]> git.tdb.fi Git - libs/gl.git/blobdiff - source/core/program.cpp
Rename size to array_size in Program variable info structs
[libs/gl.git] / source / core / program.cpp
index 2a34feb32706c161c602a151c7217d47955aa4d2..dd22033e7e4369df1fa7818dbc59f70f29436bb1 100644 (file)
@@ -35,7 +35,7 @@ Program::Program(const std::string &source)
 {
        init();
 
-       Module mod;
+       GlslModule mod;
        mod.set_source(source);
        add_stages(mod);
 
@@ -55,6 +55,13 @@ Program::Program(const string &vert, const string &frag)
        link();
 }
 
+Program::Program(const Module &mod, const map<string, int> &spec_values)
+{
+       init();
+       add_stages(mod, spec_values);
+       link();
+}
+
 void Program::init()
 {
        static Require _req(ARB_shader_objects);
@@ -66,45 +73,66 @@ void Program::init()
 
 Program::~Program()
 {
-       for(vector<unsigned>::iterator i=shader_ids.begin(); i!=shader_ids.end(); ++i)
+       for(vector<unsigned>::iterator i=stage_ids.begin(); i!=stage_ids.end(); ++i)
                glDeleteShader(*i);
        glDeleteProgram(id);
 }
 
-void Program::add_stages(const Module &mod)
+void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
+{
+       if(!stage_ids.empty())
+               throw invalid_operation("Program::add_stages");
+
+       switch(mod.get_format())
+       {
+       case Module::GLSL: return add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values);
+       default: throw invalid_argument("Program::add_stages");
+       }
+}
+
+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;
+}
+
+void Program::add_glsl_stages(const GlslModule &mod, const map<string, int> &spec_values)
 {
        module = &mod;
 
        SL::Compiler compiler;
-       compiler.set_source(module->get_prepared_source(), "<module>");
+       compiler.set_source(mod.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)
        {
-               GLenum type;
+               unsigned stage_id = 0;
                switch(*i)
                {
-               case SL::Stage::VERTEX:
-                       { static Require _req(ARB_vertex_shader); }
-                       type = GL_VERTEX_SHADER;
-                       break;
-               case SL::Stage::GEOMETRY:
-                       { static Require _req(ARB_geometry_shader4); }
-                       type = GL_GEOMETRY_SHADER;
-                       break;
-               case SL::Stage::FRAGMENT:
-                       { static Require _req(ARB_fragment_shader); }
-                       type = GL_FRAGMENT_SHADER;
-                       break;
-               default:
-                       throw invalid_operation("Program::add_stages");
+               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");
                }
 
-               unsigned stage_id = glCreateShader(type);
-               shader_ids.push_back(stage_id);
-               glAttachShader(id, stage_id);
-
                string stage_src = compiler.get_stage_glsl(*i);
                const char *src_ptr = stage_src.data();
                int src_len = stage_src.size();
@@ -123,9 +151,31 @@ void Program::add_stages(const Module &mod)
                        for(map<string, unsigned>::const_iterator j=frag_outs.begin(); j!=frag_outs.end(); ++j)
                                glBindFragDataLocation(id, j->second, j->first.c_str());
                }
+
+               compile_glsl_stage(stage_id);
        }
 }
 
+void Program::compile_glsl_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 && module->get_format()==Module::GLSL)
+               info_log = static_cast<const GlslModule *>(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)
@@ -133,7 +183,8 @@ void Program::attach_shader(Shader &shader)
        unsigned shader_id = shader.steal_id();
        if(!shader_id)
                throw invalid_argument("Program::attach_shader");
-       shader_ids.push_back(shader_id);
+       stage_ids.push_back(shader_id);
+       compile_glsl_stage(shader_id);
 }
 
 void Program::attach_shader_owned(Shader *shader)
@@ -158,9 +209,9 @@ void Program::bind_attribute(unsigned index, const string &name)
        glBindAttribLocation(id, index, name.c_str());
 }
 
-void Program::bind_attribute(VertexComponent comp, const string &name)
+void Program::bind_attribute(VertexAttribute attr, const string &name)
 {
-       bind_attribute(get_component_type(comp), name);
+       bind_attribute(get_attribute_semantic(attr), name);
 }
 
 void Program::bind_fragment_data(unsigned index, const string &name)
@@ -172,24 +223,8 @@ void Program::bind_fragment_data(unsigned index, const string &name)
 
 void Program::link()
 {
-       for(vector<unsigned>::const_iterator i=shader_ids.begin(); i!=shader_ids.end(); ++i)
-       {
-               glCompileShader(*i);
-               bool compiled = get_shader_i(*i, GL_COMPILE_STATUS);
-
-               GLsizei info_log_len = get_shader_i(*i, GL_INFO_LOG_LENGTH);
-               string info_log(info_log_len+1, 0);
-               glGetShaderInfoLog(*i, 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(!compiled)
-                       throw compile_error(info_log);
-#ifdef DEBUG
-               if(!info_log.empty())
-                       IO::print("Shader compile info log:\n%s", info_log);
-#endif
-       }
+       if(stage_ids.empty())
+               throw invalid_operation("Program::link");
 
        uniforms.clear();
 
@@ -200,7 +235,8 @@ void Program::link()
        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(module && module->get_format()==Module::GLSL)
+               info_log = static_cast<const GlslModule *>(module)->get_source_map().translate_errors(info_log);
 
        if(!linked)
                throw compile_error(info_log);
@@ -218,21 +254,6 @@ void Program::link()
                require_type(i->second.type);
 }
 
-void Program::require_type(GLenum t)
-{
-       switch(t)
-       {
-       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);
@@ -254,10 +275,10 @@ void Program::query_uniforms()
                        UniformInfo &info = uniforms[name];
                        info.block = 0;
                        info.name = name;
-                       info.size = size;
+                       info.array_size = size;
                        info.array_stride = 0;
                        info.matrix_stride = 0;
-                       info.type = type;
+                       info.type = from_gl_type(type);
                        uniforms_by_index[i] = &info;
                }
        }
@@ -322,7 +343,7 @@ void Program::query_uniform_blocks(const vector<UniformInfo *> &uniforms_by_inde
 
                indices2.clear();
                for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
-                       if(uniforms_by_index[*j]->size>1)
+                       if(uniforms_by_index[*j]->array_size>1)
                                indices2.push_back(*j);
                if(!indices2.empty())
                {
@@ -334,10 +355,8 @@ void Program::query_uniform_blocks(const vector<UniformInfo *> &uniforms_by_inde
                indices2.clear();
                for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
                {
-                       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)
+                       DataType t = uniforms_by_index[*j]->type;
+                       if(is_matrix(t))
                                indices2.push_back(*j);
                }
                if(!indices2.empty())
@@ -376,8 +395,8 @@ void Program::query_attributes()
                        AttributeInfo &info = attributes[name];
                        info.name = name;
                        info.location = glGetAttribLocation(id, name);
-                       info.size = size;
-                       info.type = type;
+                       info.array_size = size;
+                       info.type = from_gl_type(type);
                }
        }
 }
@@ -386,7 +405,7 @@ Program::LayoutHash Program::compute_layout_hash(const vector<const UniformInfo
 {
        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);
+               layout_descriptor += format("%d:%s:%x:%d\n", (*i)->location, (*i)->name, (*i)->type, (*i)->array_size);
        return hash32(layout_descriptor);
 }
 
@@ -479,7 +498,10 @@ void Program::Loader::finish()
 
 void Program::Loader::module(const string &n)
 {
-       obj.add_stages(get_collection().get<Module>(n));
+       map<string, int> spec_values;
+       SpecializationLoader ldr(spec_values);
+       load_sub_with(ldr);
+       obj.add_stages(get_collection().get<Module>(n), spec_values);
 }
 
 #pragma GCC diagnostic push
@@ -505,5 +527,30 @@ void Program::Loader::vertex_shader(const string &src)
 }
 #pragma GCC diagnostic pop
 
+
+DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;
+
+Program::SpecializationLoader::SpecializationLoader(map<string, int> &sv):
+       spec_values(sv)
+{
+       set_actions(shared_actions);
+}
+
+void Program::SpecializationLoader::init_actions()
+{
+       add("specialize", &SpecializationLoader::specialize_bool);
+       add("specialize", &SpecializationLoader::specialize_int);
+}
+
+void Program::SpecializationLoader::specialize_bool(const string &name, bool value)
+{
+       spec_values[name] = value;
+}
+
+void Program::SpecializationLoader::specialize_int(const string &name, int value)
+{
+       spec_values[name] = value;
+}
+
 } // namespace GL
 } // namespace Msp