Enable hardware frame buffer texture scaling

4 files changed, 31 insertions, 9 deletions

diff --git a/Ryujinx.Graphics/Gal/IGalRenderer.cs b/Ryujinx.Graphics/Gal/IGalRenderer.cs
index 5854c54a..83d2c699 100644
--- a/Ryujinx.Graphics/Gal/IGalRenderer.cs
+++ b/Ryujinx.Graphics/Gal/IGalRenderer.cs
@@ -10,9 +10,20 @@ namespace Ryujinx.Graphics.Gal
         void InitializeFrameBuffer();
         void Render();
         void SetWindowSize(int Width, int Height);
-        void SetFrameBuffer(byte* Fb, int Width, int Height, float SX, float SY, float R);
+        void SetFrameBuffer(
+            byte* Fb,
+            int   Width,
+            int   Height,
+            float ScaleX,
+            float ScaleY,
+            float OffsX,
+            float OffsY,
+            float Rotate);
+
         void SendVertexBuffer(int Index, byte[] Buffer, int Stride, GalVertexAttrib[] Attribs);
+
         void SendR8G8B8A8Texture(int Index, byte[] Buffer, int Width, int Height);
+
         void BindTexture(int Index);
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Graphics/Gal/OpenGL/FbVtxShader.glsl b/Ryujinx.Graphics/Gal/OpenGL/FbVtxShader.glsl
index 933fa6aa..35d560c0 100644
--- a/Ryujinx.Graphics/Gal/OpenGL/FbVtxShader.glsl
+++ b/Ryujinx.Graphics/Gal/OpenGL/FbVtxShader.glsl
@@ -2,8 +2,9 @@
 
 precision highp float;
 
-uniform vec2 window_size;
 uniform mat2 transform;
+uniform vec2 window_size;
+uniform vec2 offset;
 
 layout(location = 0) in vec2 in_position;
 layout(location = 1) in vec2 in_tex_coord;
@@ -22,5 +23,6 @@ vec2 get_scale_ratio(void) {
 
 void main(void) {
     tex_coord = in_tex_coord;
-    gl_Position = vec4((transform * in_position) * get_scale_ratio(), 0, 1);
+    vec2 t_pos = (transform * in_position) + offset;
+    gl_Position = vec4(t_pos * get_scale_ratio(), 0, 1);
 }
\ No newline at end of file
diff --git a/Ryujinx.Graphics/Gal/OpenGL/FrameBuffer.cs b/Ryujinx.Graphics/Gal/OpenGL/FrameBuffer.cs
index c66c0cb7..7dc4bffe 100644
--- a/Ryujinx.Graphics/Gal/OpenGL/FrameBuffer.cs
+++ b/Ryujinx.Graphics/Gal/OpenGL/FrameBuffer.cs
@@ -135,7 +135,7 @@ namespace Ryujinx.Graphics.Gal.OpenGL
             GL.BindVertexArray(0);
         }
 
-        public unsafe void Set(byte* Fb, int Width, int Height, Matrix2 Transform)
+        public unsafe void Set(byte* Fb, int Width, int Height, Matrix2 Transform, Vector2 Offs)
         {
             if (Fb == null)
             {
@@ -172,6 +172,10 @@ namespace Ryujinx.Graphics.Gal.OpenGL
             int WindowSizeUniformLocation = GL.GetUniformLocation(PrgShaderHandle, "window_size");
 
             GL.Uniform2(WindowSizeUniformLocation, new Vector2(WindowWidth, WindowHeight));
+
+            int OffsetUniformLocation = GL.GetUniformLocation(PrgShaderHandle, "offset");
+
+            GL.Uniform2(OffsetUniformLocation, Offs);
         }
 
         public void Render()
diff --git a/Ryujinx.Graphics/Gal/OpenGL/OpenGLRenderer.cs b/Ryujinx.Graphics/Gal/OpenGL/OpenGLRenderer.cs
index 5ae5e225..bdedfc1a 100644
--- a/Ryujinx.Graphics/Gal/OpenGL/OpenGLRenderer.cs
+++ b/Ryujinx.Graphics/Gal/OpenGL/OpenGLRenderer.cs
@@ -1,6 +1,7 @@
 using OpenTK;
 using OpenTK.Graphics.OpenGL;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 
 namespace Ryujinx.Graphics.Gal.OpenGL
@@ -24,7 +25,7 @@ namespace Ryujinx.Graphics.Gal.OpenGL
 
         private Texture[] Textures;
 
-        private Queue<Action> ActionsQueue;
+        private ConcurrentQueue<Action> ActionsQueue;
 
         private FrameBuffer FbRenderer;
 
@@ -34,7 +35,7 @@ namespace Ryujinx.Graphics.Gal.OpenGL
 
             Textures = new Texture[8];
 
-            ActionsQueue = new Queue<Action>();
+            ActionsQueue = new ConcurrentQueue<Action>();
         }
 
         public void InitializeFrameBuffer()
@@ -51,9 +52,9 @@ namespace Ryujinx.Graphics.Gal.OpenGL
         {
             int Count = ActionsQueue.Count;
 
-            while (Count-- > 0)
+            while (Count-- > 0 && ActionsQueue.TryDequeue(out Action RenderAction))
             {
-                ActionsQueue.Dequeue()();
+                RenderAction();
             }
         }
 
@@ -86,6 +87,8 @@ namespace Ryujinx.Graphics.Gal.OpenGL
             int   Height,
             float ScaleX,
             float ScaleY,
+            float OffsX,
+            float OffsY,
             float Rotate)
         {
             Matrix2 Transform;
@@ -93,7 +96,9 @@ namespace Ryujinx.Graphics.Gal.OpenGL
             Transform  = Matrix2.CreateScale(ScaleX, ScaleY);
             Transform *= Matrix2.CreateRotation(Rotate);
 
-            FbRenderer.Set(Fb, Width, Height, Transform);
+            Vector2 Offs = new Vector2(OffsX, OffsY);
+
+            FbRenderer.Set(Fb, Width, Height, Transform, Offs);
         }
 
         public void SendVertexBuffer(int Index, byte[] Buffer, int Stride, GalVertexAttrib[] Attribs)