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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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13
OpenRA.Game/Graphics/Util.cs
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@@ -44,7 +44,7 @@ namespace OpenRA.Graphics
static float[] channelSelect = { 0.75f, 0.25f, -0.25f, -0.75f };
public static void FastCreateQuad(Vertex[] vertices, uint[] indices, float2 o, Sprite r, int palette, int nv, int ni, float2 size)
public static void FastCreateQuad(Vertex[] vertices, float2 o, Sprite r, int palette, int nv, float2 size)
{
var attrib = new float2(palette / (float)HardwarePalette.MaxPalettes, channelSelect[(int)r.channel]);
@@ -52,15 +52,10 @@ namespace OpenRA.Graphics
r.FastMapTextureCoords(0), attrib);
vertices[nv + 1] = new Vertex(new float2(o.X + size.X, o.Y),
r.FastMapTextureCoords(1), attrib);
vertices[nv + 2] = new Vertex(new float2(o.X, o.Y + size.Y),
r.FastMapTextureCoords(2), attrib);
vertices[nv + 3] = new Vertex(new float2(o.X + size.X, o.Y + size.Y),
vertices[nv + 2] = new Vertex(new float2(o.X + size.X, o.Y + size.Y),
r.FastMapTextureCoords(3), attrib);
indices[ni] = (uint)(nv);
indices[ni + 1] = indices[ni + 3] = (uint)(nv + 1);
indices[ni + 2] = indices[ni + 5] = (uint)(nv + 2);
indices[ni + 4] = (uint)(nv + 3);
vertices[nv + 3] = new Vertex(new float2(o.X, o.Y + size.Y),
r.FastMapTextureCoords(2), attrib);
}
static readonly int[] channelMasks = { 2, 1, 0, 3 }; // yes, our channel order is nuts.