Merge pull request #12867 from VelocityRa/retroplayer-nn

RetroPlayer: Nearest neighbor scaling support for Windows

1 files changed, 81 insertions, 0 deletions

diff --git a/system/shaders/rp_output_d3d.fx b/system/shaders/rp_output_d3d.fx
new file mode 100644
index 0000000000..d6460dcfd9
--- /dev/null
+++ b/system/shaders/rp_output_d3d.fx
@@ -0,0 +1,81 @@
+/*
+ *      Copyright (C) 2017 Team XBMC
+ *      http://xbmc.org
+ *
+ *  This Program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This Program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with XBMC; see the file COPYING.  If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *
+ */
+
+texture2D g_Texture;
+float2    g_viewPort;
+float     m_params[1]; // 0 - range (0 - full, 1 - limited)
+
+SamplerState TextureSampler : IMMUTABLE
+{
+  AddressU = CLAMP;
+  AddressV = CLAMP;
+#ifdef SAMP_NEAREST
+  Filter   = MIN_MAG_MIP_POINT;
+#else
+  Filter   = MIN_MAG_MIP_LINEAR;
+#endif
+};
+
+struct VS_INPUT
+{
+  float4 Position   : POSITION;
+  float2 TextureUV  : TEXCOORD0;
+};
+
+struct VS_OUTPUT
+{
+  float2 TextureUV  : TEXCOORD0;
+  float4 Position   : SV_POSITION;
+};
+
+//
+// VS for rendering in screen space
+//
+VS_OUTPUT OUTPUT_VS(VS_INPUT In)
+{
+  VS_OUTPUT output  = (VS_OUTPUT)0;
+  output.Position.x =  (In.Position.x / (g_viewPort.x  / 2.0)) - 1;
+  output.Position.y = -(In.Position.y / (g_viewPort.y / 2.0)) + 1;
+  output.Position.z = output.Position.z;
+  output.Position.w = 1.0;
+  output.TextureUV  = In.TextureUV;
+
+  return output;
+}
+
+float4 OUTPUT_PS(VS_OUTPUT In) : SV_TARGET
+{
+  float4 color = g_Texture.Sample(TextureSampler, In.TextureUV);
+  [flatten] if (m_params[0])
+    color = saturate(0.0625 + color * 219.0 / 255.0);
+    
+  color.a = 1.0;
+
+  return color;
+}
+
+technique11 OUTPUT_T
+{
+  pass P0
+  {
+    SetVertexShader( CompileShader( vs_4_0_level_9_1, OUTPUT_VS()) );
+    SetPixelShader( CompileShader( ps_4_0_level_9_1, OUTPUT_PS() ) );
+  }
+};