]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_textures.c
FS_LoadFile: don't segfault when trying to open a non-regular file
[xonotic/darkplaces.git] / gl_textures.c
index ab18e72271794160ee7f984896670c4287334066..e5d35a9ac4f264221550d8e6f9a48632c1fd57bc 100644 (file)
@@ -11,12 +11,12 @@ cvar_t r_precachetextures = {CVAR_SAVE, "r_precachetextures", "1", "0 = never up
 cvar_t gl_texture_anisotropy = {CVAR_SAVE, "gl_texture_anisotropy", "1", "anisotropic filtering quality (if supported by hardware), 1 sample (no anisotropy) and 8 sample (8 tap anisotropy) are recommended values"};
 cvar_t gl_texturecompression = {CVAR_SAVE, "gl_texturecompression", "0", "whether to compress textures, a value of 0 disables compression (even if the individual cvars are 1), 1 enables fast (low quality) compression at startup, 2 enables slow (high quality) compression at startup"};
 cvar_t gl_texturecompression_color = {CVAR_SAVE, "gl_texturecompression_color", "1", "whether to compress colormap (diffuse) textures"};
-cvar_t gl_texturecompression_normal = {CVAR_SAVE, "gl_texturecompression_normal", "1", "whether to compress normalmap (normalmap) textures"};
+cvar_t gl_texturecompression_normal = {CVAR_SAVE, "gl_texturecompression_normal", "0", "whether to compress normalmap (normalmap) textures"};
 cvar_t gl_texturecompression_gloss = {CVAR_SAVE, "gl_texturecompression_gloss", "1", "whether to compress glossmap (specular) textures"};
 cvar_t gl_texturecompression_glow = {CVAR_SAVE, "gl_texturecompression_glow", "1", "whether to compress glowmap (luma) textures"};
-cvar_t gl_texturecompression_2d = {CVAR_SAVE, "gl_texturecompression_2d", "1", "whether to compress 2d (hud/menu) textures other than the font"};
-cvar_t gl_texturecompression_q3bsplightmaps = {CVAR_SAVE, "gl_texturecompression_q3bsplightmaps", "1", "whether to compress lightmaps in q3bsp format levels"};
-cvar_t gl_texturecompression_q3bspdeluxemaps = {CVAR_SAVE, "gl_texturecompression_q3bspdeluxemaps", "1", "whether to compress deluxemaps in q3bsp format levels (only levels compiled with q3map2 -deluxe have these)"};
+cvar_t gl_texturecompression_2d = {CVAR_SAVE, "gl_texturecompression_2d", "0", "whether to compress 2d (hud/menu) textures other than the font"};
+cvar_t gl_texturecompression_q3bsplightmaps = {CVAR_SAVE, "gl_texturecompression_q3bsplightmaps", "0", "whether to compress lightmaps in q3bsp format levels"};
+cvar_t gl_texturecompression_q3bspdeluxemaps = {CVAR_SAVE, "gl_texturecompression_q3bspdeluxemaps", "0", "whether to compress deluxemaps in q3bsp format levels (only levels compiled with q3map2 -deluxe have these)"};
 cvar_t gl_texturecompression_sky = {CVAR_SAVE, "gl_texturecompression_sky", "0", "whether to compress sky textures"};
 cvar_t gl_texturecompression_lightcubemaps = {CVAR_SAVE, "gl_texturecompression_lightcubemaps", "1", "whether to compress light cubemaps (spotlights and other light projection images)"};
 
@@ -226,7 +226,7 @@ void R_MarkDirtyTexture(rtexture_t *rt) {
        if( !glt->dirtytexnum && glt->flags & GLTEXF_DYNAMIC ) {
                glt->dirtytexnum = glt->texnum;
                // mark it as dirty, so R_RealGetTexture gets called
-               glt->texnum = -1;
+               glt->texnum = 0;
        }
 }
 
@@ -308,7 +308,7 @@ void R_FreeTexture(rtexture_t *rt)
        else
                Host_Error("R_FreeTexture: texture \"%s\" not linked in pool", glt->identifier);
 
-       if (glt->texnum)
+       if (!(glt->flags & GLTEXF_UPLOAD))
        {
                CHECKGLERROR
                qglDeleteTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
@@ -798,16 +798,19 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                for (depth  = 1;depth  < glt->inputdepth ;depth  <<= 1);
        }
 
-       if (prevbuffer != NULL)
+       R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
+       R_MakeResizeBufferBigger(fragwidth * fragheight * fragdepth * glt->sides * glt->bytesperpixel);
+
+       if (prevbuffer == NULL)
        {
-               R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
-               R_MakeResizeBufferBigger(fragwidth * fragheight * fragdepth * glt->sides * glt->bytesperpixel);
-               if (glt->textype->textype == TEXTYPE_PALETTE)
-               {
-                       // promote paletted to BGRA, so we only have to worry about BGRA in the rest of this code
-                       Image_Copy8bitBGRA(prevbuffer, colorconvertbuffer, fragwidth * fragheight * fragdepth * glt->sides, glt->palette);
-                       prevbuffer = colorconvertbuffer;
-               }
+               memset(resizebuffer, 0, fragwidth * fragheight * fragdepth * glt->bytesperpixel);
+               prevbuffer = resizebuffer;
+       }
+       else if (glt->textype->textype == TEXTYPE_PALETTE)
+       {
+               // promote paletted to BGRA, so we only have to worry about BGRA in the rest of this code
+               Image_Copy8bitBGRA(prevbuffer, colorconvertbuffer, fragwidth * fragheight * fragdepth * glt->sides, glt->palette);
+               prevbuffer = colorconvertbuffer;
        }
 
        if ((glt->flags & (TEXF_MIPMAP | TEXF_PICMIP | GLTEXF_UPLOAD)) == 0 && glt->inputwidth == glt->tilewidth && glt->inputheight == glt->tileheight && glt->inputdepth == glt->tiledepth)
@@ -838,7 +841,7 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                glt->flags &= ~GLTEXF_UPLOAD;
 
                // cubemaps contain multiple images and thus get processed a bit differently
-               if ((prevbuffer != NULL) && (glt->texturetype != GLTEXTURETYPE_CUBEMAP))
+               if (glt->texturetype != GLTEXTURETYPE_CUBEMAP)
                {
                        if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
                        {
@@ -869,11 +872,8 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                        {
                                while (width > 1 || height > 1 || depth > 1)
                                {
-                                       if (prevbuffer != NULL)
-                                       {
-                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
-                                               prevbuffer = resizebuffer;
-                                       }
+                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                       prevbuffer = resizebuffer;
                                        qglTexImage1D(GL_TEXTURE_1D, mip++, glt->glinternalformat, width, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
                                }
                        }
@@ -884,11 +884,8 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                        {
                                while (width > 1 || height > 1 || depth > 1)
                                {
-                                       if (prevbuffer != NULL)
-                                       {
-                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
-                                               prevbuffer = resizebuffer;
-                                       }
+                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                       prevbuffer = resizebuffer;
                                        qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
                                }
                        }
@@ -899,11 +896,8 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                        {
                                while (width > 1 || height > 1 || depth > 1)
                                {
-                                       if (prevbuffer != NULL)
-                                       {
-                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
-                                               prevbuffer = resizebuffer;
-                                       }
+                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                       prevbuffer = resizebuffer;
                                        qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
                                }
                        }
@@ -911,24 +905,21 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                case GLTEXTURETYPE_CUBEMAP:
                        // convert and upload each side in turn,
                        // from a continuous block of input texels
-                       texturebuffer = prevbuffer ? (unsigned char *)prevbuffer : NULL;
+                       texturebuffer = (unsigned char *)prevbuffer;
                        for (i = 0;i < 6;i++)
                        {
                                prevbuffer = texturebuffer;
-                               if (prevbuffer != NULL)
+                               texturebuffer += glt->inputwidth * glt->inputheight * glt->inputdepth * glt->textype->inputbytesperpixel;
+                               if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
                                {
-                                       texturebuffer += glt->inputwidth * glt->inputheight * glt->inputdepth * glt->textype->inputbytesperpixel;
-                                       if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
-                                       {
-                                               Image_Resample32(prevbuffer, glt->inputwidth, glt->inputheight, glt->inputdepth, resizebuffer, width, height, depth, r_lerpimages.integer);
-                                               prevbuffer = resizebuffer;
-                                       }
-                                       // picmip/max_size
-                                       while (width > glt->tilewidth || height > glt->tileheight || depth > glt->tiledepth)
-                                       {
-                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
-                                               prevbuffer = resizebuffer;
-                                       }
+                                       Image_Resample32(prevbuffer, glt->inputwidth, glt->inputheight, glt->inputdepth, resizebuffer, width, height, depth, r_lerpimages.integer);
+                                       prevbuffer = resizebuffer;
+                               }
+                               // picmip/max_size
+                               while (width > glt->tilewidth || height > glt->tileheight || depth > glt->tiledepth)
+                               {
+                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
+                                       prevbuffer = resizebuffer;
                                }
                                mip = 0;
                                qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
@@ -936,11 +927,8 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                                {
                                        while (width > 1 || height > 1 || depth > 1)
                                        {
-                                               if (prevbuffer != NULL)
-                                               {
-                                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
-                                                       prevbuffer = resizebuffer;
-                                               }
+                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                               prevbuffer = resizebuffer;
                                                qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
                                        }
                                }
@@ -1059,7 +1047,7 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
        glt->glformat = texinfo->glformat;
        glt->bytesperpixel = texinfo->internalbytesperpixel;
        glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
-       glt->texnum = -1;
+       glt->texnum = 0;
        // init the dynamic texture attributes, too [11/22/2007 Black]
        glt->dirtytexnum = 0;
        glt->updatecallback = NULL;
@@ -1131,3 +1119,9 @@ void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, in
        R_Upload(glt, data, x, y, 0, width, height, 1);
 }
 
+void R_ClearTexture (rtexture_t *rt)
+{
+       gltexture_t *glt = (gltexture_t *)rt;
+
+       R_Upload( glt, NULL, 0, 0, 0, glt->tilewidth, glt->tileheight, glt->tiledepth );
+}