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Compatibility for OpenGL <3

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This commit is contained in:
Flamefire committed 2013-04-28 22:48:56 +02:00
1 parent 5463ea0546
commit e8f85454e8
1 file changed
+37 -20
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Vocaluxe/Lib/Draw/COpenGL.cs
+37 -20
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@@ -83,6 +83,8 @@ namespace Vocaluxe.Lib.Draw
private SClientRect _Restore;
private bool _Fullscreen;
private bool _IsV3OrHigher;
private readonly Dictionary<int, STexture> _Textures;
private readonly Queue<int> _IDs;
private readonly List<STextureQueue> _Queue;
@@ -154,6 +156,7 @@ namespace Vocaluxe.Lib.Draw
ClientSize = new Size(CConfig.ScreenW, CConfig.ScreenH);
CenterToScreen();
_IsV3OrHigher = int.Parse(GL.GetString(OpenTK.Graphics.OpenGL.StringName.Version)[0].ToString()) >= 3;
}
#region Helpers
@@ -741,37 +744,44 @@ namespace Vocaluxe.Lib.Draw
texture.W2 = MathHelper.NextPowerOfTwo(w);
texture.H2 = MathHelper.NextPowerOfTwo(h);
using (Bitmap bmp2 = new Bitmap((int)texture.W2, (int)texture.H2))
try
{
Graphics g = Graphics.FromImage(bmp2);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.DrawImage(bmp, new Rectangle(0, 0, bmp2.Width, bmp2.Height));
g.Dispose();
using (Bitmap bmp2 = new Bitmap((int)texture.W2, (int)texture.H2))
{
Graphics g = Graphics.FromImage(bmp2);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.DrawImage(bmp, new Rectangle(0, 0, bmp2.Width, bmp2.Height));
g.Dispose();
texture.WidthRatio = 1f;
texture.HeightRatio = 1f;
texture.WidthRatio = 1f;
texture.HeightRatio = 1f;
BitmapData bmpData = bmp2.LockBits(new Rectangle(0, 0, bmp2.Width, bmp2.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
BitmapData bmpData = bmp2.LockBits(new Rectangle(0, 0, bmp2.Width, bmp2.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (!_IsV3OrHigher)
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, 1);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, (int)texture.W2, (int)texture.H2, 0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, (int)texture.W2, (int)texture.H2, 0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, bmpData.Width, bmpData.Height, PixelFormat.Bgra, PixelType.UnsignedByte, bmpData.Scan0);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, bmpData.Width, bmpData.Height, PixelFormat.Bgra, PixelType.UnsignedByte, bmpData.Scan0);
bmp2.UnlockBits(bmpData);
bmp2.UnlockBits(bmpData);
}
}
catch
{
CLog.LogError(w + " " + h + " " + (int)texture.W2 + " " + (int)texture.H2);
throw;
}
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
//GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
if (_IsV3OrHigher)
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
// Add to Texture List
@@ -949,6 +959,8 @@ namespace Vocaluxe.Lib.Draw
GL.UnmapBuffer(BufferTarget.PixelUnpackBuffer);
GL.BindTexture(TextureTarget.Texture2D, texture.ID);
if (!_IsV3OrHigher)
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, 1);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, (int)texture.Width, (int)texture.Height, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.BindTexture(TextureTarget.Texture2D, 0);
@@ -973,8 +985,9 @@ namespace Vocaluxe.Lib.Draw
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
//GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
if (_IsV3OrHigher)
//GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, 0);
@@ -1368,6 +1381,9 @@ namespace Vocaluxe.Lib.Draw
texture.WidthRatio = texture.Width / texture.W2;
texture.HeightRatio = texture.Height / texture.H2;
if (!_IsV3OrHigher)
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, 1);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, (int)texture.W2, (int)texture.H2, 0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, q.Width, q.Height, PixelFormat.Bgra, PixelType.UnsignedByte, q.Data);
@@ -1379,7 +1395,8 @@ namespace Vocaluxe.Lib.Draw
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
if (!_IsV3OrHigher)
GL.Ext.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, 0);