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reduce VBO drawing overhead.

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This commit is contained in:
UnknownShadow200 2015-04-25 08:23:20 +10:00
parent aaebb72014
commit 7363211f39
1 changed files with 8 additions and 11 deletions
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19
GraphicsAPI/OpenGLApi.cs
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@ -29,9 +29,7 @@ namespace ClassicalSharp.GraphicsAPI {
string extensions = GL.GetString( StringName.Extensions );
nonPow2 = extensions.Contains( nonPow2Ext );
useVbos = extensions.Contains( vboExt );
if( useVbos ) {
SetupVb();
} else {
if( !useVbos ) {
Utils.LogWarning( "Unable to use OpenGL VBOs, you may experience reduced performance." );
}
}
@ -271,14 +269,7 @@ namespace ClassicalSharp.GraphicsAPI {
#if TRACK_RESOURCES
Dictionary<int, string> vbs = new Dictionary<int, string>();
#endif
Action<DrawMode, int, int>[] drawBatchFuncs;
Action<DrawMode, int, int> drawBatchFunc;
void SetupVb() {
drawBatchFuncs = new Action<DrawMode, int, int>[3];
drawBatchFuncs[0] = (mode, id, count) => DrawVbPos3fTex2fFast( mode, id, count );
drawBatchFuncs[1] = (mode, id, count) => DrawVbPos3fCol4bFast( mode, id, count );
drawBatchFuncs[2] = (mode, id, count) => DrawVbPos3fTex2fCol4bFast( mode, id, count );
}
public override int InitVb<T>( T[] vertices, DrawMode mode, VertexFormat format, int count ) {
if( !useVbos ) {
@ -399,7 +390,13 @@ namespace ClassicalSharp.GraphicsAPI {
if( !useVbos ) return;
batchFormat = format;
EnableClientState( format );
drawBatchFunc = drawBatchFuncs[(int)batchFormat];
if( format == VertexFormat.VertexPos3fTex2fCol4b ) {
drawBatchFunc = DrawVbPos3fTex2fCol4bFast;
} else if( format == VertexFormat.VertexPos3fCol4b ) {
drawBatchFunc = DrawVbPos3fCol4bFast;
} else if( format == VertexFormat.VertexPos3fTex2f ) {
drawBatchFunc = DrawVbPos3fTex2fFast;
}
}
public override void BeginIndexedVbBatch() {