gave names to nearly all structs and enums which should make for better C++ error...

[xonotic/darkplaces.git] / r_textures.h

diff --git a/r_textures.h b/r_textures.h
index d0646392f3e5c509359987ff2dd60c2fe58f8d8b..0fe506befff63ee9e38cde6b1c28051397a816da 100644 (file)
--- a/r_textures.h
+++ b/r_textures.h
@@ -11,33 +11,44 @@
 // upload immediately, never defer (ignore r_textureprecache)
 #define TEXF_ALWAYSPRECACHE 0x00000008
 // allocated as a fragment in a larger texture, mipmap is not allowed with
 // 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)
+// this, mostly used for lightmaps

 #define TEXF_FRAGMENT 0x00000010
 #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
+#define TEXF_PICMIP 0x00000100

 // used for checking if textures mismatch
 // used for checking if textures mismatch

-#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_FRAGMENT)
+#define TEXF_IMPORTANTBITS (TEXF_ALPHA | TEXF_MIPMAP | TEXF_FRAGMENT | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR | TEXF_PICMIP)

 
 

-// 8bit quake paletted
-#define TEXTYPE_QPALETTE 1
+// 8bit paletted
+#define TEXTYPE_PALETTE 1

 // 24bit RGB
 #define TEXTYPE_RGB 2
 // 32bit RGBA
 #define TEXTYPE_RGBA 3
 // 24bit RGB
 #define TEXTYPE_RGB 2
 // 32bit RGBA
 #define TEXTYPE_RGBA 3

+// 16bit DSDT
+#define TEXTYPE_DSDT 4

 
 

-// 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
 }
 rtexture_t;
 
 // contents of this structure are private to gl_textures.c

-typedef struct
+typedef struct rtexturepool_s

 {
        int useless;
 }
 rtexturepool_t;
 
 {
        int useless;
 }
 rtexturepool_t;
 

-// allocate a texture pool, to be used with R_LoadTexture/R_ProceduralTexture
+// 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);
 rtexturepool_t *R_AllocTexturePool(void);
 // free a texture pool (textures can not be freed individually)
 void R_FreeTexturePool(rtexturepool_t **rtexturepool);


@@ -47,24 +58,30 @@ void R_FreeTexturePool(rtexturepool_t **rtexturepool);
 // update system, to get a compliant size, use R_CompatibleFragmentWidth
 int R_CompatibleFragmentWidth(int width, int textype, int flags);
 
 // update system, to get a compliant size, use R_CompatibleFragmentWidth
 int R_CompatibleFragmentWidth(int width, int textype, int flags);
 

-// 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, qbyte *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)(qbyte *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 qbyte *data, int textype, int flags, const unsigned int *palette);
+rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const qbyte *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 qbyte *data, int textype, int flags, const unsigned int *palette);
+rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const qbyte *data, int textype, int flags, const unsigned int *palette);

 
 // free a texture
 void R_FreeTexture(rtexture_t *rt);
 
 
 // free a texture
 void R_FreeTexture(rtexture_t *rt);
 

-// update the image data of a texture, used by lightmap updates and procedural
-// textures.
+// update the image data of a texture, used by lightmap updates and
+// procedural textures.

 void R_UpdateTexture(rtexture_t *rt, qbyte *data);
 
 void R_UpdateTexture(rtexture_t *rt, qbyte *data);
 

-// location of the fragment in the texture (note: any parameter except rt can be NULL)
+// 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);
 void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2);

+void R_FragmentLocation3D(rtexture_t *rt, int *x, int *y, int *z, float *fx1, float *fy1, float *fz1, float *fx2, float *fy2, float *fz2);

 
 

-// 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)) : 0)
+int R_RealGetTexture (rtexture_t *rt);

 
 // returns true if the texture is transparent (useful for rendering code)
 int R_TextureHasAlpha(rtexture_t *rt);
 
 // returns true if the texture is transparent (useful for rendering code)
 int R_TextureHasAlpha(rtexture_t *rt);


@@ -75,5 +92,8 @@ int R_TextureWidth(rtexture_t *rt);
 // returns height of texture, as was specified when it was uploaded
 int R_TextureHeight(rtexture_t *rt);
 
 // returns height of texture, as was specified when it was uploaded
 int R_TextureHeight(rtexture_t *rt);
 

+// frees processing buffers each frame, and may someday animate procedural textures
+void R_Textures_Frame(void);
+

 #endif
 
 #endif