--- /dev/null
+CXX = g++ --std=c++11
+LDXX = g++
+
+LIBS = sdl2 SDL2_image SDL2_ttf glew openal freealut
+
+PKGFLAGS := $(shell pkg-config --cflags $(LIBS))
+PKGLIBS := $(shell pkg-config --libs $(LIBS))
+TESTFLAGS := $(shell pkg-config --cflags cppunit)
+TESTLIBS := $(shell pkg-config --libs cppunit)
+
+CPPFLAGS ?=
+CPPFLAGS += $(PKGFLAGS)
+CXXFLAGS ?=
+CXXFLAGS += -Wall
+#CXXFLAGS += -march=native
+LDXXFLAGS ?=
+LDXXFLAGS += $(PKGLIBS)
+
+DEBUG_FLAGS = -g3 -O0
+PROFILE_FLAGS = -DNDEBUG -O1 -g3
+RELEASE_FLAGS = -DNDEBUG -O2 -g1
+TEST_FLAGS = -g -O2 -I./src $(TESTFLAGS)
+
+SOURCE_DIR := src
+TEST_SRC_DIR := tst
+DEBUG_DIR := build/debug
+PROFILE_DIR := build/profile
+RELEASE_DIR := build/release
+TEST_DIR := build/test
+DIR := $(RELEASE_DIR) $(DEBUG_DIR) $(PROFILE_DIR) $(TEST_DIR) build
+
+#ASSET_DIR := assets
+#ASSET_DEP := $(ASSET_DIR)/.git
+
+LIB_SRC := $(wildcard $(SOURCE_DIR)/*/*.cpp)
+BIN_SRC := $(wildcard $(SOURCE_DIR)/*.cpp)
+SRC := $(LIB_SRC) $(BIN_SRC)
+TEST_SRC := $(wildcard $(TEST_SRC_DIR)/*.cpp) $(wildcard $(TEST_SRC_DIR)/*/*.cpp)
+RELEASE_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(RELEASE_DIR)/%.o, $(SRC))
+RELEASE_LIB_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(RELEASE_DIR)/%.o, $(LIB_SRC))
+DEBUG_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(DEBUG_DIR)/%.o, $(SRC))
+DEBUG_LIB_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(DEBUG_DIR)/%.o, $(LIB_SRC))
+PROFILE_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(PROFILE_DIR)/%.o, $(SRC))
+PROFILE_LIB_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(PROFILE_DIR)/%.o, $(LIB_SRC))
+TEST_OBJ := $(patsubst $(TEST_SRC_DIR)/%.cpp, $(TEST_DIR)/%.o, $(TEST_SRC)) $(patsubst $(SOURCE_DIR)/%.cpp, $(TEST_DIR)/src/%.o, $(LIB_SRC))
+RELEASE_DEP := $(RELEASE_OBJ:.o=.d)
+DEBUG_DEP := $(DEBUG_OBJ:.o=.d)
+PROFILE_DEP := $(PROFILE_OBJ:.o=.d)
+TEST_DEP := $(TEST_OBJ:.o=.d)
+RELEASE_BIN := tacos
+DEBUG_BIN := tacos.debug
+PROFILE_BIN := tacos.profile
+TEST_BIN := tacos.test
+OBJ := $(RELEASE_OBJ) $(DEBUG_OBJ) $(PROFILE_OBJ) $(TEST_OBJ)
+DEP := $(RELEASE_DEP) $(DEBUG_DEP) $(PROFILE_DEP) $(TEST_DEP)
+BIN := $(RELEASE_BIN) $(DEBUG_BIN) $(PROFILE_BIN) $(TEST_BIN)
+
+release: $(RELEASE_BIN)
+
+all: $(BIN)
+
+debug: $(DEBUG_BIN)
+
+profile: $(PROFILE_BIN)
+
+tests: $(TEST_BIN)
+
+run: $(ASSET_DEP) tacos
+ ./tacos
+
+gdb: $(ASSET_DEP) tacos.debug
+ gdb ./tacos.debug
+
+cachegrind: $(ASSET_DEP) tacos.profile
+ valgrind ./tacos.profile
+
+callgrind: $(ASSET_DEP) tacos.profile
+ valgrind --tool=callgrind \
+ --branch-sim=yes --cacheuse=yes --cache-sim=yes \
+ --collect-bus=yes --collect-systime=yes --collect-jumps=yes \
+ --dump-instr=yes --simulate-hwpref=yes --simulate-wb=yes \
+ ./tacos.profile
+
+test: tacos.test
+ ./tacos.test
+
+clean:
+ rm -df $(OBJ) $(DEP) $(DIR)
+
+distclean: clean
+ rm -f $(BIN) cachegrind.out.* callgrind.out.*
+ rm -Rf build
+
+.PHONY: all release debug profile tests run gdb cachegrind callgrind test clean distclean
+
+-include $(DEP)
+
+$(RELEASE_BIN): %: $(RELEASE_DIR)/%.o $(RELEASE_LIB_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(RELEASE_FLAGS) $^
+
+$(DEBUG_BIN): %.debug: $(DEBUG_DIR)/%.o $(DEBUG_LIB_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(DEBUG_FLAGS) $^
+
+$(PROFILE_BIN): %.profile: $(PROFILE_DIR)/%.o $(PROFILE_LIB_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(PROFILE_FLAGS) $^
+
+$(TEST_BIN): $(TEST_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(TESTLIBS) $(TEST_FLAGS) $^
+
+#$(ASSET_DEP): .git/$(shell git symbolic-ref HEAD)
+# @git submodule update --init >/dev/null
+# @touch $@
+
+$(RELEASE_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(RELEASE_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(RELEASE_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(DEBUG_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(DEBUG_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(DEBUG_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(PROFILE_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(PROFILE_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(PROFILE_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(TEST_DIR)/%.o: $(TEST_SRC_DIR)/%.cpp | $(TEST_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(TEST_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(TEST_DIR)/src/%.o: $(SOURCE_DIR)/%.cpp | $(TEST_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(TEST_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(DIR):
+ @mkdir -p "$@"
--- /dev/null
+#include "error.hpp"
+
+#include <alut.h>
+#include <SDL.h>
+#include <GL/glew.h>
+
+using std::runtime_error;
+using std::string;
+
+
+namespace {
+
+const char *sdl_error_flush() {
+ const char *err = SDL_GetError();
+ if (err && *err) {
+ SDL_ClearError();
+ }
+ return err;
+}
+
+string error_append(string msg, const char *err) {
+ if (err && *err) {
+ msg += ": ";
+ msg += err;
+ }
+ return msg;
+}
+
+}
+
+namespace tacos {
+
+AlutError::AlutError(const char *msg)
+: runtime_error(error_append(msg, alutGetErrorString(alutGetError()))) {
+
+}
+
+
+GLError::GLError(const char *msg)
+: runtime_error(error_append(msg, reinterpret_cast<const char *>(gluErrorString(glGetError())))) {
+
+}
+
+
+GLCompileError::GLCompileError(const char *msg, const char *log)
+: runtime_error(error_append(msg, reinterpret_cast<const char *>(gluErrorString(glGetError()))) + '\n' + log) {
+
+}
+
+
+SDLError::SDLError(const char *msg)
+: runtime_error(error_append(msg, sdl_error_flush())) {
+
+}
+
+}
--- /dev/null
+#ifndef TACOS_APP_ERROR_HPP_
+#define TACOS_APP_ERROR_HPP_
+
+#include <stdexcept>
+
+
+namespace tacos {
+
+struct AlutError
+: public std::runtime_error {
+
+ explicit AlutError(const char *msg);
+
+};
+
+
+struct GLError
+: public std::runtime_error {
+
+ explicit GLError(const char *msg);
+
+};
+
+
+struct GLCompileError
+: public std::runtime_error {
+
+ explicit GLCompileError(const char *msg, const char *log);
+
+};
+
+
+struct SDLError
+: public std::runtime_error {
+
+ explicit SDLError(const char *msg);
+
+};
+
+}
+
+#endif
--- /dev/null
+#include "init.hpp"
+
+#include "error.hpp"
+
+#include <alut.h>
+#include <SDL.h>
+#include <SDL_image.h>
+#include <SDL_ttf.h>
+
+
+namespace tacos {
+
+InitAlut::InitAlut() {
+ if (!alutInit(nullptr, nullptr)) {
+ throw AlutError("alutInit(nullptr, nullptr)");
+ }
+}
+
+InitAlut::~InitAlut() {
+ if (!alutExit()) {
+ throw AlutError("alutExit()");
+ }
+}
+
+
+InitGL::InitGL(bool double_buffer, int multi_sample) {
+ if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3)");
+ }
+ if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3)");
+ }
+ if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE)");
+ }
+
+ if (!double_buffer) {
+ if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0)");
+ }
+ }
+
+ if (multi_sample > 1) {
+ if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1)");
+ }
+ if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, multi_sample) != 0) {
+ throw SDLError("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, x)");
+ }
+ }
+}
+
+
+InitIMG::InitIMG() {
+ if (IMG_Init(IMG_INIT_PNG) == 0) {
+ throw SDLError("IMG_Init(IMG_INIT_PNG)");
+ }
+}
+
+InitIMG::~InitIMG() noexcept {
+ IMG_Quit();
+}
+
+
+InitSDL::InitSDL() {
+ if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+ throw SDLError("SDL_Init(SDL_INIT_VIDEO)");
+ }
+ // SDL seems to start out in text input state
+ SDL_StopTextInput();
+}
+
+InitSDL::~InitSDL() noexcept {
+ SDL_Quit();
+}
+
+
+InitTTF::InitTTF() {
+ if (TTF_Init() != 0) {
+ throw SDLError("TTF_Init()");
+ }
+}
+
+InitTTF::~InitTTF() noexcept {
+ TTF_Quit();
+}
+
+}
--- /dev/null
+#ifndef TACOS_APP_INIT_HPP_
+#define TACOS_APP_INIT_HPP_
+
+namespace tacos {
+
+struct InitAlut {
+
+ InitAlut();
+ ~InitAlut();
+
+ InitAlut(const InitAlut &) = delete;
+ InitAlut &operator =(const InitAlut &) = delete;
+
+};
+
+struct InitGL {
+
+ InitGL(bool double_buffer = true, int samples = 1);
+
+};
+
+struct InitIMG {
+
+ InitIMG();
+ ~InitIMG() noexcept;
+
+ InitIMG(const InitIMG &) = delete;
+ InitIMG &operator =(const InitIMG &) = delete;
+
+};
+
+struct InitSDL {
+
+ InitSDL();
+ ~InitSDL() noexcept;
+
+ InitSDL(const InitSDL &) = delete;
+ InitSDL &operator =(const InitSDL &) = delete;
+
+};
+
+struct InitTTF {
+
+ InitTTF();
+ ~InitTTF() noexcept;
+
+ InitTTF(const InitTTF &) = delete;
+ InitTTF &operator =(const InitTTF &) = delete;
+
+};
+
+struct Init {
+
+ InitSDL sdl;
+ InitGL gl;
+ InitIMG img;
+ InitTTF ttf;
+ InitAlut alut;
+
+};
+
+}
+
+#endif
--- /dev/null
+#include "window.hpp"
+
+#include "error.hpp"
+
+#include <stdexcept>
+#include <string>
+#include <GL/glew.h>
+
+
+namespace tacos {
+
+Window::Window() {
+ window = SDL_CreateWindow(
+ "tacos", // title
+ SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, // position
+ 1440, 900, // size
+ SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE // flags
+ );
+ if (!window) {
+ throw SDLError("SDL_CreateWindow");
+ }
+ context = SDL_GL_CreateContext(window);
+ if (!context) {
+ SDL_DestroyWindow(window);
+ throw SDLError("SDL_GL_CreateContext");
+ }
+ glewExperimental = GL_TRUE;
+ GLenum err = glewInit();
+ if (err != GLEW_OK) {
+ SDL_GL_DeleteContext(context);
+ SDL_DestroyWindow(window);
+ std::string msg("glewInit: ");
+ msg += reinterpret_cast<const char *>(glewGetErrorString(err));
+ throw std::runtime_error(msg);
+ }
+}
+
+Window::~Window() noexcept {
+ SDL_GL_DeleteContext(context);
+ SDL_DestroyWindow(window);
+}
+
+void Window::Flip() noexcept {
+ SDL_GL_SwapWindow(window);
+}
+
+
+}
--- /dev/null
+#ifndef TACOS_APP_WINDOW_HPP_
+#define TACOS_APP_WINDOW_HPP_
+
+#include <SDL.h>
+
+
+namespace tacos {
+
+class Window {
+
+public:
+ Window();
+ ~Window() noexcept;
+
+ Window(const Window &) = delete;
+ Window &operator =(const Window &) = delete;
+
+ void Flip() noexcept;
+
+private:
+ SDL_Window *window;
+ SDL_GLContext context;
+
+};
+
+}
+
+#endif
--- /dev/null
+#include "shader.hpp"
+
+#include "../app/error.hpp"
+
+#include <algorithm>
+#include <memory>
+#include <GL/glew.h>
+#include <glm/gtc/type_ptr.hpp>
+
+
+namespace tacos {
+
+Shader Shader::Vertex(const GLchar *source) {
+ return Shader(GL_VERTEX_SHADER, source);
+}
+
+Shader Shader::Fragment(const GLchar *source) {
+ return Shader(GL_FRAGMENT_SHADER, source);
+}
+
+Shader::Shader(GLenum type, const GLchar *source)
+: shader(glCreateShader(type)) {
+ if (shader == 0) {
+ throw GLError("glCreateShader");
+ }
+ const GLchar *sources[] = { source };
+ glShaderSource(shader, 1, sources, nullptr);
+ glCompileShader(shader);
+ GLint compiled = GL_FALSE;
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+ if (compiled != GL_TRUE) {
+ int log_length = 0, max_length = 0;
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &max_length);
+ ++max_length;
+ std::unique_ptr<char[]> log(new char[max_length]);
+ glGetShaderInfoLog(shader, max_length, &log_length, log.get());
+ log[log_length] = '\0';
+ glDeleteShader(shader);
+ throw GLCompileError("glCompileShader", log.get());
+ }
+}
+
+Shader::~Shader() noexcept {
+ if (shader != 0) {
+ glDeleteShader(shader);
+ }
+}
+
+Shader::Shader(Shader &&other) noexcept
+: shader(other.shader) {
+ other.shader = 0;
+}
+
+Shader &Shader::operator =(Shader &&other) noexcept {
+ std::swap(shader, other.shader);
+ return *this;
+}
+
+
+Program::Program()
+: program(glCreateProgram()) {
+ if (program == 0) {
+ throw GLError("glCreateProgram");
+ }
+}
+
+Program::~Program() noexcept {
+ glDeleteProgram(program);
+}
+
+void Program::Attach(const Shader &shader) noexcept {
+ glAttachShader(program, shader.shader);
+}
+
+void Program::Link() {
+ glLinkProgram(program);
+ GLint linked = GL_FALSE;
+ glGetProgramiv(program, GL_LINK_STATUS, &linked);
+ if (linked != GL_TRUE) {
+ int log_length = 0, max_length = 0;
+ glGetProgramiv(program, GL_INFO_LOG_LENGTH, &max_length);
+ ++max_length;
+ std::unique_ptr<char[]> log(new char[max_length]);
+ glGetProgramInfoLog(program, max_length, &log_length, log.get());
+ log[log_length] = '\0';
+ throw GLCompileError("glLinkProgram", log.get());
+ }
+}
+
+void Program::Use() noexcept {
+ glUseProgram(program);
+}
+
+GLint Program::AttributeLocation(const GLchar *name) const noexcept {
+ return glGetAttribLocation(program, name);
+}
+
+GLint Program::UniformLocation(const GLchar *name) const noexcept {
+ return glGetUniformLocation(program, name);
+}
+
+void Program::Uniform(GLint loc, GLint val) noexcept {
+ glUniform1i(loc, val);
+}
+
+void Program::Uniform(GLint loc, float val) noexcept {
+ glUniform1f(loc, val);
+}
+
+void Program::Uniform(GLint loc, const glm::vec3 &val) noexcept {
+ glUniform3fv(loc, 1, glm::value_ptr(val));
+}
+
+void Program::Uniform(GLint loc, const glm::vec4 &val) noexcept {
+ glUniform4fv(loc, 1, glm::value_ptr(val));
+}
+
+void Program::Uniform(GLint loc, const glm::mat4 &val) noexcept {
+ glUniformMatrix4fv(loc, 1, GL_FALSE, glm::value_ptr(val));
+}
+
+}
--- /dev/null
+#ifndef TACOS_GRAPHICS_SHADER_HPP_
+#define TACOS_GRAPHICS_SHADER_HPP_
+
+#include <GL/glew.h>
+#include <glm/glm.hpp>
+
+
+namespace tacos {
+
+class Shader {
+
+ friend class Program;
+
+public:
+ static Shader Vertex(const GLchar *source);
+ static Shader Fragment(const GLchar *source);
+
+ ~Shader() noexcept;
+
+ Shader(Shader &&) noexcept;
+ Shader &operator =(Shader &&) noexcept;
+
+ Shader(const Shader &) = delete;
+ Shader &operator =(const Shader &) = delete;
+
+private:
+ explicit Shader(GLenum type, const GLchar *source);
+
+private:
+ GLuint shader;
+
+};
+
+
+class Program {
+
+public:
+ Program();
+ ~Program() noexcept;
+
+ Program(const Program &) = delete;
+ Program &operator =(const Program &) = delete;
+
+ void Attach(const Shader &) noexcept;
+ void Link();
+
+ void Use() noexcept;
+
+ GLint AttributeLocation(const GLchar *name) const noexcept;
+ GLint UniformLocation(const GLchar *name) const noexcept;
+
+ void Uniform(GLint, GLint) noexcept;
+ void Uniform(GLint, float) noexcept;
+ void Uniform(GLint, const glm::vec3 &) noexcept;
+ void Uniform(GLint, const glm::vec4 &) noexcept;
+ void Uniform(GLint, const glm::mat4 &) noexcept;
+
+private:
+ GLuint program;
+
+};
+
+}
+
+#endif
--- /dev/null
+#include "app/init.hpp"
+#include "app/window.hpp"
+
+using namespace tacos;
+
+int main(int argc, char *argv[]) {
+ Init init;
+ Window window;
+ return 0;
+}
--- /dev/null
+#include <cppunit/extensions/TestFactoryRegistry.h>
+#include <cppunit/ui/text/TestRunner.h>
+
+using CppUnit::TestFactoryRegistry;
+using CppUnit::TextUi::TestRunner;
+
+
+int main(int, char **) {
+ TestRunner runner;
+ TestFactoryRegistry ®istry = TestFactoryRegistry::getRegistry();
+ runner.addTest(registry.makeTest());
+ runner.run();
+
+ return 0;
+
+}