38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include "load_texture.h"
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#include <iostream>
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#include <FreeImage.h>
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namespace Texture {
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GLuint LoadTexture(const char* filePath) {
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FIBITMAP* bitmap = FreeImage_Load(FIF_TIFF, filePath, TIFF_DEFAULT);
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if(!bitmap) {
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std::cerr << "Failed to load TIFF image: " << filePath << std::endl;
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}
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FIBITMAP* bitmap32 = FreeImage_ConvertTo32Bits(bitmap);
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FreeImage_Unload(bitmap);
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int width = FreeImage_GetWidth(bitmap32);
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int height = FreeImage_GetHeight(bitmap32);
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BYTE* pixels = FreeImage_GetBits(bitmap32);
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GLuint textureID;
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glGenTextures(1, &textureID);
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glBindTexture(GL_TEXTURE_2D, textureID);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, pixels);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glBindTexture(GL_TEXTURE_2D, 0);
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FreeImage_Unload(bitmap32);
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return textureID;
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}
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} |