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Remove unnecessary duplication between renderers.

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This commit is contained in:
Paul Chote
2013-03-04 20:17:22 +13:00
parent 786c3b1f1a
commit 21e8e3a78d
5 changed files with 83 additions and 146 deletions
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1
OpenRA.FileFormats/Graphics/IGraphicsDevice.cs
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@@ -40,7 +40,6 @@ namespace OpenRA.FileFormats.Graphics
IShader CreateShader( string name );
Size WindowSize { get; }
int GpuMemoryUsed { get; }
void Clear();
void Present();

77
OpenRA.Renderer.Cg/GraphicsDevice.cs
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@@ -24,21 +24,23 @@ namespace OpenRA.Renderer.Cg
{
public IGraphicsDevice Create(Size size, WindowMode windowMode)
{
Console.WriteLine("Using Cg renderer");
return new GraphicsDevice(size, windowMode);
}
}
public class GraphicsDevice : IGraphicsDevice
public class GraphicsDevice : SdlGraphics
{
Size windowSize;
static string[] RequiredExtensions =
{
"GL_ARB_vertex_program",
"GL_ARB_fragment_program",
"GL_ARB_vertex_buffer_object"
};
internal IntPtr cgContext;
internal int vertexProfile, fragmentProfile;
IntPtr surf;
SdlInput input;
public Size WindowSize { get { return windowSize; } }
static Tao.Cg.Cg.CGerrorCallbackFuncDelegate CgErrorCallback = () =>
{
var err = Tao.Cg.Cg.cgGetError();
@@ -48,19 +50,8 @@ namespace OpenRA.Renderer.Cg
};
public GraphicsDevice(Size size, WindowMode window)
: base(size, window, RequiredExtensions)
{
Console.WriteLine("Using Cg renderer");
windowSize = size;
var extensions = new []
{
"GL_ARB_vertex_program",
"GL_ARB_fragment_program",
"GL_ARB_vertex_buffer_object",
};
surf = SdlGraphics.InitializeSdlGl(ref windowSize, window, extensions);
cgContext = Tao.Cg.Cg.cgCreateContext();
Tao.Cg.Cg.cgSetErrorCallback(CgErrorCallback);
@@ -69,54 +60,8 @@ namespace OpenRA.Renderer.Cg
Tao.Cg.CgGl.cgGLSetManageTextureParameters(cgContext, true);
vertexProfile = CgGl.cgGLGetLatestProfile(CgGl.CG_GL_VERTEX);
fragmentProfile = CgGl.cgGLGetLatestProfile(CgGl.CG_GL_FRAGMENT);
Gl.glEnableClientState(Gl.GL_VERTEX_ARRAY);
ErrorHandler.CheckGlError();
Gl.glEnableClientState(Gl.GL_TEXTURE_COORD_ARRAY);
ErrorHandler.CheckGlError();
Sdl.SDL_SetModState(0); // i have had enough.
input = new SdlInput(surf);
}
public void EnableScissor(int left, int top, int width, int height)
{
if (width < 0) width = 0;
if (height < 0) height = 0;
Gl.glScissor(left, windowSize.Height - ( top + height ), width, height);
ErrorHandler.CheckGlError();
Gl.glEnable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void DisableScissor()
{
Gl.glDisable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void Clear() { SdlGraphics.Clear(); }
public void Present() { Sdl.SDL_GL_SwapBuffers(); }
public void PumpInput(IInputHandler inputHandler) { input.PumpInput(inputHandler); }
public void DrawPrimitives(PrimitiveType pt, int firstVertex, int numVertices)
{
SdlGraphics.DrawPrimitives(pt, firstVertex, numVertices);
}
public void SetLineWidth(float width)
{
Gl.glLineWidth(width);
ErrorHandler.CheckGlError();
}
public IVertexBuffer<Vertex> CreateVertexBuffer(int size) { return new VertexBuffer<Vertex>(size); }
public ITexture CreateTexture() { return new Texture(); }
public ITexture CreateTexture(Bitmap bitmap) { return new Texture(bitmap); }
public IShader CreateShader(string name) { return new Shader(this, name); }
public int GpuMemoryUsed { get { return 0; } }
public override IShader CreateShader(string name) { return new Shader(this, name); }
}
}

70
OpenRA.Renderer.Gl/GraphicsDevice.cs
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@@ -23,79 +23,23 @@ namespace OpenRA.Renderer.Glsl
{
public IGraphicsDevice Create(Size size, WindowMode windowMode)
{
Console.WriteLine("Using Gl renderer");
return new GraphicsDevice(size, windowMode);
}
}
public class GraphicsDevice : IGraphicsDevice
public class GraphicsDevice : SdlGraphics
{
Size windowSize;
IntPtr surf;
SdlInput input;
public Size WindowSize { get { return windowSize; } }
public GraphicsDevice(Size size, WindowMode window)
{
Console.WriteLine("Using Gl renderer");
windowSize = size;
var extensions = new []
static string[] RequiredExtensions =
{
"GL_ARB_vertex_shader",
"GL_ARB_fragment_shader",
"GL_ARB_vertex_buffer_object",
"GL_ARB_vertex_buffer_object"
};
surf = SdlGraphics.InitializeSdlGl(ref windowSize, window, extensions);
public GraphicsDevice(Size size, WindowMode window)
: base(size, window, RequiredExtensions) {}
Gl.glEnableClientState(Gl.GL_VERTEX_ARRAY);
ErrorHandler.CheckGlError();
Gl.glEnableClientState(Gl.GL_TEXTURE_COORD_ARRAY);
ErrorHandler.CheckGlError();
Sdl.SDL_SetModState(0);
input = new SdlInput(surf);
}
public void EnableScissor(int left, int top, int width, int height)
{
if (width < 0) width = 0;
if (height < 0) height = 0;
Gl.glScissor(left, windowSize.Height - ( top + height ), width, height);
ErrorHandler.CheckGlError();
Gl.glEnable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void DisableScissor()
{
Gl.glDisable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void Clear() { SdlGraphics.Clear(); }
public void Present() { Sdl.SDL_GL_SwapBuffers(); }
public void PumpInput(IInputHandler inputHandler) { input.PumpInput(inputHandler); }
public void DrawPrimitives(PrimitiveType pt, int firstVertex, int numVertices)
{
SdlGraphics.DrawPrimitives(pt, firstVertex, numVertices);
}
public void SetLineWidth( float width )
{
Gl.glLineWidth(width);
ErrorHandler.CheckGlError();
}
public IVertexBuffer<Vertex> CreateVertexBuffer( int size ) { return new VertexBuffer<Vertex>( size ); }
public ITexture CreateTexture() { return new Texture(); }
public ITexture CreateTexture( Bitmap bitmap ) { return new Texture( bitmap ); }
public IShader CreateShader( string name ) { return new Shader( this, name ); }
public int GpuMemoryUsed { get; internal set; }
public override IShader CreateShader(string name) { return new Shader( this, name ); }
}
}

2
OpenRA.Renderer.Null/NullGraphicsDevice.cs
View File

@@ -54,8 +54,6 @@ namespace OpenRA.Renderer.Null
public ITexture CreateTexture() { return new NullTexture(); }
public ITexture CreateTexture(Bitmap bitmap) { return new NullTexture(); }
public IShader CreateShader(string name) { return new NullShader(); }
public int GpuMemoryUsed { get { return 0; } }
}
public class NullShader : IShader

61
OpenRA.Renderer.SdlCommon/SdlGraphics.cs
View File

@@ -18,9 +18,30 @@ using Tao.Sdl;
namespace OpenRA.Renderer.SdlCommon
{
public static class SdlGraphics
public abstract class SdlGraphics : IGraphicsDevice
{
public static IntPtr InitializeSdlGl( ref Size size, WindowMode window, string[] requiredExtensions )
Size windowSize;
IntPtr surf;
SdlInput input;
public Size WindowSize { get { return windowSize; } }
public SdlGraphics(Size size, WindowMode window, string[] extensions)
{
windowSize = size;
surf = InitializeSdlGl(ref windowSize, window, extensions);
Gl.glEnableClientState(Gl.GL_VERTEX_ARRAY);
ErrorHandler.CheckGlError();
Gl.glEnableClientState(Gl.GL_TEXTURE_COORD_ARRAY);
ErrorHandler.CheckGlError();
Sdl.SDL_SetModState(0);
input = new SdlInput(surf);
}
IntPtr InitializeSdlGl(ref Size size, WindowMode window, string[] requiredExtensions)
{
Sdl.SDL_Init( Sdl.SDL_INIT_NOPARACHUTE | Sdl.SDL_INIT_VIDEO );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_DOUBLEBUFFER, 1 );
@@ -86,7 +107,7 @@ namespace OpenRA.Renderer.SdlCommon
return surf;
}
static int ModeFromPrimitiveType(PrimitiveType pt)
int ModeFromPrimitiveType(PrimitiveType pt)
{
switch(pt)
{
@@ -98,19 +119,49 @@ namespace OpenRA.Renderer.SdlCommon
throw new NotImplementedException();
}
public static void DrawPrimitives(PrimitiveType pt, int firstVertex, int numVertices)
public void DrawPrimitives(PrimitiveType pt, int firstVertex, int numVertices)
{
Gl.glDrawArrays(ModeFromPrimitiveType(pt), firstVertex, numVertices);
ErrorHandler.CheckGlError();
}
public static void Clear()
public void Clear()
{
Gl.glClearColor(0, 0, 0, 0);
ErrorHandler.CheckGlError();
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
ErrorHandler.CheckGlError();
}
public void EnableScissor(int left, int top, int width, int height)
{
if (width < 0) width = 0;
if (height < 0) height = 0;
Gl.glScissor(left, windowSize.Height - (top + height), width, height);
ErrorHandler.CheckGlError();
Gl.glEnable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void DisableScissor()
{
Gl.glDisable(Gl.GL_SCISSOR_TEST);
ErrorHandler.CheckGlError();
}
public void SetLineWidth(float width)
{
Gl.glLineWidth(width);
ErrorHandler.CheckGlError();
}
public void Present() { Sdl.SDL_GL_SwapBuffers(); }
public void PumpInput(IInputHandler inputHandler) { input.PumpInput(inputHandler); }
public IVertexBuffer<Vertex> CreateVertexBuffer(int size) { return new VertexBuffer<Vertex>(size); }
public ITexture CreateTexture() { return new Texture(); }
public ITexture CreateTexture(Bitmap bitmap) { return new Texture(bitmap); }
public abstract IShader CreateShader(string name);
}
}