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Render without rendering (#2152)

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* presenter: render the game inside a ImGui window

* presenter: render the previous frame to keep the render rendering

* swapchain: fix swapchain image view format not being converted to unorm

* devtools: fix frame graph timing
This commit is contained in:
Vinicius Rangel 2025-01-16 16:27:23 -03:00 • committed by GitHub
parent 440a693fae
commit 56a6c95730
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GPG key ID: B5690EEEBB952194
19 changed files with 306 additions and 110 deletions
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20
src/core/libraries/videoout/driver.cpp
View file

@ -1,8 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <imgui.h>
#include "common/assert.h"
#include "common/config.h"
#include "common/debug.h"
@ -207,6 +205,13 @@ void VideoOutDriver::DrawBlankFrame() {
presenter->Present(empty_frame);
}
void VideoOutDriver::DrawLastFrame() {
const auto frame = presenter->PrepareLastFrame();
if (frame != nullptr) {
presenter->Present(frame, true);
}
}
bool VideoOutDriver::SubmitFlip(VideoOutPort* port, s32 index, s64 flip_arg,
bool is_eop /*= false*/) {
{
@ -278,17 +283,24 @@ void VideoOutDriver::PresentThread(std::stop_token token) {
return {};
};
auto delay = std::chrono::microseconds{0};
while (!token.stop_requested()) {
timer.Start();
if (DebugState.IsGuestThreadsPaused()) {
DrawLastFrame();
timer.End();
continue;
}
// Check if it's time to take a request.
auto& vblank_status = main_port.vblank_status;
if (vblank_status.count % (main_port.flip_rate + 1) == 0) {
const auto request = receive_request();
if (!request) {
if (!main_port.is_open || DebugState.IsGuestThreadsPaused()) {
if (!main_port.is_open) {
DrawBlankFrame();
} else {
DrawLastFrame();
}
} else {
Flip(request);

3
src/core/libraries/videoout/driver.h
View file

@ -102,7 +102,8 @@ private:
};
void Flip(const Request& req);
void DrawBlankFrame(); // Used when there is no flip request to keep ImGui up to date
void DrawBlankFrame(); // Video port out not open
void DrawLastFrame(); // Used when there is no flip request
void SubmitFlipInternal(VideoOutPort* port, s32 index, s64 flip_arg, bool is_eop = false);
void PresentThread(std::stop_token token);