Initial commit

main/rendering/graphics_interface.h

@@ -0,0 +1,123 @@
+#pragma once
+
+#include "boost/core/noncopyable.hpp"
+#include <vector>
+
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/mat4x4.hpp>
+#include <glm/vec2.hpp>
+#include <glm/vec3.hpp>
+#include <glm/vec4.hpp>
+
+#include "image.h"
+
+namespace progressia {
+namespace main {
+
+struct Vertex {
+
+    using Index = uint16_t;
+
+    glm::vec3 position;
+    glm::vec4 color;
+    glm::vec3 normal;
+    glm::vec2 texCoord;
+};
+
+class Texture : private boost::noncopyable {
+  public:
+    using Backend = void *;
+
+  private:
+    Backend backend;
+
+    friend class Primitive;
+
+  public:
+    Texture(Backend);
+    ~Texture();
+};
+
+class Primitive : private boost::noncopyable {
+  public:
+    using Backend = void *;
+
+  private:
+    Backend backend;
+
+    friend class GraphicsInterface;
+
+  public:
+    Primitive(Backend);
+    ~Primitive();
+
+    void draw();
+
+    const Texture *getTexture() const;
+};
+
+class View : private boost::noncopyable {
+  public:
+    using Backend = void *;
+
+  private:
+    Backend backend;
+
+  public:
+    View(Backend);
+    ~View();
+
+    void configure(const glm::mat4 &proj, const glm::mat4 &view);
+    void use();
+};
+
+class Light : private boost::noncopyable {
+  public:
+    using Backend = void *;
+
+  private:
+    Backend backend;
+
+  public:
+    Light(Backend);
+    ~Light();
+
+    void configure(const glm::vec3 &color, const glm::vec3 &from,
+                   float contrast, float softness);
+    void use();
+};
+
+class GraphicsInterface : private boost::noncopyable {
+  public:
+    using Backend = void *;
+
+  private:
+    Backend backend;
+
+  public:
+    GraphicsInterface(Backend);
+    ~GraphicsInterface();
+
+    Texture *newTexture(const Image &);
+
+    Primitive *newPrimitive(const std::vector<Vertex> &,
+                            const std::vector<Vertex::Index> &,
+                            Texture *texture);
+
+    glm::vec2 getViewport() const;
+
+    void setModelTransform(const glm::mat4 &);
+
+    View *newView();
+    Light *newLight();
+
+    void flush();
+    void startNextLayer();
+
+    float tmp_getTime();
+    uint64_t getLastStartedFrame();
+};
+
+} // namespace main
+} // namespace progressia