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IBOless rendering with quads; considerably reduces renderer complexity

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This commit is contained in:
Chris Forbes
2011-05-05 17:50:23 +12:00
parent 8e1bc25006
commit 4d6b2c7954
13 changed files with 43 additions and 262 deletions
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15
OpenRA.Renderer.Gl/GraphicsDevice.cs
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@@ -274,17 +274,9 @@ namespace OpenRA.Renderer.Glsl
CheckGlError();
}
public void DrawIndexedPrimitives( PrimitiveType pt, Range<int> vertices, Range<int> indices )
public void DrawPrimitives( PrimitiveType pt, int firstVertex, int numVertices )
{
Gl.glDrawElements( ModeFromPrimitiveType( pt ), indices.End - indices.Start,
Gl.GL_UNSIGNED_INT, new IntPtr( indices.Start * 4 ) );
CheckGlError();
}
public void DrawIndexedPrimitives( PrimitiveType pt, int numVerts, int numPrimitives )
{
Gl.glDrawElements( ModeFromPrimitiveType( pt ), numPrimitives * IndicesPerPrimitive( pt ),
Gl.GL_UNSIGNED_INT, IntPtr.Zero);
Gl.glDrawArrays( ModeFromPrimitiveType( pt ), firstVertex, numVertices );
CheckGlError();
}
@@ -295,6 +287,7 @@ namespace OpenRA.Renderer.Glsl
case PrimitiveType.PointList: return Gl.GL_POINTS;
case PrimitiveType.LineList: return Gl.GL_LINES;
case PrimitiveType.TriangleList: return Gl.GL_TRIANGLES;
case PrimitiveType.QuadList: return Gl.GL_QUADS;
}
throw new NotImplementedException();
}
@@ -306,12 +299,12 @@ namespace OpenRA.Renderer.Glsl
case PrimitiveType.PointList: return 1;
case PrimitiveType.LineList: return 2;
case PrimitiveType.TriangleList: return 3;
case PrimitiveType.QuadList: return 4;
}
throw new NotImplementedException();
}
public IVertexBuffer<Vertex> CreateVertexBuffer( int size ) { return new VertexBuffer<Vertex>( this, size ); }
public IIndexBuffer CreateIndexBuffer( int size ) { return new IndexBuffer( this, size ); }
public ITexture CreateTexture() { return new Texture( this ); }
public ITexture CreateTexture( Bitmap bitmap ) { return new Texture( this, bitmap ); }
public IShader CreateShader( string name ) { return new Shader( this, name ); }