-#include <algorithm>
#include <cstring>
#include <set>
+#include <msp/core/algorithm.h>
#include <msp/core/hash.h>
#include <msp/core/maputils.h>
+#include <msp/core/raii.h>
#include <msp/gl/extensions/arb_es2_compatibility.h>
#include <msp/gl/extensions/arb_fragment_shader.h>
#include <msp/gl/extensions/arb_gl_spirv.h>
#include <msp/gl/extensions/arb_geometry_shader4.h>
+#include <msp/gl/extensions/arb_separate_shader_objects.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>
id = glCreateProgram();
module = 0;
+ bindings = 0;
linked = false;
}
compile_glsl_stage(stage_id);
}
+
+ if(!bindings)
+ bindings = new Bindings;
+ bindings->textures = compiler.get_texture_bindings();
+ bindings->blocks = compiler.get_uniform_block_bindings();
}
void Program::compile_glsl_stage(unsigned stage_id)
{
query_uniforms();
query_attributes();
+ if(bindings)
+ {
+ for(unsigned i=0; i<uniform_blocks.size(); ++i)
+ {
+ map<string, unsigned>::const_iterator j = bindings->blocks.find(uniform_blocks[i].name);
+ if(j!=bindings->blocks.end())
+ {
+ glUniformBlockBinding(id, i, j->second);
+ uniform_blocks[i].bind_point = j->second;
+ }
+ }
+
+ Conditional<BindRestore> _bind(!ARB_separate_shader_objects, this);
+ for(map<string, unsigned>::const_iterator i=bindings->textures.begin(); i!=bindings->textures.end(); ++i)
+ {
+ int location = get_uniform_location(i->first);
+ if(location>=0)
+ {
+ if(ARB_separate_shader_objects)
+ glProgramUniform1i(id, location, i->second);
+ else
+ glUniform1i(location, i->second);
+ }
+ }
+
+ delete bindings;
+ bindings = 0;
+ }
}
else if(module->get_format()==Module::SPIR_V)
{
collect_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);
+ for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+ require_type(i->type);
+ for(vector<AttributeInfo>::const_iterator i=attributes.begin(); i!=attributes.end(); ++i)
+ require_type(i->type);
}
void Program::query_uniforms()
{
unsigned count = get_program_i(id, GL_ACTIVE_UNIFORMS);
- vector<UniformInfo *> uniforms_by_index(count);
+ uniforms.reserve(count);
+ vector<string> uniform_names(count);
for(unsigned i=0; i<count; ++i)
{
char name[128];
if(len>3 && !strcmp(name+len-3, "[0]"))
name[len-3] = 0;
- UniformInfo &info = uniforms[name];
+ uniforms.push_back(UniformInfo());
+ UniformInfo &info = uniforms.back();
info.name = name;
info.array_size = size;
info.type = from_gl_type(type);
- uniforms_by_index[i] = &info;
+ uniform_names[i] = name;
}
}
+ sort(uniforms, &uniform_name_compare);
+
if(ARB_uniform_buffer_object)
+ {
+ vector<UniformInfo *> uniforms_by_index(count);
+ for(unsigned i=0; i<count; ++i)
+ if(!uniform_names[i].empty())
+ // The element is already known to be present
+ uniforms_by_index[i] = &*lower_bound(uniforms, uniform_names[i], &name_search<UniformInfo>);
query_uniform_blocks(uniforms_by_index);
+ }
- UniformBlockInfo &default_block = uniform_blocks[string()];
+ uniform_blocks.push_back(UniformBlockInfo());
+ UniformBlockInfo &default_block = uniform_blocks.back();
- for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
- if(!i->second.block)
+ for(vector<UniformInfo>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+ if(!i->block)
{
- i->second.location = glGetUniformLocation(id, i->second.name.c_str());
- i->second.block = &default_block;
- default_block.uniforms.push_back(&i->second);
+ i->location = glGetUniformLocation(id, i->name.c_str());
+ i->block = &default_block;
+ default_block.uniforms.push_back(&*i);
}
default_block.layout_hash = compute_layout_hash(default_block.uniforms);
void Program::query_uniform_blocks(const vector<UniformInfo *> &uniforms_by_index)
{
- std::set<unsigned> used_bind_points;
unsigned count = get_program_i(id, GL_ACTIVE_UNIFORM_BLOCKS);
+ // Reserve an extra index for the default block
+ uniform_blocks.reserve(count+1);
for(unsigned i=0; i<count; ++i)
{
char name[128];
int len;
glGetActiveUniformBlockName(id, i, sizeof(name), &len, name);
- UniformBlockInfo &info = uniform_blocks[name];
+ uniform_blocks.push_back(UniformBlockInfo());
+ UniformBlockInfo &info = uniform_blocks.back();
info.name = name;
int value;
glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_DATA_SIZE, &value);
info.data_size = value;
+ glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_BINDING, &value);
+ info.bind_point = 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]);
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()
{
unsigned count = get_program_i(id, GL_ACTIVE_ATTRIBUTES);
+ attributes.reserve(count);
for(unsigned i=0; i<count; ++i)
{
char name[128];
if(len>3 && !strcmp(name+len-3, "[0]"))
name[len-3] = 0;
- AttributeInfo &info = attributes[name];
+ attributes.push_back(AttributeInfo());
+ AttributeInfo &info = attributes.back();
info.name = name;
info.location = glGetAttribLocation(id, name);
info.array_size = size;
{
const SpirVModule &mod = static_cast<const SpirVModule &>(*module);
- UniformBlockInfo &default_block = uniform_blocks[string()];
+ // Prepare the default block
+ uniform_blocks.push_back(UniformBlockInfo());
+ vector<vector<string> > block_uniform_names(1);
const vector<SpirVModule::Variable> &variables = mod.get_variables();
for(vector<SpirVModule::Variable>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
{
if(i->storage==SpirVModule::UNIFORM && i->struct_type)
{
- UniformBlockInfo &info = uniform_blocks[i->struct_type->name];
+ uniform_blocks.push_back(UniformBlockInfo());
+ UniformBlockInfo &info = uniform_blocks.back();
info.name = i->struct_type->name;
info.bind_point = i->binding;
info.data_size = i->struct_type->size;
string prefix;
if(!i->name.empty())
prefix = i->struct_type->name+".";
- collect_block_uniforms(info, *i->struct_type, prefix, 0);
-
- info.layout_hash = compute_layout_hash(info.uniforms);
+ block_uniform_names.push_back(vector<string>());
+ collect_block_uniforms(*i->struct_type, prefix, 0, block_uniform_names.back());
}
else if(i->storage==SpirVModule::UNIFORM_CONSTANT && i->location>=0)
{
- UniformInfo &info = uniforms[i->name];
+ block_uniform_names[0].push_back(i->name);
+ uniforms.push_back(UniformInfo());
+ UniformInfo &info = uniforms.back();
info.name = i->name;
- info.block = &default_block;
info.location = i->location;
info.array_size = i->array_size;
info.type = i->type;
- default_block.uniforms.push_back(&info);
}
}
- default_block.layout_hash = compute_layout_hash(default_block.uniforms);
+ sort(uniforms, &uniform_name_compare);
+
+ for(unsigned i=0; i<uniform_blocks.size(); ++i)
+ {
+ UniformBlockInfo &block = uniform_blocks[i];
+ const vector<string> &names = block_uniform_names[i];
+ for(vector<string>::const_iterator j=names.begin(); j!=names.end(); ++j)
+ {
+ // The element is already known to be present
+ UniformInfo &uni = *lower_bound(uniforms, *j, &name_search<UniformInfo>);
+ block.uniforms.push_back(&uni);
+ uni.block = █
+ }
+ block.layout_hash = compute_layout_hash(block.uniforms);
+ }
update_layout_hash();
}
-void Program::collect_block_uniforms(UniformBlockInfo &block, const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset)
+void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, vector<string> &uniform_names)
{
for(vector<SpirVModule::StructMember>::const_iterator i=strct.members.begin(); i!=strct.members.end(); ++i)
{
if(i->array_size)
{
for(unsigned j=0; j<i->array_size; ++j, offset+=i->array_stride)
- collect_block_uniforms(block, *i->struct_type, format("%s%s[%d].", prefix, i->name, j), offset);
+ collect_block_uniforms(*i->struct_type, format("%s%s[%d].", prefix, i->name, j), offset, uniform_names);
}
else
- collect_block_uniforms(block, *i->struct_type, prefix+i->name+".", offset);
+ collect_block_uniforms(*i->struct_type, prefix+i->name+".", offset, uniform_names);
}
else
{
string name = prefix+i->name;
- UniformInfo &info = uniforms[name];
+ uniform_names.push_back(name);
+ uniforms.push_back(UniformInfo());
+ UniformInfo &info = uniforms.back();
info.name = name;
- info.block = █
info.offset = offset;
info.array_size = i->array_size;
info.array_stride = i->array_stride;
info.matrix_stride = i->matrix_stride;
info.type = i->type;
- block.uniforms.push_back(&info);
}
}
}
for(vector<const SpirVModule::Variable *>::const_iterator j=i->globals.begin(); j!=i->globals.end(); ++j)
if((*j)->storage==SpirVModule::INPUT)
{
- AttributeInfo &info = attributes[(*j)->name];
+ attributes.push_back(AttributeInfo());
+ AttributeInfo &info = attributes.back();
info.name = (*j)->name;
info.location = (*j)->location;
info.array_size = (*j)->array_size;
void Program::update_layout_hash()
{
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);
+ for(vector<UniformBlockInfo>::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
+ layout_descriptor += format("%d:%x\n", i->bind_point, i->layout_hash);
uniform_layout_hash = hash32(layout_descriptor);
}
return uni1->location<uni2->location;
}
+bool Program::uniform_name_compare(const UniformInfo &uni1, const UniformInfo &uni2)
+{
+ return uni1.name<uni2.name;
+}
+
+template<typename T>
+bool Program::name_search(const T &item, const string &name)
+{
+ return item.name<name;
+}
+
string Program::get_info_log() const
{
GLsizei len = get_program_i(id, GL_INFO_LOG_LENGTH);
const Program::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
{
- return get_item(uniform_blocks, name);
+ for(vector<UniformBlockInfo>::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
+ if(i->name==name)
+ return *i;
+ throw key_error(name);
}
const Program::UniformInfo &Program::get_uniform_info(const string &name) const
{
- return get_item(uniforms, name);
+ vector<UniformInfo>::const_iterator i = lower_bound(uniforms, name, &name_search<UniformInfo>);
+ if(i==uniforms.end() || i->name!=name)
+ throw key_error(name);
+ return *i;
}
int Program::get_uniform_location(const string &name) const
if(name[name.size()-1]==']')
throw invalid_argument("Program::get_uniform_location");
- UniformMap::const_iterator i = uniforms.find(name);
- if(i==uniforms.end())
- return -1;
-
- return i->second.block->bind_point<0 ? i->second.location : -1;
+ vector<UniformInfo>::const_iterator i = lower_bound(uniforms, name, &name_search<UniformInfo>);
+ return i!=uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
}
const Program::AttributeInfo &Program::get_attribute_info(const string &name) const
{
- return get_item(attributes, name);
+ vector<AttributeInfo>::const_iterator i = lower_bound(attributes, name, &name_search<AttributeInfo>);
+ if(i==attributes.end() || i->name!=name)
+ throw key_error(name);
+ return *i;
}
int Program::get_attribute_location(const string &name) const
if(name[name.size()-1]==']')
throw invalid_argument("Program::get_attribute_location");
- AttributeMap::const_iterator i = attributes.find(name);
- return i!=attributes.end() ? i->second.location : -1;
+ vector<AttributeInfo>::const_iterator i = lower_bound(attributes, name, &name_search<AttributeInfo>);
+ return i!=attributes.end() && i->name==name ? i->location : -1;
}
void Program::bind() const