r_lightmap.c File Reference

#include "r_local.h"
#include "r_error.h"
#include "r_entity.h"
#include "r_lightmap.h"

Include dependency graph for r_lightmap.c:

Functions
static void	R_UploadLightmapBlock (void)
static qboolean	R_AllocLightmapBlock (int w, int h, int x, int y)
	returns a texture number and the position inside it
static void	R_BuildDefaultLightmap (mBspSurface_t surf, byte sout, byte *dout, int stride)
	Fullbridght lightmap.
static void	R_BuildLightmap (mBspSurface_t surf, byte sout, byte *dout, int stride)
	Consume raw lightmap and deluxemap RGB/XYZ data from the surface samples, writing processed lightmap and deluxemap RGBA to the specified destinations.
void	R_CreateSurfaceLightmap (mBspSurface_t *surf)
void	R_BeginBuildingLightmaps (void)
void	R_EndBuildingLightmaps (void)
void	R_Trace (vec3_t start, vec3_t end, float size, int contentmask)
	Moves the given mins/maxs volume through the world from start to end.
Variables
lightmaps_t	r_lightmaps

Detailed Description

In video memory, lightmaps are chunked into NxN RGBA blocks. In the bsp, they are just RGB, and we retrieve them using floating point for precision.

Definition in file r_lightmap.c.

Function Documentation

static qboolean R_AllocLightmapBlock	(	int	w,
		int	h,
		int *	x,
		int *	y
	)			`[static]`

returns a texture number and the position inside it

Definition at line 78 of file r_lightmap.c.

References lightmaps_s::allocated, i, qfalse, qtrue, and lightmaps_s::size.

Referenced by R_CreateSurfaceLightmap().

void R_BeginBuildingLightmaps ( void )

See also:: R_ModBeginLoading; R_EndBuildingLightmaps

Definition at line 272 of file r_lightmap.c.

References lightmaps_s::allocated, byte, lightmaps_s::deluxemap_texnum, lightmaps_s::direction_buffer, cvar_s::integer, lightmaps_s::lightmap_texnum, Mem_PoolAlloc, r_maxlightmap, lightmaps_s::sample_buffer, lightmaps_s::size, TEXNUM_DELUXEMAPS, TEXNUM_LIGHTMAPS, and vid_lightPool.

Referenced by R_ModBeginLoading().

static void R_BuildDefaultLightmap	(	mBspSurface_t *	surf,
		byte *	sout,
		byte *	dout,
		int	stride
	)			`[static]`

Fullbridght lightmap.

See also:: R_BuildLightmap

Definition at line 114 of file r_lightmap.c.

References mBspSurface_s::color, DELUXEMAP_BLOCK_BYTES, i, LIGHTMAP_BLOCK_BYTES, mBspSurface_s::lightmap_scale, mBspSurface_s::stextents, and Vector4Set.

Referenced by R_CreateSurfaceLightmap().

static void R_BuildLightmap	(	mBspSurface_t *	surf,
		byte *	sout,
		byte *	dout,
		int	stride
	)			`[static]`

Consume raw lightmap and deluxemap RGB/XYZ data from the surface samples, writing processed lightmap and deluxemap RGBA to the specified destinations.

See also:: R_BuildDefaultLightmap

Definition at line 148 of file r_lightmap.c.

References byte, mBspSurface_s::color, DELUXEMAP_BLOCK_BYTES, mBspTexInfo_s::flags, i, cvar_s::integer, it_lightmap, mBspSurface_s::lightmap, LIGHTMAP_BLOCK_BYTES, LIGHTMAP_BYTES, mBspSurface_s::lightmap_scale, Mem_Free, Mem_PoolAlloc, R_FilterTexture(), r_soften, R_SoftenTexture(), mBspSurface_s::samples, mBspSurface_s::stextents, SURF_ALPHATEST, SURF_BLEND33, SURF_BLEND66, mBspSurface_s::texinfo, and vid_lightPool.

Referenced by R_CreateSurfaceLightmap().

void R_CreateSurfaceLightmap ( mBspSurface_t * surf )

void R_EndBuildingLightmaps ( void )

See also:: R_BeginBuildingLightmaps; R_ModBeginLoading

Definition at line 294 of file r_lightmap.c.

References R_UploadLightmapBlock().

Referenced by R_ModEndLoading().

void R_Trace	(	vec3_t	start,
		vec3_t	end,
		float	size,
		int	contentmask
	)

Moves the given mins/maxs volume through the world from start to end.

Parameters:

`[in]`	start	Start vector to start the trace from
`[in]`	end	End vector to stop the trace at
`[in]`	size	Bounding box size used for tracing
`[in]`	contentmask	Searched content the trace should watch for

Definition at line 308 of file r_lightmap.c.

References model_s::bsp, CM_CompleteBoxTrace(), CM_TransformedBoxTrace, mBspModel_s::firstnode, trace_s::fraction, i, m, trace_s::mapTile, mBspModel_s::maptile, mapTiles_t::mapTiles, rendererData_t::mapTiles, mod_bsp_submodel, rendererData_t::numEntities, entity_t::origin, R_GetEntity(), r_locals, r_numMapTiles, refdef, rendererData_t::trace, rendererData_t::traceEntity, rlocals_s::tracenum, TRACING_ALL_VISIBLE_LEVELS, model_s::type, and VectorSet.

Referenced by R_DrawFlareSurfaces().

static void R_UploadLightmapBlock ( void ) [static]

Definition at line 34 of file r_lightmap.c.

References lightmaps_s::allocated, Com_Printf(), lightmaps_s::deluxemap_texnum, lightmaps_s::direction_buffer, rconfig_t::gl_compressed_solid_format, rconfig_t::gl_solid_format, lightmaps_s::lightmap_texnum, MAX_GL_DELUXEMAPS, MAX_GL_LIGHTMAPS, R_BindTexture, R_CheckError, r_config, lightmaps_s::sample_buffer, and lightmaps_s::size.

Referenced by R_CreateSurfaceLightmap(), and R_EndBuildingLightmaps().

Variable Documentation

lightmaps_t r_lightmaps

Definition at line 32 of file r_lightmap.c.

Referenced by R_LoadBspVertexArrays().

r_lightmap.c File Reference

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation