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C++ PADP函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中PADP函数的典型用法代码示例。如果您正苦于以下问题：C++ PADP函数的具体用法？C++ PADP怎么用？C++ PADP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PADP函数的11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: of

/*
==================
RB_ReadPixels

Reads an image but takes care of alignment issues for reading RGB images.
Prepends the specified number of (uninitialized) bytes to the buffer.

The returned buffer must be freed with ri.Hunk_FreeTempMemory().
==================
*/
static byte *RB_ReadPixels( int x, int y, int width, int height, size_t offset )
{
	GLint packAlign;
	int   lineLen, paddedLineLen;
	byte  *buffer, *pixels;
	int   i;

	glGetIntegerv( GL_PACK_ALIGNMENT, &packAlign );

	lineLen = width * 3;
	paddedLineLen = PAD( lineLen, packAlign );

	// Allocate a few more bytes so that we can choose an alignment we like
	buffer = ( byte * ) ri.Hunk_AllocateTempMemory( offset + paddedLineLen * height + packAlign - 1 );

	pixels = ( byte * ) PADP( buffer + offset, packAlign );
	glReadPixels( x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels );

	// Drop alignment and line padding bytes
	for ( i = 0; i < height; ++i )
	{
		memmove( buffer + offset + i * lineLen, pixels + i * paddedLineLen, lineLen );
	}

	return buffer;
}
开发者ID:ZdrytchX，项目名称:Unvanquished-KoRx，代码行数:36，代码来源:tr_init.c


示例2: RB_ExecuteRenderCommands

/*
 * RB_ExecuteRenderCommands
 *
 * This function will be called synchronously if running without
 * smp extensions, or asynchronously by another thread.
 */
void
RB_ExecuteRenderCommands(const void *data)
{
	int t1, t2;

	t1 = ri.Milliseconds ();

	if(!r_smp->integer || data == backEndData[0]->commands.cmds){
		backEnd.smpFrame = 0;
	}else{
		backEnd.smpFrame = 1;
	}

	while(1){
		data = PADP(data, sizeof(void *));

		switch(*(const int*)data){
		case RC_SET_COLOR:
			data = RB_SetColor(data);
			break;
		case RC_STRETCH_PIC:
			data = RB_StretchPic(data);
			break;
		case RC_DRAW_SURFS:
			data = RB_DrawSurfs(data);
			break;
		case RC_DRAW_BUFFER:
			data = RB_DrawBuffer(data);
			break;
		case RC_SWAP_BUFFERS:
			data = RB_SwapBuffers(data);
			break;
		case RC_SCREENSHOT:
			data = RB_TakeScreenshotCmd(data);
			break;
		case RC_VIDEOFRAME:
			data = RB_TakeVideoFrameCmd(data);
			break;
		case RC_COLORMASK:
			data = RB_ColorMask(data);
			break;
		case RC_CLEARDEPTH:
			data = RB_ClearDepth(data);
			break;
		case RC_CAPSHADOWMAP:
			data = RB_CapShadowMap(data);
			break;
		case RC_POSTPROCESS:
			data = RB_PostProcess(data);
			break;
		case RC_END_OF_LIST:
		default:
			/* stop rendering on this thread */
			t2 = ri.Milliseconds ();
			backEnd.pc.msec = t2 - t1;
			return;
		}
	}

}
开发者ID:icanhas，项目名称:yantar，代码行数:66，代码来源:backend.c


示例3: RB_ExecuteRenderCommands

/*
====================
RB_ExecuteRenderCommands
====================
*/
void RB_ExecuteRenderCommands( const void *data ) {
	int		t1, t2;

	t1 = ri.Milliseconds ();

	while ( 1 ) {
		data = PADP(data, sizeof(void *));

		switch ( *(const int *)data ) {
		case RC_SET_COLOR:
			data = RB_SetColor( data );
			break;
		case RC_STRETCH_PIC:
			data = RB_StretchPic( data );
			break;
		case RC_DRAW_SURFS:
			data = RB_DrawSurfs( data );
			break;
		case RC_DRAW_BUFFER:
			data = RB_DrawBuffer( data );
			break;
		case RC_SWAP_BUFFERS:
			data = RB_SwapBuffers( data );
			break;
		case RC_SCREENSHOT:
			data = RB_TakeScreenshotCmd( data );
			break;
		case RC_VIDEOFRAME:
			data = RB_TakeVideoFrameCmd( data );
			break;
		case RC_COLORMASK:
			data = RB_ColorMask(data);
			break;
		case RC_CLEARDEPTH:
			data = RB_ClearDepth(data);
			break;
		case RC_CAPSHADOWMAP:
			data = RB_CapShadowMap(data);
			break;
		case RC_POSTPROCESS:
			data = RB_PostProcess(data);
			break;
		case RC_EXPORT_CUBEMAPS:
			data = RB_ExportCubemaps(data);
			break;
		case RC_END_OF_LIST:
		default:
			// finish any 2D drawing if needed
			if(tess.numIndexes)
				RB_EndSurface();

			// stop rendering
			t2 = ri.Milliseconds ();
			backEnd.pc.msec = t2 - t1;
			return;
		}
	}

}
开发者ID:openmoh，项目名称:ioq3，代码行数:64，代码来源:tr_backend.c


示例4: RB_ExecuteRenderCommands

/*
====================
RB_ExecuteRenderCommands
====================
*/
void RB_ExecuteRenderCommands( const void *data ) {
	int		t1, t2;

	t1 = ri.Milliseconds ();

	while ( 1 ) {
		data = PADP(data, sizeof(void *));

		switch ( *(const int *)data ) {
		case RC_SET_COLOR:
			data = RB_SetColor( data );
			break;
		case RC_STRETCH_PIC:
			data = RB_StretchPic( data );
			break;
		case RC_ROTATED_PIC:
			data = RB_RotatedPic( data );
			break;
		case RC_DRAW_SURFS:
			data = RB_DrawSurfs( data );
			break;
		case RC_DRAW_BUFFER:
			data = RB_DrawBuffer( data );
			break;
		case RC_SWAP_BUFFERS:
			data = RB_SwapBuffers( data );
			break;
		case RC_SCREENSHOT:
			data = RB_TakeScreenshotCmd( data );
			break;
		case RC_VIDEOFRAME:
			data = RB_TakeVideoFrameCmd( data );
			break;
		case RC_COLORMASK:
			data = RB_ColorMask(data);
			break;
		case RC_CLEARDEPTH:
			data = RB_ClearDepth(data);
			break;
		case RC_END_OF_LIST:
		default:
			// stop rendering
			t2 = ri.Milliseconds ();
			backEnd.pc.msec = t2 - t1;
			return;
		}
	}

}
开发者ID:mrwonko，项目名称:iojamp，代码行数:54，代码来源:tr_backend.c


示例5: qglGetIntegerv

byte *RB_ReadZBuffer(int x, int y, int width, int height, int *padlen)
{
	byte  *buffer, *bufstart;
	int   padwidth, linelen;
	GLint packAlign;

	qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);

	linelen  = width;
	padwidth = PAD(linelen, packAlign);

	// Allocate a few more bytes so that we can choose an alignment we like
	buffer = ri.Hunk_AllocateTempMemory(padwidth * height + packAlign - 1);

	bufstart = PADP(( intptr_t ) buffer, packAlign);
	qglDepthRange(0.0f, 1.0f);
	memset(buffer, 0, padwidth * height + packAlign - 1);   //*TODO* find something to read DepthBuffer ?!

	*padlen = padwidth - linelen;

	return buffer;
}
开发者ID:fretn，项目名称:etlegacy，代码行数:22，代码来源:tr_init.c


示例6: qglGetIntegerv

byte *RB_ReadZBuffer(int x, int y, int width, int height, int *padlen)
{
	byte  *buffer, *bufstart;
	int   padwidth, linelen;
	GLint packAlign;

	qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);

	linelen  = width;
	padwidth = PAD(linelen, packAlign);

	// Allocate a few more bytes so that we can choose an alignment we like
	buffer = ri.Hunk_AllocateTempMemory(padwidth * height + packAlign - 1);

	bufstart = PADP(( intptr_t ) buffer, packAlign);
	qglDepthRange(0.0f, 1.0f);
	qglReadPixels(x, y, width, height, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, bufstart);

	*padlen = padwidth - linelen;

	return buffer;
}
开发者ID:vishen，项目名称:etlegacy，代码行数:22，代码来源:tr_init.c


示例7: qglGetIntegerv

byte *RB_ReadPixels(int x, int y, int width, int height, size_t *offset, int *padlen)
{
	byte *buffer, *bufstart;
	int padwidth, linelen;
	GLint packAlign;
	
	qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);
	
	linelen = width * 3;
	padwidth = PAD(linelen, packAlign);
	
	// Allocate a few more bytes so that we can choose an alignment we like
	buffer = ri.Hunk_AllocateTempMemory(padwidth * height + *offset + packAlign - 1);

#ifdef USE_OPENGLES
	bufstart=buffer;
	padwidth=linelen;
	int p2width=1, p2height=1;
	int xx, yy, aa;
	while (p2width<glConfig.vidWidth) p2width*=2;
	while (p2height<glConfig.vidHeight) p2height*=2;
	byte *source = (byte*) ri.Z_Malloc( p2width * p2height * 4 );
	qglReadPixels( 0, 0, p2width, p2height, GL_RGBA, GL_UNSIGNED_BYTE, source );
	for (yy=y; yy<height; yy++)
		for (xx=x; xx<width; xx++)
			for (aa=0; aa<3; aa++)
				buffer[yy*width*3+xx*3+aa]=source[(yy+y)*p2width*4+(xx+x)*4+aa];
	ri.Free(source);
#else
	bufstart = PADP((intptr_t) buffer + *offset, packAlign);
	qglReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, bufstart);
#endif
	
	*offset = bufstart - buffer;
	*padlen = padwidth - linelen;
	
	return buffer;
}
开发者ID:MAN-AT-ARMS，项目名称:iortcw-archive，代码行数:38，代码来源:tr_init.c


示例8: glGetIntegerv

/*
==================
RB_TakeVideoFrameCmd
==================
*/
const void     *RB_TakeVideoFrameCmd( const void *data )
{
	const videoFrameCommand_t *cmd;
	GLint                     packAlign;
	int                       lineLen, captureLineLen;
	byte                      *pixels;
	int                       i;
	int                       outputSize;
	int                       j;
	int                       aviLineLen;

	cmd = ( const videoFrameCommand_t * ) data;

	// RB: it is possible to we still have a videoFrameCommand_t but we already stopped
	// video recording
	if ( ri.CL_VideoRecording() )
	{
		// take care of alignment issues for reading RGB images..

		glGetIntegerv( GL_PACK_ALIGNMENT, &packAlign );

		lineLen = cmd->width * 3;
		captureLineLen = PAD( lineLen, packAlign );

		pixels = ( byte * ) PADP( cmd->captureBuffer, packAlign );
		glReadPixels( 0, 0, cmd->width, cmd->height, GL_RGB, GL_UNSIGNED_BYTE, pixels );

		if ( tr.overbrightBits > 0 && glConfig.deviceSupportsGamma )
		{
			// this also runs over the padding...
			R_GammaCorrect( pixels, captureLineLen * cmd->height );
		}

		if ( cmd->motionJpeg )
		{
			// Drop alignment and line padding bytes
			for ( i = 0; i < cmd->height; ++i )
			{
				memmove( cmd->captureBuffer + i * lineLen, pixels + i * captureLineLen, lineLen );
			}

			outputSize = SaveJPGToBuffer( cmd->encodeBuffer, 3 * cmd->width * cmd->height, 90, cmd->width, cmd->height, cmd->captureBuffer );
			ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, outputSize );
		}
		else
		{
			aviLineLen = PAD( lineLen, AVI_LINE_PADDING );

			for ( i = 0; i < cmd->height; ++i )
			{
				for ( j = 0; j < lineLen; j += 3 )
				{
					cmd->encodeBuffer[ i * aviLineLen + j + 0 ] = pixels[ i * captureLineLen + j + 2 ];
					cmd->encodeBuffer[ i * aviLineLen + j + 1 ] = pixels[ i * captureLineLen + j + 1 ];
					cmd->encodeBuffer[ i * aviLineLen + j + 2 ] = pixels[ i * captureLineLen + j + 0 ];
				}

				while ( j < aviLineLen )
				{
					cmd->encodeBuffer[ i * aviLineLen + j++ ] = 0;
				}
			}

			ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, aviLineLen * cmd->height );
		}
	}

	return ( const void * )( cmd + 1 );
}
开发者ID:ZdrytchX，项目名称:Unvanquished-KoRx，代码行数:74，代码来源:tr_init.c


示例9: RB_ExecuteRenderCommands

/*
====================
RB_ExecuteRenderCommands

This function will be called synchronously if running without
smp extensions, or asynchronously by another thread.
====================
*/
void RB_ExecuteRenderCommands( const void *data ) {
	int		t1, t2;

	t1 = ri.Milliseconds ();

	if ( !r_smp->integer || data == backEndData[0]->commands.cmds ) {
		backEnd.smpFrame = 0;
	} else {
		backEnd.smpFrame = 1;
	}

	while ( 1 ) {
		data = PADP(data, sizeof(void *));

		switch ( *(const int *)data ) {
		case RC_SET_COLOR:
			data = RB_SetColor( data );
			break;
		case RC_STRETCH_PIC:
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			R_FrameBuffer_EndFrame();
#endif
			data = RB_StretchPic( data );
			break;
		case RC_DRAW_SURFS:
			data = RB_DrawSurfs( data );
			break;
		case RC_DRAW_BUFFER:
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			data = useFrameBuffer ? RB_DrawFrameBuffer( data ) : RB_DrawBuffer( data );
#else
			data = RB_DrawBuffer( data );
#endif
			break;
		case RC_SWAP_BUFFERS:
			data = RB_SwapBuffers( data );
			break;
		//these two use a hack to let them copy the framebuffer effects too
		case RC_SCREENSHOT:
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			R_FrameBufferUnBind();
#endif
			data = RB_TakeScreenshotCmd( data );
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			R_FrameBufferBind();
#endif
			break;
		case RC_VIDEOFRAME:
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			R_FrameBufferUnBind();
#endif
			data = RB_TakeVideoFrameCmd( data );
#ifdef FRAMEBUFFER_AND_GLSL_SUPPORT
			R_FrameBufferBind();
#endif
			break;
		case RC_COLORMASK:
			data = RB_ColorMask(data);
			break;
		case RC_CLEARDEPTH:
			data = RB_ClearDepth(data);
			break;
		case RC_END_OF_LIST:
		default:
			// stop rendering on this thread
			t2 = ri.Milliseconds ();
			backEnd.pc.msec = t2 - t1;
			return;
		}
	}

}
开发者ID:Mixone-FinallyHere，项目名称:SmokinGuns，代码行数:80，代码来源:tr_backend.c


示例10: R_LoadIQModel

/*
=================
R_LoadIQModel

Load an IQM model and compute the joint matrices for every frame.
=================
*/
bool R_LoadIQModel( model_t *mod, void *buffer, int filesize,
			const char *mod_name ) {
	iqmHeader_t		*header;
	iqmVertexArray_t	*vertexarray;
	iqmTriangle_t		*triangle;
	iqmMesh_t		*mesh;
	iqmJoint_t		*joint;
	iqmPose_t		*pose;
	iqmAnim_t		*anim;
	unsigned short		*framedata;
	char			*str, *name;
	int		len;
	transform_t		*trans, *poses;
	float			*bounds;
	size_t			size, len_names;
	IQModel_t		*IQModel;
	IQAnim_t		*IQAnim;
	srfIQModel_t		*surface;
	vboData_t               vboData;
	float                   *weightbuf;
	int                     *indexbuf;
	i16vec4_t               *qtangentbuf;
	VBO_t                   *vbo;
	IBO_t                   *ibo;
	void                    *ptr;
	u8vec4_t                *weights;

	if( !LoadIQMFile( buffer, filesize, mod_name, &len_names ) ) {
		return false;
	}

	header = (iqmHeader_t *)buffer;

	// compute required space
	size = sizeof(IQModel_t);
	size += header->num_meshes * sizeof( srfIQModel_t );
	size += header->num_anims * sizeof( IQAnim_t );
	size += header->num_joints * sizeof( transform_t );
	size = PAD( size, 16 );
	size += header->num_joints * header->num_frames * sizeof( transform_t );
	if(header->ofs_bounds)
		size += header->num_frames * 6 * sizeof(float);	// model bounds
	size += header->num_vertexes * 3 * sizeof(float);	// positions
	size += header->num_vertexes * 3 * sizeof(float);	// normals
	size += header->num_vertexes * 3 * sizeof(float);	// tangents
	size += header->num_vertexes * 3 * sizeof(float);	// bitangents
	size += header->num_vertexes * 2 * sizeof(int16_t);	// texcoords
	size += header->num_vertexes * 4 * sizeof(byte);	// blendIndexes
	size += header->num_vertexes * 4 * sizeof(byte);	// blendWeights
	size += header->num_vertexes * 4 * sizeof(byte);	// colors
	size += header->num_triangles * 3 * sizeof(int);	// triangles
	size += header->num_joints * sizeof(int);		// parents
	size += len_names;					// joint and anim names

	IQModel = (IQModel_t *)ri.Hunk_Alloc( size, ha_pref::h_low );
	mod->type = modtype_t::MOD_IQM;
	mod->iqm = IQModel;
	ptr = IQModel + 1;

	// fill header and setup pointers
	IQModel->num_vertexes = header->num_vertexes;
	IQModel->num_triangles = header->num_triangles;
	IQModel->num_frames   = header->num_frames;
	IQModel->num_surfaces = header->num_meshes;
	IQModel->num_joints   = header->num_joints;
	IQModel->num_anims    = header->num_anims;

	IQModel->surfaces = (srfIQModel_t *)ptr;
	ptr = IQModel->surfaces + header->num_meshes;

	if( header->ofs_anims ) {
		IQModel->anims = (IQAnim_t *)ptr;
		ptr = IQModel->anims + header->num_anims;
	} else {
		IQModel->anims = nullptr;
	}

	IQModel->joints = (transform_t *)PADP(ptr, 16);
	ptr = IQModel->joints + header->num_joints;

	if( header->ofs_poses ) {
		poses = (transform_t *)ptr;
		ptr = poses + header->num_poses * header->num_frames;
	} else {
		poses = nullptr;
	}

	if( header->ofs_bounds ) {
		bounds = (float *)ptr;
		ptr = bounds + 6 * header->num_frames;
	} else {
		bounds = nullptr;
	}
//.........这里部分代码省略.........
开发者ID:dimhotepus，项目名称:Unvanquished，代码行数:101，代码来源:tr_model_iqm.cpp


示例11: R_LevelShot

/*
====================
R_LevelShot

levelshots are specialized 128*128 thumbnails for
the menu system, sampled down from full screen distorted images
====================
*/
void R_LevelShot( screenshotType_e type, const char *ext ) {
	char		fileName[MAX_OSPATH];
	byte		*source;
	byte		*resample, *resamplestart;
	size_t		offset = 0, memcount;
	int			spadlen, rpadlen;
	int			padwidth, linelen;
	GLint		packAlign;
	byte		*src, *dst;
	int			x, y;
	int			r, g, b;
	float		xScale, yScale;
	int			xx, yy;
	int			width, height;
	int			arg;

	// Allow custom resample width/height
	arg = atoi(ri.Cmd_Argv(2));
	if (arg > 0)
		width = height = arg;
	else
		width = height = 128;

	if (width > glConfig.vidWidth)
		width = glConfig.vidWidth;
	if (height > glConfig.vidHeight)
		height = glConfig.vidHeight;

	Com_sprintf(fileName, sizeof(fileName), "levelshots/%s_small%s", tr.world->baseName, ext);

	source = RB_ReadPixels(0, 0, glConfig.vidWidth, glConfig.vidHeight, &offset, &spadlen);

	//
	// Based on RB_ReadPixels
	qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);

	linelen = width * 3;
	padwidth = PAD(linelen, packAlign);

	// Allocate a few more bytes so that we can choose an alignment we like
	resample = ri.Hunk_AllocateTempMemory(padwidth * height + offset + packAlign - 1);

	resamplestart = PADP((intptr_t) resample + offset, packAlign);

	offset = resamplestart - resample;
	rpadlen = padwidth - linelen;
	//

	// resample from source
	xScale = glConfig.vidWidth / (float)(width * 4.0f);
	yScale = glConfig.vidHeight / (float)(height * 3.0f);
	for ( y = 0 ; y < height ; y++ ) {
		for ( x = 0 ; x < width ; x++ ) {
			r = g = b = 0;
			for ( yy = 0 ; yy < 3 ; yy++ ) {
				for ( xx = 0 ; xx < 4 ; xx++ ) {
					src = source + (3 * glConfig.vidWidth + spadlen) * (int)((y*3 + yy) * yScale) +
						3 * (int) ((x*4 + xx) * xScale);
					r += src[0];
					g += src[1];
					b += src[2];
				}
			}
			dst = resample + 3 * ( y * width + x );
			dst[0] = r / 12;
			dst[1] = g / 12;
			dst[2] = b / 12;
		}
	}

	memcount = (width * 3 + rpadlen) * height;

	// gamma correct
	if(glConfig.deviceSupportsGamma)
		R_GammaCorrect(resample + offset, memcount);

	if ( type == ST_TGA )
		RE_SaveTGA(fileName, width, height, resample + offset, rpadlen);
	else if ( type == ST_JPEG )
		RE_SaveJPG(fileName, r_screenshotJpegQuality->integer, width, height, resample + offset, rpadlen);
	else if ( type == ST_PNG )
		RE_SavePNG(fileName, width, height, resample + offset, rpadlen);

	ri.Hunk_FreeTempMemory(resample);
	ri.Hunk_FreeTempMemory(source);

	ri.Printf( PRINT_ALL, "Wrote %s\n", fileName );
}
开发者ID:mecwerks，项目名称:spearmint，代码行数:96，代码来源:tr_init.c



注：本文中的PADP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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