X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.cpp;h=de1fb1604db2ea5dcd77c20a2fbf036f18fe3894;hb=89d3d10b75a42f86b224feb00b20283af66c0b01;hp=55d2cf22d9962e3ed1622119a31b1ae592ef761e;hpb=06071181b1fbda51b8a17cbd034f3d36b3fae900;p=libs%2Fgl.git diff --git a/source/programbuilder.cpp b/source/programbuilder.cpp index 55d2cf22..de1fb160 100644 --- a/source/programbuilder.cpp +++ b/source/programbuilder.cpp @@ -44,7 +44,7 @@ Naming conventions: anything that might need them. */ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { - { FRAGMENT, "gl_FragColor", "vec4", "frag_color", "g" }, + { FRAGMENT, "gl_FragColor", "vec4", "frag_color", 0 }, { FRAGMENT, "frag_color", "vec4", "basic_color", "!e!l" }, { FRAGMENT, "frag_color", "vec4", "vec4(rgb_surface, surface_alpha)", "!el" }, { FRAGMENT, "frag_color", "vec4", "vec4(rgb_surface+rgb_reflection, surface_alpha)", "e" }, @@ -95,7 +95,7 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { FRAGMENT, "l_diffuse[i]", "float", "max(dot(n_zzz_normal, n_zzz_light_dir[i]), 0.0)", 0 }, { FRAGMENT, "l_shadow", "float", "mix(1.0, shadow_sample, shadow_darkness)", 0 }, - { FRAGMENT, "shadow_sample", "float", "shadow2D(shadow, shd_vertex).r", 0 }, + { FRAGMENT, "shadow_sample", "float", "shadow2D(shadow, shd_vertex)", 0 }, { FRAGMENT, "zzz_reflect_dir", "vec3", "reflect(zzz_incident_dir, n_zzz_normal)", 0 }, { FRAGMENT, "n_zzz_half_vec[i]", "vec3", "normalize(zzz_light_dir[i]-zzz_incident_dir)", 0 }, @@ -134,8 +134,8 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { UNIFORM, "environment", "samplerCube", 0, 0 }, { UNIFORM, "EnvMap::env_eye_matrix", "mat3", 0, 0 }, { UNIFORM, "Material::reflectivity", "float", 0, 0 }, - { UNIFORM, "Transform::eye_obj_matrix", "mat4", "gl_ModelViewMatrix", 0 }, - { UNIFORM, "Transform::eye_obj_normal_matrix", "mat3", "gl_NormalMatrix", 0 }, + { UNIFORM, "eye_obj_matrix", "mat4", "gl_ModelViewMatrix", 0 }, + { UNIFORM, "eye_obj_normal_matrix", "mat3", "gl_NormalMatrix", 0 }, { UNIFORM, "Transform::projection_matrix", "mat4", "gl_ProjectionMatrix", 0 }, { UNIFORM, "ShadowMap::shd_eye_matrix", "mat4", 0, 0 }, { UNIFORM, "Lighting::light_sources", "LightSourceParameters[MAX_LIGHTS]", "gl_LightSource[i]", 0 }, @@ -236,11 +236,16 @@ ProgramBuilder::ProgramBuilder(const StandardFeatures &f): } } - if((get_gl_api()==OPENGL && !features.legacy) || (get_gl_api()==OPENGL_ES2 && get_glsl_version()>=Version(3, 0))) + if(!features.legacy) { + aliases["texture1D"] = "texture"; aliases["texture2D"] = "texture"; + aliases["texture3D"] = "texture"; + aliases["textureCube"] = "texture"; aliases["shadow2D"] = "texture"; } + else + aliases["shadow2D"] = "shadow2D(...).r"; } void ProgramBuilder::set_optimize(bool o) @@ -343,8 +348,9 @@ void ProgramBuilder::add_shaders(Program &prog) const for(list::iterator i=variables.end(); i!=variables.begin(); ) (--i)->resolve_array(features); + bool legacy_variables = evaluate_flags("g"); for(list::const_iterator i=resolved_vars.begin(); i!=resolved_vars.end(); ++i) - (*i)->check_inline(features.legacy, !optimize); + (*i)->check_inline(legacy_variables, !optimize); prog.attach_shader_owned(new VertexShader(create_source(resolved_vars, VERTEX))); prog.attach_shader_owned(new FragmentShader(create_source(resolved_vars, FRAGMENT))); @@ -374,7 +380,6 @@ string ProgramBuilder::create_source(const list &variables, Va { string source; - bool legacy_qualifiers = features.legacy || (get_gl_api()==OPENGL_ES2 && !(get_glsl_version()>=Version(3, 0))); bool use_blocks = !features.legacy && ARB_uniform_buffer_object; if(!features.legacy) @@ -392,6 +397,9 @@ string ProgramBuilder::create_source(const list &variables, Va } } + if(get_gl_api()==OPENGL_ES2) + source += "precision mediump float;\n"; + set declared_types; set uniform_blocks; for(list::const_iterator i=variables.begin(); i!=variables.end(); ++i) @@ -424,17 +432,17 @@ string ProgramBuilder::create_source(const list &variables, Va if(!(*i)->resolved_name.compare(0, 3, "gl_")) continue; - InterfaceFlags interface = (*i)->get_interface_flags(scope); + InterfaceFlags iface = (*i)->get_interface_flags(scope); - if(interface&INPUT) + if(iface&INPUT) { - const char *qualifier = (legacy_qualifiers ? scope==VERTEX ? "attribute" : "varying" : "in"); + const char *qualifier = (features.legacy ? scope==VERTEX ? "attribute" : "varying" : "in"); source += format("%s %s;\n", qualifier, (*i)->create_declaration(interfaces[scope-1])); } - if(interface&OUTPUT) + if(iface&OUTPUT) { - const char *qualifier = (legacy_qualifiers ? "varying" : "out"); + const char *qualifier = (features.legacy ? "varying" : "out"); source += format("%s %s;\n", qualifier, (*i)->create_declaration(interfaces[scope])); } } @@ -451,8 +459,8 @@ string ProgramBuilder::create_source(const list &variables, Va Output variables are already declared. */ for(list::const_iterator j=loop_vars.begin(); j!=loop_vars.end(); ++j) { - InterfaceFlags interface = (*j)->get_interface_flags(scope); - if(!(*j)->in_loop && !(interface&OUTPUT)) + InterfaceFlags iface = (*j)->get_interface_flags(scope); + if(!(*j)->in_loop && !(iface&OUTPUT)) source += format("\t%s;\n", (*j)->create_declaration()); } @@ -474,8 +482,8 @@ string ProgramBuilder::create_source(const list &variables, Va source += format("\t\t%s %s %s;\n", decl, oper, create_expression(**j, "i")); } - InterfaceFlags interface = (*j)->get_interface_flags(scope); - if(interface&OUTPUT) + InterfaceFlags iface = (*j)->get_interface_flags(scope); + if(iface&OUTPUT) { string expr = ((*j)->inlined ? create_expression(**j, "i") : (*j)->resolved_name+"[i]"); source += format("\t\t%c_%s[i] = %s;\n", interfaces[scope], (*j)->resolved_name, expr); @@ -486,11 +494,11 @@ string ProgramBuilder::create_source(const list &variables, Va loop_vars.clear(); } - InterfaceFlags interface = (*i)->get_interface_flags(scope); + InterfaceFlags iface = (*i)->get_interface_flags(scope); if((*i)->array_size>1) { - if((*i)->variable->scope==scope || (interface&OUTPUT)) + if((*i)->variable->scope==scope || (iface&OUTPUT)) { loop_size = (*i)->array_size; loop_vars.push_back(*i); @@ -500,11 +508,11 @@ string ProgramBuilder::create_source(const list &variables, Va if((*i)->variable->scope==scope && !(*i)->inlined) { - string decl = ((interface&GOAL) ? (*i)->resolved_name : (*i)->create_declaration()); + string decl = ((iface&GOAL) ? (*i)->resolved_name : (*i)->create_declaration()); source += format("\t%s = %s;\n", decl, create_expression(**i)); } - if((interface&(OUTPUT|GOAL))==OUTPUT) + if((iface&(OUTPUT|GOAL))==OUTPUT) { string expr = ((*i)->inlined ? create_expression(**i) : (*i)->resolved_name); source += format("\t%c_%s = %s;\n", interfaces[scope], (*i)->resolved_name, expr); @@ -650,7 +658,7 @@ vector ProgramBuilder::extract_identifiers(const char *expression) return result; } -string ProgramBuilder::replace_identifiers(const char *expression, const map &replace_map) +string ProgramBuilder::replace_identifiers(const char *expression, const map &replace_map, bool with_functions) { string result; const char *ptr = expression; @@ -662,7 +670,35 @@ string ProgramBuilder::replace_identifiers(const char *expression, const map::const_iterator i = replace_map.find(identifier); if(i!=replace_map.end()) + { + if(with_functions && ptr[start+length]=='(') + { + string::size_type lparen = i->second.find('('); + string::size_type rparen = i->second.rfind(')'); + if(lparen!=string::npos && rparen!=string::npos) + { + unsigned level = 1; + unsigned j; + for(j=start+length+1; (ptr[j] && level); ++j) + { + level += (ptr[j]=='('); + level -= (ptr[j]==')'); + } + + if(!level) + { + string subexpr(ptr+start+length, ptr+j); + result += i->second.substr(0, lparen); + result += replace_identifiers(subexpr.c_str(), replace_map, with_functions); + result += i->second.substr(rparen+1); + ptr += j; + continue; + } + } + } + result += i->second; + } else result += identifier; ptr += start+length; @@ -674,7 +710,7 @@ string ProgramBuilder::replace_identifiers(const char *expression, const map=Version(1, 30))) -{ } + reflection(false) +{ + if(get_gl_api()==OPENGL_ES2) + legacy = !(get_glsl_version()>=Version(3, 0)); + else + legacy = !(get_glsl_version()>=Version(1, 30)); +} string ProgramBuilder::StandardFeatures::create_flags() const { @@ -712,7 +752,7 @@ string ProgramBuilder::StandardFeatures::create_flags() const flags += 's'; if(reflection) flags += 'e'; - if(legacy) + if(legacy && get_gl_api()==OPENGL) flags += 'g'; return flags; @@ -968,7 +1008,7 @@ string ProgramBuilder::ShaderVariable::create_type_declaration() const throw invalid_variable_definition("invalid typedef"); } -string ProgramBuilder::ShaderVariable::create_declaration(char interface, bool loop) const +string ProgramBuilder::ShaderVariable::create_declaration(char iface, bool loop) const { if(variable->scope==UNIFORM && !array_subscript.empty()) { @@ -981,8 +1021,8 @@ string ProgramBuilder::ShaderVariable::create_declaration(char interface, bool l if(!array_sum && array_size>1 && !loop) array = format("[%d]", array_size); - if(interface) - return format("%s %c_%s%s", variable->type, interface, resolved_name, array); + if(iface) + return format("%s %c_%s%s", variable->type, iface, resolved_name, array); else return format("%s %s%s", variable->type, resolved_name, array); } @@ -990,11 +1030,11 @@ string ProgramBuilder::ShaderVariable::create_declaration(char interface, bool l string ProgramBuilder::ShaderVariable::create_replacement(VariableScope from_scope, const char *loop) const { string replacement = resolved_name; - InterfaceFlags interface = NO_INTERFACE; + InterfaceFlags iface = NO_INTERFACE; if(variable) { - interface = get_interface_flags(from_scope); - if((interface&INPUT) && interfaces[from_scope-1]) + iface = get_interface_flags(from_scope); + if((iface&INPUT) && interfaces[from_scope-1]) replacement = format("%c_%s", interfaces[from_scope-1], replacement); else if(inlined) {