Add function to check which pixel program profiles are available on a driver

--HG--
branch : multipass-stereo

code/nel/include/nel/3d/driver.h

@@ -142,6 +142,23 @@ public:
 	  */
 	enum TMatrixCount { MaxModelMatrix= 16 };
 
+	enum TPixelProgramProfile 
+	{ 
+		// direct3d
+		ps_1_1 = 0xD3D00101, 
+		ps_1_2 = 0xD3D00102, 
+		ps_1_3 = 0xD3D00103, 
+		ps_1_4 = 0xD3D00104, 
+		ps_2_0 = 0xD3D00200, 
+		ps_2_x = 0xD3D00201, // not sure...
+		ps_3_0 = 0xD3D00300, 
+
+		// opengl
+		arbfp1 = 0x061A0100, // made up values
+		fp20 = 0x06100200, 
+		fp30 = 0x06100300, 
+		fp40 = 0x06100400, 
+	};
 
 protected:
 
@@ -1016,6 +1033,7 @@ public:
 	  * Does the driver supports pixel programs ?
 	  */
 	virtual bool			isPixelProgramSupported() const =0;
+	virtual bool			isPixelProgramSupported(TPixelProgramProfile profile) const =0;
 
 
 

code/nel/src/3d/driver.cpp

@@ -33,7 +33,7 @@ namespace NL3D
 {
 
 // ***************************************************************************
-const uint32 IDriver::InterfaceVersion = 0x6b; // added anisotropic filter
+const uint32 IDriver::InterfaceVersion = 0x6c; // pixel program interface
 
 // ***************************************************************************
 IDriver::IDriver() : _SyncTexDrvInfos( "IDriver::_SyncTexDrvInfos" )

code/nel/src/3d/driver/direct3d/driver_direct3d.cpp

@@ -1551,14 +1551,15 @@ bool CDriverD3D::setDisplay(nlWindow wnd, const GfxMode& mode, bool show, bool r
 #endif // NL_FORCE_TEXTURE_STAGE_COUNT
 
 	_VertexProgram = !_DisableHardwareVertexProgram && ((caps.VertexShaderVersion&0xffff) >= 0x0100);
-	_PixelProgram = !_DisableHardwarePixelProgram && (caps.PixelShaderVersion&0xffff) >= 0x0101;
+	_PixelProgramVersion = _DisableHardwareVertexProgram ? 0x0000 : caps.PixelShaderVersion & 0xffff;
-	_PixelShader = !_DisableHardwarePixelShader && (caps.PixelShaderVersion&0xffff) >= 0x0101;
+	nldebug("Pixel Program Version: %i.%i", (uint32)((_PixelProgramVersion & 0xFF00) >> 8), (uint32)(_PixelProgramVersion & 0xFF));
+	_PixelProgram = _PixelProgramVersion >= 0x0101;
 	_MaxVerticesByVertexBufferHard = caps.MaxVertexIndex;
 	_MaxLight = caps.MaxActiveLights;
 
 	if(_MaxLight > 0xFF) _MaxLight = 3;
 
-	if (_PixelShader)
+	if (_PixelProgram)
 	{
 		_MaxNumPerStageConstantLighted = _NbNeLTextureStages;
 		_MaxNumPerStageConstantUnlighted = _NbNeLTextureStages;
@@ -3626,7 +3627,7 @@ void CDriverD3D::CVertexProgramPtrState::apply(CDriverD3D *driver)
 void CDriverD3D::CPixelShaderPtrState::apply(CDriverD3D *driver)
 {
 	H_AUTO_D3D(CDriverD3D_CPixelShaderPtrState);
-	if (!driver->supportPixelShaders()) return;
+	if (!driver->isPixelProgramSupported()) return;
 	driver->_DeviceInterface->SetPixelShader(PixelShader);
 }
 

code/nel/src/3d/driver/direct3d/driver_direct3d.h

@@ -1008,6 +1008,7 @@ public:
 	// Vertex program
 	virtual bool			isVertexProgramSupported () const;
 	virtual bool			isPixelProgramSupported () const;
+	virtual bool			isPixelProgramSupported (TPixelProgramProfile profile) const;
 	virtual bool			isVertexProgramEmulated () const;
 	virtual bool			activeVertexProgram (CVertexProgram *program);
 	virtual bool			activePixelProgram (CPixelProgram *program);
@@ -1065,8 +1066,6 @@ public:
 
 	uint32					getMaxVertexIndex() const { return _MaxVertexIndex; }
 
-	bool					supportPixelShaders() const { return _PixelShader; }
-
 		// *** Inline info
 	uint					inlGetNumTextStages() const { return _NbNeLTextureStages; }
 
@@ -2232,7 +2231,7 @@ private:
 	bool					_TextureCubeSupported;
 	bool					_VertexProgram;
 	bool					_PixelProgram;
-	bool					_PixelShader;
+	uint16					_PixelProgramVersion;
 	bool					_DisableHardwareVertexProgram;
 	bool					_DisableHardwarePixelProgram;
 	bool					_DisableHardwareVertexArrayAGP;

code/nel/src/3d/driver/direct3d/driver_direct3d_material.cpp

@@ -567,7 +567,7 @@ bool CDriverD3D::setupMaterial(CMaterial &mat)
 								normalShaderDesc.TexEnvMode[stage] = mat.getTexEnvMode(uint8(stage));
 							}
 
-							if (_PixelShader)
+							if (_PixelProgram)
 							{
 								#ifdef NL_DEBUG_D3D
 									// Check, should not occured
@@ -933,7 +933,7 @@ bool CDriverD3D::setupMaterial(CMaterial &mat)
 				activeShader (NULL);
 
 				/* If unlighted trick is needed, set the shader later */
-				if (!pShader->NeedsConstantForDiffuse && _PixelShader)
+				if (!pShader->NeedsConstantForDiffuse && _PixelProgram)
 					setPixelShader (pShader->PixelShader);
 			}
 			break;
@@ -2019,7 +2019,7 @@ void CDriverD3D::endMaterialMultiPass()
 bool CDriverD3D::supportCloudRenderSinglePass () const
 {
 	H_AUTO_D3D(CDriver3D_supportCloudRenderSinglePass);
-	return _PixelShader;
+	return _PixelProgram;
 }
 
 // ***************************************************************************

code/nel/src/3d/driver/direct3d/driver_direct3d_pixel_program.cpp

@@ -60,6 +60,13 @@ bool CDriverD3D::isPixelProgramSupported () const
 	return _PixelProgram;
 }
 
+bool CDriverD3D::isPixelProgramSupported (TPixelProgramProfile profile) const
+{
+	H_AUTO_D3D(CDriverD3D_isPixelProgramSupported_profile)
+	return ((profile & 0xFFFF0000) == 0xD3D00000)
+		&& (_PixelProgramVersion >= (uint16)(profile & 0x0000FFFF));
+}
+
 // ***************************************************************************
 
 bool CDriverD3D::activePixelProgram(CPixelProgram *program)

code/nel/src/3d/driver/opengl/driver_opengl.h

@@ -1305,6 +1305,7 @@ private:
 
 	bool			isVertexProgramSupported () const;
 	bool			isPixelProgramSupported () const;
+	bool			isPixelProgramSupported (TPixelProgramProfile profile) const;
 	bool			isVertexProgramEmulated () const;
 	bool			activeVertexProgram (CVertexProgram *program);
 	bool			activePixelProgram (CPixelProgram *program);

code/nel/src/3d/driver/opengl/driver_opengl_pixel_program.cpp

@@ -62,6 +62,11 @@ bool CDriverGL::isPixelProgramSupported () const
 	H_AUTO_OGL(CPixelProgamDrvInfosGL_isPixelProgramSupported)
 	return _Extensions.ARBFragmentProgram;
 }
+bool CDriverGL::isPixelProgramSupported(TPixelProgramProfile profile) const
+{
+	H_AUTO_OGL(CPixelProgamDrvInfosGL_isPixelProgramSupported_profile)
+	return profile == arbfp1 && _Extensions.ARBFragmentProgram;
+}
 
 // ***************************************************************************
 bool CDriverGL::activePixelProgram(CPixelProgram *program)

code/snowballs2/client/src/commands.cpp

@@ -246,7 +246,7 @@ void cbUpdateCommands (CConfigFile::CVar &var)
 
 #if SBCLIENT_DEV_PIXEL_PROGRAM
 namespace {
-CPixelProgram *a_DevPixelProgram;
+CPixelProgram *a_DevPixelProgram = NULL;
 }
 #endif
 
@@ -294,16 +294,20 @@ void	initCommands()
 
 #if SBCLIENT_DEV_PIXEL_PROGRAM
 	CommandsMaterial.getObjectPtr()->setShader(NL3D::CMaterial::PostProcessing);
-	static const char *program_arbfp10 =
+	static const char *program_arbfp1 =
 		"!!ARBfp1.0\n"
 		"PARAM red = {1.0, 0.0, 0.0, 1.0};\n"
 		"MOV result.color, red;\n"
 		"END\n";
-	static const char *program_ps10 =
+	static const char *program_ps_1_1 =
 		"ps.1.1\n"
 		"def c0, 1.0, 0.0, 0.0, 1.0\n"
 		"mov r0, c0\n";
-	a_DevPixelProgram = new CPixelProgram(program_ps10);
+	NL3D::IDriver *d = dynamic_cast<NL3D::CDriverUser *>(Driver)->getDriver();
+	if (d->isPixelProgramSupported(IDriver::arbfp1))
+		a_DevPixelProgram = new CPixelProgram(program_arbfp1);
+	if (d->isPixelProgramSupported(IDriver::ps_1_1))
+		a_DevPixelProgram = new CPixelProgram(program_ps_1_1);
 #endif
 }