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Merged linux changes, water effect using a BasicEffect and a simpler pixel shader, multi-colored wires

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This commit is contained in:
Regalis
2015-09-08 21:55:27 +03:00
parent 7eae6fb026
commit ea15397725
18 changed files with 221 additions and 197 deletions
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75
Subsurface/Source/Utils/TextureLoader.cs
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@@ -51,7 +51,11 @@ namespace Subsurface
#endif
#if LINUX
using (Stream fileStream = File.OpenRead(path))
return Texture2D.FromStream(_graphicsDevice, fileStream);// .FromStream(fileStream, preMultiplyAlpha);
{
var texture = Texture2D.FromStream(_graphicsDevice, fileStream);
texture = PreMultiplyAlpha(texture);
return texture;
}
#endif
}
@@ -87,43 +91,46 @@ namespace Subsurface
texture = Texture2D.FromStream(_graphicsDevice, stream);
}
if (preMultiplyAlpha)
{
// Setup a render target to hold our final texture which will have premulitplied alpha values
using (RenderTarget2D renderTarget = new RenderTarget2D(_graphicsDevice, texture.Width, texture.Height))
{
Viewport viewportBackup = _graphicsDevice.Viewport;
_graphicsDevice.SetRenderTarget(renderTarget);
_graphicsDevice.Clear(Color.Black);
// Multiply each color by the source alpha, and write in just the color values into the final texture
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendColorBlendState);
_spriteBatch.Draw(texture, texture.Bounds, Color.White);
_spriteBatch.End();
// Now copy over the alpha values from the source texture to the final one, without multiplying them
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendAlphaBlendState);
_spriteBatch.Draw(texture, texture.Bounds, Color.White);
_spriteBatch.End();
// Release the GPU back to drawing to the screen
_graphicsDevice.SetRenderTarget(null);
_graphicsDevice.Viewport = viewportBackup;
// Store data from render target because the RenderTarget2D is volatile
Color[] data = new Color[texture.Width * texture.Height];
renderTarget.GetData(data);
// Unset texture from graphic device and set modified data back to it
_graphicsDevice.Textures[0] = null;
texture.SetData(data);
}
}
if (preMultiplyAlpha) texture = PreMultiplyAlpha(texture);
return texture;
}
#endif
private Texture2D PreMultiplyAlpha(Texture2D texture)
{
// Setup a render target to hold our final texture which will have premulitplied alpha values
using (RenderTarget2D renderTarget = new RenderTarget2D(_graphicsDevice, texture.Width, texture.Height))
{
Viewport viewportBackup = _graphicsDevice.Viewport;
_graphicsDevice.SetRenderTarget(renderTarget);
_graphicsDevice.Clear(Color.Black);
// Multiply each color by the source alpha, and write in just the color values into the final texture
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendColorBlendState);
_spriteBatch.Draw(texture, texture.Bounds, Color.White);
_spriteBatch.End();
// Now copy over the alpha values from the source texture to the final one, without multiplying them
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendAlphaBlendState);
_spriteBatch.Draw(texture, texture.Bounds, Color.White);
_spriteBatch.End();
// Release the GPU back to drawing to the screen
_graphicsDevice.SetRenderTarget(null);
_graphicsDevice.Viewport = viewportBackup;
// Store data from render target because the RenderTarget2D is volatile
Color[] data = new Color[texture.Width * texture.Height];
renderTarget.GetData(data);
// Unset texture from graphic device and set modified data back to it
_graphicsDevice.Textures[0] = null;
texture.SetData(data);
}
return texture;
}
private static readonly BlendState BlendColorBlendState;