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split renderer into a file per class

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This commit is contained in:
Chris Forbes
2010-07-16 18:22:19 +12:00
parent d821dd011f
commit 4c8f85b36b
6 changed files with 324 additions and 232 deletions
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238
OpenRA.Gl/GraphicsDevice.cs
View File

@@ -20,9 +20,7 @@
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using OpenRA.FileFormats.Graphics;
using Tao.Cg;
@@ -257,13 +255,15 @@ namespace OpenRA.GlRenderer
public void DrawIndexedPrimitives(PrimitiveType pt, Range<int> vertices, Range<int> indices)
{
Gl.glDrawElements(ModeFromPrimitiveType(pt), indices.End - indices.Start, Gl.GL_UNSIGNED_SHORT, new IntPtr(indices.Start * 2));
Gl.glDrawElements(ModeFromPrimitiveType(pt), indices.End - indices.Start,
Gl.GL_UNSIGNED_SHORT, new IntPtr(indices.Start * 2));
CheckGlError();
}
public void DrawIndexedPrimitives(PrimitiveType pt, int numVerts, int numPrimitives)
{
Gl.glDrawElements(ModeFromPrimitiveType(pt), numPrimitives * IndicesPerPrimitive(pt), Gl.GL_UNSIGNED_SHORT, IntPtr.Zero);
Gl.glDrawElements(ModeFromPrimitiveType(pt), numPrimitives * IndicesPerPrimitive(pt),
Gl.GL_UNSIGNED_SHORT, IntPtr.Zero);
CheckGlError();
}
@@ -289,231 +289,9 @@ namespace OpenRA.GlRenderer
throw new NotImplementedException();
}
#region IGraphicsDevice Members
public IVertexBuffer<Vertex> CreateVertexBuffer(int size)
{
return new VertexBuffer<Vertex>(this, size);
}
public IIndexBuffer CreateIndexBuffer(int size)
{
return new IndexBuffer(this, size);
}
public ITexture CreateTexture(Bitmap bitmap)
{
return new Texture(this, bitmap);
}
public IShader CreateShader(Stream stream)
{
return new Shader(this, stream);
}
#endregion
}
public class VertexBuffer<T> : IVertexBuffer<T>, IDisposable
where T : struct
{
int buffer;
public VertexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
}
public void SetData(T[] data)
{
Bind();
Gl.glBufferData(Gl.GL_ARRAY_BUFFER,
new IntPtr(Marshal.SizeOf(typeof(T)) * data.Length), data, Gl.GL_DYNAMIC_DRAW);
GraphicsDevice.CheckGlError();
}
public void Bind()
{
Gl.glBindBuffer(Gl.GL_ARRAY_BUFFER, buffer);
GraphicsDevice.CheckGlError();
Gl.glVertexPointer(3, Gl.GL_FLOAT, Marshal.SizeOf(typeof(T)), IntPtr.Zero);
GraphicsDevice.CheckGlError();
Gl.glTexCoordPointer(4, Gl.GL_FLOAT, Marshal.SizeOf(typeof(T)), new IntPtr(12));
GraphicsDevice.CheckGlError();
}
bool disposed;
public void Dispose()
{
if (disposed) return;
GC.SuppressFinalize(this);
Gl.glDeleteBuffers(1, ref buffer);
GraphicsDevice.CheckGlError();
disposed = true;
}
//~VertexBuffer() { Dispose(); }
}
public class IndexBuffer : IIndexBuffer, IDisposable
{
int buffer;
public IndexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
}
public void SetData(ushort[] data)
{
Bind();
Gl.glBufferData(Gl.GL_ELEMENT_ARRAY_BUFFER,
new IntPtr(2 * data.Length), data, Gl.GL_DYNAMIC_DRAW);
GraphicsDevice.CheckGlError();
}
public void Bind()
{
Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, buffer);
GraphicsDevice.CheckGlError();
}
bool disposed;
public void Dispose()
{
if (disposed) return;
GC.SuppressFinalize(this);
Gl.glDeleteBuffers(1, ref buffer);
GraphicsDevice.CheckGlError();
disposed = true;
}
//~IndexBuffer() { Dispose(); }
}
public class Shader : IShader
{
IntPtr effect;
IntPtr technique;
GraphicsDevice dev;
public Shader(GraphicsDevice dev, Stream s)
{
this.dev = dev;
string code;
using (var file = new StreamReader(s))
code = file.ReadToEnd();
effect = Cg.cgCreateEffect(dev.cgContext, code, null);
if (effect == IntPtr.Zero)
{
var err = Cg.cgGetErrorString(Cg.cgGetError());
var results = Cg.cgGetLastListing(dev.cgContext);
throw new InvalidOperationException(
string.Format("Cg compile failed ({0}):\n{1}", err, results));
}
technique = Cg.cgGetFirstTechnique(effect);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No techniques");
while (Cg.cgValidateTechnique(technique) == 0)
{
technique = Cg.cgGetNextTechnique(technique);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No valid techniques");
}
}
public void Render(Action a)
{
CgGl.cgGLEnableProfile(dev.vertexProfile);
CgGl.cgGLEnableProfile(dev.fragmentProfile);
var pass = Cg.cgGetFirstPass(technique);
while (pass != IntPtr.Zero)
{
Cg.cgSetPassState(pass);
a();
Cg.cgResetPassState(pass);
pass = Cg.cgGetNextPass(pass);
}
CgGl.cgGLDisableProfile(dev.fragmentProfile);
CgGl.cgGLDisableProfile(dev.vertexProfile);
}
public void SetValue(string name, ITexture t)
{
var texture = (Texture)t;
var param = Cg.cgGetNamedEffectParameter(effect, name);
if (param != IntPtr.Zero && texture != null)
CgGl.cgGLSetupSampler(param, texture.texture);
}
public void SetValue(string name, float x, float y)
{
var param = Cg.cgGetNamedEffectParameter(effect, name);
if (param != IntPtr.Zero)
CgGl.cgGLSetParameter2f(param, x, y);
}
public void Commit() { }
}
public class Texture : ITexture
{
internal int texture;
public Texture(GraphicsDevice dev, Bitmap bitmap)
{
Gl.glGenTextures(1, out texture);
GraphicsDevice.CheckGlError();
SetData(bitmap);
}
public void SetData(Bitmap bitmap)
{
if (!IsPowerOf2(bitmap.Width) || !IsPowerOf2(bitmap.Height))
{
//throw new InvalidOperationException( "non-power-of-2-texture" );
bitmap = new Bitmap(bitmap, new Size(NextPowerOf2(bitmap.Width), NextPowerOf2(bitmap.Height)));
}
Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture);
GraphicsDevice.CheckGlError();
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_BGRA, Gl.GL_UNSIGNED_BYTE, bits.Scan0); // todo: weird strides
GraphicsDevice.CheckGlError();
bitmap.UnlockBits(bits);
}
bool IsPowerOf2(int v)
{
return (v & (v - 1)) == 0;
}
int NextPowerOf2(int v)
{
--v;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
++v;
return v;
}
public IVertexBuffer<Vertex> CreateVertexBuffer(int size) { return new VertexBuffer<Vertex>(this, size); }
public IIndexBuffer CreateIndexBuffer(int size) { return new IndexBuffer(this, size); }
public ITexture CreateTexture(Bitmap bitmap) { return new Texture(this, bitmap); }
public IShader CreateShader(Stream stream) { return new Shader(this, stream); }
}
}

63
OpenRA.Gl/IndexBuffer.cs Normal file
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@@ -0,0 +1,63 @@
#region Copyright & License Information
/*
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
* This file is part of OpenRA.
*
* OpenRA is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System;
using OpenRA.FileFormats.Graphics;
using Tao.OpenGl;
namespace OpenRA.GlRenderer
{
public class IndexBuffer : IIndexBuffer, IDisposable
{
int buffer;
public IndexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
}
public void SetData(ushort[] data)
{
Bind();
Gl.glBufferData(Gl.GL_ELEMENT_ARRAY_BUFFER,
new IntPtr(2 * data.Length), data, Gl.GL_DYNAMIC_DRAW);
GraphicsDevice.CheckGlError();
}
public void Bind()
{
Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, buffer);
GraphicsDevice.CheckGlError();
}
bool disposed;
public void Dispose()
{
if (disposed) return;
GC.SuppressFinalize(this);
Gl.glDeleteBuffers(1, ref buffer);
GraphicsDevice.CheckGlError();
disposed = true;
}
//~IndexBuffer() { Dispose(); }
}
}

4
OpenRA.Gl/OpenRA.Gl.csproj
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@@ -54,7 +54,11 @@
</ItemGroup>
<ItemGroup>
<Compile Include="GraphicsDevice.cs" />
<Compile Include="IndexBuffer.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Shader.cs" />
<Compile Include="Texture.cs" />
<Compile Include="VertexBuffer.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

96
OpenRA.Gl/Shader.cs Normal file
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@@ -0,0 +1,96 @@
#region Copyright & License Information
/*
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
* This file is part of OpenRA.
*
* OpenRA is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System;
using System.IO;
using OpenRA.FileFormats.Graphics;
using Tao.Cg;
namespace OpenRA.GlRenderer
{
public class Shader : IShader
{
IntPtr effect;
IntPtr technique;
GraphicsDevice dev;
public Shader(GraphicsDevice dev, Stream s)
{
this.dev = dev;
string code;
using (var file = new StreamReader(s))
code = file.ReadToEnd();
effect = Cg.cgCreateEffect(dev.cgContext, code, null);
if (effect == IntPtr.Zero)
{
var err = Cg.cgGetErrorString(Cg.cgGetError());
var results = Cg.cgGetLastListing(dev.cgContext);
throw new InvalidOperationException(
string.Format("Cg compile failed ({0}):\n{1}", err, results));
}
technique = Cg.cgGetFirstTechnique(effect);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No techniques");
while (Cg.cgValidateTechnique(technique) == 0)
{
technique = Cg.cgGetNextTechnique(technique);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No valid techniques");
}
}
public void Render(Action a)
{
CgGl.cgGLEnableProfile(dev.vertexProfile);
CgGl.cgGLEnableProfile(dev.fragmentProfile);
var pass = Cg.cgGetFirstPass(technique);
while (pass != IntPtr.Zero)
{
Cg.cgSetPassState(pass);
a();
Cg.cgResetPassState(pass);
pass = Cg.cgGetNextPass(pass);
}
CgGl.cgGLDisableProfile(dev.fragmentProfile);
CgGl.cgGLDisableProfile(dev.vertexProfile);
}
public void SetValue(string name, ITexture t)
{
var texture = (Texture)t;
var param = Cg.cgGetNamedEffectParameter(effect, name);
if (param != IntPtr.Zero && texture != null)
CgGl.cgGLSetupSampler(param, texture.texture);
}
public void SetValue(string name, float x, float y)
{
var param = Cg.cgGetNamedEffectParameter(effect, name);
if (param != IntPtr.Zero)
CgGl.cgGLSetParameter2f(param, x, y);
}
public void Commit() { }
}
}

82
OpenRA.Gl/Texture.cs Normal file
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@@ -0,0 +1,82 @@
#region Copyright & License Information
/*
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
* This file is part of OpenRA.
*
* OpenRA is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System.Drawing;
using System.Drawing.Imaging;
using OpenRA.FileFormats.Graphics;
using Tao.OpenGl;
namespace OpenRA.GlRenderer
{
public class Texture : ITexture
{
internal int texture;
public Texture(GraphicsDevice dev, Bitmap bitmap)
{
Gl.glGenTextures(1, out texture);
GraphicsDevice.CheckGlError();
SetData(bitmap);
}
public void SetData(Bitmap bitmap)
{
if (!IsPowerOf2(bitmap.Width) || !IsPowerOf2(bitmap.Height))
{
//throw new InvalidOperationException( "non-power-of-2-texture" );
bitmap = new Bitmap(bitmap, new Size(NextPowerOf2(bitmap.Width), NextPowerOf2(bitmap.Height)));
}
Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture);
GraphicsDevice.CheckGlError();
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_BGRA, Gl.GL_UNSIGNED_BYTE, bits.Scan0); // todo: weird strides
GraphicsDevice.CheckGlError();
bitmap.UnlockBits(bits);
}
bool IsPowerOf2(int v)
{
return (v & (v - 1)) == 0;
}
int NextPowerOf2(int v)
{
--v;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
++v;
return v;
}
}
}

69
OpenRA.Gl/VertexBuffer.cs Normal file
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@@ -0,0 +1,69 @@
#region Copyright & License Information
/*
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
* This file is part of OpenRA.
*
* OpenRA is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System;
using System.Runtime.InteropServices;
using OpenRA.FileFormats.Graphics;
using Tao.OpenGl;
namespace OpenRA.GlRenderer
{
public class VertexBuffer<T> : IVertexBuffer<T>, IDisposable
where T : struct
{
int buffer;
public VertexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
}
public void SetData(T[] data)
{
Bind();
Gl.glBufferData(Gl.GL_ARRAY_BUFFER,
new IntPtr(Marshal.SizeOf(typeof(T)) * data.Length), data, Gl.GL_DYNAMIC_DRAW);
GraphicsDevice.CheckGlError();
}
public void Bind()
{
Gl.glBindBuffer(Gl.GL_ARRAY_BUFFER, buffer);
GraphicsDevice.CheckGlError();
Gl.glVertexPointer(3, Gl.GL_FLOAT, Marshal.SizeOf(typeof(T)), IntPtr.Zero);
GraphicsDevice.CheckGlError();
Gl.glTexCoordPointer(4, Gl.GL_FLOAT, Marshal.SizeOf(typeof(T)), new IntPtr(12));
GraphicsDevice.CheckGlError();
}
bool disposed;
public void Dispose()
{
if (disposed) return;
GC.SuppressFinalize(this);
Gl.glDeleteBuffers(1, ref buffer);
GraphicsDevice.CheckGlError();
disposed = true;
}
//~VertexBuffer() { Dispose(); }
}
}