C# (CSharp) BitmapBufferProvider.GetRawBufferHeadの例

コード例 #1

ファイル: GLBitmap.cs プロジェクト: BiDuc/PixelFarm

        void BuildTexture()
        {
            GL.GenTextures(1, out _textureId);
#if DEBUG
            System.Diagnostics.Debug.WriteLine("texture_id" + _textureId);
#endif


            //bind
            GL.BindTexture(TextureTarget.Texture2D, _textureId);
            if (_memBitmap != null)
            {
                GL.TexImage2D((TextureTarget2d)TextureTarget.Texture2D, 0,
                              (TextureComponentCount)PixelInternalFormat.Rgba, _width, _height, 0,
                              PixelFormat.Rgba, //
                              PixelType.UnsignedByte, PixelFarm.CpuBlit.MemBitmap.GetBufferPtr(_memBitmap).Ptr);
            }
            else
            {
                IntPtr bmpScan0 = _bmpBufferProvider.GetRawBufferHead();
                GL.TexImage2D((TextureTarget2d)TextureTarget.Texture2D, 0,
                              (TextureComponentCount)PixelInternalFormat.Rgba, _width, _height, 0,
                              PixelFormat.Rgba,
                              PixelType.UnsignedByte, (IntPtr)bmpScan0);
                _bmpBufferProvider.ReleaseBufferHead();
                _bmpBufferProvider.NotifyUsage();
            }
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
        }

コード例 #2

ファイル: GLBitmap.cs プロジェクト: 52ChaseDream/PixelFarm

        void BuildFromExistingBitmap()
        {
            GL.GenTextures(1, out _textureId);
#if DEBUG
            System.Diagnostics.Debug.WriteLine("gen texture_id:" + _textureId);
#endif
            //test convert from BGRA to RGBA

            //bind
            GL.BindTexture(TextureTarget.Texture2D, _textureId);
            if (_memBitmap != null)
            {
                GL.TexImage2D(TextureTarget.Texture2D, 0,
                              PixelInternalFormat.Rgba, _width, _height, 0,
                              PixelFormat.Rgba,
                              PixelType.UnsignedByte, PixelFarm.CpuBlit.MemBitmap.GetBufferPtr(_memBitmap).Ptr);
            }
            else
            {
                IntPtr bmpScan0 = _bmpBufferProvider.GetRawBufferHead();
                GL.TexImage2D(TextureTarget.Texture2D, 0,
                              PixelInternalFormat.Rgba, _width, _height, 0,
                              PixelFormat.Rgba,
                              PixelType.UnsignedByte, bmpScan0);
                _bmpBufferProvider.ReleaseBufferHead();

#if DEBUG
                _bmpBufferProvider.dbugNotifyUsage();
#endif
            }
            //GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
            //GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
        }