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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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28
OpenRA.Game/Graphics/LineRenderer.cs
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@@ -18,8 +18,7 @@ namespace OpenRA.Graphics
Renderer renderer;
Vertex[] vertices = new Vertex[ Renderer.TempBufferSize ];
uint[] indices = new uint[ Renderer.TempBufferSize ];
int nv = 0, ni = 0;
int nv = 0;
public LineRenderer( Renderer renderer )
{
@@ -28,19 +27,16 @@ namespace OpenRA.Graphics
public void Flush()
{
if( ni > 0 )
if( nv > 0 )
{
renderer.LineShader.Render( () =>
{
var vb = renderer.GetTempVertexBuffer();
var ib = renderer.GetTempIndexBuffer();
vb.SetData( vertices, nv );
ib.SetData( indices, ni );
renderer.DrawBatch( vb, ib,
nv, ni / 2, PrimitiveType.LineList );
renderer.DrawBatch( vb, 0, nv, PrimitiveType.LineList );
} );
nv = 0; ni = 0;
nv = 0;
}
}
@@ -48,30 +44,22 @@ namespace OpenRA.Graphics
{
Renderer.CurrentBatchRenderer = this;
if( ni + 2 > Renderer.TempBufferSize )
Flush();
if( nv + 2 > Renderer.TempBufferSize )
Flush();
indices[ ni++ ] = (ushort)nv;
vertices[ nv++ ] = new Vertex( start,
new float2( startColor.R / 255.0f, startColor.G / 255.0f ),
new float2( startColor.B / 255.0f, startColor.A / 255.0f ) );
indices[ ni++ ] = (ushort)nv;
new float2( startColor.R / 255.0f, startColor.G / 255.0f ),
new float2( startColor.B / 255.0f, startColor.A / 255.0f ) );
vertices[ nv++ ] = new Vertex( end,
new float2( endColor.R / 255.0f, endColor.G / 255.0f ),
new float2( endColor.B / 255.0f, endColor.A / 255.0f ) );
new float2( endColor.R / 255.0f, endColor.G / 255.0f ),
new float2( endColor.B / 255.0f, endColor.A / 255.0f ) );
}
public void FillRect( RectangleF r, Color color )
{
for (float y = r.Top; y < r.Bottom; y++)
{
DrawLine(new float2(r.Left, y), new float2(r.Right, y), color, color);
}
}
}
}