| 1 | #ifndef GL_RENDER_OBJECT_HPP_ |
| 2 | #define GL_RENDER_OBJECT_HPP_ |
| 3 |
|
| 4 |
|
| 5 | #include <list> |
| 6 | #include <map> |
| 7 |
|
| 8 | #include <GL/gl3w.h> |
| 9 | #include <glm/glm.hpp> |
| 10 |
|
| 11 | #include "ZydecoCommon.hpp" |
| 12 |
|
| 13 |
|
| 14 | class GLProgram; |
| 15 | class GLTexture; |
| 16 |
|
| 17 |
|
| 18 | enum class glUniformType |
| 19 | { |
| 20 | FLOAT, DOUBLE, INT, UINT, MAT4 |
| 21 | }; |
| 22 |
|
| 23 | struct glUniform |
| 24 | { |
| 25 | public: |
| 26 | enum glUniformType type; |
| 27 | uint8_t quantity; |
| 28 | void **data; |
| 29 | }; |
| 30 |
|
| 31 |
|
| 32 | class GLRenderObject |
| 33 | { |
| 34 | public: |
| 35 | void RenderEnable(); |
| 36 | void RenderDisable(); |
| 37 |
|
| 38 | template<int N, typename T> |
| 39 | constexpr void RenderSetUniform(std::string name, std::array<void*, N> data) |
| 40 | { |
| 41 | glUniform uniform; |
| 42 | if (std::is_same<T, float>::value) { uniform.type = glUniformType::FLOAT; } |
| 43 | else if (std::is_same<T, double>::value) { uniform.type = glUniformType::DOUBLE; } |
| 44 | else if (std::is_same<T, int>::value) { uniform.type = glUniformType::INT; } |
| 45 | else if (std::is_same<T, long int>::value) { uniform.type = glUniformType::INT; } |
| 46 | else if (std::is_same<T, unsigned int>::value) { uniform.type = glUniformType::UINT; } |
| 47 | else if (std::is_same<T, unsigned long int>::value) { uniform.type = glUniformType::UINT; } |
| 48 | else if (std::is_same<T, glm::mat4>::value) { uniform.type = glUniformType::MAT4; } |
| 49 | else { ZydecoFault("RenderSetUniform('{}'): Unknown data type {}", name, typeid(T).name()); } |
| 50 |
|
| 51 | uniform.quantity = N; |
| 52 | uniform.data = new void *[N]; |
| 53 | std::copy(std::begin(data), std::end(data), uniform.data); |
| 54 |
|
| 55 |
|
| 56 | m_uniforms.insert(std::pair<std::string, glUniform>(name, uniform)); |
| 57 | } |
| 58 |
|
| 59 | void AddTexture(uint64_t texture_unit, GLTexture *texture); |
| 60 |
|
| 61 | protected: |
| 62 | friend class Renderer; |
| 63 |
|
| 64 | GLRenderObject(std::string gl_program_name, uint64_t render_order); |
| 65 | ~GLRenderObject(); |
| 66 |
|
| 67 | virtual void Render() = 0; |
| 68 | static std::map<uint64_t, std::list<GLRenderObject*>>& GetRenderObjects(); |
| 69 | void GLTargetSetup(); |
| 70 | bool m_renderEnabled; |
| 71 |
|
| 72 | private: |
| 73 | static std::map<uint64_t, std::list<GLRenderObject*>> s_renderObjects; |
| 74 |
|
| 75 | GLProgram *m_glProgram; |
| 76 | uint64_t m_renderOrder; |
| 77 | std::map<std::string, glUniform> m_uniforms; |
| 78 | std::map<uint64_t, GLTexture*> m_textures; |
| 79 | }; |
| 80 |
|
| 81 | #endif /* GL_RENDER_OBJECT_HPP_ */ |
| 82 |
|
Index