#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
+#define TEXF_PERSISTENT 0x00000400
+// indicates texture should use GL_COMPARE_R_TO_TEXTURE mode
+#define TEXF_COMPARE 0x00000800
// used for checking if textures mismatch
-#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR | TEXF_PICMIP)
+#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR | TEXF_PICMIP | TEXF_COMPRESS | TEXF_COMPARE)
-// 8bit paletted
-#define TEXTYPE_PALETTE 1
-// 24bit RGB
-#define TEXTYPE_RGB 2
-// 32bit RGBA
-#define TEXTYPE_RGBA 3
-// 16bit DSDT
-#define TEXTYPE_DSDT 4
+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,
+ // 32bit S8D24 (24bit depth, 8bit stencil unused)
+ TEXTYPE_SHADOWMAP,
+ // 32bit L16A16
+ TEXTYPE_PROJECTION
+}
+textype_t;
// contents of this structure are mostly private to gl_textures.c
typedef struct rtexture_s
}
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;
+
// 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_LoadTexture1D(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, int textype, int flags, const unsigned int *palette);
-rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, int textype, int flags, const unsigned int *palette);
-rtexture_t *R_LoadTexture3D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, const unsigned char *data, int textype, int flags, const unsigned int *palette);
-rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, int textype, int flags, const unsigned int *palette);
+rtexture_t *R_LoadTexture1D(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, textype_t textype, int flags, const unsigned int *palette);
+rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, textype_t textype, int flags, 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, 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, const unsigned int *palette);
+rtexture_t *R_LoadTextureShadowMapRectangle(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, qboolean filter);
+rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, qboolean filter);
+rtexture_t *R_LoadTextureShadowMapCube(rtexturepool_t *rtexturepool, const char *identifier, int width, qboolean filter);
+rtexture_t *R_LoadTextureCubeProjection(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int size, int border);
// 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.
-void R_UpdateTexture(rtexture_t *rt, unsigned char *data, int x, int y, int width, int height);
+void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, int width, int height);
// 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)->texnum >= 0 ? (rt)->texnum : R_RealGetTexture(rt)) : r_texture_white->texnum)
+#define R_GetTexture(rt) ((rt) ? ((rt)->texnum > 0 ? (rt)->texnum : R_RealGetTexture(rt)) : r_texture_white->texnum)
int R_RealGetTexture (rtexture_t *rt);
// returns true if the texture is transparent (useful for rendering code)
// returns height of texture, as was specified when it was uploaded
int R_TextureHeight(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);
+
#endif
projects / xonotic / darkplaces.git / blobdiff