/* \brief update the camera */
GLHCKAPI void glhckCameraUpdate(glhckCamera *object)
{
CALL(2, "%p", object);
/* bind none */
if (!object) {
GLHCKRD()->camera = NULL;
return;
}
if (GLHCKRD()->camera != object || object->view.updateViewport) {
glhckRenderViewport(&object->view.viewport);
object->view.updateViewport = 0;
}
if (object->view.update || object->object->view.update) {
if (object->view.projectionType == GLHCK_PROJECTION_ORTHOGRAPHIC)
_glhckCameraProjectionMatrix(object);
_glhckCameraViewMatrix(object);
object->view.update = 0;
}
/* assign camera to global state */
glhckRenderFlip(0);
glhckRenderProjection(&object->view.projection);
glhckRenderView(&object->view.view);
GLHCKRD()->camera = object;
}
/* \brief set projection matrix, and identity view matrix */
GLHCKAPI void glhckRenderProjectionOnly(const kmMat4 *mat)
{
kmMat4 identity;
GLHCK_INITIALIZED();
CALL(2, "%p", mat);
kmMat4Identity(&identity);
glhckRenderProjection(mat);
glhckRenderView(&identity);
}
/* \brief pop render state from stack */
GLHCKAPI void glhckRenderStatePop(void)
{
__GLHCKrenderState *state, *newState;
if (!(state = GLHCKR()->stack))
return;
glhckRenderResize(state->width, state->height);
memcpy(&GLHCKR()->pass, &state->pass, sizeof(__GLHCKrenderPass));
glhckRenderClearColor(&state->pass.clearColor);
glhckRenderViewport(&state->pass.viewport);
glhckRenderProjection(&state->view.projection);
glhckRenderView(&state->view.view);
GLHCKRA()->setOrthographic(&state->view.orthographic);
memcpy(&GLHCKRD()->view.orthographic, &state->view.orthographic, sizeof(kmMat4));
glhckRenderFlip(state->view.flippedProjection);
newState = (state?state->next:NULL);
IFDO(_glhckFree, state);
GLHCKR()->stack = newState;
}
