| 1 | #ifndef GL_UNIFORM_UPLOADER_HPP_ |
| 2 | #define GL_UNIFORM_UPLOADER_HPP_ |
| 3 |
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| 4 |
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| 5 | #include <string> |
| 6 | #include <array> |
| 7 | #include <map> |
| 8 |
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| 9 |
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| 10 | enum class glUniformType |
| 11 | { |
| 12 | FLOAT, DOUBLE, INT, UINT, MAT4 |
| 13 | }; |
| 14 |
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| 15 | struct glUniform |
| 16 | { |
| 17 | public: |
| 18 | enum glUniformType type; |
| 19 | uint8_t quantity; |
| 20 | void **data; |
| 21 | }; |
| 22 |
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| 23 |
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| 24 | class GLUniformUploader |
| 25 | { |
| 26 | public: |
| 27 | GLUniformUploader() = default; |
| 28 | ~GLUniformUploader() = default; |
| 29 |
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| 30 | // todo: interface for removing/updating uniform pointer? |
| 31 | template<int N, typename T> |
| 32 | void AssignUniformPointer(std::string name, std::array<void*, N> data) |
| 33 | { |
| 34 | glUniform uniform; |
| 35 | if (std::is_same<T, float>::value) { uniform.type = glUniformType::FLOAT; } |
| 36 | else if (std::is_same<T, double>::value) { uniform.type = glUniformType::DOUBLE; } |
| 37 | else if (std::is_same<T, int>::value) { uniform.type = glUniformType::INT; } |
| 38 | else if (std::is_same<T, long int>::value) { uniform.type = glUniformType::INT; } |
| 39 | else if (std::is_same<T, unsigned int>::value) { uniform.type = glUniformType::UINT; } |
| 40 | else if (std::is_same<T, unsigned long int>::value) { uniform.type = glUniformType::UINT; } |
| 41 | else if (std::is_same<T, glm::mat4>::value) { uniform.type = glUniformType::MAT4; } |
| 42 | else { ZydecoFault("RenderSetUniform('{}'): Unknown data type {}", name, typeid(T).name()); } |
| 43 |
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| 44 | uniform.quantity = N; |
| 45 | uniform.data = new void *[N]; |
| 46 | std::copy(std::begin(data), std::end(data), uniform.data); |
| 47 |
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| 48 | m_uniforms.insert(std::pair<std::string, glUniform>(name, uniform)); |
| 49 | } |
| 50 |
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| 51 | void UploadUniforms(uint64_t program_id); |
| 52 |
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| 53 | public: |
| 54 | std::map<std::string, glUniform> m_uniforms; |
| 55 | }; |
| 56 |
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| 57 |
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| 58 | #endif |
| 59 |
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