/// <summary>
/// Helper function to handle the inconvenient fact that the packing for RenderModel_TextureMap_t is
/// different on Linux/OSX (4) than it is on Windows (8)
/// </summary>
/// <param name="pRenderModel">native pointer to the RenderModel_TextureMap_t</param>
/// <returns></returns>
private RenderModel_TextureMap_t MarshalRenderModel_TextureMap(System.IntPtr pRenderModel)
{
if ((System.Environment.OSVersion.Platform == System.PlatformID.MacOSX) ||
(System.Environment.OSVersion.Platform == System.PlatformID.Unix))
{
var packedModel = (RenderModel_TextureMap_t_Packed)Marshal.PtrToStructure(pRenderModel, typeof(RenderModel_TextureMap_t_Packed));
RenderModel_TextureMap_t model = new RenderModel_TextureMap_t();
packedModel.Unpack(ref model);
return(model);
}
else
{
return((RenderModel_TextureMap_t)Marshal.PtrToStructure(pRenderModel, typeof(RenderModel_TextureMap_t)));
}
}
public abstract void FreeTexture(ref RenderModel_TextureMap_t pTexture);
public override void FreeTexture(ref RenderModel_TextureMap_t pTexture)
{
CheckIfUsable();
VRNativeEntrypoints.VR_IVRRenderModels_FreeTexture(m_pVRRenderModels,ref pTexture);
}
internal static extern void VR_IVRRenderModels_FreeTexture(IntPtr instancePtr, ref RenderModel_TextureMap_t pTexture);
} // 0x00000001801DA030-0x00000001801DA0D0
// Methods
public void Unpack(ref RenderModel_TextureMap_t unpacked)
{
} // 0x00000001801DA010-0x00000001801DA030
public IntPtr rubTextureMapData; // 0x08
// Constructors
public RenderModel_TextureMap_t_Packed(RenderModel_TextureMap_t unpacked)
{
unWidth = default;
unHeight = default;
rubTextureMapData = default;
} // 0x00000001801DA030-0x00000001801DA0D0
// Token: 0x0600200C RID: 8204 RVA: 0x0009E67F File Offset: 0x0009C87F
public void Unpack(ref RenderModel_TextureMap_t unpacked)
{
unpacked.unWidth = this.unWidth;
unpacked.unHeight = this.unHeight;
unpacked.rubTextureMapData = this.rubTextureMapData;
}
// Token: 0x0600200B RID: 8203 RVA: 0x0009E659 File Offset: 0x0009C859
public RenderModel_TextureMap_t_Packed(RenderModel_TextureMap_t unpacked)
{
this.unWidth = unpacked.unWidth;
this.unHeight = unpacked.unHeight;
this.rubTextureMapData = unpacked.rubTextureMapData;
}
public static GLRenderModel Create(string name, RenderModel_t renderModel, RenderModel_TextureMap_t diffuseTexture)
{
// create and bind a VAO to hold the state for this model
int vao = OpenGLUtil.CreateVertexArrayObject();
GL.BindVertexArray(vao);
// populate the vertex buffer
int vbo = OpenGLUtil.CreateBufferObject();
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, Marshal.SizeOf<RenderModel_Vertex_t>() * (int)renderModel.unVertexCount, renderModel.rVertexData, BufferUsageHint.StaticDraw);
// identity the components in teh vertex buffer
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, Marshal.SizeOf<RenderModel_Vertex_t>(), Marshal.OffsetOf<RenderModel_Vertex_t>("vPosition")); // this might have to be size of 4?
GL.EnableVertexAttribArray(1);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, Marshal.SizeOf<RenderModel_Vertex_t>(), Marshal.OffsetOf<RenderModel_Vertex_t>("vNormal"));
GL.EnableVertexAttribArray(2);
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, Marshal.SizeOf<RenderModel_Vertex_t>(), Marshal.OffsetOf<RenderModel_Vertex_t>("rfTextureCoord0"));
// create and populate the index buffer
int indexBuffer = OpenGLUtil.CreateBufferObject();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, Marshal.SizeOf<ushort>() * (int)renderModel.unTriangleCount * 3, renderModel.rIndexData, BufferUsageHint.StaticDraw);
GL.BindVertexArray(0);
// create and populate the texture
int texture = OpenGLUtil.CreateTexture();
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, diffuseTexture.unWidth, diffuseTexture.unHeight,
0, PixelFormat.Rgba, PixelType.UnsignedByte, diffuseTexture.rubTextureMapData);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, new[] { (int)TextureParameterName.ClampToEdge });
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, new[] { (int)TextureParameterName.ClampToEdge });
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, new[] { (int)TextureMagFilter.Linear });
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, new[] { (int)TextureMinFilter.LinearMipmapLinear });
// *****missing stuff about anisotropy ***** // not sure if this is right
float largest = GL.GetFloat((GetPName)0x84FF);
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)0x84FE, largest);
GL.BindTexture(TextureTarget.Texture2D, 0);
return new GLRenderModel(vbo, indexBuffer, vao, texture, (int)renderModel.unTriangleCount * 3, name);
}
