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 4b52c76d70fa608ec25b9cb90877ad4c3b076a7a..0fe506befff63ee9e38cde6b1c28051397a816da 100644 (file)
--- a/r_textures.h
+++ b/r_textures.h
@@ -13,25 +13,36 @@
 // allocated as a fragment in a larger texture, mipmap is not allowed with
 // this, mostly used for lightmaps
 #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
-#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
+// 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
-typedef struct
+typedef struct rtexturepool_s
 {
        int useless;
 }
@@ -49,7 +60,11 @@ int R_CompatibleFragmentWidth(int width, int textype, int flags);
 
 // add a texture to a pool and optionally precache (upload) it
 // (note: data == NULL is perfectly acceptable)
-rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, qbyte *data, int textype, int flags);
+// (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);
@@ -61,10 +76,12 @@ void R_UpdateTexture(rtexture_t *rt, qbyte *data);
 // 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_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)
-int R_GetTexture (rtexture_t *rt);
+#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);
@@ -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);
 
+// frees processing buffers each frame, and may someday animate procedural textures
+void R_Textures_Frame(void);
+
 #endif