X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_textures.h;h=7a7cc460b1734bb44f69a5a3ff0dc9904e5b7702;hp=9657fadf14fc9cbb33c6c5eb88bc5918c7bdc41b;hb=1ff3bc8e953680793a28ea923f2d1e58cdf2c9f0;hpb=e4b3858e7aca0ead91be1d8f675db084d025abad diff --git a/r_textures.h b/r_textures.h index 9657fadf..7a7cc460 100644 --- a/r_textures.h +++ b/r_textures.h @@ -1,19 +1,199 @@ -#define TEXF_ALPHA 1 // transparent -#define TEXF_MIPMAP 2 // mipmapped -#define TEXF_RGBA 4 // 32bit RGBA, as opposed to 8bit paletted -#define TEXF_PRECACHE 8 // upload immediately, otherwise defer loading until it is used (r_textureprecache can override this) +#ifndef R_TEXTURES_H +#define R_TEXTURES_H -// contents of this structure are private to gl_textures.c +// 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_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 +{ + // placeholder for unused textures in r_rendertarget_t + TEXTYPE_UNUSED, + + // 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, + + // default compressed type for GLES2 + TEXTYPE_ETC1, + + // 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; + +// contents of this structure are mostly private to gl_textures.c typedef struct rtexture_s { - int useless; + // 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 } rtexture_t; -// uploads a texture -extern rtexture_t *R_LoadTexture (char *identifier, int width, int height, byte *data, int flags); -// returns the renderer dependent texture slot number (call this before each use, as a texture might not have been precached) -extern int R_GetTexture (rtexture_t *rt); -// returns a GL texture slot (only used for lightmaps) -extern int R_GetTextureSlots(int count); +// 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 +