From a2be49305d8c5c66cfa2ec2060688013cf3729b9 Mon Sep 17 00:00:00 2001
From: zhupengfei <zhupengfei321@sina.cn>
Date: Fri, 31 Aug 2018 14:16:16 +0800
Subject: yuzu, video_core: Screenshot functionality

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.
---
 src/core/frontend/framebuffer_layout.cpp | 15 +++++++++++++++
 src/core/frontend/framebuffer_layout.h   |  7 +++++++
 2 files changed, 22 insertions(+)

(limited to 'src/core')

diff --git a/src/core/frontend/framebuffer_layout.cpp b/src/core/frontend/framebuffer_layout.cpp
index 8f07aedc9..f8662d193 100644
--- a/src/core/frontend/framebuffer_layout.cpp
+++ b/src/core/frontend/framebuffer_layout.cpp
@@ -6,6 +6,7 @@
 
 #include "common/assert.h"
 #include "core/frontend/framebuffer_layout.h"
+#include "core/settings.h"
 
 namespace Layout {
 
@@ -42,4 +43,18 @@ FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height) {
     return res;
 }
 
+FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale) {
+    int width, height;
+
+    if (Settings::values.use_docked_mode) {
+        width = ScreenDocked::WidthDocked * res_scale;
+        height = ScreenDocked::HeightDocked * res_scale;
+    } else {
+        width = ScreenUndocked::Width * res_scale;
+        height = ScreenUndocked::Height * res_scale;
+    }
+
+    return DefaultFrameLayout(width, height);
+}
+
 } // namespace Layout
diff --git a/src/core/frontend/framebuffer_layout.h b/src/core/frontend/framebuffer_layout.h
index f3fddfa94..e06647794 100644
--- a/src/core/frontend/framebuffer_layout.h
+++ b/src/core/frontend/framebuffer_layout.h
@@ -9,6 +9,7 @@
 namespace Layout {
 
 enum ScreenUndocked : unsigned { Width = 1280, Height = 720 };
+enum ScreenDocked : unsigned { WidthDocked = 1920, HeightDocked = 1080 };
 
 /// Describes the layout of the window framebuffer
 struct FramebufferLayout {
@@ -34,4 +35,10 @@ struct FramebufferLayout {
  */
 FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height);
 
+/**
+ * Convenience method to get frame layout by resolution scale
+ * @param res_scale resolution scale factor
+ */
+FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale);
+
 } // namespace Layout
-- 
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