C++ qglDrawBuffer函数代码示例

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本文整理汇总了C++中qglDrawBuffer函数的典型用法代码示例。如果您正苦于以下问题：C++ qglDrawBuffer函数的具体用法？C++ qglDrawBuffer怎么用？C++ qglDrawBuffer使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了qglDrawBuffer函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: GLimp_BeginFrame

/*
** GLimp_BeginFrame
*/
void GLimp_BeginFrame( float camera_separation )
{
	if ( gl_bitdepth->modified )
	{
		if ( gl_bitdepth->value != 0 && !glw_state.allowdisplaydepthchange )
		{
			ri.Cvar_SetValue( "gl_bitdepth", 0 );
			ri.Con_Printf( PRINT_ALL, "gl_bitdepth requires Win95 OSR2.x or WinNT 4.x\n" );
		}
		gl_bitdepth->modified = false;
	}

	if ( camera_separation < 0 && gl_state.stereo_enabled )
	{
		qglDrawBuffer( GL_BACK_LEFT );
	}
	else if ( camera_separation > 0 && gl_state.stereo_enabled )
	{
		qglDrawBuffer( GL_BACK_RIGHT );
	}
	else
	{
		qglDrawBuffer( GL_BACK );
	}
}

开发者ID:AJenbo，项目名称:Quake-2，代码行数:28，代码来源:glw_imp.c

示例2: GLimp_BeginFrame

/*
** GLimp_BeginFrame
*/
void GLimp_BeginFrame( void )
{
	if( r_colorbits->modified )
	{
		if( r_colorbits->integer != 0 && !glw_state.allowdisplaydepthchange )
		{
			Cvar_SetValue( "r_colorbits", 0 );
			Com_Printf( "r_colorbits requires Win95 OSR2.x or WinNT 4.x\n" );
		}
		r_colorbits->modified = qfalse;
	}

	if( glState.cameraSeparation < 0 && glState.stereoEnabled )
	{
		qglDrawBuffer( GL_BACK_LEFT );
	}
	else if( glState.cameraSeparation > 0 && glState.stereoEnabled )
	{
		qglDrawBuffer( GL_BACK_RIGHT );
	}
	else
	{
		qglDrawBuffer( GL_BACK );
	}
}

开发者ID:Racenet，项目名称:racesow，代码行数:28，代码来源:win_glw.c

示例3: GetWindowRect

void CCamWnd::BenchMark()
{
	PAINTSTRUCT	ps;
  CRect rct;
  GetWindowRect(rct);
  long lStyle = ::GetWindowLong(GetSafeHwnd(), GWL_STYLE);
  ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, QE3_CHILDSTYLE);
  CWnd* pParent = GetParent();
  SetParent(g_pParentWnd);
  MoveWindow(CRect(30, 30, 400, 400), TRUE);

  BeginPaint(&ps);
  if (!qwglMakeCurrent(ps.hdc, g_qeglobals.d_hglrcBase))
		Error ("wglMakeCurrent failed in Benchmark");
  
	qglDrawBuffer (GL_FRONT);
	double dStart = Sys_DoubleTime ();
	for (int i=0 ; i < 100 ; i++)
	{
		m_Camera.angles[YAW] = i*4;
		Cam_Draw();
	}
	qwglSwapBuffers(ps.hdc);
	qglDrawBuffer (GL_BACK);
	double dEnd = Sys_DoubleTime ();
	EndPaint(&ps);
	Sys_Printf ("%5.2f seconds\n", dEnd - dStart);
  ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, lStyle);
  SetParent(pParent);
  MoveWindow(rct, TRUE);
}

开发者ID:AHPlankton，项目名称:Quake-III-Arena，代码行数:31，代码来源:CamWnd.cpp

示例4: GL_SetDefaultState

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	// the vertex array is always enabled, but the color and texture
	// arrays are enabled and disabled around the compiled vertex array call
	qglEnableClientState (GL_VERTEX_ARRAY);

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );

	qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
	qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
	qglClearDepth( 1.0 );

	qglDrawBuffer( GL_FRONT );
#ifdef IOS
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#else
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#endif
	qglDrawBuffer( GL_BACK );
#ifdef IOS
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#else
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
#endif
}

开发者ID:kboxsoft，项目名称:ioq3-ios，代码行数:61，代码来源:tr_init.c

示例5: GL_SetDefaultState

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	//qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

	glState.vertexAttribsState = 0;
	glState.vertexAttribPointersSet = 0;
	glState.currentProgram = 0;
	qglUseProgramObjectARB(0);

	qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
	qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
	glState.currentVBO = NULL;
	glState.currentIBO = NULL;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );

	qglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
	qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
	qglClearDepth( 1.0 );

	qglDrawBuffer( GL_FRONT );
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );

	qglDrawBuffer( GL_BACK );
	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
}

开发者ID:lrq3000，项目名称:openarena_engine，代码行数:60，代码来源:tr_init.c

示例6: GLimp_BeginFrame

/*
** GLimp_BeginFrame
*/
void GLimp_BeginFrame( float camera_separation )
{
    if (gl_state.stereo_enabled && camera_separation < 0)
        qglDrawBuffer( GL_BACK_LEFT );
    else if (gl_state.stereo_enabled && camera_separation > 0)
        qglDrawBuffer( GL_BACK_RIGHT );
    else
        qglDrawBuffer( GL_BACK );
}

开发者ID:q3aql，项目名称:quake2，代码行数:12，代码来源:glw_imp.c

示例7: GLimp_BeginFrame

/*
** GLimp_BeginFrame
*/
void GLimp_BeginFrame( void )
{
	if( glState.cameraSeparation < 0 && glState.stereoEnabled )
	{
		qglDrawBuffer( GL_BACK_LEFT );
	}
	else if( glState.cameraSeparation > 0 && glState.stereoEnabled )
	{
		qglDrawBuffer( GL_BACK_RIGHT );
	}
	else
	{
		qglDrawBuffer( GL_BACK );
	}
}

开发者ID:hettoo，项目名称:racesow，代码行数:18，代码来源:win_glw.c

示例8: RB_SetBuffer

/*
=============
RB_SetBuffer

=============
*/
static void	RB_SetBuffer( const void *data ) {
	const setBufferCommand_t	*cmd;

	// see which draw buffer we want to render the frame to

	cmd = (const setBufferCommand_t *)data;

	backEnd.frameCount = cmd->frameCount;

	qglDrawBuffer( cmd->buffer );

	// clear screen for debugging
	// automatically enable this with several other debug tools
	// that might leave unrendered portions of the screen
	if ( r_clear.GetFloat() || idStr::Length( r_clear.GetString() ) != 1 || r_lockSurfaces.GetBool() || r_singleArea.GetBool() || r_showOverDraw.GetBool() ) {
		float c[3];
		if ( sscanf( r_clear.GetString(), "%f %f %f", &c[0], &c[1], &c[2] ) == 3 ) {
			qglClearColor( c[0], c[1], c[2], 1 );
		} else if ( r_clear.GetInteger() == 2 ) {
			qglClearColor( 0.0f, 0.0f,  0.0f, 1.0f );
		} else if ( r_showOverDraw.GetBool() ) {
			qglClearColor( 1.0f, 1.0f, 1.0f, 1.0f );
		} else {
			qglClearColor( 0.4f, 0.0f, 0.25f, 1.0f );
		}
		qglClear( GL_COLOR_BUFFER_BIT );
	}
}

开发者ID:albertz，项目名称:iodoom3，代码行数:34，代码来源:tr_backend.cpp

示例9: GLRB_SetDrawBuffer

void GLRB_SetDrawBuffer( int buffer )
{
    switch (buffer)
    {
    case DRAW_BUFFER_BACK:
        qglDrawBuffer( GL_BACK );
        break;
    case DRAW_BUFFER_FRONT:
        qglDrawBuffer( GL_FRONT );
        break;
    case DRAW_BUFFER_BACK_LEFT:
        qglDrawBuffer( GL_BACK_LEFT );
        break;
    case DRAW_BUFFER_BACK_RIGHT:
        qglDrawBuffer( GL_BACK_RIGHT );
        break;
    }
}

开发者ID:Avatarchik，项目名称:Quake-III-Arena-D3D11，代码行数:18，代码来源:gl_driver.c

示例10: RB_DrawBuffer

/*
=============
RB_DrawBuffer

=============
*/
static void RB_DrawBuffer( const void *data ) {
	const drawBufferCommand_t	*cmd;

	cmd = (const drawBufferCommand_t *)data;

	qglDrawBuffer( cmd->buffer );

	R_FrameBuffer_StartFrame();

	// clear screen for debugging
	if ( r_clear->integer ) {
		qglClearColor( 1, 0, 0.5, 1 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}
}

开发者ID:entdark，项目名称:q3mme，代码行数:21，代码来源:tr_backend.c

示例11: qglDrawBuffer

/*
=============
RB_DrawBuffer

=============
*/
const void	*RB_DrawBuffer( const void *data ) {
	const drawBufferCommand_t	*cmd;

	cmd = (const drawBufferCommand_t *)data;

	qglDrawBuffer( cmd->buffer );

	// clear screen for debugging
	if ( r_clear->integer ) {
		qglClearColor( 1, 0, 0.5, 1 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}

	return (const void *)(cmd + 1);
}

开发者ID:asvo，项目名称:quake3.gpl.old，代码行数:21，代码来源:tr_backend.c

示例12: RFB_AttachTextureToObject

/*
* RFB_AttachTextureToObject
*/
void RFB_AttachTextureToObject( int object, image_t *texture )
{
	r_fbo_t *fbo;
	int attachment;

	assert( object > 0 && object <= r_num_framebuffer_objects );
	if( object <= 0 || object > r_num_framebuffer_objects ) {
		return;
	}

	assert( texture != NULL );
	if( !texture ) {
		return;
	}

	fbo = r_framebuffer_objects + object - 1;
	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, fbo->objectID );

	if( texture->flags & IT_DEPTH ) {
		attachment = GL_DEPTH_ATTACHMENT_EXT;
		fbo->depthTexture = texture;
	} else {
		attachment = GL_COLOR_ATTACHMENT0_EXT;
		fbo->colorTexture = texture;
#ifndef GL_ES_VERSION_2_0
		qglDrawBuffer( GL_COLOR_ATTACHMENT0_EXT );
		qglReadBuffer( GL_COLOR_ATTACHMENT0_EXT );
#endif
	}
	texture->fbo = object;

	// attach texture
	qglFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, texture->texnum, 0 );
	if( ( texture->flags & ( IT_DEPTH|IT_STENCIL ) ) == ( IT_DEPTH|IT_STENCIL ) ) {
		qglFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_TEXTURE_2D, texture->texnum, 0 );
	}

	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, r_bound_framebuffer_objectID ? r_bound_framebuffer_object->objectID : 0 );
}

开发者ID:Clever-Boy，项目名称:qfusion，代码行数:42，代码来源:r_framebuffer.c

示例13: qglDrawBuffer

/*
=============
RB_DrawBuffer

=============
*/
const void	*RB_DrawBuffer( const void *data ) {
	const drawBufferCommand_t	*cmd;

	cmd = (const drawBufferCommand_t *)data;

	qglDrawBuffer( cmd->buffer );

	// clear screen for debugging
	if (tr.world && tr.world->globalFog != -1)
	{
		unsigned	i = tr.world->fogs[tr.world->globalFog].colorInt;

		qglClearColor( ( (byte *)&i )[0] / 255.0, ( (byte *)&i )[1] / 255.0, ( (byte *)&i )[2] / 255.0,  1.0 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}
	else if ( r_clear->integer ) {
		qglClearColor( 1, 0, 0.5, 1 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}

	return (const void *)(cmd + 1);
}

开发者ID:Boothand，项目名称:jk2mp，代码行数:28，代码来源:tr_backend.cpp

示例14: RB_EndSurface

/*
=============
RB_DrawBuffer

=============
*/
const void	*RB_DrawBuffer( const void *data ) {
	const drawBufferCommand_t	*cmd;

	cmd = (const drawBufferCommand_t *)data;

	// finish any 2D drawing if needed
	if(tess.numIndexes)
		RB_EndSurface();

	if (glRefConfig.framebufferObject)
		FBO_Bind(NULL);

	qglDrawBuffer( cmd->buffer );

	// clear screen for debugging
	if ( r_clear->integer ) {
		qglClearColor( 1, 0, 0.5, 1 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}

	return (const void *)(cmd + 1);
}

开发者ID:Thehsvdude，项目名称:ioq3，代码行数:28，代码来源:tr_backend.c

示例15: RE_BeginFrame


//.........这里部分代码省略.........
		R_IssuePendingRenderCommands();
		R_SetColorMappings();
	}

	// check for errors
	if ( !r_ignoreGLErrors->integer ) {
		int err;

		R_IssuePendingRenderCommands();
		if ( ( err = qglGetError() ) != GL_NO_ERROR ) {
			ri.Error( ERR_FATAL, "RE_BeginFrame() - glGetError() failed (0x%x)!", err );
		}
	}

	if (glConfig.stereoEnabled) {
		if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
			return;
			
		cmd->commandId = RC_DRAW_BUFFER;
		
		if ( stereoFrame == STEREO_LEFT ) {
			cmd->buffer = (int)GL_BACK_LEFT;
		} else if ( stereoFrame == STEREO_RIGHT ) {
			cmd->buffer = (int)GL_BACK_RIGHT;
		} else {
			ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );
		}
	}
	else
	{
		if(r_anaglyphMode->integer)
		{
			if(r_anaglyphMode->modified)
			{
				// clear both, front and backbuffer.
				qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
				qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);

				qglDrawBuffer(GL_FRONT);
				qglClear(GL_COLOR_BUFFER_BIT);
				qglDrawBuffer(GL_BACK);
				qglClear(GL_COLOR_BUFFER_BIT);
				
				r_anaglyphMode->modified = qfalse;
			}
			
			if(stereoFrame == STEREO_LEFT)
			{
				if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
					return;
				
				if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
					return;
			}
			else if(stereoFrame == STEREO_RIGHT)
			{
				clearDepthCommand_t *cldcmd;
				
				if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
					return;

				cldcmd->commandId = RC_CLEARDEPTH;

				if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
					return;
			}
			else
				ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );

			R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
			colcmd->commandId = RC_COLORMASK;
		}
		else
		{
			if(stereoFrame != STEREO_CENTER)
				ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );

			if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
				return;
		}

		if(cmd)
		{
			cmd->commandId = RC_DRAW_BUFFER;

			if(r_anaglyphMode->modified)
			{
				qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
				r_anaglyphMode->modified = qfalse;
			}

			if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
				cmd->buffer = (int)GL_FRONT;
			else
				cmd->buffer = (int)GL_BACK;
		}
	}
	
	tr.refdef.stereoFrame = stereoFrame;
}

开发者ID:MAN-AT-ARMS，项目名称:iortcw-archive，代码行数:101，代码来源:tr_cmds.c

示例16: RE_BeginFrame


//.........这里部分代码省略.........
		}
	}
	else
	{
		if(r_anaglyphMode->integer)
		{
			if(r_anaglyphMode->modified)
			{
				// clear both, front and backbuffer.
				qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
				backEnd.colorMask[0] = GL_FALSE;
				backEnd.colorMask[1] = GL_FALSE;
				backEnd.colorMask[2] = GL_FALSE;
				backEnd.colorMask[3] = GL_FALSE;
				qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
								
				if (glRefConfig.framebufferObject)
				{
					// clear all framebuffers
					if (tr.msaaResolveFbo)
					{
						FBO_Bind(tr.msaaResolveFbo);
						qglClear(GL_COLOR_BUFFER_BIT);
					}

					if (tr.renderFbo)
					{
						FBO_Bind(tr.renderFbo);
						qglClear(GL_COLOR_BUFFER_BIT);
					}

					FBO_Bind(NULL);
				}

				qglDrawBuffer(GL_FRONT);
				qglClear(GL_COLOR_BUFFER_BIT);
				qglDrawBuffer(GL_BACK);
				qglClear(GL_COLOR_BUFFER_BIT);

				r_anaglyphMode->modified = qfalse;
			}
			
			if(stereoFrame == STEREO_LEFT)
			{
				if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
					return;
				
				if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
					return;
			}
			else if(stereoFrame == STEREO_RIGHT)
			{
				clearDepthCommand_t *cldcmd;
				
				if( !(cldcmd = R_GetCommandBuffer(sizeof(*cldcmd))) )
					return;

				cldcmd->commandId = RC_CLEARDEPTH;

				if( !(colcmd = R_GetCommandBuffer(sizeof(*colcmd))) )
					return;
			}
			else
				ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is enabled, but stereoFrame was %i", stereoFrame );

			R_SetColorMode(colcmd->rgba, stereoFrame, r_anaglyphMode->integer);
			colcmd->commandId = RC_COLORMASK;
		}
		else
		{
			if(stereoFrame != STEREO_CENTER)
				ri.Error( ERR_FATAL, "RE_BeginFrame: Stereo is disabled, but stereoFrame was %i", stereoFrame );

			if( !(cmd = R_GetCommandBuffer(sizeof(*cmd))) )
				return;
		}

		if(cmd)
		{
			cmd->commandId = RC_DRAW_BUFFER;

			if(r_anaglyphMode->modified)
			{
				qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
				backEnd.colorMask[0] = 0;
				backEnd.colorMask[1] = 0;
				backEnd.colorMask[2] = 0;
				backEnd.colorMask[3] = 0;
				r_anaglyphMode->modified = qfalse;
			}

			if (!Q_stricmp(r_drawBuffer->string, "GL_FRONT"))
				cmd->buffer = (int)GL_FRONT;
			else
				cmd->buffer = (int)GL_BACK;
		}
	}
	
	tr.refdef.stereoFrame = stereoFrame;
}

开发者ID:mecwerks，项目名称:spearmint-ios，代码行数:101，代码来源:tr_cmds.c

示例17: RFB_RegisterObject

/*
* RFB_RegisterObject
*/
int RFB_RegisterObject( int width, int height, bool builtin, bool depthRB, bool stencilRB )
{
	int i;
	GLuint fbID;
	GLuint rbID;
	r_fbo_t *fbo;

	if( !r_frambuffer_objects_initialized )
		return 0;

	for( i = 0, fbo = r_framebuffer_objects; i < r_num_framebuffer_objects; i++, fbo++ ) {
		if( !fbo->objectID ) {
			// free slot
			goto found;
		}
	}

	if( i == MAX_FRAMEBUFFER_OBJECTS )
	{
		Com_Printf( S_COLOR_YELLOW "RFB_RegisterObject: framebuffer objects limit exceeded\n" );
		return 0;
	}

	i = r_num_framebuffer_objects++;
	fbo = r_framebuffer_objects + i;

found:
	qglGenFramebuffersEXT( 1, &fbID );
	memset( fbo, 0, sizeof( *fbo ) );
	fbo->objectID = fbID;
	if( builtin )
		fbo->registrationSequence = -1;
	else
		fbo->registrationSequence = rsh.registrationSequence;
	fbo->width = width;
	fbo->height = height;

	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, fbo->objectID );

#ifndef GL_ES_VERSION_2_0
	// until a color texture is attached, don't enable drawing to the buffer
	qglDrawBuffer( GL_NONE );
	qglReadBuffer( GL_NONE );
#endif

	if( depthRB )
	{
		int format;

		qglGenRenderbuffersEXT( 1, &rbID );
		fbo->depthRenderBuffer = rbID;
		qglBindRenderbufferEXT( GL_RENDERBUFFER_EXT, rbID );

		if( stencilRB )
			format = GL_DEPTH24_STENCIL8_EXT;
		else if( glConfig.ext.depth24 )
			format = GL_DEPTH_COMPONENT24;
		else if( glConfig.ext.depth_nonlinear )
			format = GL_DEPTH_COMPONENT16_NONLINEAR_NV;
		else
			format = GL_DEPTH_COMPONENT16;
		qglRenderbufferStorageEXT( GL_RENDERBUFFER_EXT, format, width, height );

		qglFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, rbID );
		if( stencilRB )
			qglFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, rbID );

		qglBindRenderbufferEXT( GL_RENDERBUFFER_EXT, 0 );	
	}

	if( r_bound_framebuffer_objectID )
		qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, r_bound_framebuffer_object->objectID );
	else
		qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, 0 );

	return i+1;
}

开发者ID:Clever-Boy，项目名称:qfusion，代码行数:80，代码来源:r_framebuffer.c

示例18: qglDrawBuffer

/*
=============
RB_DrawBuffer

=============
*/
const void	*RB_DrawBuffer( const void *data ) {
	const drawBufferCommand_t	*cmd;

	cmd = (const drawBufferCommand_t *)data;

	qglDrawBuffer( cmd->buffer );

		// clear screen for debugging
	if (tr.world && tr.refdef.doLAGoggles)
	{
		fog_t		*fog = &tr.world->fogs[tr.world->numfogs];

		qglClearColor(fog->parms.color[0],  fog->parms.color[1], fog->parms.color[2], 1.0f );
		qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	}
	else if (tr.world && tr.world->globalFog != -1)
	{
		const unsigned int i = tr.world->fogs[tr.world->globalFog].colorInt;

		qglClearColor( ( (byte *)&i )[0] / 255.0, ( (byte *)&i )[1] / 255.0, ( (byte *)&i )[2] / 255.0,  1.0 );
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}
	else if ( r_clear->integer ) 
	{	// clear screen for debugging
		int i = r_clear->integer;
		if (i == 42) {
			i = Q_irand(0,8);
		}
		switch (i)
		{
		default:
			qglClearColor( 1, 0, 0.5, 1 );
			break;
		case 1:
			qglClearColor( 1.0, 0.0, 0.0, 1.0); //red
			break;
		case 2:
			qglClearColor( 0.0, 1.0, 0.0, 1.0); //green
			break;
		case 3:
			qglClearColor( 1.0, 1.0, 0.0, 1.0); //yellow
			break;
		case 4:
			qglClearColor( 0.0, 0.0, 1.0, 1.0); //blue
			break;
		case 5:
			qglClearColor( 0.0, 1.0, 1.0, 1.0); //cyan
			break;
		case 6:
			qglClearColor( 1.0, 0.0, 1.0, 1.0); //magenta
			break;
		case 7:
			qglClearColor( 1.0, 1.0, 1.0, 1.0); //white
			break;
		case 8:
			qglClearColor( 0.0, 0.0, 0.0, 1.0); //black
			break;
		}		
		qglClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	}

	return (const void *)(cmd + 1);
}

开发者ID:CairnTrenor，项目名称:OpenJK，代码行数:69，代码来源:tr_backend.cpp

示例19: RFB_AttachTextureToObject

/*
* RFB_AttachTextureToObject
*/
bool RFB_AttachTextureToObject( int object, bool depth, int target, image_t *texture ) {
	r_fbo_t *fbo;
	int attachment;
	GLuint texnum = 0;

	assert( object > 0 && object <= r_num_framebuffer_objects );
	if( object <= 0 || object > r_num_framebuffer_objects ) {
		return false;
	}

	if( target < 0 || target >= MAX_FRAMEBUFFER_COLOR_ATTACHMENTS ) {
		return false;
	}
	if( target > 0 && !glConfig.ext.draw_buffers ) {
		return false;
	}

	fbo = r_framebuffer_objects + object - 1;
	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, fbo->objectID );

bind:
	if( depth ) {
		attachment = GL_DEPTH_ATTACHMENT_EXT;

		if( texture ) {
			assert( texture->flags & IT_DEPTH );
			texnum = texture->texnum;
			texture->fbo = object;
		}
	} else {
#ifndef GL_ES_VERSION_2_0
		const GLenum fboBuffers[8] = {
			GL_COLOR_ATTACHMENT0_EXT,
			GL_COLOR_ATTACHMENT1_EXT,
			GL_COLOR_ATTACHMENT2_EXT,
			GL_COLOR_ATTACHMENT3_EXT,
			GL_COLOR_ATTACHMENT4_EXT,
			GL_COLOR_ATTACHMENT5_EXT,
			GL_COLOR_ATTACHMENT6_EXT,
			GL_COLOR_ATTACHMENT7_EXT,
		};
#endif

		attachment = GL_COLOR_ATTACHMENT0_EXT + target;

#ifndef GL_ES_VERSION_2_0
		if( target > 0 && texture ) {
			qglDrawBuffersARB( target + 1, fboBuffers );
		} else {
			if( glConfig.ext.draw_buffers ) {
				qglDrawBuffersARB( 0, fboBuffers );
			}
			qglDrawBuffer( GL_COLOR_ATTACHMENT0_EXT );
			qglReadBuffer( GL_COLOR_ATTACHMENT0_EXT );
		}
#endif

		if( texture ) {
			assert( !( texture->flags & IT_DEPTH ) );
			texnum = texture->texnum;
			texture->fbo = object;
		}
	}

	// attach texture
	qglFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, texnum, 0 );
	if( texture ) {
		if( ( texture->flags & ( IT_DEPTH | IT_STENCIL ) ) == ( IT_DEPTH | IT_STENCIL ) ) {
			qglFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_TEXTURE_2D, texnum, 0 );
		}
	}
	else {
		if( depth ) {
			qglFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_TEXTURE_2D, texnum, 0 );
		}
	}
	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, r_bound_framebuffer_objectID ? r_bound_framebuffer_object->objectID : 0 );

	// check framebuffer status and unbind if failed
	if( !RFB_CheckObjectStatus() ) {
		if( texture ) {
			texture = NULL;
			goto bind;
		}
		return false;
	}

	if( depth ) {
		fbo->depthTexture = texture;
	} else {
		fbo->colorTexture[target] = texture;
	}
	return true;
}

开发者ID:adem4ik，项目名称:qfusion，代码行数:97，代码来源:r_framebuffer.c

示例20: RFB_BlitObject

/*
* RFB_BlitObject
*
* The target FBO must be equal or greater in both dimentions than
* the currently bound FBO!
*/
void RFB_BlitObject( int src, int dest, int bitMask, int mode, int filter, int readAtt, int drawAtt ) {
	int bits;
	int destObj;
	int dx, dy, dw, dh;
	r_fbo_t scrfbo;
	r_fbo_t *fbo;
	r_fbo_t *destfbo;

	if( !glConfig.ext.framebuffer_blit ) {
		return;
	}

	assert( src >= 0 && src <= r_num_framebuffer_objects );
	if( src < 0 || src > r_num_framebuffer_objects ) {
		return;
	}

	if( src == 0 ) {
		fbo = &scrfbo;
	} else {
		fbo = r_framebuffer_objects + src - 1;
	}

	assert( dest >= 0 && dest <= r_num_framebuffer_objects );
	if( dest < 0 || dest > r_num_framebuffer_objects ) {
		return;
	}

	if( dest ) {
		destfbo = r_framebuffer_objects + dest - 1;
	} else {
		destfbo = NULL;
	}

	bits = bitMask;
	if( !bits ) {
		return;
	}

	RB_ApplyScissor();

	if( src == 0 ) {
		memset( fbo, 0, sizeof( *fbo ) );
		fbo->width = glConfig.width;
		fbo->height = glConfig.height;
	}

	if( destfbo ) {
		dw = destfbo->width;
		dh = destfbo->height;
		destObj = destfbo->objectID;
	} else {
		dw = glConfig.width;
		dh = glConfig.height;
		destObj = 0;
	}

	switch( mode ) {
		case FBO_COPY_CENTREPOS:
			dx = ( dw - fbo->width ) / 2;
			dy = ( dh - fbo->height ) / 2;
			dw = fbo->width;
			dh = fbo->height;
			break;
		case FBO_COPY_INVERT_Y:
			dx = 0;
			dy = dh - fbo->height;
			dw = fbo->width;
			dh = fbo->height;
			break;
		case FBO_COPY_NORMAL_DST_SIZE:
			dx = 0;
			dy = 0;
			//dw = dw;
			//dh = dh;
			break;
		default:
			dx = 0;
			dy = 0;
			dw = fbo->width;
			dh = fbo->height;
			break;
	}

	qglBindFramebufferEXT( GL_FRAMEBUFFER_EXT, 0 );
	qglBindFramebufferEXT( GL_READ_FRAMEBUFFER_EXT, fbo->objectID );
	qglBindFramebufferEXT( GL_DRAW_FRAMEBUFFER_EXT, destObj );

#ifndef GL_ES_VERSION_2_0
	if( src == 0 ) {
		qglReadBuffer( GL_BACK );
		qglDrawBuffer( GL_COLOR_ATTACHMENT0_EXT + drawAtt );
	} else {
		qglReadBuffer( GL_COLOR_ATTACHMENT0_EXT + readAtt );
//.........这里部分代码省略.........

开发者ID:adem4ik，项目名称:qfusion，代码行数:101，代码来源:r_framebuffer.c

注：本文中的qglDrawBuffer函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ qglDrawBuffer函数代码示例

示例1: GLimp_BeginFrame

示例2: GLimp_BeginFrame

示例3: GetWindowRect

示例4: GL_SetDefaultState

示例5: GL_SetDefaultState

示例6: GLimp_BeginFrame

示例7: GLimp_BeginFrame

示例8: RB_SetBuffer

示例9: GLRB_SetDrawBuffer

示例10: RB_DrawBuffer

示例11: qglDrawBuffer

示例12: RFB_AttachTextureToObject

示例13: qglDrawBuffer

示例14: RB_EndSurface

示例15: RE_BeginFrame

示例16: RE_BeginFrame

示例17: RFB_RegisterObject

示例18: qglDrawBuffer

示例19: RFB_AttachTextureToObject

示例20: RFB_BlitObject

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