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citra_qt, video_core: Screenshot functionality

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Allows capturing screenshot at the current internal resolution (native for software renderer), but a setting is available to capture it in other resolutions. The screenshot is saved to a single PNG in the current layout.
This commit is contained in:
zhupengfei 2018-08-31 14:16:16 +08:00 committed by zhupengfei
parent 7e90abec78
commit 071b41cb61
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GPG Key ID: DD129E108BD09378
14 changed files with 202 additions and 14 deletions
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14
src/citra_qt/bootmanager.cpp
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@ -15,6 +15,7 @@
#include "input_common/main.h"
#include "input_common/motion_emu.h"
#include "network/network.h"
#include "video_core/video_core.h"
EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
@ -335,6 +336,19 @@ void GRenderWindow::InitRenderTarget() {
BackupGeometry();
}
void GRenderWindow::CaptureScreenshot(u16 res_scale, const QString& screenshot_path) {
if (!res_scale)
res_scale = VideoCore::GetResolutionScaleFactor();
const Layout::FramebufferLayout layout{Layout::FrameLayoutFromResolutionScale(res_scale)};
screenshot_image = QImage(QSize(layout.width, layout.height), QImage::Format_RGB32);
VideoCore::RequestScreenshot(screenshot_image.bits(),
[=] {
screenshot_image.mirrored(false, true).save(screenshot_path);
LOG_INFO(Frontend, "The screenshot is saved.");
},
layout);
}
void GRenderWindow::OnMinimalClientAreaChangeRequest(
const std::pair<unsigned, unsigned>& minimal_size) {
setMinimumSize(minimal_size.first, minimal_size.second);

6
src/citra_qt/bootmanager.h
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@ -8,6 +8,7 @@
#include <condition_variable>
#include <mutex>
#include <QGLWidget>
#include <QImage>
#include <QThread>
#include "common/thread.h"
#include "core/core.h"
@ -139,6 +140,8 @@ public:
void InitRenderTarget();
void CaptureScreenshot(u16 res_scale, const QString& screenshot_path);
public slots:
void moveContext(); // overridden
@ -165,6 +168,9 @@ private:
EmuThread* emu_thread;
/// Temporary storage of the screenshot taken
QImage screenshot_image;
protected:
void showEvent(QShowEvent* event) override;
};

6
src/citra_qt/configuration/config.cpp
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@ -206,6 +206,8 @@ void Config::ReadValues() {
UISettings::values.theme = ReadSetting("theme", UISettings::themes[0].second).toString();
UISettings::values.enable_discord_presence =
ReadSetting("enable_discord_presence", true).toBool();
UISettings::values.screenshot_resolution_factor =
static_cast<u16>(ReadSetting("screenshot_resolution_factor", 0).toUInt());
qt_config->beginGroup("Updater");
UISettings::values.check_for_update_on_start =
@ -251,6 +253,7 @@ void Config::ReadValues() {
UISettings::values.symbols_path = ReadSetting("symbolsPath").toString();
UISettings::values.movie_record_path = ReadSetting("movieRecordPath").toString();
UISettings::values.movie_playback_path = ReadSetting("moviePlaybackPath").toString();
UISettings::values.screenshot_path = ReadSetting("screenshotPath").toString();
UISettings::values.game_dir_deprecated = ReadSetting("gameListRootDir", ".").toString();
UISettings::values.game_dir_deprecated_deepscan =
ReadSetting("gameListDeepScan", false).toBool();
@ -460,6 +463,8 @@ void Config::SaveValues() {
qt_config->beginGroup("UI");
WriteSetting("theme", UISettings::values.theme, UISettings::themes[0].second);
WriteSetting("enable_discord_presence", UISettings::values.enable_discord_presence, true);
WriteSetting("screenshot_resolution_factor", UISettings::values.screenshot_resolution_factor,
0);
qt_config->beginGroup("Updater");
WriteSetting("check_for_update_on_start", UISettings::values.check_for_update_on_start, true);
@ -487,6 +492,7 @@ void Config::SaveValues() {
WriteSetting("symbolsPath", UISettings::values.symbols_path);
WriteSetting("movieRecordPath", UISettings::values.movie_record_path);
WriteSetting("moviePlaybackPath", UISettings::values.movie_playback_path);
WriteSetting("screenshotPath", UISettings::values.screenshot_path);
qt_config->beginWriteArray("gamedirs");
for (int i = 0; i < UISettings::values.game_dirs.size(); ++i) {
qt_config->setArrayIndex(i);

24
src/citra_qt/main.cpp
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@ -365,6 +365,7 @@ void GMainWindow::InitializeHotkeys() {
Qt::ApplicationShortcut);
hotkey_registry.RegisterHotkey("Main Window", "Remove Amiibo", QKeySequence(Qt::Key_F3),
Qt::ApplicationShortcut);
hotkey_registry.RegisterHotkey("Main Window", "Capture Screenshot", QKeySequence(tr("CTRL+P")));
hotkey_registry.LoadHotkeys();
@ -439,6 +440,12 @@ void GMainWindow::InitializeHotkeys() {
OnRemoveAmiibo();
}
});
connect(hotkey_registry.GetHotkey("Main Window", "Capture Screenshot", this),
&QShortcut::activated, this, [&] {
if (emu_thread->IsRunning()) {
OnCaptureScreenshot();
}
});
}
void GMainWindow::ShowUpdaterWidgets() {
@ -588,6 +595,8 @@ void GMainWindow::ConnectMenuEvents() {
Core::System::GetInstance().frame_limiter.AdvanceFrame();
}
});
connect(ui.action_Capture_Screenshot, &QAction::triggered, this,
&GMainWindow::OnCaptureScreenshot);
// Help
connect(ui.action_Open_Citra_Folder, &QAction::triggered, this,
@ -882,6 +891,7 @@ void GMainWindow::ShutdownGame() {
ui.action_Enable_Frame_Advancing->setEnabled(false);
ui.action_Enable_Frame_Advancing->setChecked(false);
ui.action_Advance_Frame->setEnabled(false);
ui.action_Capture_Screenshot->setEnabled(false);
render_window->hide();
if (game_list->isEmpty())
game_list_placeholder->show();
@ -1169,6 +1179,7 @@ void GMainWindow::OnStartGame() {
ui.action_Load_Amiibo->setEnabled(true);
ui.action_Report_Compatibility->setEnabled(true);
ui.action_Enable_Frame_Advancing->setEnabled(true);
ui.action_Capture_Screenshot->setEnabled(true);
discord_rpc->Update();
}
@ -1179,6 +1190,7 @@ void GMainWindow::OnPauseGame() {
ui.action_Start->setEnabled(true);
ui.action_Pause->setEnabled(false);
ui.action_Stop->setEnabled(true);
ui.action_Capture_Screenshot->setEnabled(false);
}
void GMainWindow::OnStopGame() {
@ -1539,6 +1551,18 @@ void GMainWindow::OnStopRecordingPlayback() {
ui.action_Stop_Recording_Playback->setEnabled(false);
}
void GMainWindow::OnCaptureScreenshot() {
OnPauseGame();
const QString path =
QFileDialog::getSaveFileName(this, tr("Capture Screenshot"),
UISettings::values.screenshot_path, tr("PNG Image (*.png)"));
if (!path.isEmpty()) {
UISettings::values.screenshot_path = QFileInfo(path).path();
render_window->CaptureScreenshot(UISettings::values.screenshot_resolution_factor, path);
}
OnStartGame();
}
void GMainWindow::UpdateStatusBar() {
if (emu_thread == nullptr) {
status_bar_update_timer.stop();

1
src/citra_qt/main.h
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@ -183,6 +183,7 @@ private slots:
void OnRecordMovie();
void OnPlayMovie();
void OnStopRecordingPlayback();
void OnCaptureScreenshot();
void OnCoreError(Core::System::ResultStatus, std::string);
/// Called whenever a user selects Help->About Citra
void OnMenuAboutCitra();

10
src/citra_qt/main.ui
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@ -131,6 +131,8 @@
<addaction name="separator"/>
<addaction name="action_Enable_Frame_Advancing"/>
<addaction name="action_Advance_Frame"/>
<addaction name="separator"/>
<addaction name="action_Capture_Screenshot"/>
</widget>
<widget class="QMenu" name="menu_Multiplayer">
<property name="enabled">
@ -315,6 +317,14 @@
<string>Advance Frame</string>
</property>
</action>
<action name="action_Capture_Screenshot">
<property name="enabled">
<bool>false</bool>
</property>
<property name="text">
<string>Capture Screenshot</string>
</property>
</action>
<action name="action_View_Lobby">
<property name="enabled">
<bool>true</bool>

4
src/citra_qt/ui_settings.h
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@ -10,6 +10,7 @@
#include <QMetaType>
#include <QString>
#include <QStringList>
#include "common/common_types.h"
namespace UISettings {
@ -78,10 +79,13 @@ struct Values {
GameListText game_list_row_2;
bool game_list_hide_no_icon;
u16 screenshot_resolution_factor;
QString roms_path;
QString symbols_path;
QString movie_record_path;
QString movie_playback_path;
QString screenshot_path;
QString game_dir_deprecated;
bool game_dir_deprecated_deepscan;
QList<UISettings::GameDir> game_dirs;

46
src/core/frontend/framebuffer_layout.cpp
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@ -191,4 +191,50 @@ FramebufferLayout CustomFrameLayout(unsigned width, unsigned height) {
res.bottom_screen = bot_screen;
return res;
}
FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale) {
FramebufferLayout layout;
if (Settings::values.custom_layout == true) {
layout = CustomFrameLayout(
std::max(Settings::values.custom_top_right, Settings::values.custom_bottom_right),
std::max(Settings::values.custom_top_bottom, Settings::values.custom_bottom_bottom));
} else {
int width, height;
switch (Settings::values.layout_option) {
case Settings::LayoutOption::SingleScreen:
if (Settings::values.swap_screen) {
width = Core::kScreenBottomWidth * res_scale;
height = Core::kScreenBottomHeight * res_scale;
} else {
width = Core::kScreenTopWidth * res_scale;
height = Core::kScreenTopHeight * res_scale;
}
layout = SingleFrameLayout(width, height, Settings::values.swap_screen);
break;
case Settings::LayoutOption::LargeScreen:
if (Settings::values.swap_screen) {
width = (Core::kScreenBottomWidth + Core::kScreenTopWidth / 4) * res_scale;
height = Core::kScreenBottomHeight * res_scale;
} else {
width = (Core::kScreenTopWidth + Core::kScreenBottomWidth / 4) * res_scale;
height = Core::kScreenTopHeight * res_scale;
}
layout = LargeFrameLayout(width, height, Settings::values.swap_screen);
break;
case Settings::LayoutOption::SideScreen:
width = (Core::kScreenTopWidth + Core::kScreenBottomWidth) * res_scale;
height = Core::kScreenTopHeight * res_scale;
layout = SideFrameLayout(width, height, Settings::values.swap_screen);
break;
case Settings::LayoutOption::Default:
default:
width = Core::kScreenTopWidth * res_scale;
height = (Core::kScreenTopHeight + Core::kScreenBottomHeight) * res_scale;
layout = DefaultFrameLayout(width, height, Settings::values.swap_screen);
break;
}
}
return layout;
}
} // namespace Layout

7
src/core/frontend/framebuffer_layout.h
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@ -72,4 +72,11 @@ FramebufferLayout SideFrameLayout(unsigned width, unsigned height, bool is_swapp
*/
FramebufferLayout CustomFrameLayout(unsigned width, unsigned height);
/**
* Convenience method to get frame layout by resolution scale
* Read from the current settings to determine which layout to use.
* @param res_scale resolution scale factor
*/
FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale);
} // namespace Layout

13
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -24,7 +24,6 @@
#include "common/vector_math.h"
#include "core/frontend/emu_window.h"
#include "core/memory.h"
#include "core/settings.h"
#include "video_core/pica_state.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
@ -78,12 +77,6 @@ constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
}
static u16 GetResolutionScaleFactor() {
return !Settings::values.resolution_factor
? VideoCore::g_renderer->GetRenderWindow().GetFramebufferLayout().GetScalingRatio()
: Settings::values.resolution_factor;
}
template <bool morton_to_gl, PixelFormat format>
static void MortonCopyTile(u32 stride, u8* tile_buffer, u8* gl_buffer) {
constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / 8;
@ -1360,9 +1353,9 @@ SurfaceSurfaceRect_Tuple RasterizerCacheOpenGL::GetFramebufferSurfaces(
const auto& config = regs.framebuffer.framebuffer;
// update resolution_scale_factor and reset cache if changed
static u16 resolution_scale_factor = GetResolutionScaleFactor();
if (resolution_scale_factor != GetResolutionScaleFactor()) {
resolution_scale_factor = GetResolutionScaleFactor();
static u16 resolution_scale_factor = VideoCore::GetResolutionScaleFactor();
if (resolution_scale_factor != VideoCore::GetResolutionScaleFactor()) {
resolution_scale_factor = VideoCore::GetResolutionScaleFactor();
FlushAll();
while (!surface_cache.empty())
UnregisterSurface(*surface_cache.begin()->second.begin());

37
src/video_core/renderer_opengl/renderer_opengl.cpp
View File

@ -140,7 +140,39 @@ void RendererOpenGL::SwapBuffers() {
}
}
DrawScreens();
if (VideoCore::g_renderer_screenshot_requested) {
// Draw this frame to the screenshot framebuffer
screenshot_framebuffer.Create();
GLuint old_read_fb = state.draw.read_framebuffer;
GLuint old_draw_fb = state.draw.draw_framebuffer;
state.draw.read_framebuffer = state.draw.draw_framebuffer = screenshot_framebuffer.handle;
state.Apply();
Layout::FramebufferLayout layout{VideoCore::g_screenshot_framebuffer_layout};
GLuint renderbuffer;
glGenRenderbuffers(1, &renderbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGB8, layout.width, layout.height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
renderbuffer);
DrawScreens(layout);
glReadPixels(0, 0, layout.width, layout.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
VideoCore::g_screenshot_bits);
screenshot_framebuffer.Release();
state.draw.read_framebuffer = old_read_fb;
state.draw.draw_framebuffer = old_draw_fb;
state.Apply();
glDeleteRenderbuffers(1, &renderbuffer);
VideoCore::g_screenshot_complete_callback();
VideoCore::g_renderer_screenshot_requested = false;
}
DrawScreens(render_window.GetFramebufferLayout());
Core::System::GetInstance().perf_stats.EndSystemFrame();
@ -386,14 +418,13 @@ void RendererOpenGL::DrawSingleScreenRotated(const ScreenInfo& screen_info, floa
/**
* Draws the emulated screens to the emulator window.
*/
void RendererOpenGL::DrawScreens() {
void RendererOpenGL::DrawScreens(const Layout::FramebufferLayout& layout) {
if (VideoCore::g_renderer_bg_color_update_requested.exchange(false)) {
// Update background color before drawing
glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
0.0f);
}
auto layout = render_window.GetFramebufferLayout();
const auto& top_screen = layout.top_screen;
const auto& bottom_screen = layout.bottom_screen;

7
src/video_core/renderer_opengl/renderer_opengl.h
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@ -13,6 +13,10 @@
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_state.h"
namespace Layout {
class FramebufferLayout;
}
namespace OpenGL {
/// Structure used for storing information about the textures for each 3DS screen
@ -50,7 +54,7 @@ private:
void InitOpenGLObjects();
void ConfigureFramebufferTexture(TextureInfo& texture,
const GPU::Regs::FramebufferConfig& framebuffer);
void DrawScreens();
void DrawScreens(const Layout::FramebufferLayout& layout);
void DrawSingleScreenRotated(const ScreenInfo& screen_info, float x, float y, float w, float h);
void UpdateFramerate();
@ -66,6 +70,7 @@ private:
OGLVertexArray vertex_array;
OGLBuffer vertex_buffer;
OGLProgram shader;
OGLFramebuffer screenshot_framebuffer;
/// Display information for top and bottom screens respectively
std::array<ScreenInfo, 3> screen_infos;

29
src/video_core/video_core.cpp
View File

@ -4,6 +4,7 @@
#include <memory>
#include "common/logging/log.h"
#include "core/settings.h"
#include "video_core/pica.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
@ -22,6 +23,11 @@ std::atomic<bool> g_hw_shader_enabled;
std::atomic<bool> g_hw_shader_accurate_gs;
std::atomic<bool> g_hw_shader_accurate_mul;
std::atomic<bool> g_renderer_bg_color_update_requested;
// Screenshot
std::atomic<bool> g_renderer_screenshot_requested;
void* g_screenshot_bits;
std::function<void()> g_screenshot_complete_callback;
Layout::FramebufferLayout g_screenshot_framebuffer_layout;
/// Initialize the video core
Core::System::ResultStatus Init(EmuWindow& emu_window) {
@ -48,4 +54,27 @@ void Shutdown() {
LOG_DEBUG(Render, "shutdown OK");
}
void RequestScreenshot(void* data, std::function<void()> callback,
const Layout::FramebufferLayout& layout) {
if (g_renderer_screenshot_requested) {
LOG_ERROR(Render, "A screenshot is already requested or in progress, ignoring the request");
return;
}
g_screenshot_bits = data;
g_screenshot_complete_callback = std::move(callback);
g_screenshot_framebuffer_layout = layout;
g_renderer_screenshot_requested = true;
}
u16 GetResolutionScaleFactor() {
if (g_hw_renderer_enabled) {
return !Settings::values.resolution_factor
? g_renderer->GetRenderWindow().GetFramebufferLayout().GetScalingRatio()
: Settings::values.resolution_factor;
} else {
// Software renderer always render at native resolution
return 1;
}
}
} // namespace VideoCore

12
src/video_core/video_core.h
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@ -7,6 +7,7 @@
#include <atomic>
#include <memory>
#include "core/core.h"
#include "core/frontend/emu_window.h"
class EmuWindow;
class RendererBase;
@ -26,6 +27,11 @@ extern std::atomic<bool> g_hw_shader_enabled;
extern std::atomic<bool> g_hw_shader_accurate_gs;
extern std::atomic<bool> g_hw_shader_accurate_mul;
extern std::atomic<bool> g_renderer_bg_color_update_requested;
// Screenshot
extern std::atomic<bool> g_renderer_screenshot_requested;
extern void* g_screenshot_bits;
extern std::function<void()> g_screenshot_complete_callback;
extern Layout::FramebufferLayout g_screenshot_framebuffer_layout;
/// Initialize the video core
Core::System::ResultStatus Init(EmuWindow& emu_window);
@ -33,4 +39,10 @@ Core::System::ResultStatus Init(EmuWindow& emu_window);
/// Shutdown the video core
void Shutdown();
/// Request a screenshot of the next frame
void RequestScreenshot(void* data, std::function<void()> callback,
const Layout::FramebufferLayout& layout);
u16 GetResolutionScaleFactor();
} // namespace VideoCore