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EMI: Implement Specialty Textures in OpenGL

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This commit is contained in:
Joel Teichroeb 2012-04-12 17:53:03 -07:00
parent 640889b805
commit 78ec6f4aa9
9 changed files with 89 additions and 14 deletions
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31
engines/grim/gfx_opengl.cpp
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@ -1587,6 +1587,37 @@ void GfxOpenGL::drawPolygon(PrimitiveObject *primitive) {
glEnable(GL_LIGHTING);
}
void GfxOpenGL::createSpecialtyTextures() {
//make a buffer big enough to hold any of the textures
char *buffer = new char[256*256*4];
glReadPixels(0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[0].create(buffer, 256, 256);
glReadPixels(256, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[1].create(buffer, 256, 256);
glReadPixels(512, 0, 128, 128, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[2].create(buffer, 128, 128);
glReadPixels(512, 128, 128, 128, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[3].create(buffer, 128, 128);
glReadPixels(0, 256, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[4].create(buffer, 256, 256);
glReadPixels(256, 256, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[5].create(buffer, 256, 256);
glReadPixels(512, 256, 128, 128, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[6].create(buffer, 128, 128);
glReadPixels(512, 384, 128, 128, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
_specialty[7].create(buffer, 128, 128);
delete[] buffer;
}
} // end of namespace Grim
#endif