Just assume GL_ARB_texture_non_power_of_two and a number of other extensions are...

[xonotic/darkplaces.git] / gl_textures.c

diff --git a/gl_textures.c b/gl_textures.c
index 9c1f5f171431ff6d0605be33935ff360c74a96dd..80fd30aec7fd26d2c95e854aa442174fd66742bc 100644 (file)
--- a/gl_textures.c
+++ b/gl_textures.c
@@ -205,7 +205,6 @@ typedef struct gltexture_s
        // palette if the texture is TEXTYPE_PALETTE
        const unsigned int *palette;
        // actual stored texture size after gl_picmip and gl_max_size are applied
-       // (power of 2 if vid.support.arb_texture_non_power_of_two is not supported)
        int tilewidth, tileheight, tiledepth;
        // 1 or 6 depending on texturetype
        int sides;
@@ -517,21 +516,9 @@ static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, i
                break;
        }
 
-       if (vid.support.arb_texture_non_power_of_two)
-       {
-               width2 = min(inwidth >> picmip, maxsize);
-               height2 = min(inheight >> picmip, maxsize);
-               depth2 = min(indepth >> picmip, maxsize);
-       }
-       else
-       {
-               for (width2 = 1;width2 < inwidth;width2 <<= 1);
-               for (width2 >>= picmip;width2 > maxsize;width2 >>= 1);
-               for (height2 = 1;height2 < inheight;height2 <<= 1);
-               for (height2 >>= picmip;height2 > maxsize;height2 >>= 1);
-               for (depth2 = 1;depth2 < indepth;depth2 <<= 1);
-               for (depth2 >>= picmip;depth2 > maxsize;depth2 >>= 1);
-       }
+       width2 = min(inwidth >> picmip, maxsize);
+       height2 = min(inheight >> picmip, maxsize);
+       depth2 = min(indepth >> picmip, maxsize);
 
        miplevels = 1;
        if (flags & TEXF_MIPMAP)
@@ -1212,17 +1199,6 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
                }
        }
 
-       if (texturetype == GLTEXTURETYPE_CUBEMAP && !vid.support.arb_texture_cube_map)
-       {
-               Con_Printf ("R_LoadTexture: cubemap texture not supported by driver\n");
-               return NULL;
-       }
-       if (texturetype == GLTEXTURETYPE_3D && !vid.support.ext_texture_3d)
-       {
-               Con_Printf ("R_LoadTexture: 3d texture not supported by driver\n");
-               return NULL;
-       }
-
        texinfo = R_GetTexTypeInfo(textype, flags);
        size = width * height * depth * sides * texinfo->inputbytesperpixel;
        if (size < 1)
@@ -1598,7 +1574,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        unsigned char *dds;
        fs_offset_t ddsfilesize;
        unsigned int ddssize;
-       qboolean force_swdecode, npothack;
+       qboolean force_swdecode;
 #ifdef __ANDROID__
        // ELUAN: FIXME: separate this code
        char vabuf[1024];
@@ -1919,17 +1895,9 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        }
 
        force_swdecode = false;
-       npothack = 
-               (!vid.support.arb_texture_non_power_of_two &&
-                       (
-                               (dds_width & (dds_width - 1))
-                               ||
-                               (dds_height & (dds_height - 1))
-                       )
-               );
        if(bytesperblock)
        {
-               if(vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc && !npothack)
+               if(vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc)
                {
                        if(r_texture_dds_swdecode.integer > 1)
                                force_swdecode = true;
@@ -2207,12 +2175,6 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        glt->tiledepth = 1;
        glt->miplevels = dds_miplevels;
 
-       if(npothack)
-       {
-               for (glt->tilewidth = 1;glt->tilewidth < mipwidth;glt->tilewidth <<= 1);
-               for (glt->tileheight = 1;glt->tileheight < mipheight;glt->tileheight <<= 1);
-       }
-
        // texture uploading can take a while, so make sure we're sending keepalives
        CL_KeepaliveMessage(false);
 
@@ -2241,19 +2203,6 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
                if (mippixels + mipsize > mippixels_start + mipsize_total)
                        break;
-               if(npothack)
-               {
-                       upload_mipwidth = (glt->tilewidth >> mip);
-                       upload_mipheight = (glt->tileheight >> mip);
-                       if(upload_mipwidth != mipwidth || upload_mipheight != mipheight)
-                       // I _think_ they always mismatch, but I was too lazy
-                       // to properly check, and this test here is really
-                       // harmless
-                       {
-                               upload_mippixels = (unsigned char *) Mem_Alloc(tempmempool, 4 * upload_mipwidth * upload_mipheight);
-                               Image_Resample32(mippixels, mipwidth, mipheight, 1, upload_mippixels, upload_mipwidth, upload_mipheight, 1, r_lerpimages.integer);
-                       }
-               }
                switch(vid.renderpath)
                {
                case RENDERPATH_GL20: