15-462 Lecture 13: Texture Mapping

03/14/2002

15-462 Graphics I

glTexCoord2f

glEnable(GL_TEXTURE_2D);

glTexImage2D(GL_TEXTURE_2D, 0, 3, texture->nx, texture->ny, 0, GL_RGB, GL_UNSIGNED_BYTE, texture->pix);

glBegin(GL_POLYGON);

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glTexCoord2f(1.0, 1.0);

• glVertex3f(1.0, 0.0, 1.0);

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• glTexCoord2f(1.0, -1.0);

• glVertex3f(1.0, 0.0, -1.0);

glTexCoord2f(-1.0, -1.0);

glVertex3f(-1.0, 0.0, -1.0);

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• glTexCoord2f(-1.0, 1.0);

• glVertex3f(-1.0, 0.0, 1.0);

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glEnd();