X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.cpp;h=8215220081fd2cb6a32a543877bd208e3823fc7f;hb=2e9d7c9f5741d17f77ce27273590ee16b791fb64;hp=91575d0dfe436b9e1aa794496303db8fa8d71f75;hpb=70663ae97d5b70a6b468e07dd7e73475a175dc9b;p=libs%2Fgl.git diff --git a/source/programbuilder.cpp b/source/programbuilder.cpp index 91575d0d..82152200 100644 --- a/source/programbuilder.cpp +++ b/source/programbuilder.cpp @@ -1,5 +1,7 @@ #include #include +#include +#include #include #include #include "extension.h" @@ -56,21 +58,22 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { FRAGMENT, "rgb_surface", "vec3", "rgb_lit_surface", "l" }, { FRAGMENT, "rgb_unlit_surface", "vec3", "basic_color.rgb", "!s" }, { FRAGMENT, "rgb_unlit_surface", "vec3", "basic_color.rgb*l_shadow", "s" }, - { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse", "!m" }, + { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse", "!m!t" }, + { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_illumination_diffuse*diffuse_sample.rgb", "!mt" }, { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_surface_ambient+rgb_surface_diffuse", "m!p" }, { FRAGMENT, "rgb_lit_surface", "vec3", "rgb_surface_ambient+rgb_surface_diffuse+rgb_surface_specular", "mp" }, { FRAGMENT, "surface_alpha", "float", "basic_color.a", "!m" }, { FRAGMENT, "surface_alpha", "float", "basic_color.a", "m!l" }, { FRAGMENT, "surface_alpha", "float", "material.diffuse.a", "ml!t" }, - { FRAGMENT, "surface_alpha", "float", "material.diffuse.a*tex_sample.a", "mlt" }, + { FRAGMENT, "surface_alpha", "float", "material.diffuse.a*diffuse_sample.a", "mlt" }, { FRAGMENT, "basic_color", "vec4", "vec4(1.0)", "!m!t" }, - { FRAGMENT, "basic_color", "vec4", "tex_sample", "!mt" }, + { FRAGMENT, "basic_color", "vec4", "diffuse_sample", "!mt" }, { FRAGMENT, "basic_color", "vec4", "color", "m!t" }, - { FRAGMENT, "basic_color", "vec4", "color*tex_sample", "mt" }, + { FRAGMENT, "basic_color", "vec4", "color*diffuse_sample", "mt" }, { FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb", "!t" }, - { FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb*tex_sample.rgb", "t" }, + { FRAGMENT, "rgb_surface_ambient", "vec3", "rgb_illumination_ambient*material.ambient.rgb*diffuse_sample.rgb", "t" }, { FRAGMENT, "rgb_illumination_ambient", "vec3", "ambient_color.rgb", "!y" }, { FRAGMENT, "rgb_illumination_ambient", "vec3", "ambient_color.rgb+l_skylight*sky_color.rgb", "y" }, { FRAGMENT, "l_skylight", "float", "dot(n_zzz_normal, zzz_sky_dir)*0.5+0.5", 0 }, @@ -85,7 +88,7 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { FRAGMENT, "l_specular[i]", "float", "pow(max(dot(n_zzz_half_vec[i], n_zzz_normal), 0.0), material.shininess)", 0 }, { FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb", "!t" }, - { FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb*tex_sample.rgb", "t" }, + { FRAGMENT, "rgb_surface_diffuse", "vec3", "rgb_illumination_diffuse*material.diffuse.rgb*diffuse_sample.rgb", "t" }, { FRAGMENT, "rgb_illumination_diffuse", "vec3", "rgb_light_diffuse", "!s" }, { FRAGMENT, "rgb_illumination_diffuse", "vec3", "rgb_light_diffuse*l_shadow", "s" }, { FRAGMENT, "rgb_light_diffuse[i]", "vec3", "l_diffuse[i]*light_sources[i].diffuse.rgb", 0 }, @@ -100,11 +103,10 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { FRAGMENT, "n_tbn_normal", "vec3", "normal_sample*2.0-1.0", "n" }, { FRAGMENT, "n_eye_normal", "vec3", "normalize(eye_normal)", "!n" }, { FRAGMENT, "normal_sample", "vec3", "texture2D(normalmap, texture_coord).xyz", 0 }, - { FRAGMENT, "tex_sample", "vec4", "texture2D(texture, texture_coord)", 0 }, + { FRAGMENT, "diffuse_sample", "vec4", "texture2D(diffusemap, texture_coord)", 0 }, { VERTEX, "gl_Position", "vec4", "projection_matrix*eye_vertex", 0 }, - { VERTEX, "shd_vertex", "vec3", "vec3(dot(eye_vertex, gl_EyePlaneS[shadow_unit]), dot(eye_vertex, gl_EyePlaneT[shadow_unit]), dot(eye_vertex, gl_EyePlaneR[shadow_unit]))", "g" }, - { VERTEX, "shd_vertex", "vec3", "(shd_eye_matrix*eye_vertex).xyz", "!g" }, + { VERTEX, "shd_vertex", "vec3", "(shd_eye_matrix*eye_vertex).xyz", 0 }, { VERTEX, "tbn_sky_dir", "vec3", "eye_sky_dir*eye_tbn_matrix", "n" }, { VERTEX, "tbn_light_dir[i]", "vec3", "eye_light_dir[i]*eye_tbn_matrix", 0 }, { VERTEX, "eye_light_dir[i]", "vec3", "normalize(eye_light_position[i].xyz-eye_vertex.xyz*eye_light_position[i].w)", 0 }, @@ -125,30 +127,32 @@ const ProgramBuilder::VariableDefinition ProgramBuilder::standard_variables[] = { ATTRIBUTE, "tangent", "vec3", 0, 0 }, { ATTRIBUTE, "binormal", "vec3", 0, 0 }, - { UNIFORM, "shadow_unit", "int", 0, 0 }, - { UNIFORM, "texture", "sampler2D", 0, 0 }, + { UNIFORM, "diffusemap", "sampler2D", 0, 0 }, { UNIFORM, "shadow", "sampler2DShadow", 0, 0 }, - { UNIFORM, "shadow_darkness", "float", 0, 0 }, + { UNIFORM, "ShadowMap::shadow_darkness", "float", 0, 0 }, { UNIFORM, "normalmap", "sampler2D", 0, 0 }, { UNIFORM, "environment", "samplerCube", 0, 0 }, - { UNIFORM, "env_eye_matrix", "mat3", 0, 0 }, - { UNIFORM, "reflectivity", "float", 0, 0 }, - { UNIFORM, "eye_obj_matrix", "mat4", "gl_ModelViewMatrix", 0 }, - { UNIFORM, "eye_obj_normal_matrix", "mat3", "gl_NormalMatrix", 0 }, - { UNIFORM, "projection_matrix", "mat4", "gl_ProjectionMatrix", 0 }, - { UNIFORM, "shd_eye_matrix", "mat4", 0, 0 }, - { UNIFORM, "light_sources", "struct { vec4 position; vec4 diffuse; vec4 specular; }[MAX_LIGHTS]", "gl_LightSource[i]", 0 }, - { UNIFORM, "ambient_color", "vec4", 0, 0 }, - { UNIFORM, "sky_color", "vec4", 0, 0 }, - { UNIFORM, "eye_sky_dir", "vec3", 0, 0 }, - { UNIFORM, "horizon_limit", "float", 0, 0 }, - { UNIFORM, "material", "struct { vec4 ambient; vec4 diffuse; vec4 specular; float shininess; }", "gl_FrontMaterial", 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, "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 }, + { UNIFORM, "Lighting::ambient_color", "vec4", "gl_LightModel.ambient", 0 }, + { UNIFORM, "Lighting::sky_color", "vec4", 0, 0 }, + { UNIFORM, "Lighting::eye_sky_dir", "vec3", 0, 0 }, + { UNIFORM, "Lighting::horizon_limit", "float", 0, 0 }, + { UNIFORM, "Material::material", "MaterialParameters", "gl_FrontMaterial", 0 }, + + { TYPE, "LightSourceParameters", "struct { vec4 position; vec4 diffuse; vec4 specular; }", "gl_LightSourceParameters", 0 }, + { TYPE, "MaterialParameters", "struct { vec4 ambient; vec4 diffuse; vec4 specular; float shininess; }", "gl_MaterialParameters", 0 }, // Terminator entry { NO_SCOPE, 0, 0, 0, 0 } }; -const char ProgramBuilder::interfaces[] = { 0, 0, 0, 'v', 0 }; +const char ProgramBuilder::interfaces[] = { 0, 0, 0, 0, 'v', 0 }; ProgramBuilder::ProgramBuilder(const StandardFeatures &f): features(f), @@ -231,6 +235,12 @@ ProgramBuilder::ProgramBuilder(const StandardFeatures &f): start = semicolon+1; } } + + if((get_gl_api()==OPENGL && !features.legacy) || (get_gl_api()==OPENGL_ES2 && get_glsl_version()>=Version(3, 0))) + { + aliases["texture2D"] = "texture"; + aliases["shadow2D"] = "texture"; + } } void ProgramBuilder::set_optimize(bool o) @@ -272,6 +282,17 @@ void ProgramBuilder::add_shaders(Program &prog) const continue; } + if(def->scope==TYPE) + { + for(list::iterator j=resolved_vars.begin(); j!=resolved_vars.end(); ++j) + if(!(*j)->type && name_match(def->name, (*j)->variable->type)) + (*j)->resolve_type(*def); + + continue; + } + + const char *def_uq_name = unqualified_name(def->name); + // See if this variable can satisfy any unresolved variables ShaderVariable *last_resolved = 0; for(list::iterator j=variables.begin(); j!=variables.end(); ++j) @@ -279,7 +300,7 @@ void ProgramBuilder::add_shaders(Program &prog) const if(j->variable) continue; - if(!name_match(def->name, j->resolved_name.c_str())) + if(!name_match(def_uq_name, j->resolved_name.c_str())) continue; if(last_resolved) @@ -330,7 +351,10 @@ void ProgramBuilder::add_shaders(Program &prog) const if(!features.legacy) { - prog.bind_fragment_data(0, "frag_color"); + // OpenGL ES does not support binding fragment shader outputs + if(get_gl_api()!=OPENGL_ES2) + prog.bind_fragment_data(0, "frag_color"); + prog.bind_attribute(VERTEX4, "vertex"); if(features.lighting) prog.bind_attribute(NORMAL3, "normal"); @@ -350,12 +374,48 @@ string ProgramBuilder::create_source(const list &variables, Va { string source; + bool use_blocks = !features.legacy && ARB_uniform_buffer_object; + if(!features.legacy) - source += "#version 130\n"; + { + if(get_gl_api()==OPENGL_ES2) + { + if(use_blocks) + source += "#version 300 es\n"; + } + else + { + source += "#version 130\n"; + if(use_blocks) + source += "#extension GL_ARB_uniform_buffer_object: require\n"; + } + } + set declared_types; + set uniform_blocks; for(list::const_iterator i=variables.begin(); i!=variables.end(); ++i) if((*i)->variable->scope==UNIFORM && (*i)->is_referenced_from(scope) && !(*i)->inlined) - source += format("uniform %s;\n", (*i)->create_declaration()); + { + if((*i)->type && !declared_types.count((*i)->type)) + { + source += format("%s;\n", (*i)->create_type_declaration()); + declared_types.insert((*i)->type); + } + + if(!(*i)->resolved_block.empty() && use_blocks) + uniform_blocks.insert((*i)->resolved_block); + else + source += format("uniform %s;\n", (*i)->create_declaration()); + } + + for(set::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i) + { + source += format("uniform %s\n{\n", *i); + for(list::const_iterator j=variables.begin(); j!=variables.end(); ++j) + if((*j)->resolved_block==*i) + source += format("\t%s;\n", (*j)->create_declaration()); + source += "};\n"; + } /* Interface variables need to have global declarations. */ for(list::const_iterator i=variables.begin(); i!=variables.end(); ++i) @@ -410,13 +470,13 @@ string ProgramBuilder::create_source(const list &variables, Va decl += "[i]"; } const char *oper = ((*j)->array_sum ? "+=" : "="); - source += format("\t\t%s %s %s;\n", decl, oper, (*j)->create_expression("i")); + source += format("\t\t%s %s %s;\n", decl, oper, create_expression(**j, "i")); } InterfaceFlags interface = (*j)->get_interface_flags(scope); if(interface&OUTPUT) { - string expr = ((*j)->inlined ? (*j)->create_expression("i") : (*j)->resolved_name+"[i]"); + 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); } } @@ -440,12 +500,12 @@ 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()); - source += format("\t%s = %s;\n", decl, (*i)->create_expression()); + source += format("\t%s = %s;\n", decl, create_expression(**i)); } if((interface&(OUTPUT|GOAL))==OUTPUT) { - string expr = ((*i)->inlined ? (*i)->create_expression() : (*i)->resolved_name); + string expr = ((*i)->inlined ? create_expression(**i) : (*i)->resolved_name); source += format("\t%c_%s = %s;\n", interfaces[scope], (*i)->resolved_name, expr); } } @@ -482,6 +542,14 @@ bool ProgramBuilder::evaluate_flags(const char *flags) const return cond; } +const char *ProgramBuilder::unqualified_name(const char *name) +{ + for(const char *p=name; *p; ++p) + if(*p==':' && *++p==':') + name = p+1; + return name; +} + ProgramBuilder::MatchType ProgramBuilder::name_match(const char *n1, const char *n2, const char **space) { int i = 0; @@ -602,12 +670,19 @@ string ProgramBuilder::replace_identifiers(const char *expression, const mapname); + MatchType match = name_match(var_uq_name, resolved_name.c_str(), &space); + + if(var_uq_name!=variable->name) + resolved_block.assign(variable->name, var_uq_name-2); if(match==FUZZY) resolve_space(string(space, 3)); @@ -687,6 +767,11 @@ void ProgramBuilder::ShaderVariable::resolve(ShaderVariable &var) var.referenced_by.insert(var.referenced_by.end(), referenced_by.begin(), referenced_by.end()); } +void ProgramBuilder::ShaderVariable::resolve_type(const VariableDefinition &var) +{ + type = &var; +} + void ProgramBuilder::ShaderVariable::resolve_space(const string &space) { if(fuzzy_space) @@ -867,6 +952,21 @@ ProgramBuilder::InterfaceFlags ProgramBuilder::ShaderVariable::get_interface_fla return static_cast(flags); } +string ProgramBuilder::ShaderVariable::create_type_declaration() const +{ + if(!type) + throw logic_error("no type"); + + if(!strncmp(type->type, "struct", 6)) + { + const char *brace = strchr(type->type, '{'); + if(brace) + return format("struct %s %s", type->name, brace); + } + + throw invalid_variable_definition("invalid typedef"); +} + string ProgramBuilder::ShaderVariable::create_declaration(char interface, bool loop) const { if(variable->scope==UNIFORM && !array_subscript.empty())