X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_textures.h;h=f31460acf139365b25de55bde9f03e2eae069a9f;hp=3684133f4c9bca1560ab406e98407cb1749c058a;hb=ad0206e3d383e1f61887081b9dc80ba7a5a6cdb0;hpb=f3118886042f1a39e3945f3a5ff0b6587cd347d1

diff --git a/r_textures.h b/r_textures.h
index 3684133f..f31460ac 100644
--- a/r_textures.h
+++ b/r_textures.h
@@ -1,4 +1,7 @@
 
+#ifndef R_TEXTURES_H
+#define R_TEXTURES_H
+
 // transparent
 #define TEXF_ALPHA 0x00000001
 // mipmapped
@@ -7,58 +10,85 @@
 #define TEXF_PRECACHE 0x00000004
 // upload immediately, never defer (ignore r_textureprecache)
 #define TEXF_ALWAYSPRECACHE 0x00000008
-// allocated as a fragment in a larger texture, mipmap is not allowed with
-// this, mostly used for lightmaps (which are procedural textures)
-#define TEXF_FRAGMENT 0x00000010
+// 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
+#define TEXF_PERSISTENT 0x00000400
 // used for checking if textures mismatch
-#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_FRAGMENT)
+#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR | TEXF_PICMIP | TEXF_COMPRESS)
 
-// 8bit quake paletted
-#define TEXTYPE_QPALETTE 1
-// 24bit RGB
-#define TEXTYPE_RGB 2
-// 32bit RGBA
-#define TEXTYPE_RGBA 3
+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,
+}
+textype_t;
 
-// contents of this structure are private to gl_textures.c
-typedef struct
+// 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;
 }
 rtexture_t;
 
 // contents of this structure are private to gl_textures.c
-typedef struct
+typedef struct rtexturepool_s
 {
 	int useless;
 }
 rtexturepool_t;
 
-// allocate a texture pool, to be used with R_LoadTexture/R_ProceduralTexture
+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);
 
-// important technical note:
-// fragment textures must have a width that is compatible with the fragment
-// update system, to get a compliant size, use R_CompatibleFragmentWidth
-int R_CompatibleFragmentWidth(int width, int textype, int flags);
+// 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;
 
-// these two functions add a texture to a pool, and may precache (upload) it
-// a normal static texture
-rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, byte *data, int textype, int flags);
-// a procedurally generated texture, often animated over time, note: generate can be NULL (for odd uses)
-rtexture_t *R_ProceduralTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, int textype, int flags, int (*generate)(byte *buffer, int width, int height, void *parameterdata, int parameterdatasize), void *parameterdata, int parameterdatasize);
+// 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, 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);
 
-// update the image data of a texture, used by lightmap updates and procedural
-// textures.
-void R_UpdateTexture(rtexture_t *rt, byte *data);
+// free a texture
+void R_FreeTexture(rtexture_t *rt);
 
-// location of the fragment in the texture (note: any parameter except rt can be NULL)
-void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2);
+// 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, 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, or it might change over time if it is procedural)
-int R_GetTexture (rtexture_t *rt);
+// 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)
+int R_RealGetTexture (rtexture_t *rt);
 
 // returns true if the texture is transparent (useful for rendering code)
 int R_TextureHasAlpha(rtexture_t *rt);
@@ -68,3 +98,20 @@ int R_TextureWidth(rtexture_t *rt);
 
 // 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
+