]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_textures.c
cvar: r_texture_dds_load_dxt1_noalpha; if set, DXT1 alpha detection is disabled,...
[xonotic/darkplaces.git] / gl_textures.c
index 67301b1c9eb56d74b06e1eea7aee7b4dad5315e9..a44e3a29b948c73b536bdd660e62cade7600e7aa 100644 (file)
@@ -1,5 +1,9 @@
 
 #include "quakedef.h"
+#ifdef SUPPORTD3D
+#include <d3d9.h>
+extern LPDIRECT3DDEVICE9 vid_d3d9dev;
+#endif
 #include "image.h"
 #include "jpeg.h"
 #include "image_png.h"
@@ -27,11 +31,22 @@ cvar_t gl_texturecompression_sky = {CVAR_SAVE, "gl_texturecompression_sky", "0",
 cvar_t gl_texturecompression_lightcubemaps = {CVAR_SAVE, "gl_texturecompression_lightcubemaps", "1", "whether to compress light cubemaps (spotlights and other light projection images)"};
 cvar_t gl_texturecompression_reflectmask = {CVAR_SAVE, "gl_texturecompression_reflectmask", "1", "whether to compress reflection cubemap masks (mask of which areas of the texture should reflect the generic shiny cubemap)"};
 cvar_t gl_nopartialtextureupdates = {CVAR_SAVE, "gl_nopartialtextureupdates", "1", "use alternate path for dynamic lightmap updates that avoids a possibly slow code path in the driver"};
+cvar_t r_texture_dds_load_dxt1_noalpha = {0, "r_texture_dds_load_dxt1_noalpha", "0", "if set, alpha detection on DXT1 is turned off, and DXT1 textures are assumed to never have alpha"};
 
 qboolean       gl_filter_force = false;
 int            gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
 int            gl_filter_mag = GL_LINEAR;
 
+#ifdef SUPPORTD3D
+int d3d_filter_flatmin = D3DTEXF_LINEAR;
+int d3d_filter_flatmag = D3DTEXF_LINEAR;
+int d3d_filter_flatmix = D3DTEXF_POINT;
+int d3d_filter_mipmin = D3DTEXF_LINEAR;
+int d3d_filter_mipmag = D3DTEXF_LINEAR;
+int d3d_filter_mipmix = D3DTEXF_LINEAR;
+int d3d_filter_nomip = false;
+#endif
+
 
 static mempool_t *texturemempool;
 static memexpandablearray_t texturearray;
@@ -104,6 +119,22 @@ typedef struct gltexture_s
        int texnum; // GL texture slot number
        qboolean dirty; // indicates that R_RealGetTexture should be called
        int gltexturetypeenum; // used by R_Mesh_TexBind
+       // d3d stuff the backend needs
+       void *d3dtexture;
+#ifdef SUPPORTD3D
+       int d3dformat;
+       int d3dusage;
+       int d3dpool;
+       int d3daddressu;
+       int d3daddressv;
+       int d3daddressw;
+       int d3dmagfilter;
+       int d3dminfilter;
+       int d3dmipfilter;
+       int d3dmaxmiplevelfilter;
+       int d3dmipmaplodbias;
+       int d3dmaxmiplevel;
+#endif
 
        // dynamic texture stuff [11/22/2007 Black]
        updatecallback_t updatecallback;
@@ -143,6 +174,8 @@ typedef struct gltexture_s
        int tilewidth, tileheight, tiledepth;
        // 1 or 6 depending on texturetype
        int sides;
+       // how many mipmap levels in this texture
+       int miplevels;
        // bytes per pixel
        int bytesperpixel;
        // GL_RGB or GL_RGBA or GL_DEPTH_COMPONENT
@@ -323,6 +356,25 @@ static glmode_t modes[6] =
        {"GL_LINEAR_MIPMAP_LINEAR", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR}
 };
 
+#ifdef SUPPORTD3D
+typedef struct d3dmode_s
+{
+       char *name;
+       int m1, m2;
+}
+d3dmode_t;
+
+static d3dmode_t d3dmodes[6] =
+{
+       {"GL_NEAREST", D3DTEXF_POINT, D3DTEXF_POINT},
+       {"GL_LINEAR", D3DTEXF_LINEAR, D3DTEXF_POINT},
+       {"GL_NEAREST_MIPMAP_NEAREST", D3DTEXF_POINT, D3DTEXF_POINT},
+       {"GL_LINEAR_MIPMAP_NEAREST", D3DTEXF_LINEAR, D3DTEXF_POINT},
+       {"GL_NEAREST_MIPMAP_LINEAR", D3DTEXF_POINT, D3DTEXF_LINEAR},
+       {"GL_LINEAR_MIPMAP_LINEAR", D3DTEXF_LINEAR, D3DTEXF_LINEAR}
+};
+#endif
+
 static void GL_TextureMode_f (void)
 {
        int i;
@@ -358,37 +410,88 @@ static void GL_TextureMode_f (void)
        gl_filter_mag = modes[i].magnification;
        gl_filter_force = ((Cmd_Argc() > 2) && !strcasecmp(Cmd_Argv(2), "force"));
 
-       // change all the existing mipmap texture objects
-       // FIXME: force renderer(/client/something?) restart instead?
-       CHECKGLERROR
-       GL_ActiveTexture(0);
-       for (pool = gltexturepoolchain;pool;pool = pool->next)
+       switch(vid.renderpath)
        {
-               for (glt = pool->gltchain;glt;glt = glt->chain)
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               // change all the existing mipmap texture objects
+               // FIXME: force renderer(/client/something?) restart instead?
+               CHECKGLERROR
+               GL_ActiveTexture(0);
+               for (pool = gltexturepoolchain;pool;pool = pool->next)
                {
-                       // only update already uploaded images
-                       if (glt->texnum && (gl_filter_force || !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR))))
+                       for (glt = pool->gltchain;glt;glt = glt->chain)
                        {
-                               oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
-                               qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
-                               if (glt->flags & TEXF_MIPMAP)
+                               // only update already uploaded images
+                               if (glt->texnum && (gl_filter_force || !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR))))
                                {
-                                       qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_min);CHECKGLERROR
+                                       oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
+                                       qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
+                                       if (glt->flags & TEXF_MIPMAP)
+                                       {
+                                               qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_min);CHECKGLERROR
+                                       }
+                                       else
+                                       {
+                                               qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_mag);CHECKGLERROR
+                                       }
+                                       qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
+                                       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
                                }
-                               else
+                       }
+               }
+               break;
+       case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+               d3d_filter_flatmin = d3dmodes[i].m1;
+               d3d_filter_flatmag = d3dmodes[i].m1;
+               d3d_filter_flatmix = D3DTEXF_POINT;
+               d3d_filter_mipmin = d3dmodes[i].m1;
+               d3d_filter_mipmag = d3dmodes[i].m1;
+               d3d_filter_mipmix = d3dmodes[i].m2;
+               d3d_filter_nomip = i < 2;
+               if (gl_texture_anisotropy.integer > 1 && i == 5)
+                       d3d_filter_mipmin = d3d_filter_mipmag = D3DTEXF_ANISOTROPIC;
+               for (pool = gltexturepoolchain;pool;pool = pool->next)
+               {
+                       for (glt = pool->gltchain;glt;glt = glt->chain)
+                       {
+                               // only update already uploaded images
+                               if (glt->d3dtexture && (gl_filter_force || !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR))))
                                {
-                                       qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_mag);CHECKGLERROR
+                                       if (glt->flags & TEXF_MIPMAP)
+                                       {
+                                               glt->d3dminfilter = d3d_filter_mipmin;
+                                               glt->d3dmagfilter = d3d_filter_mipmag;
+                                               glt->d3dmipfilter = d3d_filter_mipmix;
+                                               glt->d3dmaxmiplevelfilter = 0;
+                                       }
+                                       else
+                                       {
+                                               glt->d3dminfilter = d3d_filter_flatmin;
+                                               glt->d3dmagfilter = d3d_filter_flatmag;
+                                               glt->d3dmipfilter = d3d_filter_flatmix;
+                                               glt->d3dmaxmiplevelfilter = 0;
+                                       }
                                }
-                               qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
-                               qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
                        }
                }
+#endif
+               break;
+       case RENDERPATH_D3D10:
+               Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       case RENDERPATH_D3D11:
+               Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
        }
 }
 
-static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, int inwidth, int inheight, int indepth, int *outwidth, int *outheight, int *outdepth)
+static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, int inwidth, int inheight, int indepth, int *outwidth, int *outheight, int *outdepth, int *outmiplevels)
 {
-       int picmip = 0, maxsize = 0, width2 = 1, height2 = 1, depth2 = 1;
+       int picmip = 0, maxsize = 0, width2 = 1, height2 = 1, depth2 = 1, miplevels = 1;
 
        switch (texturetype)
        {
@@ -442,6 +545,16 @@ static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, i
                }
                *outdepth = max(1, depth2);
        }
+
+       miplevels = 1;
+       if (flags & TEXF_MIPMAP)
+       {
+               int extent = max(width2, max(height2, depth2));
+               while(extent >>= 1)
+                       miplevels++;
+       }
+       if (outmiplevels)
+               *outmiplevels = miplevels;
 }
 
 
@@ -449,7 +562,7 @@ static int R_CalcTexelDataSize (gltexture_t *glt)
 {
        int width2, height2, depth2, size;
 
-       GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &width2, &height2, &depth2);
+       GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &width2, &height2, &depth2, NULL);
 
        size = width2 * height2 * depth2;
 
@@ -524,10 +637,26 @@ static void R_TextureStats_f(void)
 
 static void r_textures_start(void)
 {
-       // LordHavoc: allow any alignment
-       CHECKGLERROR
-       qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);CHECKGLERROR
-       qglPixelStorei(GL_PACK_ALIGNMENT, 1);CHECKGLERROR
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               // LordHavoc: allow any alignment
+               CHECKGLERROR
+               qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);CHECKGLERROR
+               qglPixelStorei(GL_PACK_ALIGNMENT, 1);CHECKGLERROR
+               break;
+       case RENDERPATH_D3D9:
+               break;
+       case RENDERPATH_D3D10:
+               Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       case RENDERPATH_D3D11:
+               Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       }
 
        texturemempool = Mem_AllocPool("texture management", 0, NULL);
        Mem_ExpandableArray_NewArray(&texturearray, texturemempool, sizeof(gltexture_t), 512);
@@ -563,6 +692,94 @@ static void r_textures_newmap(void)
 {
 }
 
+static void r_textures_devicelost(void)
+{
+       int i, endindex;
+       gltexture_t *glt;
+       endindex = Mem_ExpandableArray_IndexRange(&texturearray);
+       for (i = 0;i < endindex;i++)
+       {
+               glt = (gltexture_t *) Mem_ExpandableArray_RecordAtIndex(&texturearray, i);
+               if (!glt || !(glt->flags & TEXF_RENDERTARGET))
+                       continue;
+               switch(vid.renderpath)
+               {
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
+                       break;
+               case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+                       if (glt->tiledepth > 1)
+                               IDirect3DVolumeTexture9_Release((IDirect3DVolumeTexture9 *)glt->d3dtexture);
+                       else if (glt->sides == 6)
+                               IDirect3DCubeTexture9_Release((IDirect3DCubeTexture9 *)glt->d3dtexture);
+                       else
+                               IDirect3DTexture9_Release((IDirect3DTexture9 *)glt->d3dtexture);
+                       glt->d3dtexture = NULL;
+#endif
+                       break;
+               case RENDERPATH_D3D10:
+                       Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               case RENDERPATH_D3D11:
+                       Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               }
+       }
+}
+
+static void r_textures_devicerestored(void)
+{
+       int i, endindex;
+       gltexture_t *glt;
+       endindex = Mem_ExpandableArray_IndexRange(&texturearray);
+       for (i = 0;i < endindex;i++)
+       {
+               glt = (gltexture_t *) Mem_ExpandableArray_RecordAtIndex(&texturearray, i);
+               if (!glt || !(glt->flags & TEXF_RENDERTARGET))
+                       continue;
+               switch(vid.renderpath)
+               {
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
+                       break;
+               case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+                       {
+                               HRESULT d3dresult;
+                               if (glt->tiledepth > 1)
+                               {
+                                       if (FAILED(d3dresult = IDirect3DDevice9_CreateVolumeTexture(vid_d3d9dev, glt->tilewidth, glt->tileheight, glt->tiledepth, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DVolumeTexture9 **)&glt->d3dtexture, NULL)))
+                                               Sys_Error("IDirect3DDevice9_CreateVolumeTexture failed!");
+                               }
+                               else if (glt->sides == 6)
+                               {
+                                       if (FAILED(d3dresult = IDirect3DDevice9_CreateCubeTexture(vid_d3d9dev, glt->tilewidth, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DCubeTexture9 **)&glt->d3dtexture, NULL)))
+                                               Sys_Error("IDirect3DDevice9_CreateCubeTexture failed!");
+                               }
+                               else
+                               {
+                                       if (FAILED(d3dresult = IDirect3DDevice9_CreateTexture(vid_d3d9dev, glt->tilewidth, glt->tileheight, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DTexture9 **)&glt->d3dtexture, NULL)))
+                                               Sys_Error("IDirect3DDevice9_CreateTexture failed!");
+                               }
+                       }
+#endif
+                       break;
+               case RENDERPATH_D3D10:
+                       Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               case RENDERPATH_D3D11:
+                       Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               }
+       }
+}
+
+
 void R_Textures_Init (void)
 {
        Cmd_AddCommand("gl_texturemode", &GL_TextureMode_f, "set texture filtering mode (GL_NEAREST, GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, etc); an additional argument 'force' forces the texture mode even in cases where it may not be appropriate");
@@ -589,8 +806,9 @@ void R_Textures_Init (void)
        Cvar_RegisterVariable (&gl_texturecompression_lightcubemaps);
        Cvar_RegisterVariable (&gl_texturecompression_reflectmask);
        Cvar_RegisterVariable (&gl_nopartialtextureupdates);
+       Cvar_RegisterVariable (&r_texture_dds_load_dxt1_noalpha);
 
-       R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap);
+       R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap, r_textures_devicelost, r_textures_devicerestored);
 }
 
 void R_Textures_Frame (void)
@@ -623,23 +841,35 @@ void R_Textures_Frame (void)
 
                Cvar_SetValueQuick(&gl_texture_anisotropy, old_aniso);
 
-               CHECKGLERROR
-               GL_ActiveTexture(0);
-               for (pool = gltexturepoolchain;pool;pool = pool->next)
+               switch(vid.renderpath)
                {
-                       for (glt = pool->gltchain;glt;glt = glt->chain)
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
+                       CHECKGLERROR
+                       GL_ActiveTexture(0);
+                       for (pool = gltexturepoolchain;pool;pool = pool->next)
                        {
-                               // only update already uploaded images
-                               if (glt->texnum && (glt->flags & TEXF_MIPMAP) == TEXF_MIPMAP)
+                               for (glt = pool->gltchain;glt;glt = glt->chain)
                                {
-                                       oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
+                                       // only update already uploaded images
+                                       if (glt->texnum && (glt->flags & TEXF_MIPMAP) == TEXF_MIPMAP)
+                                       {
+                                               oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
 
-                                       qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
-                                       qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_ANISOTROPY_EXT, old_aniso);CHECKGLERROR
+                                               qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
+                                               qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_ANISOTROPY_EXT, old_aniso);CHECKGLERROR
 
-                                       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
+                                               qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
+                                       }
                                }
                        }
+                       break;
+               case RENDERPATH_D3D9:
+               case RENDERPATH_D3D10:
+               case RENDERPATH_D3D11:
+                       break;
                }
        }
 }
@@ -749,16 +979,28 @@ static void GL_SetupTextureParameters(int flags, textype_t textype, int texturet
 static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int fragy, int fragz, int fragwidth, int fragheight, int fragdepth)
 {
        int i, mip, width, height, depth;
-       GLint oldbindtexnum;
+       GLint oldbindtexnum = 0;
        const unsigned char *prevbuffer;
        prevbuffer = data;
 
-       CHECKGLERROR
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               CHECKGLERROR
 
-       // we need to restore the texture binding after finishing the upload
-       GL_ActiveTexture(0);
-       oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
-       qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
+               // we need to restore the texture binding after finishing the upload
+               GL_ActiveTexture(0);
+               oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
+               qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
+               break;
+       case RENDERPATH_D3D9:
+       case RENDERPATH_D3D10:
+       case RENDERPATH_D3D11:
+               break;
+       }
 
        // these are rounded up versions of the size to do better resampling
        if (vid.support.arb_texture_non_power_of_two || glt->texturetype == GLTEXTURETYPE_RECTANGLE)
@@ -794,16 +1036,42 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
        if ((glt->flags & (TEXF_MIPMAP | TEXF_PICMIP)) == 0 && glt->inputwidth == glt->tilewidth && glt->inputheight == glt->tileheight && glt->inputdepth == glt->tiledepth && (fragx != 0 || fragy != 0 || fragwidth != glt->tilewidth || fragheight != glt->tileheight))
        {
                // update a portion of the image
-               switch(glt->texturetype)
+               if (glt->texturetype != GLTEXTURETYPE_2D)
+                       Sys_Error("R_Upload: partial update of type other than 2D");
+               switch(vid.renderpath)
                {
-               case GLTEXTURETYPE_2D:
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
                        qglTexSubImage2D(GL_TEXTURE_2D, 0, fragx, fragy, fragwidth, fragheight, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
+                       break;
+               case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+                       {
+                               RECT d3drect;
+                               D3DLOCKED_RECT d3dlockedrect;
+                               int y;
+                               memset(&d3drect, 0, sizeof(d3drect));
+                               d3drect.left = fragx;
+                               d3drect.top = fragy;
+                               d3drect.right = fragx+fragwidth;
+                               d3drect.bottom = fragy+fragheight;
+                               if (IDirect3DTexture9_LockRect((IDirect3DTexture9*)glt->d3dtexture, 0, &d3dlockedrect, &d3drect, 0) == D3D_OK && d3dlockedrect.pBits)
+                               {
+                                       for (y = 0;y < fragheight;y++)
+                                               memcpy((unsigned char *)d3dlockedrect.pBits + d3dlockedrect.Pitch * y, (unsigned char *)prevbuffer + fragwidth*glt->bytesperpixel * y, fragwidth*glt->bytesperpixel);
+                                       IDirect3DTexture9_UnlockRect((IDirect3DTexture9*)glt->d3dtexture, 0);
+                               }
+                       }
+#endif
                        break;
-               case GLTEXTURETYPE_3D:
-                       qglTexSubImage3D(GL_TEXTURE_3D, 0, fragx, fragy, fragz, fragwidth, fragheight, fragdepth, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+               case RENDERPATH_D3D10:
+                       Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
                        break;
-               default:
-                       Host_Error("R_Upload: partial update of type other than 2D");
+               case RENDERPATH_D3D11:
+                       Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
                        break;
                }
        }
@@ -828,79 +1096,241 @@ static void R_Upload(gltexture_t *glt, const unsigned char *data, int fragx, int
                        }
                }
                mip = 0;
-               if (qglGetCompressedTexImageARB)
-               {
-                       if (gl_texturecompression.integer >= 2)
-                               qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_NICEST);
-                       else
-                               qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_FASTEST);
-                       CHECKGLERROR
-               }
-               switch(glt->texturetype)
+               switch(vid.renderpath)
                {
-               case GLTEXTURETYPE_2D:
-                       qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
-                       if (glt->flags & TEXF_MIPMAP)
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
+                       if (qglGetCompressedTexImageARB)
                        {
-                               while (width > 1 || height > 1 || depth > 1)
-                               {
-                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
-                                       prevbuffer = resizebuffer;
-                                       qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
-                               }
-                       }
-                       break;
-               case GLTEXTURETYPE_3D:
-                       qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
-                       if (glt->flags & TEXF_MIPMAP)
-                       {
-                               while (width > 1 || height > 1 || depth > 1)
-                               {
-                                       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, glt->gltype, prevbuffer);CHECKGLERROR
-                               }
+                               if (gl_texturecompression.integer >= 2)
+                                       qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_NICEST);
+                               else
+                                       qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_FASTEST);
+                               CHECKGLERROR
                        }
-                       break;
-               case GLTEXTURETYPE_CUBEMAP:
-                       // convert and upload each side in turn,
-                       // from a continuous block of input texels
-                       texturebuffer = (unsigned char *)prevbuffer;
-                       for (i = 0;i < 6;i++)
+                       switch(glt->texturetype)
                        {
-                               prevbuffer = texturebuffer;
-                               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)
+                       case GLTEXTURETYPE_2D:
+                               qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                               if (glt->flags & TEXF_MIPMAP)
                                {
-                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
-                                       prevbuffer = resizebuffer;
+                                       while (width > 1 || height > 1 || depth > 1)
+                                       {
+                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                               prevbuffer = resizebuffer;
+                                               qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                                       }
                                }
-                               mip = 0;
-                               qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                               break;
+                       case GLTEXTURETYPE_3D:
+                               qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
                                if (glt->flags & TEXF_MIPMAP)
                                {
                                        while (width > 1 || height > 1 || depth > 1)
                                        {
                                                Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
                                                prevbuffer = resizebuffer;
-                                               qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                                               qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                                       }
+                               }
+                               break;
+                       case GLTEXTURETYPE_CUBEMAP:
+                               // convert and upload each side in turn,
+                               // from a continuous block of input texels
+                               texturebuffer = (unsigned char *)prevbuffer;
+                               for (i = 0;i < 6;i++)
+                               {
+                                       prevbuffer = texturebuffer;
+                                       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;
+                                       }
+                                       mip = 0;
+                                       qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                                       if (glt->flags & TEXF_MIPMAP)
+                                       {
+                                               while (width > 1 || height > 1 || depth > 1)
+                                               {
+                                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                                       prevbuffer = resizebuffer;
+                                                       qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
+                                               }
                                        }
                                }
+                               break;
+                       case GLTEXTURETYPE_RECTANGLE:
+                               qglTexImage2D(GL_TEXTURE_RECTANGLE_ARB, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, NULL);CHECKGLERROR
+                               break;
                        }
+                       GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
+                       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
                        break;
-               case GLTEXTURETYPE_RECTANGLE:
-                       qglTexImage2D(GL_TEXTURE_RECTANGLE_ARB, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, NULL);CHECKGLERROR
+               case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+                       if (!(glt->flags & TEXF_RENDERTARGET))
+                       {
+                               D3DLOCKED_RECT d3dlockedrect;
+                               D3DLOCKED_BOX d3dlockedbox;
+                               switch(glt->texturetype)
+                               {
+                               case GLTEXTURETYPE_2D:
+                                       if (IDirect3DTexture9_LockRect((IDirect3DTexture9*)glt->d3dtexture, mip, &d3dlockedrect, NULL, 0) == D3D_OK && d3dlockedrect.pBits)
+                                       {
+                                               if (prevbuffer)
+                                                       memcpy(d3dlockedrect.pBits, prevbuffer, width*height*glt->bytesperpixel);
+                                               else
+                                                       memset(d3dlockedrect.pBits, 255, width*height*glt->bytesperpixel);
+                                               IDirect3DTexture9_UnlockRect((IDirect3DTexture9*)glt->d3dtexture, mip);
+                                       }
+                                       mip++;
+                                       if ((glt->flags & TEXF_MIPMAP) && prevbuffer)
+                                       {
+                                               while (width > 1 || height > 1 || depth > 1)
+                                               {
+                                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                                       prevbuffer = resizebuffer;
+                                                       if (IDirect3DTexture9_LockRect((IDirect3DTexture9*)glt->d3dtexture, mip, &d3dlockedrect, NULL, 0) == D3D_OK && d3dlockedrect.pBits)
+                                                       {
+                                                               memcpy(d3dlockedrect.pBits, prevbuffer, width*height*glt->bytesperpixel);
+                                                               IDirect3DTexture9_UnlockRect((IDirect3DTexture9*)glt->d3dtexture, mip);
+                                                       }
+                                                       mip++;
+                                               }
+                                       }
+                                       break;
+                               case GLTEXTURETYPE_3D:
+                                       if (IDirect3DVolumeTexture9_LockBox((IDirect3DVolumeTexture9*)glt->d3dtexture, mip, &d3dlockedbox, NULL, 0) == D3D_OK && d3dlockedbox.pBits)
+                                       {
+                                               // we are not honoring the RowPitch or SlicePitch, hopefully this works with all sizes
+                                               memcpy(d3dlockedbox.pBits, prevbuffer, width*height*depth*glt->bytesperpixel);
+                                               IDirect3DVolumeTexture9_UnlockBox((IDirect3DVolumeTexture9*)glt->d3dtexture, mip);
+                                       }
+                                       mip++;
+                                       if (glt->flags & TEXF_MIPMAP)
+                                       {
+                                               while (width > 1 || height > 1 || depth > 1)
+                                               {
+                                                       Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                                       prevbuffer = resizebuffer;
+                                                       if (IDirect3DVolumeTexture9_LockBox((IDirect3DVolumeTexture9*)glt->d3dtexture, mip, &d3dlockedbox, NULL, 0) == D3D_OK && d3dlockedbox.pBits)
+                                                       {
+                                                               // we are not honoring the RowPitch or SlicePitch, hopefully this works with all sizes
+                                                               memcpy(d3dlockedbox.pBits, prevbuffer, width*height*depth*glt->bytesperpixel);
+                                                               IDirect3DVolumeTexture9_UnlockBox((IDirect3DVolumeTexture9*)glt->d3dtexture, mip);
+                                                       }
+                                                       mip++;
+                                               }
+                                       }
+                                       break;
+                               case GLTEXTURETYPE_CUBEMAP:
+                                       // convert and upload each side in turn,
+                                       // from a continuous block of input texels
+                                       texturebuffer = (unsigned char *)prevbuffer;
+                                       for (i = 0;i < 6;i++)
+                                       {
+                                               prevbuffer = texturebuffer;
+                                               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;
+                                               }
+                                               mip = 0;
+                                               if (IDirect3DCubeTexture9_LockRect((IDirect3DCubeTexture9*)glt->d3dtexture, (D3DCUBEMAP_FACES)i, mip, &d3dlockedrect, NULL, 0) == D3D_OK && d3dlockedrect.pBits)
+                                               {
+                                                       memcpy(d3dlockedrect.pBits, prevbuffer, width*height*glt->bytesperpixel);
+                                                       IDirect3DCubeTexture9_UnlockRect((IDirect3DCubeTexture9*)glt->d3dtexture, (D3DCUBEMAP_FACES)i, mip);
+                                               }
+                                               mip++;
+                                               if (glt->flags & TEXF_MIPMAP)
+                                               {
+                                                       while (width > 1 || height > 1 || depth > 1)
+                                                       {
+                                                               Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
+                                                               prevbuffer = resizebuffer;
+                                                               if (IDirect3DCubeTexture9_LockRect((IDirect3DCubeTexture9*)glt->d3dtexture, (D3DCUBEMAP_FACES)i, mip, &d3dlockedrect, NULL, 0) == D3D_OK && d3dlockedrect.pBits)
+                                                               {
+                                                                       memcpy(d3dlockedrect.pBits, prevbuffer, width*height*glt->bytesperpixel);
+                                                                       IDirect3DCubeTexture9_UnlockRect((IDirect3DCubeTexture9*)glt->d3dtexture, (D3DCUBEMAP_FACES)i, mip);
+                                                               }
+                                                               mip++;
+                                                       }
+                                               }
+                                       }
+                                       break;
+                               case GLTEXTURETYPE_RECTANGLE:
+                                       Sys_Error("Direct3D does not have RECTANGLE textures\n");
+                                       break;
+                               }
+                       }
+                       glt->d3daddressw = 0;
+                       if (glt->flags & TEXF_CLAMP)
+                       {
+                               glt->d3daddressu = D3DTADDRESS_CLAMP;
+                               glt->d3daddressv = D3DTADDRESS_CLAMP;
+                               if (glt->tiledepth > 1)
+                                       glt->d3daddressw = D3DTADDRESS_CLAMP;
+                       }
+                       else
+                       {
+                               glt->d3daddressu = D3DTADDRESS_WRAP;
+                               glt->d3daddressv = D3DTADDRESS_WRAP;
+                               if (glt->tiledepth > 1)
+                                       glt->d3daddressw = D3DTADDRESS_WRAP;
+                       }
+                       glt->d3dmipmaplodbias = 0;
+                       glt->d3dmaxmiplevel = 0;
+                       glt->d3dmaxmiplevelfilter = d3d_filter_nomip ? 0 : glt->d3dmaxmiplevel;
+                       if (glt->flags & TEXF_FORCELINEAR)
+                       {
+                               glt->d3dminfilter = D3DTEXF_LINEAR;
+                               glt->d3dmagfilter = D3DTEXF_LINEAR;
+                               glt->d3dmipfilter = D3DTEXF_POINT;
+                       }
+                       else if (glt->flags & TEXF_FORCENEAREST)
+                       {
+                               glt->d3dminfilter = D3DTEXF_POINT;
+                               glt->d3dmagfilter = D3DTEXF_POINT;
+                               glt->d3dmipfilter = D3DTEXF_POINT;
+                       }
+                       else if (glt->flags & TEXF_MIPMAP)
+                       {
+                               glt->d3dminfilter = d3d_filter_mipmin;
+                               glt->d3dmagfilter = d3d_filter_mipmag;
+                               glt->d3dmipfilter = d3d_filter_mipmix;
+                       }
+                       else
+                       {
+                               glt->d3dminfilter = d3d_filter_flatmin;
+                               glt->d3dmagfilter = d3d_filter_flatmag;
+                               glt->d3dmipfilter = d3d_filter_flatmix;
+                       }
+#endif
+                       break;
+               case RENDERPATH_D3D10:
+                       Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               case RENDERPATH_D3D11:
+                       Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
                        break;
                }
-               GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
        }
-       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
 }
 
 static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, int sides, int flags, int miplevel, textype_t textype, int texturetype, const unsigned char *data, const unsigned int *palette)
@@ -909,6 +1339,7 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
        gltexture_t *glt;
        gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
        textypeinfo_t *texinfo, *texinfo2;
+       unsigned char *temppixels = NULL;
 
        if (cls.state == ca_dedicated)
                return NULL;
@@ -937,6 +1368,17 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
                return NULL;
        }
 
+       if (textype == TEXTYPE_RGBA)
+       {
+               // swap bytes
+               static int rgbaswapindices[4] = {2, 1, 0, 3};
+               textype = TEXTYPE_BGRA;
+               texinfo = R_GetTexTypeInfo(textype, flags);
+               temppixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * depth * sides * 4);
+               Image_CopyMux(temppixels, data, width, height*depth*sides, false, false, false, 4, 4, rgbaswapindices);
+               data = temppixels;
+       }
+
        // clear the alpha flag if the texture has no transparent pixels
        switch(textype)
        {
@@ -991,7 +1433,7 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
                flags |= TEXF_ALPHA;
                break;
        default:
-               Host_Error("R_LoadTexture: unknown texture type");
+               Sys_Error("R_LoadTexture: unknown texture type");
        }
 
        texinfo2 = R_GetTexTypeInfo(textype, flags);
@@ -1027,18 +1469,83 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
        glt->updatecallback = NULL;
        glt->updatacallback_data = NULL;
 
-       GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
+       GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth, &glt->miplevels);
 
        // upload the texture
        // data may be NULL (blank texture for dynamic rendering)
-       CHECKGLERROR
-       qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               CHECKGLERROR
+               qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
+               break;
+       case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+               {
+                       D3DFORMAT d3dformat;
+                       D3DPOOL d3dpool;
+                       DWORD d3dusage;
+                       HRESULT d3dresult;
+                       d3dusage = 0;
+                       d3dpool = D3DPOOL_MANAGED;
+                       if (flags & TEXF_RENDERTARGET)
+                       {
+                               d3dusage |= D3DUSAGE_RENDERTARGET;
+                               d3dpool = D3DPOOL_DEFAULT;
+                       }
+                       switch(textype)
+                       {
+                       case TEXTYPE_PALETTE: d3dformat = (flags & TEXF_ALPHA) ? D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8;break;
+                       case TEXTYPE_RGBA: d3dformat = (flags & TEXF_ALPHA) ? D3DFMT_A8B8G8R8 : D3DFMT_X8B8G8R8;break;
+                       case TEXTYPE_BGRA: d3dformat = (flags & TEXF_ALPHA) ? D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8;break;
+                       case TEXTYPE_COLORBUFFER: d3dformat = (flags & TEXF_ALPHA) ? D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8;break;
+                       case TEXTYPE_SHADOWMAP: d3dformat = D3DFMT_D16;d3dusage = D3DUSAGE_DEPTHSTENCIL;break; // note: can not use D3DUSAGE_RENDERTARGET here
+                       case TEXTYPE_ALPHA: d3dformat = D3DFMT_A8;break;
+                       default: d3dformat = D3DFMT_A8R8G8B8;Sys_Error("R_LoadTexture: unsupported texture type %i when picking D3DFMT", (int)textype);break;
+                       }
+                       glt->d3dformat = d3dformat;
+                       glt->d3dusage = d3dusage;
+                       glt->d3dpool = d3dpool;
+                       if (glt->tiledepth > 1)
+                       {
+                               if (FAILED(d3dresult = IDirect3DDevice9_CreateVolumeTexture(vid_d3d9dev, glt->tilewidth, glt->tileheight, glt->tiledepth, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DVolumeTexture9 **)&glt->d3dtexture, NULL)))
+                                       Sys_Error("IDirect3DDevice9_CreateVolumeTexture failed!");
+                       }
+                       else if (glt->sides == 6)
+                       {
+                               if (FAILED(d3dresult = IDirect3DDevice9_CreateCubeTexture(vid_d3d9dev, glt->tilewidth, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DCubeTexture9 **)&glt->d3dtexture, NULL)))
+                                       Sys_Error("IDirect3DDevice9_CreateCubeTexture failed!");
+                       }
+                       else
+                       {
+                               if (FAILED(d3dresult = IDirect3DDevice9_CreateTexture(vid_d3d9dev, glt->tilewidth, glt->tileheight, glt->miplevels, glt->d3dusage, (D3DFORMAT)glt->d3dformat, (D3DPOOL)glt->d3dpool, (IDirect3DTexture9 **)&glt->d3dtexture, NULL)))
+                                       Sys_Error("IDirect3DDevice9_CreateTexture failed!");
+                       }
+               }
+#endif
+               break;
+       case RENDERPATH_D3D10:
+               Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       case RENDERPATH_D3D11:
+               Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       }
+
        R_Upload(glt, data, 0, 0, 0, glt->inputwidth, glt->inputheight, glt->inputdepth);
        if ((glt->flags & TEXF_ALLOWUPDATES) && gl_nopartialtextureupdates.integer)
-               glt->bufferpixels = Mem_Alloc(texturemempool, glt->tilewidth*glt->tileheight*glt->tiledepth*glt->sides*glt->bytesperpixel);
+               glt->bufferpixels = (unsigned char *)Mem_Alloc(texturemempool, glt->tilewidth*glt->tileheight*glt->tiledepth*glt->sides*glt->bytesperpixel);
+
+       // free any temporary processing buffer we allocated...
+       if (temppixels)
+               Mem_Free(temppixels);
 
        // texture converting and uploading can take a while, so make sure we're sending keepalives
-       CL_KeepaliveMessage(false);
+       // FIXME: this causes rendering during R_Shadow_DrawLights
+//     CL_KeepaliveMessage(false);
 
        return (rtexture_t *)glt;
 }
@@ -1065,7 +1572,7 @@ rtexture_t *R_LoadTextureRectangle(rtexturepool_t *rtexturepool, const char *ide
 
 static int R_ShadowMapTextureFlags(int precision, qboolean filter)
 {
-       int flags = TEXF_CLAMP;
+       int flags = TEXF_RENDERTARGET | TEXF_CLAMP;
        if (filter)
                flags |= TEXF_FORCELINEAR | TEXF_COMPARE;
        else
@@ -1152,7 +1659,7 @@ int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipunco
                mipinfo[mip][3] = ddssize;
                ddssize += mipinfo[mip][2];
        }
-       dds = Mem_Alloc(tempmempool, ddssize);
+       dds = (unsigned char *)Mem_Alloc(tempmempool, ddssize);
        if (!dds)
                return -4;
        dds_caps1 = 0x1000; // DDSCAPS_TEXTURE
@@ -1208,7 +1715,7 @@ int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipunco
        return ret ? ddssize : -5;
 }
 
-rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, int flags, qboolean *hasalphaflag, float *avgcolor)
+rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, int flags, qboolean *hasalphaflag, float *avgcolor, int miplevel) // DDS textures are opaque, so miplevel isn't a pointer but just seen as a hint
 {
        int i, size, dds_format_flags, dds_miplevels, dds_width, dds_height;
        //int dds_flags;
@@ -1220,7 +1727,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        textypeinfo_t *texinfo;
        int mip, mipwidth, mipheight, mipsize;
        unsigned int c;
-       GLint oldbindtexnum;
+       GLint oldbindtexnum = 0;
        const unsigned char *mippixels, *ddspixels;
        unsigned char *dds;
        fs_offset_t ddsfilesize;
@@ -1252,7 +1759,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        dds_height = BuffLittleLong(dds+12);
        ddspixels = dds + 128;
 
-       flags &= ~TEXF_ALPHA;
+       //flags &= ~TEXF_ALPHA; // disabled, as we DISABLE TEXF_ALPHA in the alpha detection, not enable it!
        if ((dds_format_flags & 0x40) && BuffLittleLong(dds+88) == 32)
        {
                // very sloppy BGRA 32bit identification
@@ -1289,13 +1796,20 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                        Con_Printf("^1%s: invalid DXT1 DDS image\n", filename);
                        return NULL;
                }
-               for (i = 0;i < size;i += bytesperblock)
-                       if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
-                               break;
-               if (i < size)
-                       textype = TEXTYPE_DXT1A;
-               else
+               if(r_texture_dds_load_dxt1_noalpha.integer)
+               {
                        flags &= ~TEXF_ALPHA;
+               }
+               else
+               {
+                       for (i = 0;i < size;i += bytesperblock)
+                               if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
+                                       break;
+                       if (i < size)
+                               textype = TEXTYPE_DXT1A;
+                       else
+                               flags &= ~TEXF_ALPHA;
+               }
        }
        else if (!memcmp(dds+84, "DXT3", 4))
        {
@@ -1371,7 +1885,29 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                }
        }
 
-       if (dds_miplevels > 1)
+       // this is where we apply gl_picmip
+       mippixels = ddspixels;
+       mipwidth = dds_width;
+       mipheight = dds_height;
+       while(miplevel >= 1 && dds_miplevels >= 1)
+       {
+               if (mipwidth <= 1 && mipheight <= 1)
+                       break;
+               mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
+               mippixels += mipsize; // just skip
+               --dds_miplevels;
+               --miplevel;
+               if (mipwidth > 1)
+                       mipwidth >>= 1;
+               if (mipheight > 1)
+                       mipheight >>= 1;
+       }
+
+       // when not requesting mipmaps, do not load them
+       if(!(flags & TEXF_MIPMAP))
+               dds_miplevels = 0;
+
+       if (dds_miplevels >= 1)
                flags |= TEXF_MIPMAP;
        else
                flags &= ~TEXF_MIPMAP;
@@ -1391,8 +1927,8 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        glt->pool = pool;
        glt->chain = pool->gltchain;
        pool->gltchain = glt;
-       glt->inputwidth = dds_width;
-       glt->inputheight = dds_height;
+       glt->inputwidth = mipwidth;
+       glt->inputheight = mipheight;
        glt->inputdepth = 1;
        glt->flags = flags;
        glt->textype = texinfo;
@@ -1404,36 +1940,98 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        glt->bytesperpixel = texinfo->internalbytesperpixel;
        glt->sides = 1;
        glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
-       glt->tilewidth = dds_width;
-       glt->tileheight = dds_height;
+       glt->tilewidth = mipwidth;
+       glt->tileheight = mipheight;
        glt->tiledepth = 1;
+       glt->miplevels = dds_miplevels;
 
        // texture uploading can take a while, so make sure we're sending keepalives
        CL_KeepaliveMessage(false);
 
+       // create the texture object
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               CHECKGLERROR
+               GL_ActiveTexture(0);
+               oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
+               qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
+               qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
+               break;
+       case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+               {
+                       D3DFORMAT d3dformat;
+                       D3DPOOL d3dpool;
+                       DWORD d3dusage;
+                       switch(textype)
+                       {
+                       case TEXTYPE_BGRA: d3dformat = (flags & TEXF_ALPHA) ? D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8;break;
+                       case TEXTYPE_DXT1: case TEXTYPE_DXT1A: d3dformat = D3DFMT_DXT1;break;
+                       case TEXTYPE_DXT3: d3dformat = D3DFMT_DXT3;break;
+                       case TEXTYPE_DXT5: d3dformat = D3DFMT_DXT5;break;
+                       default: d3dformat = D3DFMT_A8R8G8B8;Host_Error("R_LoadTextureDDSFile: unsupported texture type %i when picking D3DFMT", (int)textype);break;
+                       }
+                       d3dusage = 0;
+                       d3dpool = D3DPOOL_MANAGED;
+                       IDirect3DDevice9_CreateTexture(vid_d3d9dev, glt->tilewidth, glt->tileheight, glt->miplevels, d3dusage, d3dformat, d3dpool, (IDirect3DTexture9 **)&glt->d3dtexture, NULL);
+               }
+#endif
+               break;
+       case RENDERPATH_D3D10:
+               Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       case RENDERPATH_D3D11:
+               Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       }
+
        // upload the texture
        // we need to restore the texture binding after finishing the upload
-       CHECKGLERROR
-       GL_ActiveTexture(0);
-       oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
-       qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
-       qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
-       mippixels = ddspixels;
-       mipwidth = dds_width;
-       mipheight = dds_height;
        mipcomplete = false;
-       for (mip = 0;mip < dds_miplevels+1;mip++)
+
+       for (mip = 0;mip <= dds_miplevels;mip++) // <= to include the not-counted "largest" miplevel
        {
                mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
                if (mippixels + mipsize > dds + ddssize)
                        break;
-               if (bytesperblock)
-               {
-                       qglCompressedTexImage2DARB(GL_TEXTURE_2D, mip, glt->glinternalformat, mipwidth, mipheight, 0, mipsize, mippixels);CHECKGLERROR
-               }
-               else
+               switch(vid.renderpath)
                {
-                       qglTexImage2D(GL_TEXTURE_2D, mip, glt->glinternalformat, mipwidth, mipheight, 0, glt->glformat, glt->gltype, mippixels);CHECKGLERROR
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+               case RENDERPATH_CGGL:
+                       if (bytesperblock)
+                       {
+                               qglCompressedTexImage2DARB(GL_TEXTURE_2D, mip, glt->glinternalformat, mipwidth, mipheight, 0, mipsize, mippixels);CHECKGLERROR
+                       }
+                       else
+                       {
+                               qglTexImage2D(GL_TEXTURE_2D, mip, glt->glinternalformat, mipwidth, mipheight, 0, glt->glformat, glt->gltype, mippixels);CHECKGLERROR
+                       }
+                       break;
+               case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+                       {
+                               D3DLOCKED_RECT d3dlockedrect;
+                               if (IDirect3DTexture9_LockRect((IDirect3DTexture9*)glt->d3dtexture, mip, &d3dlockedrect, NULL, 0) == D3D_OK && d3dlockedrect.pBits)
+                               {
+                                       memcpy(d3dlockedrect.pBits, mippixels, mipsize);
+                                       IDirect3DTexture9_UnlockRect((IDirect3DTexture9*)glt->d3dtexture, mip);
+                               }
+                               break;
+                       }
+#endif
+                       break;
+               case RENDERPATH_D3D10:
+                       Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
+               case RENDERPATH_D3D11:
+                       Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+                       break;
                }
                mippixels += mipsize;
                if (mipwidth <= 1 && mipheight <= 1)
@@ -1446,13 +2044,63 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                if (mipheight > 1)
                        mipheight >>= 1;
        }
-       if (dds_miplevels > 1 && !mipcomplete)
+
+       // after upload we have to set some parameters...
+       switch(vid.renderpath)
        {
-               // need to set GL_TEXTURE_MAX_LEVEL
-               qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               if (dds_miplevels >= 1 && !mipcomplete)
+               {
+                       // need to set GL_TEXTURE_MAX_LEVEL
+                       qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
+               }
+               GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
+               qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
+               break;
+       case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+               glt->d3daddressw = 0;
+               if (glt->flags & TEXF_CLAMP)
+               {
+                       glt->d3daddressu = D3DTADDRESS_CLAMP;
+                       glt->d3daddressv = D3DTADDRESS_CLAMP;
+                       if (glt->tiledepth > 1)
+                               glt->d3daddressw = D3DTADDRESS_CLAMP;
+               }
+               else
+               {
+                       glt->d3daddressu = D3DTADDRESS_WRAP;
+                       glt->d3daddressv = D3DTADDRESS_WRAP;
+                       if (glt->tiledepth > 1)
+                               glt->d3daddressw = D3DTADDRESS_WRAP;
+               }
+               glt->d3dmipmaplodbias = 0;
+               glt->d3dmaxmiplevel = 0;
+               glt->d3dmaxmiplevelfilter = 0;
+               if (glt->flags & TEXF_MIPMAP)
+               {
+                       glt->d3dminfilter = d3d_filter_mipmin;
+                       glt->d3dmagfilter = d3d_filter_mipmag;
+                       glt->d3dmipfilter = d3d_filter_mipmix;
+               }
+               else
+               {
+                       glt->d3dminfilter = d3d_filter_flatmin;
+                       glt->d3dmagfilter = d3d_filter_flatmag;
+                       glt->d3dmipfilter = d3d_filter_flatmix;
+               }
+#endif
+               break;
+       case RENDERPATH_D3D10:
+               Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
+       case RENDERPATH_D3D11:
+               Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+               break;
        }
-       GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
-       qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
 
        Mem_Free(dds);
        return (rtexture_t *)glt;
@@ -1475,8 +2123,11 @@ void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, in
                Host_Error("R_UpdateTexture: no data supplied");
        if (glt == NULL)
                Host_Error("R_UpdateTexture: no texture supplied");
-       if (!glt->texnum)
-               Host_Error("R_UpdateTexture: texture has not been uploaded yet");
+       if (!glt->texnum && !glt->d3dtexture)
+       {
+               Con_Printf("R_UpdateTexture: texture %p \"%s\" in pool %p has not been uploaded yet", glt, glt->identifier, glt->pool);
+               return;
+       }
        // update part of the texture
        if (glt->bufferpixels)
        {
@@ -1564,5 +2215,5 @@ int R_PicmipForFlags(int flags)
                else
                        miplevel += gl_picmip_other.integer;
        }
-       return miplevel;
+       return max(0, miplevel);
 }