public static void DrawIndexed(PrimitiveType primitiveType, Shader shader, VertexBuffer vertexBuffer, IndexBuffer indexBuffer, int startIndex, int indicesCount)
{
VerifyParametersDrawIndexed(primitiveType, shader, vertexBuffer, indexBuffer, startIndex, indicesCount);
GLWrapper.ApplyRenderTarget(RenderTarget);
GLWrapper.ApplyViewportScissor(Viewport, ScissorRectangle, RasterizerState.ScissorTestEnable);
GLWrapper.ApplyShaderAndBuffers(shader, vertexBuffer.VertexDeclaration, IntPtr.Zero, vertexBuffer.m_buffer, indexBuffer.m_buffer);
GLWrapper.ApplyRasterizerState(RasterizerState);
GLWrapper.ApplyDepthStencilState(DepthStencilState);
GLWrapper.ApplyBlendState(BlendState);
GL.DrawElements(GLWrapper.TranslatePrimitiveType(primitiveType), indicesCount, GLWrapper.TranslateIndexFormat(indexBuffer.IndexFormat), new IntPtr(startIndex * indexBuffer.IndexFormat.GetSize()));
}
public static void Draw(PrimitiveType primitiveType, Shader shader, VertexBuffer vertexBuffer, int startVertex, int verticesCount)
{
VerifyParametersDraw(primitiveType, shader, vertexBuffer, startVertex, verticesCount);
GLWrapper.ApplyRenderTarget(RenderTarget);
GLWrapper.ApplyViewportScissor(Viewport, ScissorRectangle, RasterizerState.ScissorTestEnable);
GLWrapper.ApplyShaderAndBuffers(shader, vertexBuffer.VertexDeclaration, IntPtr.Zero, vertexBuffer.m_buffer, null);
GLWrapper.ApplyRasterizerState(RasterizerState);
GLWrapper.ApplyDepthStencilState(DepthStencilState);
GLWrapper.ApplyBlendState(BlendState);
GL.DrawArrays(GLWrapper.TranslatePrimitiveType(primitiveType), startVertex, verticesCount);
}
public static void DrawUser <T>(PrimitiveType primitiveType, Shader shader, VertexDeclaration vertexDeclaration, T[] vertexData, int startVertex, int verticesCount) where T : struct
{
VerifyParametersDrawUser(primitiveType, shader, vertexDeclaration, vertexData, startVertex, verticesCount);
GCHandle gCHandle = GCHandle.Alloc(vertexData, GCHandleType.Pinned);
try
{
GLWrapper.ApplyRenderTarget(RenderTarget);
GLWrapper.ApplyViewportScissor(Viewport, ScissorRectangle, RasterizerState.ScissorTestEnable);
GLWrapper.ApplyShaderAndBuffers(shader, vertexDeclaration, gCHandle.AddrOfPinnedObject() + startVertex * vertexDeclaration.VertexStride, 0, null);
GLWrapper.ApplyRasterizerState(RasterizerState);
GLWrapper.ApplyDepthStencilState(DepthStencilState);
GLWrapper.ApplyBlendState(BlendState);
GL.DrawArrays(GLWrapper.TranslatePrimitiveType(primitiveType), startVertex, verticesCount);
}
finally
{
gCHandle.Free();
}
}
public static void DrawUserIndexed <T>(PrimitiveType primitiveType, Shader shader, VertexDeclaration vertexDeclaration, T[] vertexData, int startVertex, int verticesCount, ushort[] indexData, int startIndex, int indicesCount) where T : struct
{
VerifyParametersDrawUserIndexed(primitiveType, shader, vertexDeclaration, vertexData, startVertex, verticesCount, indexData, startIndex, indicesCount);
GCHandle gCHandle = GCHandle.Alloc(vertexData, GCHandleType.Pinned);
GCHandle gCHandle2 = GCHandle.Alloc(indexData, GCHandleType.Pinned);
try
{
GLWrapper.ApplyRenderTarget(RenderTarget);
GLWrapper.ApplyViewportScissor(Viewport, ScissorRectangle, RasterizerState.ScissorTestEnable);
GLWrapper.ApplyShaderAndBuffers(shader, vertexDeclaration, gCHandle.AddrOfPinnedObject(), 0, 0);
GLWrapper.ApplyRasterizerState(RasterizerState);
GLWrapper.ApplyDepthStencilState(DepthStencilState);
GLWrapper.ApplyBlendState(BlendState);
GL.DrawElements(GLWrapper.TranslatePrimitiveType(primitiveType), indicesCount, All.UnsignedShort, gCHandle2.AddrOfPinnedObject() + 2 * startIndex);
}
finally
{
gCHandle.Free();
gCHandle2.Free();
}
}
