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texture support

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This commit is contained in:
Chris Forbes
2010-02-15 17:37:51 +13:00
parent e1466829ac
commit 23a4e103bb
1 changed files with 27 additions and 2 deletions
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29
OpenRa.Gl/GraphicsDevice.cs
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@@ -7,6 +7,7 @@ using Tao.OpenGl;
using Tao.Cg;
using Tao.Platform.Windows;
using System.Runtime.InteropServices;
using System.Drawing.Imaging;
namespace OpenRa.GlRenderer
{
@@ -178,8 +179,32 @@ namespace OpenRa.GlRenderer
public class Texture
{
public Texture(GraphicsDevice dev, Bitmap bitmap) { }
public void SetData(Bitmap bitmap) { }
internal int texture;
public Texture(GraphicsDevice dev, Bitmap bitmap)
{
Gl.glGenTextures(1, out texture);
GraphicsDevice.CheckGlError();
SetData(bitmap);
}
public void SetData(Bitmap bitmap)
{
var bits = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format32bppArgb);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_BASE_LEVEL, 0);
GraphicsDevice.CheckGlError();
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAX_LEVEL, 0);
GraphicsDevice.CheckGlError();
Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, bits.Width, bits.Height,
0, Gl.GL_RGBA, Gl.GL_UNSIGNED_BYTE, bits.Scan0); // todo: weird strides
GraphicsDevice.CheckGlError();
bitmap.UnlockBits(bits);
}
}
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