void set_texture()
{
alloc_tex();
int height_delta = BLOCK_SIZE / tex_w / 3;
int i;
/* Since the pcie hybrid version reuses the same memory to compute different portions of the image,
the SW_ONLY executable should use a non-zero OFFSET*/
#ifdef SW_ONLY
#define OFFSET (i*tex_w)
#else
#define OFFSET (0)
#endif
for (i = 0; i < height; i += height_delta) {
calc_mandel(scale, cx, cy, SHARED_tex+OFFSET, tex_w, max_iter, width, i, MIN(i+height_delta,height), height);
memcpy_from_shared(tex[i], SHARED_tex, height_delta * tex_w * 3);
}
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, 3, tex_w, tex_h,
0, GL_RGB, GL_UNSIGNED_BYTE, tex[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
render();
}
void TexPacket::alloc(unsigned int _width, unsigned int _height) {
width = _width;
height = _height;
if (tex || fb) {
WARNING("WARNING: TexPacket::alloc on non-zero tex/fb: " << tex << "/" << fb);
}
if (width > 10000 || height > 10000) {
assert(0);
}
alloc_tex(width, height, tex);
alloc_fb(tex, fb);
Graphics::gl_errors("TexPacket::alloc");
}