index(count);
-	for(unsigned i=0; i<count; ++i)
-	{
-		char name[128];
-		int len = 0;
-		int size;
-		GLenum type;
-		glGetActiveUniform(id, i, sizeof(name), &len, &size, &type, name);
-		if(len && strncmp(name, "gl_", 3))
+		if((v.storage==SpirVModule::UNIFORM || v.storage==SpirVModule::PUSH_CONSTANT) && v.struct_type)
 		{
-			/* Some implementations report the first element of a uniform array,
-			others report just the name of the array itself. */
-			if(len>3 && !strcmp(name+len-3, "[0]"))
-				name[len-3] = 0;
-
-			UniformInfo &info = uniforms[name];
-			info.block = 0;
-			info.name = name;
-			info.size = size;
-			info.array_stride = 0;
-			info.matrix_stride = 0;
-			info.type = type;
-			uniforms_by_index[i] = &info;
+			reflect_data.uniform_blocks.emplace_back();
+			ReflectData::UniformBlockInfo &info = reflect_data.uniform_blocks.back();
+			info.name = v.struct_type->name;
+			info.data_size = v.struct_type->size;
+			if(v.storage==SpirVModule::PUSH_CONSTANT)
+			{
+				info.bind_point = ReflectData::PUSH_CONSTANT;
+				reflect_data.push_constants_size = info.data_size;
+			}
+			else
+			{
+				if(v.binding>=0)
+					info.bind_point = v.binding | (v.descriptor_set<<20);
+				else
+					info.bind_point = ReflectData::DEFAULT_BLOCK;
+				reflect_data.n_descriptor_sets = max(reflect_data.n_descriptor_sets, v.descriptor_set+1);
+			}
+
+			string prefix;
+			if(!v.name.empty())
+				prefix = v.struct_type->name+".";
+			block_uniform_names.emplace_back();
+			collect_block_uniforms(*v.struct_type, prefix, 0, block_uniform_names.back());
+		}
+		else if(v.storage==SpirVModule::UNIFORM_CONSTANT && (v.location>=0 || v.binding>=0))
+		{
+			block_uniform_names[0].push_back(v.name);
+			reflect_data.uniforms.emplace_back();
+			ReflectData::UniformInfo &info = reflect_data.uniforms.back();
+			info.name = v.name;
+			info.tag = v.name;
+			info.location = v.location;
+			if(v.binding>=0)
+				info.binding = v.binding | (v.descriptor_set<<20);
+			reflect_data.n_descriptor_sets = max(reflect_data.n_descriptor_sets, v.descriptor_set+1);
+			info.array_size = max(v.array_size, 1U);
+			info.type = v.type;
 		}
 	}
 
-	if(ARB_uniform_buffer_object)
-		query_uniform_blocks(uniforms_by_index);
+	sort_member(reflect_data.uniforms, &ReflectData::UniformInfo::tag);
 
-	UniformBlockInfo &default_block = uniform_blocks[string()];
-	default_block.data_size = 0;
-	default_block.bind_point = -1;
+	if(block_uniform_names.front().empty())
+	{
+		reflect_data.uniform_blocks.erase(reflect_data.uniform_blocks.begin());
+		block_uniform_names.erase(block_uniform_names.begin());
+	}
 
-	for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
-		if(!i->second.block)
+	for(unsigned i=0; i<reflect_data.uniform_blocks.size(); ++i)
+	{
+		ReflectData::UniformBlockInfo &block = reflect_data.uniform_blocks[i];
+		for(const string &n: block_uniform_names[i])
 		{
-			i->second.location = glGetUniformLocation(id, i->second.name.c_str());
-			i->second.block = &default_block;
-			default_block.uniforms.push_back(&i->second);
+			// The element is already known to be present
+			ReflectData::UniformInfo &uni = *lower_bound_member(reflect_data.uniforms, Tag(n), &ReflectData::UniformInfo::tag);
+			block.uniforms.push_back(&uni);
+			uni.block = &block;
 		}
+		block.sort_uniforms();
+		block.update_layout_hash();
+	}
 
-	default_block.layout_hash = compute_layout_hash(default_block.uniforms);
-
-	string layout_descriptor;
-	for(UniformBlockMap::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
-		layout_descriptor += format("%d:%x\n", i->second.bind_point, i->second.layout_hash);
-	uniform_layout_hash = hash32(layout_descriptor);
+	reflect_data.update_layout_hash();
 }
 
-void Program::query_uniform_blocks(const vector<UniformInfo *> &uniforms_by_index)
+void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, vector<string> &uniform_names)
 {
-	uniform_blocks.clear();
-
-	std::set<unsigned> used_bind_points;
-	unsigned count = get_program_i(id, GL_ACTIVE_UNIFORM_BLOCKS);
-	for(unsigned i=0; i<count; ++i)
+	for(const SpirVModule::StructMember &m: strct.members)
 	{
-		char name[128];
-		int len;
-		glGetActiveUniformBlockName(id, i, sizeof(name), &len, name);
-		UniformBlockInfo &info = uniform_blocks[name];
-		info.name = name;
-
-		int value;
-		glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_DATA_SIZE, &value);
-		info.data_size = value;
-
-		glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS, &value);
-		vector<int> indices(value);
-		glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES, &indices[0]);
-		for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
+		unsigned offset = base_offset+m.offset;
+		if(m.struct_type)
 		{
-			if(!uniforms_by_index[*j])
-				throw logic_error("Program::link");
-			info.uniforms.push_back(uniforms_by_index[*j]);
-			uniforms_by_index[*j]->block = &info;
+			if(m.array_size)
+			{
+				for(unsigned j=0; j<m.array_size; ++j, offset+=m.array_stride)
+					collect_block_uniforms(*m.struct_type, format("%s%s[%d].", prefix, m.name, j), offset, uniform_names);
+			}
+			else
+				collect_block_uniforms(*m.struct_type, prefix+m.name+".", offset, uniform_names);
 		}
-
-		vector<unsigned> indices2(indices.begin(), indices.end());
-		vector<int> values(indices.size());
-		glGetActiveUniformsiv(id, indices.size(), &indices2[0], GL_UNIFORM_OFFSET, &values[0]);
-		for(unsigned j=0; j<indices.size(); ++j)
-			uniforms_by_index[indices[j]]->location = values[j];
-
-		indices2.clear();
-		for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
-			if(uniforms_by_index[*j]->size>1)
-				indices2.push_back(*j);
-		if(!indices2.empty())
-		{
-			glGetActiveUniformsiv(id, indices2.size(), &indices2[0], GL_UNIFORM_ARRAY_STRIDE, &values[0]);
-			for(unsigned j=0; j<indices2.size(); ++j)
-				uniforms_by_index[indices2[j]]->array_stride = values[j];
-		}
-
-		indices2.clear();
-		for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
+		else
 		{
-			GLenum t = uniforms_by_index[*j]->type;
-			if(t==GL_FLOAT_MAT4 || t==GL_FLOAT_MAT3 || t==GL_FLOAT_MAT2 ||
-				t==GL_FLOAT_MAT2x3 || t==GL_FLOAT_MAT2x4 || t==GL_FLOAT_MAT3x2 ||
-				t==GL_FLOAT_MAT3x4 || t==GL_FLOAT_MAT4x2 || t==GL_FLOAT_MAT4x3)
-				indices2.push_back(*j);
-		}
-		if(!indices2.empty())
-		{
-			glGetActiveUniformsiv(id, indices2.size(), &indices2[0], GL_UNIFORM_MATRIX_STRIDE, &values[0]);
-			for(unsigned j=0; j<indices2.size(); ++j)
-				uniforms_by_index[indices2[j]]->matrix_stride = values[j];
+			string name = prefix+m.name;
+			uniform_names.push_back(name);
+			reflect_data.uniforms.emplace_back();
+			ReflectData::UniformInfo &info = reflect_data.uniforms.back();
+			info.name = name;
+			info.tag = name;
+			info.offset = offset;
+			info.array_size = max(m.array_size, 1U);
+			info.array_stride = m.array_stride;
+			info.matrix_stride = m.matrix_stride;
+			info.type = m.type;
 		}
-
-		sort(info.uniforms.begin(), info.uniforms.end(), uniform_location_compare);
-		info.layout_hash = compute_layout_hash(info.uniforms);
-		unsigned n_bindings = BufferRange::get_n_uniform_buffer_bindings();
-		info.bind_point = info.layout_hash%n_bindings;
-		while(used_bind_points.count(info.bind_point))
-			info.bind_point = (info.bind_point+1)%n_bindings;
-		glUniformBlockBinding(id, i, info.bind_point);
-		used_bind_points.insert(info.bind_point);
 	}
 }
 
-void Program::query_attributes()
+void Program::collect_attributes(const SpirVModule &mod)
 {
-	unsigned count = get_program_i(id, GL_ACTIVE_ATTRIBUTES);
-	for(unsigned i=0; i<count; ++i)
-	{
-		char name[128];
-		int len = 0;
-		int size;
-		GLenum type;
-		glGetActiveAttrib(id, i, sizeof(name), &len, &size, &type, name);
-		if(len && strncmp(name, "gl_", 3))
+	for(const SpirVModule::EntryPoint &e: mod.get_entry_points())
+		if(e.stage==SpirVModule::VERTEX && e.name=="main")
 		{
-			if(len>3 && !strcmp(name+len-3, "[0]"))
-				name[len-3] = 0;
-
-			AttributeInfo &info = attributes[name];
-			info.name = name;
-			info.location = glGetAttribLocation(id, name);
-			info.size = size;
-			info.type = type;
+			for(const SpirVModule::Variable *v: e.globals)
+				if(v->storage==SpirVModule::INPUT)
+				{
+					reflect_data.attributes.emplace_back();
+					ReflectData::AttributeInfo &info = reflect_data.attributes.back();
+					info.name = v->name;
+					info.location = v->location;
+					info.array_size = v->array_size;
+					info.type = v->type;
+				}
 		}
-	}
+
+	sort_member(reflect_data.attributes, &ReflectData::AttributeInfo::name);
 }
 
-Program::LayoutHash Program::compute_layout_hash(const vector<const UniformInfo *> &uniforms)
+void Program::collect_builtins(const SpirVModule &mod)
 {
-	string layout_descriptor;
-	for(vector<const UniformInfo *>::const_iterator i = uniforms.begin(); i!=uniforms.end(); ++i)
-		layout_descriptor += format("%d:%s:%x:%d\n", (*i)->location, (*i)->name, (*i)->type, (*i)->size);
-	return hash32(layout_descriptor);
+	for(const SpirVModule::Variable &v: mod.get_variables())
+		if(v.storage==SpirVModule::OUTPUT && v.struct_type)
+			collect_builtins(*v.struct_type);
 }
 
-bool Program::uniform_location_compare(const UniformInfo *uni1, const UniformInfo *uni2)
+void Program::collect_builtins(const SpirVModule::Structure &strct)
 {
-	return uni1->location<uni2->location;
+	for(const SpirVModule::StructMember &m: strct.members)
+		if(m.builtin==SpirVModule::CLIP_DISTANCE)
+			reflect_data.n_clip_distances = m.array_size;
 }
 
-string Program::get_info_log() const
+const ReflectData::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
 {
-	GLsizei len = get_program_i(id, GL_INFO_LOG_LENGTH);
-	string log(len+1, 0);
-	glGetProgramInfoLog(id, len+1, &len, &log[0]);
-	log.erase(len);
-	return log;
+	auto i = find_member(reflect_data.uniform_blocks, name, &ReflectData::UniformBlockInfo::name);
+	if(i==reflect_data.uniform_blocks.end())
+		throw key_error(name);
+	return *i;
 }
 
-const Program::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
+const ReflectData::UniformInfo &Program::get_uniform_info(const string &name) const
 {
-	return get_item(uniform_blocks, name);
+	auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
+	if(i==reflect_data.uniforms.end() || i->name!=name)
+		throw key_error(name);
+	return *i;
 }
 
-const Program::UniformInfo &Program::get_uniform_info(const string &name) const
+const ReflectData::UniformInfo &Program::get_uniform_info(Tag tag) const
 {
-	return get_item(uniforms, name);
+	auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
+	if(i==reflect_data.uniforms.end() || i->tag!=tag)
+		throw key_error(tag);
+	return *i;
 }
 
-int Program::get_uniform_location(const string &n) const
+int Program::get_uniform_location(const string &name) const
 {
-	if(n[n.size()-1]==']')
+	if(name[name.size()-1]==']')
 		throw invalid_argument("Program::get_uniform_location");
 
-	UniformMap::const_iterator i = uniforms.find(n);
-	if(i==uniforms.end())
-		return -1;
-
-	return i->second.block->bind_point<0 ? i->second.location : -1;
+	auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
+	return i!=reflect_data.uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
 }
 
-const Program::AttributeInfo &Program::get_attribute_info(const string &name) const
+int Program::get_uniform_location(Tag tag) const
 {
-	return get_item(attributes, name);
+	auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
+	return i!=reflect_data.uniforms.end() && i->tag==tag && i->block->bind_point<0 ? i->location : -1;
 }
 
-int Program::get_attribute_location(const string &n) const
+int Program::get_uniform_binding(Tag tag) const
 {
-	if(n[n.size()-1]==']')
-		throw invalid_argument("Program::get_attribute_location");
-
-	AttributeMap::const_iterator i = attributes.find(n);
-	return i!=attributes.end() ? i->second.location : -1;
+	auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
+	return i!=reflect_data.uniforms.end() && i->tag==tag ? i->binding : -1;
 }
 
-void Program::bind() const
+bool Program::uses_binding(int binding) const
 {
-	if(!linked)
-		throw invalid_operation("Program::bind");
-
-	if(!set_current(this))
-		return;
+	auto i = lower_bound(reflect_data.used_bindings, binding);
+	return i!=reflect_data.used_bindings.end() && *i==binding;
+}
 
-	glUseProgram(id);
+const ReflectData::AttributeInfo &Program::get_attribute_info(const string &name) const
+{
+	auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
+	if(i==reflect_data.attributes.end() || i->name!=name)
+		throw key_error(name);
+	return *i;
 }
 
-void Program::unbind()
+int Program::get_attribute_location(const string &name) const
 {
-	if(!set_current(0))
-		return;
+	if(name[name.size()-1]==']')
+		throw invalid_argument("Program::get_attribute_location");
 
-	glUseProgram(0);
+	auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
+	return i!=reflect_data.attributes.end() && i->name==name ? i->location : -1;
 }
 
 
 Program::Loader::Loader(Program &p, Collection &c):
 	DataFile::CollectionObjectLoader<Program>(p, &c)
 {
-	add("module",          &Loader::module);
-
-	// Deprecated
-	add("attribute",       &Loader::attribute);
-	add("fragment_shader", &Loader::fragment_shader);
-	add("geometry_shader", &Loader::geometry_shader);
-	add("vertex_shader",   &Loader::vertex_shader);
-}
-
-void Program::Loader::finish()
-{
-	obj.link();
+	add("module", &Loader::module);
 }
 
 void Program::Loader::module(const string &n)
@@ -505,29 +296,6 @@ void Program::Loader::module(const string &n)
 	obj.add_stages(get_collection().get<Module>(n), spec_values);
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-void Program::Loader::attribute(unsigned i, const string &n)
-{
-	obj.bind_attribute(i, n);
-}
-
-void Program::Loader::fragment_shader(const string &src)
-{
-	obj.attach_shader_owned(new FragmentShader(src));
-}
-
-void Program::Loader::geometry_shader(const string &src)
-{
-	obj.attach_shader_owned(new GeometryShader(src));
-}
-
-void Program::Loader::vertex_shader(const string &src)
-{
-	obj.attach_shader_owned(new VertexShader(src));
-}
-#pragma GCC diagnostic pop
-
 
 DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;