Kernel: Add VirtIOGPU graphics device

6 files changed, 8 insertions, 6 deletions

diff --git a/Kernel/Graphics/Console/Console.h b/Kernel/Graphics/Console/Console.h
index 181db2e07f..949c5fc66f 100644
--- a/Kernel/Graphics/Console/Console.h
+++ b/Kernel/Graphics/Console/Console.h
@@ -58,6 +58,7 @@ public:
     virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) = 0;
     virtual void write(size_t x, size_t y, char ch, bool critical = false) = 0;
     virtual void write(char ch, bool critical = false) = 0;
+    virtual void flush(size_t x, size_t y, size_t width, size_t height) = 0;
 
     virtual ~Console() { }
 
diff --git a/Kernel/Graphics/Console/ContiguousFramebufferConsole.h b/Kernel/Graphics/Console/ContiguousFramebufferConsole.h
index bf4d458566..6d8159f814 100644
--- a/Kernel/Graphics/Console/ContiguousFramebufferConsole.h
+++ b/Kernel/Graphics/Console/ContiguousFramebufferConsole.h
@@ -15,7 +15,7 @@ public:
     static NonnullRefPtr<ContiguousFramebufferConsole> initialize(PhysicalAddress, size_t width, size_t height, size_t pitch);
 
     virtual void set_resolution(size_t width, size_t height, size_t pitch) override;
-    virtual void flush() override { }
+    virtual void flush(size_t, size_t, size_t, size_t) override { }
 
 private:
     virtual u8* framebuffer_data() override
diff --git a/Kernel/Graphics/Console/GenericFramebufferConsole.cpp b/Kernel/Graphics/Console/GenericFramebufferConsole.cpp
index 6fe72f9940..0ef73407a0 100644
--- a/Kernel/Graphics/Console/GenericFramebufferConsole.cpp
+++ b/Kernel/Graphics/Console/GenericFramebufferConsole.cpp
@@ -232,7 +232,7 @@ void GenericFramebufferConsole::clear(size_t x, size_t y, size_t length)
             memset(offset_in_framebuffer, 0, width() * sizeof(u32));
             offset_in_framebuffer = (u32*)((u8*)offset_in_framebuffer + width() * 4);
         }
-        flush();
+        flush(0, 8 * y, 8 * length, 1);
         return;
     }
     for (size_t index = 0; index < length; index++) {
@@ -247,8 +247,8 @@ void GenericFramebufferConsole::clear(size_t x, size_t y, size_t length)
             memset(offset_in_framebuffer, 0, 8 * sizeof(u32));
             offset_in_framebuffer = (u32*)((u8*)offset_in_framebuffer + width() * sizeof(u32));
         }
+        flush(8 * x, 8 * y, 8, 8);
     }
-    flush();
 }
 
 void GenericFramebufferConsole::clear_glyph(size_t x, size_t y)
@@ -259,7 +259,7 @@ void GenericFramebufferConsole::clear_glyph(size_t x, size_t y)
         memset(offset_in_framebuffer, 0, 8 * sizeof(u32));
         offset_in_framebuffer = (u32*)((u8*)offset_in_framebuffer + width() * sizeof(u32));
     }
-    flush();
+    flush(8 * x, 8 * y, 8, 8);
 }
 
 void GenericFramebufferConsole::enable()
@@ -313,6 +313,7 @@ void GenericFramebufferConsole::write(size_t x, size_t y, char ch, Color backgro
         }
         offset_in_framebuffer = (u32*)((u8*)offset_in_framebuffer + width() * 4);
     }
+    flush(8 * x, 8 * y, 8, 8);
     m_x = x + 1;
     if (m_x >= max_column()) {
         m_x = 0;
@@ -320,7 +321,6 @@ void GenericFramebufferConsole::write(size_t x, size_t y, char ch, Color backgro
         if (m_y >= max_row())
             m_y = 0;
     }
-    flush();
 }
 
 void GenericFramebufferConsole::write(size_t x, size_t y, char ch, bool critical)
diff --git a/Kernel/Graphics/Console/GenericFramebufferConsole.h b/Kernel/Graphics/Console/GenericFramebufferConsole.h
index 2fda341a76..8207bc6a10 100644
--- a/Kernel/Graphics/Console/GenericFramebufferConsole.h
+++ b/Kernel/Graphics/Console/GenericFramebufferConsole.h
@@ -37,7 +37,6 @@ public:
     virtual void disable() override;
 
     virtual void set_resolution(size_t width, size_t height, size_t pitch) = 0;
-    virtual void flush() = 0;
 
 protected:
     GenericFramebufferConsole(size_t width, size_t height, size_t pitch)
diff --git a/Kernel/Graphics/Console/TextModeConsole.h b/Kernel/Graphics/Console/TextModeConsole.h
index 54f512f26e..1950d098a4 100644
--- a/Kernel/Graphics/Console/TextModeConsole.h
+++ b/Kernel/Graphics/Console/TextModeConsole.h
@@ -28,6 +28,7 @@ public:
     virtual void write(size_t x, size_t y, char ch, bool critical = false) override;
     virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) override;
     virtual void write(char ch, bool critical = false) override;
+    virtual void flush(size_t, size_t, size_t, size_t) override { }
 
     virtual void enable() override { }
     virtual void disable() override { VERIFY_NOT_REACHED(); }
diff --git a/Kernel/Graphics/Console/VGAConsole.h b/Kernel/Graphics/Console/VGAConsole.h
index e82f1d5e59..b10f5110c8 100644
--- a/Kernel/Graphics/Console/VGAConsole.h
+++ b/Kernel/Graphics/Console/VGAConsole.h
@@ -26,6 +26,7 @@ public:
 
     virtual bool is_hardware_paged_capable() const override { return false; }
     virtual bool has_hardware_cursor() const override { return false; }
+    virtual void flush(size_t, size_t, size_t, size_t) override { }
 
     virtual ~VGAConsole() = default;