mirror of
https://github.com/DrBeef/QVR.git
synced 2024-11-14 16:30:53 +00:00
222 lines
9.3 KiB
C
222 lines
9.3 KiB
C
|
|
#ifndef R_TEXTURES_H
|
|
#define R_TEXTURES_H
|
|
|
|
// transparent
|
|
#define TEXF_ALPHA 0x00000001
|
|
// mipmapped
|
|
#define TEXF_MIPMAP 0x00000002
|
|
// multiply RGB by A channel before uploading
|
|
#define TEXF_RGBMULTIPLYBYALPHA 0x00000004
|
|
// indicates texture coordinates should be clamped rather than wrapping
|
|
#define TEXF_CLAMP 0x00000020
|
|
// indicates texture should be uploaded using GL_NEAREST or GL_NEAREST_MIPMAP_NEAREST mode
|
|
#define TEXF_FORCENEAREST 0x00000040
|
|
// indicates texture should be uploaded using GL_LINEAR or GL_LINEAR_MIPMAP_NEAREST or GL_LINEAR_MIPMAP_LINEAR mode
|
|
#define TEXF_FORCELINEAR 0x00000080
|
|
// indicates texture should be affected by gl_picmip and gl_max_size cvar
|
|
#define TEXF_PICMIP 0x00000100
|
|
// indicates texture should be compressed if possible
|
|
#define TEXF_COMPRESS 0x00000200
|
|
// use this flag to block R_PurgeTexture from freeing a texture (only used by r_texture_white and similar which may be used in skinframe_t)
|
|
#define TEXF_PERSISTENT 0x00000400
|
|
// indicates texture should use GL_COMPARE_R_TO_TEXTURE mode
|
|
#define TEXF_COMPARE 0x00000800
|
|
// indicates texture should use lower precision where supported
|
|
#define TEXF_LOWPRECISION 0x00001000
|
|
// indicates texture should support R_UpdateTexture on small regions, actual uploads may be delayed until R_Mesh_TexBind if gl_nopartialtextureupdates is on
|
|
#define TEXF_ALLOWUPDATES 0x00002000
|
|
// indicates texture should be affected by gl_picmip_world and r_picmipworld (maybe others in the future) instead of gl_picmip_other
|
|
#define TEXF_ISWORLD 0x00004000
|
|
// indicates texture should be affected by gl_picmip_sprites and r_picmipsprites (maybe others in the future) instead of gl_picmip_other
|
|
#define TEXF_ISSPRITE 0x00008000
|
|
// indicates the texture will be used as a render target (D3D hint)
|
|
#define TEXF_RENDERTARGET 0x0010000
|
|
// used for checking if textures mismatch
|
|
#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_RGBMULTIPLYBYALPHA | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR | TEXF_PICMIP | TEXF_COMPRESS | TEXF_COMPARE | TEXF_LOWPRECISION | TEXF_RENDERTARGET)
|
|
// set as a flag to force the texture to be reloaded
|
|
#define TEXF_FORCE_RELOAD 0x80000000
|
|
|
|
typedef enum textype_e
|
|
{
|
|
// 8bit paletted
|
|
TEXTYPE_PALETTE,
|
|
// 32bit RGBA
|
|
TEXTYPE_RGBA,
|
|
// 32bit BGRA (preferred format due to faster uploads on most hardware)
|
|
TEXTYPE_BGRA,
|
|
// 8bit ALPHA (used for freetype fonts)
|
|
TEXTYPE_ALPHA,
|
|
// 4x4 block compressed 15bit color (4 bits per pixel)
|
|
TEXTYPE_DXT1,
|
|
// 4x4 block compressed 15bit color plus 1bit alpha (4 bits per pixel)
|
|
TEXTYPE_DXT1A,
|
|
// 4x4 block compressed 15bit color plus 8bit alpha (8 bits per pixel)
|
|
TEXTYPE_DXT3,
|
|
// 4x4 block compressed 15bit color plus 8bit alpha (8 bits per pixel)
|
|
TEXTYPE_DXT5,
|
|
|
|
// 8bit paletted in sRGB colorspace
|
|
TEXTYPE_SRGB_PALETTE,
|
|
// 32bit RGBA in sRGB colorspace
|
|
TEXTYPE_SRGB_RGBA,
|
|
// 32bit BGRA (preferred format due to faster uploads on most hardware) in sRGB colorspace
|
|
TEXTYPE_SRGB_BGRA,
|
|
// 4x4 block compressed 15bit color (4 bits per pixel) in sRGB colorspace
|
|
TEXTYPE_SRGB_DXT1,
|
|
// 4x4 block compressed 15bit color plus 1bit alpha (4 bits per pixel) in sRGB colorspace
|
|
TEXTYPE_SRGB_DXT1A,
|
|
// 4x4 block compressed 15bit color plus 8bit alpha (8 bits per pixel) in sRGB colorspace
|
|
TEXTYPE_SRGB_DXT3,
|
|
// 4x4 block compressed 15bit color plus 8bit alpha (8 bits per pixel) in sRGB colorspace
|
|
TEXTYPE_SRGB_DXT5,
|
|
|
|
// this represents the same format as the framebuffer, for fast copies
|
|
TEXTYPE_COLORBUFFER,
|
|
// this represents an RGBA half_float texture (4 16bit floats)
|
|
TEXTYPE_COLORBUFFER16F,
|
|
// this represents an RGBA float texture (4 32bit floats)
|
|
TEXTYPE_COLORBUFFER32F,
|
|
// depth-stencil buffer (or texture)
|
|
TEXTYPE_DEPTHBUFFER16,
|
|
// depth-stencil buffer (or texture)
|
|
TEXTYPE_DEPTHBUFFER24,
|
|
// 32bit D24S8 buffer (24bit depth, 8bit stencil), not supported on OpenGL ES
|
|
TEXTYPE_DEPTHBUFFER24STENCIL8,
|
|
// shadowmap-friendly format with depth comparison (not supported on some hardware)
|
|
TEXTYPE_SHADOWMAP16_COMP,
|
|
// shadowmap-friendly format with raw reading (not supported on some hardware)
|
|
TEXTYPE_SHADOWMAP16_RAW,
|
|
// shadowmap-friendly format with depth comparison (not supported on some hardware)
|
|
TEXTYPE_SHADOWMAP24_COMP,
|
|
// shadowmap-friendly format with raw reading (not supported on some hardware)
|
|
TEXTYPE_SHADOWMAP24_RAW,
|
|
}
|
|
textype_t;
|
|
|
|
/*
|
|
#ifdef WIN32
|
|
#define SUPPORTD3D
|
|
#define SUPPORTDIRECTX
|
|
#ifdef SUPPORTD3D
|
|
#include <d3d9.h>
|
|
#endif
|
|
#endif
|
|
*/
|
|
|
|
// contents of this structure are mostly private to gl_textures.c
|
|
typedef struct rtexture_s
|
|
{
|
|
// this is exposed (rather than private) for speed reasons only
|
|
int texnum; // GL texture slot number
|
|
int renderbuffernum; // GL renderbuffer slot number
|
|
qboolean dirty; // indicates that R_RealGetTexture should be called
|
|
qboolean glisdepthstencil; // indicates that FBO attachment has to be GL_DEPTH_STENCIL_ATTACHMENT
|
|
int gltexturetypeenum; // used by R_Mesh_TexBind
|
|
// d3d stuff the backend needs
|
|
void *d3dtexture;
|
|
void *d3dsurface;
|
|
#ifdef SUPPORTD3D
|
|
qboolean d3disrendertargetsurface;
|
|
qboolean d3disdepthstencilsurface;
|
|
int d3dformat;
|
|
int d3dusage;
|
|
int d3dpool;
|
|
int d3daddressu;
|
|
int d3daddressv;
|
|
int d3daddressw;
|
|
int d3dmagfilter;
|
|
int d3dminfilter;
|
|
int d3dmipfilter;
|
|
int d3dmaxmiplevelfilter;
|
|
int d3dmipmaplodbias;
|
|
int d3dmaxmiplevel;
|
|
#endif
|
|
}
|
|
rtexture_t;
|
|
|
|
// contents of this structure are private to gl_textures.c
|
|
typedef struct rtexturepool_s
|
|
{
|
|
int useless;
|
|
}
|
|
rtexturepool_t;
|
|
|
|
typedef void (*updatecallback_t)(rtexture_t *rt, void *data);
|
|
|
|
// allocate a texture pool, to be used with R_LoadTexture
|
|
rtexturepool_t *R_AllocTexturePool(void);
|
|
// free a texture pool (textures can not be freed individually)
|
|
void R_FreeTexturePool(rtexturepool_t **rtexturepool);
|
|
|
|
// the color/normal/etc cvars should be checked by callers of R_LoadTexture* functions to decide whether to add TEXF_COMPRESS to the flags
|
|
extern cvar_t gl_texturecompression;
|
|
extern cvar_t gl_texturecompression_color;
|
|
extern cvar_t gl_texturecompression_normal;
|
|
extern cvar_t gl_texturecompression_gloss;
|
|
extern cvar_t gl_texturecompression_glow;
|
|
extern cvar_t gl_texturecompression_2d;
|
|
extern cvar_t gl_texturecompression_q3bsplightmaps;
|
|
extern cvar_t gl_texturecompression_q3bspdeluxemaps;
|
|
extern cvar_t gl_texturecompression_sky;
|
|
extern cvar_t gl_texturecompression_lightcubemaps;
|
|
extern cvar_t gl_texturecompression_reflectmask;
|
|
extern cvar_t r_texture_dds_load;
|
|
extern cvar_t r_texture_dds_save;
|
|
|
|
// add a texture to a pool and optionally precache (upload) it
|
|
// (note: data == NULL is perfectly acceptable)
|
|
// (note: palette must not be NULL if using TEXTYPE_PALETTE)
|
|
rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette);
|
|
rtexture_t *R_LoadTexture3D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette);
|
|
rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette);
|
|
rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype, qboolean filter);
|
|
rtexture_t *R_LoadTextureRenderBuffer(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype);
|
|
rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, qboolean srgb, int flags, qboolean *hasalphaflag, float *avgcolor, int miplevel, qboolean optionaltexture);
|
|
|
|
// saves a texture to a DDS file
|
|
int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipuncompressed, qboolean hasalpha);
|
|
|
|
// free a texture
|
|
void R_FreeTexture(rtexture_t *rt);
|
|
|
|
// update a portion of the image data of a texture, used by lightmap updates
|
|
// and procedural textures such as video playback, actual uploads may be
|
|
// delayed by gl_nopartialtextureupdates cvar until R_Mesh_TexBind uses it
|
|
void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, int z, int width, int height, int depth);
|
|
|
|
// returns the renderer dependent texture slot number (call this before each
|
|
// use, as a texture might not have been precached)
|
|
#define R_GetTexture(rt) ((rt) ? ((rt)->dirty ? R_RealGetTexture(rt) : (rt)->texnum) : r_texture_white->texnum)
|
|
int R_RealGetTexture (rtexture_t *rt);
|
|
|
|
// returns width of texture, as was specified when it was uploaded
|
|
int R_TextureWidth(rtexture_t *rt);
|
|
|
|
// returns height of texture, as was specified when it was uploaded
|
|
int R_TextureHeight(rtexture_t *rt);
|
|
|
|
// returns flags of texture, as was specified when it was uploaded
|
|
int R_TextureFlags(rtexture_t *rt);
|
|
|
|
// only frees the texture if TEXF_PERSISTENT is not set
|
|
// also resets the variable
|
|
void R_PurgeTexture(rtexture_t *prt);
|
|
|
|
// frees processing buffers each frame, and may someday animate procedural textures
|
|
void R_Textures_Frame(void);
|
|
|
|
// maybe rename this - sounds awful? [11/21/2007 Black]
|
|
void R_MarkDirtyTexture(rtexture_t *rt);
|
|
void R_MakeTextureDynamic(rtexture_t *rt, updatecallback_t updatecallback, void *data);
|
|
|
|
// Clear the texture's contents
|
|
void R_ClearTexture (rtexture_t *rt);
|
|
|
|
// returns the desired picmip level for given TEXF_ flags
|
|
int R_PicmipForFlags(int flags);
|
|
|
|
void R_TextureStats_Print(qboolean printeach, qboolean printpool, qboolean printtotal);
|
|
|
|
#endif
|
|
|