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Support additive blending for D2K explosions.

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This commit is contained in:
Paul Chote
2013-08-14 17:00:57 +12:00
parent 2b6b212d02
commit a1dd7cff7b
9 changed files with 55 additions and 26 deletions
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18
OpenRA.Game/Graphics/SpriteRenderer.cs
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@@ -20,6 +20,7 @@ namespace OpenRA.Graphics
Vertex[] vertices = new Vertex[Renderer.TempBufferSize];
Sheet currentSheet = null;
BlendMode currentBlend = BlendMode.Alpha;
int nv = 0;
public SpriteRenderer(Renderer renderer, IShader shader)
@@ -33,14 +34,15 @@ namespace OpenRA.Graphics
if (nv > 0)
{
shader.SetTexture("DiffuseTexture", currentSheet.Texture);
renderer.Device.EnableAlphaBlending();
renderer.Device.SetBlendMode(currentBlend);
shader.Render(() =>
{
var vb = renderer.GetTempVertexBuffer();
vb.SetData(vertices, nv);
renderer.DrawBatch(vb, 0, nv, PrimitiveType.QuadList);
});
renderer.Device.DisableAlphaBlending();
renderer.Device.SetBlendMode(BlendMode.None);
nv = 0;
currentSheet = null;
@@ -64,9 +66,13 @@ namespace OpenRA.Graphics
if (s.sheet != currentSheet)
Flush();
if (s.blendMode != currentBlend)
Flush();
if (nv + 4 > Renderer.TempBufferSize)
Flush();
currentBlend = s.blendMode;
currentSheet = s.sheet;
Util.FastCreateQuad(vertices, location + s.offset, s, paletteIndex, nv, size);
nv += 4;
@@ -90,10 +96,14 @@ namespace OpenRA.Graphics
if (s.sheet != currentSheet)
Flush();
if (s.blendMode != currentBlend)
Flush();
if (nv + 4 > Renderer.TempBufferSize)
Flush();
currentSheet = s.sheet;
currentBlend = s.blendMode;
Util.FastCreateQuad(vertices, a, b, c, d, s, 0, nv);
nv += 4;
}
@@ -101,9 +111,9 @@ namespace OpenRA.Graphics
public void DrawVertexBuffer(IVertexBuffer<Vertex> buffer, int start, int length, PrimitiveType type, Sheet sheet)
{
shader.SetTexture("DiffuseTexture", sheet.Texture);
renderer.Device.EnableAlphaBlending();
renderer.Device.SetBlendMode(BlendMode.Alpha);
shader.Render(() => renderer.DrawBatch(buffer, start, length, type));
renderer.Device.DisableAlphaBlending();
renderer.Device.SetBlendMode(BlendMode.None);
}
public void SetPalette(ITexture palette)