]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rsurf.c
optimizations to surface rendering setup
[xonotic/darkplaces.git] / gl_rsurf.c
index 5bcf8fb3ca763825f71c6132b03ac74b7265f418..912b48f17997a4d5f229efa5e590e7615194f1ca 100644 (file)
@@ -50,10 +50,11 @@ Combine and scale multiple lightmaps into the 8.8 format in blocklights
 */
 void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
 {
-       int smax, tmax, i, j, size, size3, maps, l;
-       unsigned int *bl, scale;
+       int smax, tmax, i, size, size3, maps, l;
+       int *bl, scale;
        unsigned char *lightmap, *out, *stain;
-       static unsigned int intblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
+       model_t *model = ent->model;
+       static int intblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
        static unsigned char templight[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*4];
 
        // update cached lighting info
@@ -67,7 +68,7 @@ void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
 
 // set to full bright if no light data
        bl = intblocklights;
-       if (!ent->model->brushq1.lightdata)
+       if (!model->brushq1.lightdata)
        {
                for (i = 0;i < size3;i++)
                        bl[i] = 255*256;
@@ -75,16 +76,13 @@ void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
        else
        {
 // clear to no light
-               memset(bl, 0, size*3*sizeof(unsigned int));
+               memset(bl, 0, size3*sizeof(*bl));
 
 // add all the lightmaps
                if (lightmap)
-               {
-                       bl = intblocklights;
                        for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++, lightmap += size3)
                                for (scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[maps]], i = 0;i < size3;i++)
                                        bl[i] += lightmap[i] * scale;
-               }
        }
 
        stain = surface->lightmapinfo->stainsamples;
@@ -94,33 +92,80 @@ void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
        // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
        // be doubled during rendering to achieve 2x overbright
        // (0 = 0.0, 128 = 1.0, 256 = 2.0)
-       if (ent->model->brushq1.lightmaprgba)
+       if (model->brushq1.lightmaprgba)
        {
-               for (i = 0;i < tmax;i++)
+               for (i = 0;i < size;i++)
                {
-                       for (j = 0;j < smax;j++)
-                       {
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                               *out++ = 255;
-                       }
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+                       *out++ = 255;
                }
        }
        else
        {
-               for (i = 0;i < tmax;i++)
+               for (i = 0;i < size;i++)
                {
-                       for (j = 0;j < smax;j++)
-                       {
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                               l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
-                       }
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+                       l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
                }
        }
 
        R_UpdateTexture(surface->lightmaptexture, templight, surface->lightmapinfo->lightmaporigin[0], surface->lightmapinfo->lightmaporigin[1], smax, tmax);
+
+       // update the surface's deluxemap if it has one
+       if (surface->deluxemaptexture != r_texture_blanknormalmap)
+       {
+               vec3_t n;
+               unsigned char *normalmap = surface->lightmapinfo->nmapsamples;
+               lightmap = surface->lightmapinfo->samples;
+               // clear to no normalmap
+               bl = intblocklights;
+               memset(bl, 0, size3*sizeof(*bl));
+               // add all the normalmaps
+               if (lightmap && normalmap)
+               {
+                       for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++, lightmap += size3, normalmap += size3)
+                       {
+                               for (scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[maps]], i = 0;i < size;i++)
+                               {
+                                       // add the normalmap with weighting proportional to the style's lightmap intensity
+                                       l = (int)(VectorLength(lightmap + i*3) * scale);
+                                       bl[i*3+0] += ((int)normalmap[i*3+0] - 128) * l;
+                                       bl[i*3+1] += ((int)normalmap[i*3+1] - 128) * l;
+                                       bl[i*3+2] += ((int)normalmap[i*3+2] - 128) * l;
+                               }
+                       }
+               }
+               bl = intblocklights;
+               out = templight;
+               // we simply renormalize the weighted normals to get a valid deluxemap
+               if (model->brushq1.lightmaprgba)
+               {
+                       for (i = 0;i < size;i++, bl += 3)
+                       {
+                               VectorCopy(bl, n);
+                               VectorNormalize(n);
+                               l = (int)(n[0] * 128 + 128);*out++ = bound(0, l, 255);
+                               l = (int)(n[1] * 128 + 128);*out++ = bound(0, l, 255);
+                               l = (int)(n[2] * 128 + 128);*out++ = bound(0, l, 255);
+                               *out++ = 255;
+                       }
+               }
+               else
+               {
+                       for (i = 0;i < size;i++, bl += 3)
+                       {
+                               VectorCopy(bl, n);
+                               VectorNormalize(n);
+                               l = (int)(n[0] * 128 + 128);*out++ = bound(0, l, 255);
+                               l = (int)(n[1] * 128 + 128);*out++ = bound(0, l, 255);
+                               l = (int)(n[2] * 128 + 128);*out++ = bound(0, l, 255);
+                       }
+               }
+               R_UpdateTexture(surface->deluxemaptexture, templight, surface->lightmapinfo->lightmaporigin[0], surface->lightmapinfo->lightmaporigin[1], smax, tmax);
+       }
 }
 
 void R_StainNode (mnode_t *node, model_t *model, const vec3_t origin, float radius, const float fcolor[8])
@@ -351,36 +396,6 @@ static void R_DrawPortals(void)
        }
 }
 
-static void R_DrawCollisionBrush(colbrushf_t *brush)
-{
-       int i;
-       rmeshstate_t m;
-       memset(&m, 0, sizeof(m));
-       m.pointer_vertex = brush->points->v;
-       R_Mesh_State(&m);
-       i = (int)(((size_t)brush) / sizeof(colbrushf_t));
-       GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
-       GL_LockArrays(0, brush->numpoints);
-       R_Mesh_Draw(0, brush->numpoints, brush->numtriangles, brush->elements);
-       GL_LockArrays(0, 0);
-}
-
-static void R_DrawCollisionSurface(entity_render_t *ent, msurface_t *surface)
-{
-       int i;
-       rmeshstate_t m;
-       if (!surface->num_collisiontriangles)
-               return;
-       memset(&m, 0, sizeof(m));
-       m.pointer_vertex = surface->data_collisionvertex3f;
-       R_Mesh_State(&m);
-       i = (int)(((size_t)surface) / sizeof(msurface_t));
-       GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
-       GL_LockArrays(0, surface->num_collisionvertices);
-       R_Mesh_Draw(0, surface->num_collisionvertices, surface->num_collisiontriangles, surface->data_collisionelement3i);
-       GL_LockArrays(0, 0);
-}
-
 void R_WorldVisibility(void)
 {
        int i, j, *mark;
@@ -503,24 +518,6 @@ void R_Q1BSP_Draw(entity_render_t *ent)
        if (model == NULL)
                return;
        R_DrawSurfaces(ent, false);
-       if (r_showcollisionbrushes.integer && model->brush.num_brushes && !r_showtrispass)
-       {
-               int i;
-               msurface_t *surface;
-               q3mbrush_t *brush;
-               R_Mesh_Matrix(&ent->matrix);
-               GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
-               GL_DepthMask(false);
-               GL_DepthTest(!r_showdisabledepthtest.integer);
-               qglPolygonOffset(r_showcollisionbrushes_polygonfactor.value, r_showcollisionbrushes_polygonoffset.value);
-               for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
-                       if (brush->colbrushf && brush->colbrushf->numtriangles)
-                               R_DrawCollisionBrush(brush->colbrushf);
-               for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
-                       if (surface->num_collisiontriangles)
-                               R_DrawCollisionSurface(ent, surface);
-               qglPolygonOffset(0, 0);
-       }
 }
 
 typedef struct r_q1bsp_getlightinfo_s
@@ -704,12 +701,6 @@ void R_Q1BSP_CompileShadowVolume(entity_render_t *ent, vec3_t relativelightorigi
        r_shadow_compilingrtlight->static_meshchain_shadow = Mod_ShadowMesh_Finish(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, false, false);
 }
 
-extern float *rsurface_vertex3f;
-extern float *rsurface_svector3f;
-extern float *rsurface_tvector3f;
-extern float *rsurface_normal3f;
-extern void RSurf_SetVertexPointer(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg, qboolean generatenormals, qboolean generatetangents);
-
 void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs)
 {
        model_t *model = ent->model;
@@ -717,9 +708,9 @@ void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin,
        int surfacelistindex;
        float projectdistance = lightradius + model->radius*2 + r_shadow_projectdistance.value;
        vec3_t modelorg;
-       texture_t *texture;
+       texture_t *texture, *currentexture = NULL;
        // check the box in modelspace, it was already checked in worldspace
-       if (!BoxesOverlap(ent->model->normalmins, ent->model->normalmaxs, lightmins, lightmaxs))
+       if (!BoxesOverlap(model->normalmins, model->normalmaxs, lightmins, lightmaxs))
                return;
        R_UpdateAllTextureInfo(ent);
        if (model->brush.shadowmesh)
@@ -739,20 +730,26 @@ void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin,
        }
        else
        {
-               projectdistance = lightradius + ent->model->radius*2;
+               projectdistance = lightradius + model->radius*2;
                Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
                for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
                {
                        surface = model->data_surfaces + surfacelist[surfacelistindex];
-                       // FIXME: get current skin
-                       texture = surface->texture;//R_FetchAliasSkin(ent, surface->groupmesh);
+                       texture = surface->texture->currentframe;
                        if (texture->currentmaterialflags & (MATERIALFLAG_NODRAW | MATERIALFLAG_TRANSPARENT) || !surface->num_triangles)
                                continue;
-                       RSurf_SetVertexPointer(ent, texture, surface, modelorg, false, false);
+                       if (currentexture != texture)
+                       {
+                               currentexture = texture;
+                               RSurf_PrepareForBatch(ent, texture, modelorg);
+                               RSurf_SetPointersForPass(false, false);
+                       }
+                       if (rsurface_dynamicvertex)
+                               RSurf_PrepareDynamicSurfaceVertices(surface);
                        // identify lit faces within the bounding box
-                       R_Shadow_PrepareShadowMark(surface->groupmesh->num_triangles);
-                       R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
-                       R_Shadow_VolumeFromList(surface->groupmesh->num_vertices, surface->groupmesh->num_triangles, rsurface_vertex3f, surface->groupmesh->data_element3i, surface->groupmesh->data_neighbor3i, relativelightorigin, projectdistance, numshadowmark, shadowmarklist);
+                       R_Shadow_PrepareShadowMark(model->surfmesh.num_triangles);
+                       R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface_vertex3f, model->surfmesh.data_element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
+                       R_Shadow_VolumeFromList(model->surfmesh.num_vertices, model->surfmesh.num_triangles, rsurface_vertex3f, model->surfmesh.data_element3i, model->surfmesh.data_neighbor3i, relativelightorigin, projectdistance, numshadowmark, shadowmarklist);
                }
        }
 }
@@ -774,6 +771,7 @@ static void R_Q1BSP_DrawLight_TransparentCallback(const entity_render_t *ent, in
 static void R_Q1BSP_DrawLight_TransparentBatch(const entity_render_t *ent, texture_t *texture, int batchnumsurfaces, msurface_t **batchsurfacelist)
 {
        int batchsurfaceindex;
+       model_t *model = ent->model;
        msurface_t *batchsurface;
        vec3_t tempcenter, center;
        for (batchsurfaceindex = 0;batchsurfaceindex < batchnumsurfaces;batchsurfaceindex++)
@@ -783,7 +781,7 @@ static void R_Q1BSP_DrawLight_TransparentBatch(const entity_render_t *ent, textu
                tempcenter[1] = (batchsurface->mins[1] + batchsurface->maxs[1]) * 0.5f;
                tempcenter[2] = (batchsurface->mins[2] + batchsurface->maxs[2]) * 0.5f;
                Matrix4x4_Transform(&ent->matrix, tempcenter, center);
-               R_MeshQueue_AddTransparent(texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_vieworigin : center, R_Q1BSP_DrawLight_TransparentCallback, ent, batchsurface - ent->model->data_surfaces, r_shadow_rtlight);
+               R_MeshQueue_AddTransparent(texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_vieworigin : center, R_Q1BSP_DrawLight_TransparentCallback, ent, batchsurface - model->data_surfaces, r_shadow_rtlight);
        }
 }