| 1 | #include <GL/gl3w.h> |
| 2 |
|
| 3 | #include "ZydecoCommon.hpp" |
| 4 | #include "GLProgram.hpp" |
| 5 | #include "GLShader.hpp" |
| 6 |
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| 7 |
|
| 8 | static Logger LOGGER("GLProgram"); |
| 9 |
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| 10 |
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| 11 | // static initialize members |
| 12 | std::map<std::string, GLProgram*> GLProgram::s_glPrograms {}; |
| 13 |
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| 14 |
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| 15 | GLProgram *GLProgram::GetGLProgram(std::string name) |
| 16 | { |
| 17 | if (!s_glPrograms.count(name)) { ZydecoFault("GetGLProgram(): Program '{}' does not exist", name); } |
| 18 | return s_glPrograms.at(name); |
| 19 | } |
| 20 |
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| 21 | GLProgram::GLProgram(std::string name, std::vector<GLShader*> shaders) |
| 22 | { |
| 23 | LOGGER.Log(Logger::TRACE, "GLProgram(name: {}, ...)", name); |
| 24 | m_glProgramId = glCreateProgram(); |
| 25 | m_glProgramName = name; |
| 26 |
|
| 27 | for (GLShader *p_shader : shaders) |
| 28 | { |
| 29 | glAttachShader(m_glProgramId, p_shader->GetGLShaderID()); |
| 30 | } |
| 31 |
|
| 32 | glLinkProgram(m_glProgramId); |
| 33 |
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| 34 | int success; |
| 35 | char infoLog[512]; |
| 36 | glGetProgramiv(m_glProgramId, GL_LINK_STATUS, &success); |
| 37 | if(!success) |
| 38 | { |
| 39 | glGetShaderInfoLog(m_glProgramId, 512, NULL, infoLog); |
| 40 | ZydecoFault("Shader program linking failed:\n{}", infoLog); |
| 41 | } |
| 42 |
|
| 43 | for (GLShader *p_shader : shaders) |
| 44 | { |
| 45 | glDetachShader(m_glProgramId, p_shader->GetGLShaderID()); |
| 46 | } |
| 47 |
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| 48 | s_glPrograms.emplace(std::pair<std::string, GLProgram*>(m_glProgramName, this)); |
| 49 | } |
| 50 |
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| 51 | GLProgram::~GLProgram() |
| 52 | { |
| 53 | LOGGER.Log(Logger::TRACE, "~GLProgram() for '{}'", m_glProgramName); |
| 54 | glDeleteProgram(m_glProgramId); |
| 55 | s_glPrograms.erase(m_glProgramName); |
| 56 | } |
| 57 |
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| 58 | uint64_t GLProgram::GetGLProgramID() |
| 59 | { |
| 60 | return m_glProgramId; |
| 61 | } |
| 62 |
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| 63 | std::string GLProgram::GetGLProgramName() |
| 64 | { |
| 65 | return m_glProgramName; |
| 66 | } |
| 67 |
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