annotate src/texture.cc @ 19:f756fc9fdd3e
quick backup
| author |
Eleni Maria Stea <eleni@mutantstargoat.com> |
| date |
Sun, 10 Nov 2013 14:02:36 +0200 |
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| children |
b50ad2711f5f |
| rev |
line source |
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eleni@19
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1 #include <GL/gl.h>
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2 #include <highgui.h>
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3 #include <cv.h>
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4 #include "texture.h"
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5
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6 unsigned int load_texture(const char* fname)
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7 {
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8 IplImage* img = cvLoadImage(fname);
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9 if(!img) {
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10 fprintf(stderr, "Failed to load image: %s\n", fname);
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11 return 0;
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12 }
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13 cv::Mat mat = cv::Mat(img);
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14
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15 unsigned int tex;
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16 glGenTextures(1, &tex);
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17 glBindTexture(GL_TEXTURE_2D, tex);
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18 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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19 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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20 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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21 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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22 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, mat.cols, mat.rows,
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23 0, GL_BGR, GL_UNSIGNED_BYTE, mat.data);
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24
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25 return tex;
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26 }
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