int main(int argc, char **argv) {
plx_texture_t * txr;
int done;
float y, xoffs;
// Init PVR
pvr_init_defaults();
// Load a texture
txr = plx_txr_load("/rd/dan.jpg", 0, 0);
if(!txr)
return 0;
// Setup a texture context
plx_cxt_init();
plx_cxt_texture(txr);
plx_cxt_culling(PLX_CULL_NONE);
// The image will be offset by this much from each side
xoffs = (640 - 512) / 2;
// Until the user hits start...
for(done = 0, y = 0.0f; !done;) {
// Check for start
MAPLE_FOREACH_BEGIN(MAPLE_FUNC_CONTROLLER, cont_state_t, st)
if(st->buttons & CONT_START)
done = 1;
MAPLE_FOREACH_END()
// Setup the frame
pvr_wait_ready();
pvr_scene_begin();
pvr_list_begin(PVR_LIST_OP_POLY);
// Submit the context
plx_cxt_send(PVR_LIST_OP_POLY);
// Two polys -- one normal up to the scan point, and one
// stretched to the bottom.
plx_vert_ifp(PLX_VERT, xoffs, y, 1.0f, 0xffffffff, 0.0f, y / 480.0f);
plx_vert_ifp(PLX_VERT, xoffs, 0.0f, 1.0f, 0xffffffff, 0.0f, 0.0f);
plx_vert_ifp(PLX_VERT, 640.0f - xoffs, y, 1.0f, 0xffffffff, 1.0f, y / 480.0f);
plx_vert_ifp(PLX_VERT_EOS, 640.0f - xoffs, 0.0f, 1.0f, 0xffffffff, 1.0f, 0.0f);
plx_vert_ifp(PLX_VERT, xoffs, 480.0f, 1.0f, 0xffffffff, 0.0f, y / 480.0f);
plx_vert_ifp(PLX_VERT, xoffs, y, 1.0f, 0xffffffff, 0.0f, y / 480.0f);
plx_vert_ifp(PLX_VERT, 640.0f - xoffs, 480.0f, 1.0f, 0xffffffff, 1.0f, y / 480.0f);
plx_vert_ifp(PLX_VERT_EOS, 640.0f - xoffs, y, 1.0f, 0xffffffff, 1.0f, y / 480.0f);
pvr_scene_finish();
// Move our scanline
if(y < 480.0f)
y += 2.0f;
}
return 0;
}
/**
Like plx_vert_ifdm3, but uses plx_prim.
*/
static inline void plx_vert_ifpm3(int flags, float x, float y, float z, uint32 color, float u, float v) {
plx_mat_tfip_3d(x, y, z);
plx_vert_ifp(flags, x, y, z, color, u, v);
}
