RageDisplay_Null

stepmania/src/Makefile.am

@@ -202,6 +202,7 @@ RageFileDriverZip.cpp RageFileDriverZip.h
 
 Rage = $(Helpers) $(PCRE)\
 RageBitmapTexture.cpp RageBitmapTexture.h RageDisplay.cpp RageDisplay.h RageDisplay_OGL.cpp RageDisplay_OGL.h \
+RageDisplay_Null.cpp RageDisplay_Null.h \
 RageException.cpp RageException.h RageInput.cpp RageInput.h \
 RageInputDevice.cpp RageInputDevice.h RageLog.cpp RageLog.h RageMath.cpp RageMath.h RageModelGeometry.cpp RageModelGeometry.h RageSound.cpp RageSound.h \
 RageSoundManager.cpp RageSoundManager.h RageSoundReader.h RageSoundReader_FileReader.cpp RageSoundReader_FileReader.h \

stepmania/src/RageDisplay_Null.cpp

@@ -0,0 +1,128 @@
+#include "global.h"
+/*
+-----------------------------------------------------------------------------
+ Class: RageDisplay
+
+ Desc: See header.
+
+ Copyright (c) 2004 by the person(s) listed below.  All rights reserved.
+	Chris Danford
+	Glenn Maynard
+-----------------------------------------------------------------------------
+*/
+
+#include "SDL_utils.h"
+#include "RageFile.h"
+
+#include "RageDisplay.h"
+#include "RageDisplay_Null.h"
+#include "RageUtil.h"
+#include "RageLog.h"
+#include "RageTimer.h"
+#include "RageTexture.h"
+#include "RageTextureManager.h"
+#include "RageMath.h"
+#include "RageTypes.h"
+#include "StepMania.h"
+#include "RageUtil.h"
+
+#include <math.h>
+
+static RageDisplay::PixelFormatDesc PIXEL_FORMAT_DESC[RageDisplay::NUM_PIX_FORMATS] = {
+	{
+		/* R8G8B8A8 */
+		32,
+		{ 0xFF000000,
+		  0x00FF0000,
+		  0x0000FF00,
+		  0x000000FF }
+	}, {
+		/* R4G4B4A4 */
+		16,
+		{ 0xF000,
+		  0x0F00,
+		  0x00F0,
+		  0x000F },
+	}, {
+		/* R5G5B5A1 */
+		16,
+		{ 0xF800,
+		  0x07C0,
+		  0x003E,
+		  0x0001 },
+	}, {
+		/* R5G5B5 */
+		16,
+		{ 0xF800,
+		  0x07C0,
+		  0x003E,
+		  0x0000 },
+	}, {
+		/* R8G8B8 */
+		24,
+		{ 0xFF0000,
+		  0x00FF00,
+		  0x0000FF,
+		  0x000000 }
+	}, {
+		/* Paletted */
+		8,
+		{ 0,0,0,0 } /* N/A */
+	}, {
+		/* B8G8R8A8 */
+		24,
+		{ 0x0000FF,
+		  0x00FF00,
+		  0xFF0000,
+		  0x000000 }
+	}, {
+		/* A1B5G5R5 */
+		16,
+		{ 0x7C00,
+		  0x03E0,
+		  0x001F,
+		  0x8000 },
+	}
+};
+
+
+RageDisplay_Null::RageDisplay_Null()
+{
+	LOG->MapLog("renderer", "Current renderer: null");
+}
+
+SDL_Surface* RageDisplay_Null::CreateScreenshot()
+{
+	const PixelFormatDesc &desc = PIXEL_FORMAT_DESC[FMT_RGB8];
+	SDL_Surface *image = SDL_CreateRGBSurfaceSane(
+		SDL_SWSURFACE, 640, 480,
+		desc.bpp, desc.masks[0], desc.masks[1], desc.masks[2], desc.masks[3] );
+
+	memset( image->pixels, 0, 480*image->pitch );
+
+	return image;
+}
+
+const RageDisplay::PixelFormatDesc *RageDisplay_Null::GetPixelFormatDesc(PixelFormat pf) const
+{
+	ASSERT( pf < NUM_PIX_FORMATS );
+	return &PIXEL_FORMAT_DESC[pf];
+}
+
+
+RageMatrix RageDisplay_Null::GetOrthoMatrix( float l, float r, float b, float t, float zn, float zf )
+{
+	RageMatrix m(
+		2/(r-l),      0,            0,           0,
+		0,            2/(t-b),      0,           0,
+		0,            0,            -2/(zf-zn),   0,
+		-(r+l)/(r-l), -(t+b)/(t-b), -(zf+zn)/(zf-zn),  1 );
+	return m;
+}
+
+
+void RageDisplay_Null::EndFrame()
+{
+	ProcessStatsOnFlip();
+}
+	

stepmania/src/RageDisplay_Null.h

@@ -0,0 +1,79 @@
+#ifndef RAGEDISPLAY_NULL_H
+#define RAGEDISPLAY_NULL_H
+
+class RageDisplay_Null: public RageDisplay
+{
+public:
+	RageDisplay_Null();
+	void Update( float fDeltaTime ) { }
+
+	bool IsSoftwareRenderer() { return false; }
+	void ResolutionChanged() { }
+	const PixelFormatDesc *GetPixelFormatDesc(PixelFormat pf) const;
+
+	void BeginFrame() { }
+	void EndFrame();
+	VideoModeParams GetVideoModeParams() const { return m_Params; }
+	void SetBlendMode( BlendMode mode ) { }
+	bool SupportsTextureFormat( PixelFormat pixfmt, bool realtime=false ) { return true; }
+	bool Supports4BitPalettes() { return true; }
+	unsigned CreateTexture( 
+		PixelFormat pixfmt, 
+		SDL_Surface* img,
+		bool bGenerateMipMaps ) { return 1; }
+	void UpdateTexture( 
+		unsigned uTexHandle, 
+		SDL_Surface* img,
+		int xoffset, int yoffset, int width, int height 
+		) { }
+	void DeleteTexture( unsigned uTexHandle ) { }
+	void ClearAllTextures() { }
+	void SetTexture( int iTextureUnitIndex, RageTexture* pTexture ) { }
+	void SetTextureModeModulate() { }
+	void SetTextureModeGlow( GlowMode m=GLOW_WHITEN ) { }
+	void SetTextureModeAdd() { }
+	void SetTextureWrapping( bool b ) { }
+	int GetMaxTextureSize() const { return 2048; }
+	void SetTextureFiltering( bool b) { }
+	bool IsZWriteEnabled() const { return false; }
+	bool IsZTestEnabled() const { return false; }
+	void SetZWrite( bool b ) { }
+	void SetZTest( bool b ) { }
+	void ClearZBuffer() { }
+	void SetCullMode( CullMode mode ) { }
+	void SetAlphaTest( bool b ) { }
+	void SetMaterial( 
+		const RageColor &emissive,
+		const RageColor &ambient,
+		const RageColor &diffuse,
+		const RageColor &specular,
+		float shininess
+		) { }
+	void SetLighting( bool b ) { }
+	void SetLightOff( int index ) { }
+	void SetLightDirectional( 
+		int index, 
+		const RageColor &ambient, 
+		const RageColor &diffuse, 
+		const RageColor &specular, 
+		const RageVector3 &dir ) { }
+
+	void SetSphereEnironmentMapping( bool b ) { }
+
+	void DrawQuads( const RageSpriteVertex v[], int iNumVerts ) { }
+	void DrawFan( const RageSpriteVertex v[], int iNumVerts ) { }
+	void DrawStrip( const RageSpriteVertex v[], int iNumVerts ) { }
+	void DrawTriangles( const RageSpriteVertex v[], int iNumVerts ) { }
+	void DrawIndexedTriangles( const RageModelVertex v[], int iNumVerts, const Uint16* pIndices, int iNumIndices ) { }
+	void DrawLineStrip( const RageSpriteVertex v[], int iNumVerts, float LineWidth ) { }
+
+protected:
+	VideoModeParams m_Params;
+	CString TryVideoMode( VideoModeParams params, bool &bNewDeviceOut ) { m_Params = params; return ""; }
+	SDL_Surface* CreateScreenshot();
+	void SetViewport(int shift_left, int shift_down) { }
+	RageMatrix GetOrthoMatrix( float l, float r, float b, float t, float zn, float zf ); 
+	bool SupportsSurfaceFormat( PixelFormat pixfmt ) { return true; }
+};
+
+#endif

stepmania/src/StepMania.cpp

@@ -351,6 +351,8 @@ static void CheckSettings()
 #include "RageDisplay_OGL.h"
 #endif
 
+#include "RageDisplay_Null.h"
+
 #include "archutils/Win32/VideoDriverInfo.h"
 
 static const CString D3DURL = "http://search.microsoft.com/gomsuri.asp?n=1&c=rp_BestBets&siteid=us&target=http://www.microsoft.com/downloads/details.aspx?FamilyID=a19bed22-0b25-4e5d-a584-6389d8a3dad0&displaylang=en";
@@ -653,6 +655,8 @@ RageDisplay *CreateDisplay()
 			};
 #endif
 		}
+		else if( sRenderer.CompareNoCase("null")==0 )
+			return new RageDisplay_Null();
 		else
 			RageException::Throw("Unknown video renderer value: %s", sRenderer.c_str() );
 	}