| 1 | #include "GLTexture.hpp" |
| 2 | #include "ZydecoCommon.hpp" |
| 3 |
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| 4 |
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| 5 | static Logger LOGGER("GLTexture"); |
| 6 |
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| 7 |
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| 8 | // static initialize |
| 9 | std::map<std::string, GLTexture*> GLTexture::s_textures = {}; |
| 10 |
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| 11 |
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| 12 | GLTexture& GLTexture::GetGLTexture(std::string name) |
| 13 | { |
| 14 | if (s_textures.contains(name)) { return *s_textures.at(name); } |
| 15 | |
| 16 | ZydecoFault("GetGLTexture({}): Texture not found", name); |
| 17 | } |
| 18 |
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| 19 | GLTexture::GLTexture(std::string texture_name, void *data_source, uint32_t width, uint32_t height): |
| 20 | m_pDataSource(data_source), |
| 21 | m_name(texture_name), |
| 22 | m_width(width), |
| 23 | m_height(height) |
| 24 | { |
| 25 | s_textures.insert({m_name, this}); |
| 26 |
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| 27 | glGenTextures(1, &m_glTextureID); |
| 28 | Regenerate(width, height); |
| 29 | } |
| 30 |
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| 31 | GLTexture::~GLTexture() |
| 32 | { |
| 33 | s_textures.erase(m_name); |
| 34 | glDeleteTextures(1, &m_glTextureID); |
| 35 | } |
| 36 |
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| 37 | void GLTexture::Regenerate(int width, int height) |
| 38 | { |
| 39 | glBindTexture(GL_TEXTURE_2D, m_glTextureID); |
| 40 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT); |
| 41 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT); |
| 42 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| 43 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| 44 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_FLOAT, m_pDataSource); |
| 45 | glFlush(); |
| 46 | } |
| 47 |
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| 48 | void GLTexture::Bind(uint64_t texture_unit) |
| 49 | { |
| 50 | glActiveTexture(GL_TEXTURE0 + texture_unit); |
| 51 | //glBindTextureUnit(texture_unit, m_glTextureID); |
| 52 | glBindTexture(GL_TEXTURE_2D, m_glTextureID); |
| 53 | } |
| 54 |
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Index