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Report the size of uploaded VBO data, when an error occurs.

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This commit is contained in:
the_fiddler 2008-03-03 12:45:18 +00:00
parent 223c742648
commit edd10b86d9
1 changed files with 18 additions and 9 deletions
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27
Source/Examples/Tutorial/T10_GLSL_Cube.cs
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@ -132,24 +132,33 @@ namespace Examples.Tutorial
// Upload the vertex data. // Upload the vertex data.
GL.BindBuffer(BufferTarget.ArrayBuffer, vertex_buffer_object); GL.BindBuffer(BufferTarget.ArrayBuffer, vertex_buffer_object);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(shape.Vertices.Length * 3 * sizeof(float)), shape.Vertices, BufferUsageHint.StaticDraw); GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(shape.Vertices.Length * 3 * sizeof(float)), shape.Vertices,
BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size); GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (size != shape.Vertices.Length * 3 * sizeof(Single)) if (size != shape.Vertices.Length * 3 * sizeof(Single))
throw new ApplicationException("Problem uploading vertex data to VBO"); throw new ApplicationException(String.Format(
"Problem uploading vertex data to VBO (vertices). Tried to upload {0} bytes, uploaded {1}.",
shape.Vertices.Length * 3 * sizeof(Single), size));
// Upload the color data. // Upload the color data.
GL.BindBuffer(BufferTarget.ArrayBuffer, color_buffer_object); GL.BindBuffer(BufferTarget.ArrayBuffer, color_buffer_object);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(shape.Colors.Length * sizeof(int)), shape.Colors, BufferUsageHint.StaticDraw); GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(shape.Colors.Length * sizeof(int)), shape.Colors,
BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size); GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (shape.Colors.Length * sizeof(int) != size) if (size != shape.Colors.Length * sizeof(int))
throw new ApplicationException("Problem uploading color data to VBO"); throw new ApplicationException(String.Format(
"Problem uploading vertex data to VBO (colors). Tried to upload {0} bytes, uploaded {1}.",
shape.Colors.Length * sizeof(int), size));
// Upload the index data (elements inside the vertex data, not color indices as per the IndexPointer function!) // Upload the index data (elements inside the vertex data, not color indices as per the IndexPointer function!)
GL.BindBuffer(BufferTarget.ElementArrayBuffer, element_buffer_object); GL.BindBuffer(BufferTarget.ElementArrayBuffer, element_buffer_object);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(shape.Indices.Length * sizeof(Int32)), shape.Indices, BufferUsageHint.StaticDraw); GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(shape.Indices.Length * sizeof(Int32)), shape.Indices,
BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size); GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (shape.Indices.Length * 4 != size) if (size != shape.Indices.Length * sizeof(int))
throw new ApplicationException("Problem uploading index data to VBO"); throw new ApplicationException(String.Format(
"Problem uploading vertex data to VBO (offsets). Tried to upload {0} bytes, uploaded {1}.",
shape.Indices.Length * sizeof(int), size));
} }
#endregion #endregion
@ -256,7 +265,7 @@ namespace Examples.Tutorial
//if (error != 0) //if (error != 0)
// Debug.Print(Glu.ErrorString(Glu.Enums.ErrorCode.INVALID_OPERATION)); // Debug.Print(Glu.ErrorString(Glu.Enums.ErrorCode.INVALID_OPERATION));
Context.SwapBuffers(); SwapBuffers();
} }
#endregion #endregion