| 1 | #ifndef GL_RENDER_OBJECT_HPP_ |
| 2 | #define GL_RENDER_OBJECT_HPP_ |
| 3 |
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| 4 |
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| 5 | #include <list> |
| 6 | #include <map> |
| 7 |
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| 8 | #include <GL/gl3w.h> |
| 9 | #include <glm/glm.hpp> |
| 10 |
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| 11 | #include "ZydecoCommon.hpp" |
| 12 |
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| 13 |
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| 14 | class GLProgram; |
| 15 |
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| 16 |
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| 17 | enum class glUniformType |
| 18 | { |
| 19 | FLOAT, INT, UINT |
| 20 | }; |
| 21 |
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| 22 | struct glUniform |
| 23 | { |
| 24 | public: |
| 25 | enum glUniformType type; |
| 26 | uint8_t quantity; |
| 27 | void **data; |
| 28 | }; |
| 29 |
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| 30 |
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| 31 | class GLRenderObject |
| 32 | { |
| 33 | public: |
| 34 | void RenderEnable(); |
| 35 | void RenderDisable(); |
| 36 |
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| 37 | template<int N, typename T> |
| 38 | constexpr void RenderSetUniform(std::string name, std::array<void*, N> data) |
| 39 | { |
| 40 | glUniform uniform; |
| 41 | if (std::is_same<T, float>::value) { uniform.type = glUniformType::FLOAT; } |
| 42 | else if (std::is_same<T, int>::value) { uniform.type = glUniformType::INT; } |
| 43 | else if (std::is_same<T, long int>::value) { uniform.type = glUniformType::INT; } |
| 44 | else if (std::is_same<T, unsigned int>::value) { uniform.type = glUniformType::UINT; } |
| 45 | else if (std::is_same<T, long unsigned int>::value) { uniform.type = glUniformType::UINT; } |
| 46 | else { ZydecoFault("RenderSetUniform({}): Unknown data type {}", name, typeid(T).name()); } |
| 47 |
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| 48 | uniform.quantity = N; |
| 49 | uniform.data = new void *[N]; |
| 50 | std::copy(std::begin(data), std::end(data), uniform.data); |
| 51 |
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| 52 |
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| 53 | m_uniforms.insert(std::pair<std::string, glUniform>(name, uniform)); |
| 54 | } |
| 55 |
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| 56 | protected: |
| 57 | friend class Renderer; |
| 58 |
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| 59 | GLRenderObject(std::string gl_program_name, uint64_t render_order); |
| 60 | ~GLRenderObject(); |
| 61 |
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| 62 | virtual void Render() = 0; |
| 63 | static std::map<uint64_t, std::list<GLRenderObject*>>& GetRenderObjects(); |
| 64 | void GLTargetSetup(); |
| 65 | bool m_renderEnabled; |
| 66 |
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| 67 | private: |
| 68 | static std::map<uint64_t, std::list<GLRenderObject*>> s_renderObjects; |
| 69 |
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| 70 | GLProgram *m_glProgram; |
| 71 | uint64_t m_renderOrder; |
| 72 | std::map<std::string, glUniform> m_uniforms; |
| 73 | }; |
| 74 |
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| 75 | #endif /* GL_RENDER_OBJECT_HPP_ */ |
| 76 |
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