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Remove display list support. (Display list support is still in DLCompatibility branch)

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UnknownShadow200 2015-05-31 07:10:24 +10:00
parent 9e53f84b88
commit eba9da7cf6
1 changed files with 9 additions and 85 deletions
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94
GraphicsAPI/OpenGLApi.cs
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@ -16,7 +16,6 @@ namespace ClassicalSharp.GraphicsAPI {
int textureDimensions; int textureDimensions;
const string vboExt = "GL_ARB_vertex_buffer_object"; const string vboExt = "GL_ARB_vertex_buffer_object";
bool useVbos = true;
BeginMode[] modeMappings = new BeginMode[] { BeginMode[] modeMappings = new BeginMode[] {
BeginMode.Triangles, BeginMode.Lines, BeginMode.Points, BeginMode.Triangles, BeginMode.Lines, BeginMode.Points,
BeginMode.TriangleStrip, BeginMode.LineStrip, BeginMode.TriangleFan BeginMode.TriangleStrip, BeginMode.LineStrip, BeginMode.TriangleFan
@ -25,14 +24,15 @@ namespace ClassicalSharp.GraphicsAPI {
public OpenGLApi() { public OpenGLApi() {
GL.GetInteger( GetPName.MaxTextureSize, out textureDimensions ); GL.GetInteger( GetPName.MaxTextureSize, out textureDimensions );
string extensions = GL.GetString( StringName.Extensions ); string extensions = GL.GetString( StringName.Extensions );
useVbos = extensions.Contains( vboExt ); if( !extensions.Contains( vboExt ) ) {
if( !useVbos ) { Utils.LogError( "ClassicalSharp post 0.6 version requires OpenGL VBOs." );
Utils.LogWarning( "Unable to use OpenGL VBOs, you may experience reduced performance." ); Utils.LogWarning( "You may need to install and/or update your video card drivers." );
} else { Utils.LogWarning( "Alternatively, you can download the 'DLCompatibility build." );
drawBatchFuncCol4b = DrawVbPos3fCol4bFast; throw new InvalidOperationException( "Cannot use OpenGL vbos." );
drawBatchFuncTex2f = DrawVbPos3fTex2fFast;
drawBatchFuncTex2fCol4b = DrawVbPos3fTex2fCol4bFast;
} }
drawBatchFuncCol4b = DrawVbPos3fCol4bFast;
drawBatchFuncTex2f = DrawVbPos3fTex2fFast;
drawBatchFuncTex2fCol4b = DrawVbPos3fTex2fCol4bFast;
} }
public override int MaxTextureDimensions { public override int MaxTextureDimensions {
@ -236,9 +236,6 @@ namespace ClassicalSharp.GraphicsAPI {
Action<DrawMode, int, int> drawBatchFuncTex2fCol4b; Action<DrawMode, int, int> drawBatchFuncTex2fCol4b;
public override int InitVb<T>( T[] vertices, DrawMode mode, VertexFormat format, int count ) { public override int InitVb<T>( T[] vertices, DrawMode mode, VertexFormat format, int count ) {
if( !useVbos ) {
return CreateDisplayList( vertices, mode, format, count );
}
int id = 0; int id = 0;
GL.Arb.GenBuffers( 1, out id ); GL.Arb.GenBuffers( 1, out id );
int sizeInBytes = GetSizeInBytes( count, format ); int sizeInBytes = GetSizeInBytes( count, format );
@ -253,9 +250,6 @@ namespace ClassicalSharp.GraphicsAPI {
public override IndexedVbInfo InitIndexedVb<T>( T[] vertices, ushort[] indices, DrawMode mode, public override IndexedVbInfo InitIndexedVb<T>( T[] vertices, ushort[] indices, DrawMode mode,
int verticesCount, int indicesCount ) { int verticesCount, int indicesCount ) {
if( !useVbos ) {
return CreateIndexedDisplayList( vertices, indices, mode, verticesCount, indicesCount );
}
IndexedVbInfo info = default( IndexedVbInfo ); IndexedVbInfo info = default( IndexedVbInfo );
GL.Arb.GenBuffers( 2, out info.Vb ); GL.Arb.GenBuffers( 2, out info.Vb );
int sizeInBytes = GetSizeInBytes( verticesCount, VertexFormat.VertexPos3fTex2fCol4b ); int sizeInBytes = GetSizeInBytes( verticesCount, VertexFormat.VertexPos3fTex2fCol4b );
@ -270,78 +264,21 @@ namespace ClassicalSharp.GraphicsAPI {
return info; return info;
} }
IndexedVbInfo CreateIndexedDisplayList<T>( T[] vertices, ushort[] indices, DrawMode mode,
int verticesCount, int indicesCount ) where T : struct {
GCHandle handle;
int id = SetupDisplayListState( vertices, VertexFormat.VertexPos3fTex2fCol4b, out handle );
GL.DrawElements( modeMappings[(int)mode], indicesCount, DrawElementsType.UnsignedShort, indices );
RestoreDisplayListState( VertexFormat.VertexPos3fTex2fCol4b, ref handle );
return new IndexedVbInfo( id, id );
}
int CreateDisplayList<T>( T[] vertices, DrawMode mode, VertexFormat format, int count ) where T : struct {
GCHandle handle;
int id = SetupDisplayListState( vertices, format, out handle );
GL.DrawArrays( modeMappings[(int)mode], 0, count );
RestoreDisplayListState( format, ref handle );
#if TRACK_RESOURCES
vbs.Add( id, Environment.StackTrace );
#endif
return id;
}
unsafe static int SetupDisplayListState<T>( T[] vertices, VertexFormat format, out GCHandle handle ) {
int id = GL.GenLists( 1 );
int stride = strideSizes[(int)format];
GL.NewList( id, ListMode.Compile );
GL.EnableClientState( ArrayCap.VertexArray );
handle = GCHandle.Alloc( vertices, GCHandleType.Pinned );
IntPtr p = handle.AddrOfPinnedObject();
GL.VertexPointer( 3, VertexPointerType.Float, stride, (IntPtr)( 0 + (byte*)p ) );
EnableClientState( format );
if( format == VertexFormat.VertexPos3fCol4b ) {
GL.ColorPointer( 4, ColorPointerType.UnsignedByte, stride, (IntPtr)( 12 + (byte*)p ) );
} else if( format == VertexFormat.VertexPos3fTex2f ) {
GL.TexCoordPointer( 2, TexCoordPointerType.Float, stride, (IntPtr)( 12 + (byte*)p ) );
} else if( format == VertexFormat.VertexPos3fTex2fCol4b ) {
GL.TexCoordPointer( 2, TexCoordPointerType.Float, stride, (IntPtr)( 12 + (byte*)p ) );
GL.ColorPointer( 4, ColorPointerType.UnsignedByte, stride, (IntPtr)( 20 + (byte*)p ) );
}
return id;
}
static void RestoreDisplayListState( VertexFormat format, ref GCHandle handle ) {
handle.Free();
DisableClientState( format );
GL.Color3( 1f, 1f, 1f ); // NOTE: not sure why, but display lists seem to otherwise modify global colour..
GL.EndList();
}
public override void DeleteVb( int id ) { public override void DeleteVb( int id ) {
if( id <= 0 ) return; if( id <= 0 ) return;
#if TRACK_RESOURCES #if TRACK_RESOURCES
vbs.Remove( id ); vbs.Remove( id );
#endif #endif
if( !useVbos ) {
GL.DeleteLists( id, 1 );
return;
}
GL.Arb.DeleteBuffers( 1, ref id ); GL.Arb.DeleteBuffers( 1, ref id );
} }
public override void DeleteIndexedVb( IndexedVbInfo id ) { public override void DeleteIndexedVb( IndexedVbInfo id ) {
if( id.Vb <= 0 && id.Ib <= 0 ) return; if( id.Vb <= 0 && id.Ib <= 0 ) return;
if( !useVbos ) {
GL.DeleteLists( id.Vb, 1 );
return;
}
GL.Arb.DeleteBuffers( 2, ref id.Vb ); GL.Arb.DeleteBuffers( 2, ref id.Vb );
} }
public override bool IsValidVb( int vb ) { public override bool IsValidVb( int vb ) {
return useVbos ? GL.Arb.IsBuffer( vb ) : GL.IsList( vb ); return GL.Arb.IsBuffer( vb );
} }
public override void DrawVbPos3fTex2f( DrawMode mode, int id, int verticesCount ) { public override void DrawVbPos3fTex2f( DrawMode mode, int id, int verticesCount ) {
@ -364,7 +301,6 @@ namespace ClassicalSharp.GraphicsAPI {
VertexFormat batchFormat; VertexFormat batchFormat;
public override void BeginVbBatch( VertexFormat format ) { public override void BeginVbBatch( VertexFormat format ) {
if( !useVbos ) return;
batchFormat = format; batchFormat = format;
EnableClientState( format ); EnableClientState( format );
if( format == VertexFormat.VertexPos3fTex2fCol4b ) { if( format == VertexFormat.VertexPos3fTex2fCol4b ) {
@ -377,24 +313,14 @@ namespace ClassicalSharp.GraphicsAPI {
} }
public override void BeginIndexedVbBatch() { public override void BeginIndexedVbBatch() {
if( !useVbos ) return;
EnableClientState( VertexFormat.VertexPos3fTex2fCol4b ); EnableClientState( VertexFormat.VertexPos3fTex2fCol4b );
} }
public override void DrawVbBatch( DrawMode mode, int id, int verticesCount ) { public override void DrawVbBatch( DrawMode mode, int id, int verticesCount ) {
if( !useVbos ) {
GL.CallList( id );
return;
}
drawBatchFunc( mode, id, verticesCount ); drawBatchFunc( mode, id, verticesCount );
} }
public override void DrawIndexedVbBatch( DrawMode mode, IndexedVbInfo id, int indicesCount ) { public override void DrawIndexedVbBatch( DrawMode mode, IndexedVbInfo id, int indicesCount ) {
if( !useVbos ) {
GL.CallList( id.Vb );
return;
}
GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, id.Vb ); GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, id.Vb );
GL.Arb.BindBuffer( BufferTargetArb.ElementArrayBuffer, id.Ib ); GL.Arb.BindBuffer( BufferTargetArb.ElementArrayBuffer, id.Ib );
GL.VertexPointer( 3, VertexPointerType.Float, 24, new IntPtr( 0 ) ); GL.VertexPointer( 3, VertexPointerType.Float, 24, new IntPtr( 0 ) );
@ -404,13 +330,11 @@ namespace ClassicalSharp.GraphicsAPI {
} }
public override void EndVbBatch() { public override void EndVbBatch() {
if( !useVbos ) return;
DisableClientState( batchFormat ); DisableClientState( batchFormat );
GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, 0 ); GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, 0 );
} }
public override void EndIndexedVbBatch() { public override void EndIndexedVbBatch() {
if( !useVbos ) return;
DisableClientState( VertexFormat.VertexPos3fTex2fCol4b ); DisableClientState( VertexFormat.VertexPos3fTex2fCol4b );
GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, 0 ); GL.Arb.BindBuffer( BufferTargetArb.ArrayBuffer, 0 );
GL.Arb.BindBuffer( BufferTargetArb.ElementArrayBuffer, 0 ); GL.Arb.BindBuffer( BufferTargetArb.ElementArrayBuffer, 0 );