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Implement ability to render viewports directly to screen

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This commit is contained in:
clayjohn
2019-05-08 11:25:34 -07:00
parent 86a74e2cb3
commit 65c211d303
18 changed files with 178 additions and 4 deletions
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44
servers/visual/visual_server_viewport.cpp
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@@ -343,7 +343,7 @@ void VisualServerViewport::draw_viewports() {
vp->render_info[VS::VIEWPORT_RENDER_INFO_SURFACE_CHANGES_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_SURFACE_CHANGES_IN_FRAME);
vp->render_info[VS::VIEWPORT_RENDER_INFO_DRAW_CALLS_IN_FRAME] = VSG::storage->get_captured_render_info(VS::INFO_DRAW_CALLS_IN_FRAME);
if (vp->viewport_to_screen_rect != Rect2()) {
if (vp->viewport_to_screen_rect != Rect2() && (!vp->viewport_render_direct_to_screen || !VSG::rasterizer->is_low_end())) {
//copy to screen if set as such
VSG::rasterizer->set_current_render_target(RID());
VSG::rasterizer->blit_render_target_to_screen(vp->render_target, vp->viewport_to_screen_rect, vp->viewport_to_screen);
@@ -368,6 +368,7 @@ RID VisualServerViewport::viewport_create() {
viewport->hide_canvas = false;
viewport->render_target = VSG::storage->render_target_create();
viewport->shadow_atlas = VSG::scene_render->shadow_atlas_create();
viewport->viewport_render_direct_to_screen = false;
return rid;
}
@@ -424,14 +425,55 @@ void VisualServerViewport::viewport_attach_to_screen(RID p_viewport, const Rect2
Viewport *viewport = viewport_owner.getornull(p_viewport);
ERR_FAIL_COND(!viewport);
// If using GLES2 we can optimize this operation by rendering directly to system_fbo
// instead of rendering to fbo and copying to system_fbo after
if (VSG::rasterizer->is_low_end() && viewport->viewport_render_direct_to_screen) {
VSG::storage->render_target_set_size(viewport->render_target, p_rect.size.x, p_rect.size.y);
VSG::storage->render_target_set_position(viewport->render_target, p_rect.position.x, p_rect.position.y);
}
viewport->viewport_to_screen_rect = p_rect;
viewport->viewport_to_screen = p_screen;
}
void VisualServerViewport::viewport_set_render_direct_to_screen(RID p_viewport, bool p_enable) {
Viewport *viewport = viewport_owner.getornull(p_viewport);
ERR_FAIL_COND(!viewport);
if (p_enable == viewport->viewport_render_direct_to_screen)
return;
// if disabled, reset render_target size and position
if (!p_enable) {
VSG::storage->render_target_set_position(viewport->render_target, 0, 0);
VSG::storage->render_target_set_size(viewport->render_target, viewport->size.x, viewport->size.y);
}
VSG::storage->render_target_set_flag(viewport->render_target, RasterizerStorage::RENDER_TARGET_DIRECT_TO_SCREEN, p_enable);
viewport->viewport_render_direct_to_screen = p_enable;
// if attached to screen already, setup screen size and position, this needs to happen after setting flag to avoid an unneccesary buffer allocation
if (VSG::rasterizer->is_low_end() && viewport->viewport_to_screen_rect != Rect2() && p_enable) {
VSG::storage->render_target_set_size(viewport->render_target, viewport->viewport_to_screen_rect.size.x, viewport->viewport_to_screen_rect.size.y);
VSG::storage->render_target_set_position(viewport->render_target, viewport->viewport_to_screen_rect.position.x, viewport->viewport_to_screen_rect.position.y);
}
}
void VisualServerViewport::viewport_detach(RID p_viewport) {
Viewport *viewport = viewport_owner.getornull(p_viewport);
ERR_FAIL_COND(!viewport);
// if render_direct_to_screen was used, reset size and position
if (VSG::rasterizer->is_low_end() && viewport->viewport_render_direct_to_screen) {
VSG::storage->render_target_set_position(viewport->render_target, 0, 0);
VSG::storage->render_target_set_size(viewport->render_target, viewport->size.x, viewport->size.y);
}
viewport->viewport_to_screen_rect = Rect2();
viewport->viewport_to_screen = 0;
}