]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
implemented r_transparent_alphatocoverage 2 which promotes alphablend if
[xonotic/darkplaces.git] / gl_rmain.c
index eb52a53b3e89a4687f659ca692459584ee42e994..35b11c2a139c67585f3e6f10e2540c97a22683a6 100644 (file)
@@ -72,7 +72,7 @@ cvar_t r_farclip_world = {0, "r_farclip_world", "2", "adds map size to farclip m
 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
 cvar_t r_deformvertexes = {0, "r_deformvertexes", "1", "allows use of deformvertexes in shader files (can be turned off to check performance impact)"};
 cvar_t r_transparent = {0, "r_transparent", "1", "allows use of transparent surfaces (can be turned off to check performance impact)"};
-cvar_t r_transparent_alphatocoverage = {0, "r_transparent_alphatocoverage", "0", "enables alpha-to-coverage antialiasing technique on alphatest surfaces, this is not yet finished as multisampling is not used"};
+cvar_t r_transparent_alphatocoverage = {0, "r_transparent_alphatocoverage", "1", "enables GL_ALPHA_TO_COVERAGE antialiasing technique on alphablend and alphatest surfaces when using vid_samples 2 or higher"};
 cvar_t r_showoverdraw = {0, "r_showoverdraw", "0", "shows overlapping geometry"};
 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
 cvar_t r_showsurfaces = {0, "r_showsurfaces", "0", "1 shows surfaces as different colors, or a value of 2 shows triangle draw order (for analyzing whether meshes are optimized for vertex cache)"};
@@ -670,6 +670,7 @@ shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
        {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
        {"#define USEBOUNCEGRID\n", " bouncegrid"},
        {"#define USEBOUNCEGRIDDIRECTIONAL\n", " bouncegriddirectional"},
+       {"#define USETRIPPY\n", " trippy"},
 };
 
 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
@@ -1892,15 +1893,31 @@ void R_GLSL_DumpShader_f(void)
                Con_Printf("failed to write to hlsl/default.hlsl\n");
 }
 
-void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale)
+void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale, qboolean notrippy)
 {
+       unsigned int permutation = 0;
+       if (r_trippy.integer && !notrippy)
+               permutation |= SHADERPERMUTATION_TRIPPY;
+       permutation |= SHADERPERMUTATION_VIEWTINT;
+       if (first)
+               permutation |= SHADERPERMUTATION_DIFFUSE;
+       if (second)
+               permutation |= SHADERPERMUTATION_SPECULAR;
+       if (texturemode == GL_MODULATE)
+               permutation |= SHADERPERMUTATION_COLORMAPPING;
+       else if (texturemode == GL_ADD)
+               permutation |= SHADERPERMUTATION_GLOW;
+       else if (texturemode == GL_DECAL)
+               permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
        if (!second)
                texturemode = GL_MODULATE;
+       if (vid.allowalphatocoverage)
+               GL_AlphaToCoverage(false);
        switch (vid.renderpath)
        {
        case RENDERPATH_D3D9:
 #ifdef SUPPORTD3D
-               R_SetupShader_SetPermutationHLSL(SHADERMODE_GENERIC, SHADERPERMUTATION_VIEWTINT | (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
+               R_SetupShader_SetPermutationHLSL(SHADERMODE_GENERIC, permutation);
                R_Mesh_TexBind(GL20TU_FIRST , first );
                R_Mesh_TexBind(GL20TU_SECOND, second);
 #endif
@@ -1913,7 +1930,7 @@ void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemod
                break;
        case RENDERPATH_GL20:
        case RENDERPATH_GLES2:
-               R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, SHADERPERMUTATION_VIEWTINT | (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
+               R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, permutation);
                R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First , first );
                R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second, second);
                break;
@@ -1929,20 +1946,25 @@ void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemod
                R_Mesh_TexBind(0, first );
                break;
        case RENDERPATH_SOFT:
-               R_SetupShader_SetPermutationSoft(SHADERMODE_GENERIC, SHADERPERMUTATION_VIEWTINT | (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
+               R_SetupShader_SetPermutationSoft(SHADERMODE_GENERIC, permutation);
                R_Mesh_TexBind(GL20TU_FIRST , first );
                R_Mesh_TexBind(GL20TU_SECOND, second);
                break;
        }
 }
 
-void R_SetupShader_DepthOrShadow(void)
+void R_SetupShader_DepthOrShadow(qboolean notrippy)
 {
+       unsigned int permutation = 0;
+       if (r_trippy.integer && !notrippy)
+               permutation |= SHADERPERMUTATION_TRIPPY;
+       if (vid.allowalphatocoverage)
+               GL_AlphaToCoverage(false);
        switch (vid.renderpath)
        {
        case RENDERPATH_D3D9:
 #ifdef SUPPORTD3D
-               R_SetupShader_SetPermutationHLSL(SHADERMODE_DEPTH_OR_SHADOW, 0);
+               R_SetupShader_SetPermutationHLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
 #endif
                break;
        case RENDERPATH_D3D10:
@@ -1953,7 +1975,7 @@ void R_SetupShader_DepthOrShadow(void)
                break;
        case RENDERPATH_GL20:
        case RENDERPATH_GLES2:
-               R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, 0);
+               R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
                break;
        case RENDERPATH_GL13:
        case RENDERPATH_GLES1:
@@ -1964,18 +1986,25 @@ void R_SetupShader_DepthOrShadow(void)
                R_Mesh_TexBind(0, 0);
                break;
        case RENDERPATH_SOFT:
-               R_SetupShader_SetPermutationSoft(SHADERMODE_DEPTH_OR_SHADOW, 0);
+               R_SetupShader_SetPermutationSoft(SHADERMODE_DEPTH_OR_SHADOW, permutation);
                break;
        }
 }
 
-void R_SetupShader_ShowDepth(void)
+void R_SetupShader_ShowDepth(qboolean notrippy)
 {
+       int permutation = 0;
+       if (r_trippy.integer && !notrippy)
+               permutation |= SHADERPERMUTATION_TRIPPY;
+       if (r_trippy.integer)
+               permutation |= SHADERPERMUTATION_TRIPPY;
+       if (vid.allowalphatocoverage)
+               GL_AlphaToCoverage(false);
        switch (vid.renderpath)
        {
        case RENDERPATH_D3D9:
 #ifdef SUPPORTHLSL
-               R_SetupShader_SetPermutationHLSL(SHADERMODE_SHOWDEPTH, 0);
+               R_SetupShader_SetPermutationHLSL(SHADERMODE_SHOWDEPTH, permutation);
 #endif
                break;
        case RENDERPATH_D3D10:
@@ -1986,7 +2015,7 @@ void R_SetupShader_ShowDepth(void)
                break;
        case RENDERPATH_GL20:
        case RENDERPATH_GLES2:
-               R_SetupShader_SetPermutationGLSL(SHADERMODE_SHOWDEPTH, 0);
+               R_SetupShader_SetPermutationGLSL(SHADERMODE_SHOWDEPTH, permutation);
                break;
        case RENDERPATH_GL13:
        case RENDERPATH_GLES1:
@@ -1994,7 +2023,7 @@ void R_SetupShader_ShowDepth(void)
        case RENDERPATH_GL11:
                break;
        case RENDERPATH_SOFT:
-               R_SetupShader_SetPermutationSoft(SHADERMODE_SHOWDEPTH, 0);
+               R_SetupShader_SetPermutationSoft(SHADERMODE_SHOWDEPTH, permutation);
                break;
        }
 }
@@ -2070,7 +2099,7 @@ static int R_BlendFuncFlags(int src, int dst)
        return r;
 }
 
-void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *surfacewaterplane)
+void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *surfacewaterplane, qboolean notrippy)
 {
        // select a permutation of the lighting shader appropriate to this
        // combination of texture, entity, light source, and fogging, only use the
@@ -2084,6 +2113,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        float m16f[16];
        matrix4x4_t tempmatrix;
        r_waterstate_waterplane_t *waterplane = (r_waterstate_waterplane_t *)surfacewaterplane;
+       if (r_trippy.integer && !notrippy)
+               permutation |= SHADERPERMUTATION_TRIPPY;
        if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
                permutation |= SHADERPERMUTATION_ALPHAKILL;
        if (rsurface.texture->r_water_waterscroll[0] && rsurface.texture->r_water_waterscroll[1])
@@ -2120,6 +2151,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        GL_BlendFunc(GL_ONE, GL_ZERO);
                        blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
                }
+               if (vid.allowalphatocoverage)
+                       GL_AlphaToCoverage(false);
        }
        else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
        {
@@ -2139,6 +2172,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                mode = SHADERMODE_DEFERREDGEOMETRY;
                GL_BlendFunc(GL_ONE, GL_ZERO);
                blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
+               if (vid.allowalphatocoverage)
+                       GL_AlphaToCoverage(false);
        }
        else if (rsurfacepass == RSURFPASS_RTLIGHT)
        {
@@ -2183,6 +2218,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        permutation |= SHADERPERMUTATION_REFLECTCUBE;
                GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
                blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE);
+               if (vid.allowalphatocoverage)
+                       GL_AlphaToCoverage(false);
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
        {
@@ -2225,6 +2262,17 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        permutation |= SHADERPERMUTATION_REFLECTCUBE;
                GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
                blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
+               // when using alphatocoverage, we don't need alphakill
+               if (vid.allowalphatocoverage)
+               {
+                       if (r_transparent_alphatocoverage.integer)
+                       {
+                               GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
+                               permutation &= ~SHADERPERMUTATION_ALPHAKILL;
+                       }
+                       else
+                               GL_AlphaToCoverage(false);
+               }
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
        {
@@ -2277,6 +2325,17 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                }
                GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
                blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
+               // when using alphatocoverage, we don't need alphakill
+               if (vid.allowalphatocoverage)
+               {
+                       if (r_transparent_alphatocoverage.integer)
+                       {
+                               GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
+                               permutation &= ~SHADERPERMUTATION_ALPHAKILL;
+                       }
+                       else
+                               GL_AlphaToCoverage(false);
+               }
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
        {
@@ -2326,6 +2385,17 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                }
                GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
                blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
+               // when using alphatocoverage, we don't need alphakill
+               if (vid.allowalphatocoverage)
+               {
+                       if (r_transparent_alphatocoverage.integer)
+                       {
+                               GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
+                               permutation &= ~SHADERPERMUTATION_ALPHAKILL;
+                       }
+                       else
+                               GL_AlphaToCoverage(false);
+               }
        }
        else
        {
@@ -2411,6 +2481,17 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                }
                GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
                blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
+               // when using alphatocoverage, we don't need alphakill
+               if (vid.allowalphatocoverage)
+               {
+                       if (r_transparent_alphatocoverage.integer)
+                       {
+                               GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
+                               permutation &= ~SHADERPERMUTATION_ALPHAKILL;
+                       }
+                       else
+                               GL_AlphaToCoverage(false);
+               }
        }
        if(!(blendfuncflags & BLENDFUNC_ALLOWS_COLORMOD))
                colormod = dummy_colormod;
@@ -2911,6 +2992,8 @@ void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
                else if (r_shadow_shadowmappcf)
                        permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
        }
+       if (vid.allowalphatocoverage)
+               GL_AlphaToCoverage(false);
        Matrix4x4_Transform(&r_refdef.view.viewport.viewmatrix, rtlight->shadoworigin, viewlightorigin);
        Matrix4x4_Concat(&lighttoview, &r_refdef.view.viewport.viewmatrix, &rtlight->matrix_lighttoworld);
        Matrix4x4_Invert_Simple(&viewtolight, &lighttoview);
@@ -4261,6 +4344,8 @@ int R_CullBox(const vec3_t mins, const vec3_t maxs)
 {
        int i;
        mplane_t *p;
+       if (r_trippy.integer)
+               return false;
        for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
        {
                // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
@@ -4311,6 +4396,8 @@ int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, c
 {
        int i;
        const mplane_t *p;
+       if (r_trippy.integer)
+               return false;
        for (i = 0;i < numplanes;i++)
        {
                p = planes + i;
@@ -4794,7 +4881,7 @@ static void R_View_UpdateEntityVisible (void)
                        r_refdef.viewcache.entityvisible[i] = !(ent->flags & renderimask) && ((ent->model && ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)) || !R_CullBox(ent->mins, ent->maxs));
                }
        }
-       if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight && !r_refdef.view.useclipplane)
+       if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight && !r_refdef.view.useclipplane && !r_trippy.integer)
                // sorry, this check doesn't work for portal/reflection/refraction renders as the view origin is not useful for culling
        {
                for (i = 0;i < r_refdef.scene.numentities;i++)
@@ -6019,7 +6106,7 @@ void R_Bloom_CopyBloomTexture(float colorscale)
                break;
        }
        // TODO: do boxfilter scale-down in shader?
-       R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1, true);
        R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
        r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
 
@@ -6055,7 +6142,7 @@ void R_Bloom_MakeTexture(void)
                GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
                GL_Color(r,r,r,1);
                R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_bloomstate.bloomtexcoord2f);
-               R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1);
+               R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1, true);
                R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
                r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
 
@@ -6071,7 +6158,7 @@ void R_Bloom_MakeTexture(void)
        brighten = sqrt(brighten);
        if(range >= 1)
                brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
-       R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1, true);
 
        for (dir = 0;dir < 2;dir++)
        {
@@ -6252,7 +6339,7 @@ static void R_BlendView(void)
                                                R_Mesh_PrepareVertices_Generic_Arrays(4, r_d3dscreenvertex3f, NULL, r_bloomstate.screentexcoord2f);
                                                break;
                                        }
-                                       R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1);
+                                       R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1, true);
                                        R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
                                        r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
                                }
@@ -6271,7 +6358,7 @@ static void R_BlendView(void)
                                R_ResetViewRendering2D();
                                GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
                                R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
-                               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+                               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, true);
                                GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
                                R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
                        }
@@ -6379,7 +6466,7 @@ static void R_BlendView(void)
                        R_ResetViewRendering2D();
                        GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
                        R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
-                       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+                       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, true);
                        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
                        R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
                }
@@ -7031,7 +7118,7 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
        }
        R_Mesh_PrepareVertices_Generic_Arrays(8, vertex3f, color4f, NULL);
        R_Mesh_ResetTextureState();
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
        R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0);
 }
 
@@ -7047,7 +7134,7 @@ static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtligh
                return;
 
        GL_CullFace(GL_NONE);
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
 
        prog = 0;
        SV_VM_Begin();
@@ -7197,7 +7284,7 @@ void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight
                }
        }
 //     R_Mesh_ResetTextureState();
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
        R_Mesh_PrepareVertices_Generic_Arrays(6, nomodelvertex3f, color4f, NULL);
        R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, NULL, 0, nomodelelement3s, NULL, 0);
 }
@@ -7576,7 +7663,7 @@ texture_t *R_GetCurrentTexture(texture_t *t)
 
        t->currentmaterialflags = t->basematerialflags;
        t->currentalpha = rsurface.colormod[3];
-       if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
+       if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer || r_trippy.integer))
                t->currentalpha *= r_wateralpha.value;
        if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay)
                t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
@@ -7613,6 +7700,11 @@ texture_t *R_GetCurrentTexture(texture_t *t)
        }
        else
                t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA);
+       if (vid.allowalphatocoverage && r_transparent_alphatocoverage.integer >= 2 && ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA | MATERIALFLAG_ADD | MATERIALFLAG_CUSTOMBLEND)) == (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)))
+       {
+               // promote alphablend to alphatocoverage (a type of alphatest) if antialiasing is on
+               t->currentmaterialflags = (t->currentmaterialflags & ~(MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)) | MATERIALFLAG_ALPHATEST;
+       }
        if ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)) == MATERIALFLAG_BLENDED && r_transparentdepthmasking.integer && !(t->basematerialflags & MATERIALFLAG_BLENDED))
                t->currentmaterialflags |= MATERIALFLAG_TRANSDEPTH;
 
@@ -9501,7 +9593,7 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_
        // transparent sky would be ridiculous
        if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
                return;
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
        skyrenderlater = true;
        RSurf_SetupDepthAndCulling();
        GL_DepthMask(true);
@@ -9511,12 +9603,12 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_
        // in Quake3 maps as it causes problems with q3map2 sky tricks,
        // and skymasking also looks very bad when noclipping outside the
        // level, so don't use it then either.
-       if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis)
+       if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis && !r_trippy.integer)
        {
                R_Mesh_ResetTextureState();
                if (skyrendermasked)
                {
-                       R_SetupShader_DepthOrShadow();
+                       R_SetupShader_DepthOrShadow(false);
                        // depth-only (masking)
                        GL_ColorMask(0,0,0,0);
                        // just to make sure that braindead drivers don't draw
@@ -9530,7 +9622,7 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_
                }
                else
                {
-                       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+                       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
                        // fog sky
                        GL_BlendFunc(GL_ONE, GL_ZERO);
                        RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
@@ -9555,7 +9647,7 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface
        {
                // render screenspace normalmap to texture
                GL_DepthMask(true);
-               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist, NULL);
+               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist, NULL, false);
                RSurf_DrawBatch();
        }
 
@@ -9582,18 +9674,18 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface
                        {
                                // render water or distortion background
                                GL_DepthMask(true);
-                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start, (void *)(r_waterstate.waterplanes + startplaneindex));
+                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start, (void *)(r_waterstate.waterplanes + startplaneindex), false);
                                RSurf_DrawBatch();
                                // blend surface on top
                                GL_DepthMask(false);
-                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, NULL);
+                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, NULL, false);
                                RSurf_DrawBatch();
                        }
                        else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION))
                        {
                                // render surface with reflection texture as input
                                GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
-                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, (void *)(r_waterstate.waterplanes + startplaneindex));
+                               R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, (void *)(r_waterstate.waterplanes + startplaneindex), false);
                                RSurf_DrawBatch();
                        }
                }
@@ -9602,12 +9694,8 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface
 
        // render surface batch normally
        GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
-       R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist, NULL);
-       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
-               GL_AlphaTest(true);
+       R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist, NULL, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) != 0);
        RSurf_DrawBatch();
-       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
-               GL_AlphaTest(false);
 }
 
 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
@@ -9829,7 +9917,7 @@ static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, const
        float c[4];
 
 //     R_Mesh_ResetTextureState();
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
 
        if(rsurface.texture && rsurface.texture->currentskinframe)
        {
@@ -9935,7 +10023,7 @@ static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, const
                RSurf_DrawBatch_GL11_ClampColor();
 
                R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.passcolor4f, NULL);
-               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
                RSurf_DrawBatch();
        }
        else if (!r_refdef.view.showdebug)
@@ -10137,7 +10225,7 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                                GL_BlendFunc(GL_ONE, GL_ZERO);
                                GL_DepthMask(true);
 //                             R_Mesh_ResetTextureState();
-                               R_SetupShader_DepthOrShadow();
+                               R_SetupShader_DepthOrShadow(false);
                        }
                        RSurf_SetupDepthAndCulling();
                        RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, texturenumsurfaces, texturesurfacelist);
@@ -10450,7 +10538,7 @@ void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, in
                        vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
 
        R_Mesh_PrepareVertices_Generic_Arrays(6*4, vertex3f, NULL, NULL);
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
        R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, NULL, 0, locboxelements, NULL, 0);
 }
 
@@ -11077,7 +11165,7 @@ static void R_DrawModelDecals_Entity(entity_render_t *ent)
                GL_DepthTest(true);
                GL_CullFace(GL_NONE);
                GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
-               R_SetupShader_Generic(decalskinframe->base, NULL, GL_MODULATE, 1);
+               R_SetupShader_Generic(decalskinframe->base, NULL, GL_MODULATE, 1, false);
                R_Mesh_Draw(0, numtris * 3, 0, numtris, decalsystem->element3i, NULL, 0, decalsystem->element3s, NULL, 0);
        }
 }
@@ -11134,7 +11222,7 @@ void R_DrawDebugModel(void)
        {
                float c = r_refdef.view.colorscale * r_showoverdraw.value * 0.125f;
                flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
-               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+               R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
                GL_DepthTest(false);
                GL_DepthMask(false);
                GL_DepthRange(0, 1);
@@ -11164,7 +11252,7 @@ void R_DrawDebugModel(void)
        flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
 
 //     R_Mesh_ResetTextureState();
-       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
+       R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false);
        GL_DepthRange(0, 1);
        GL_DepthTest(!r_showdisabledepthtest.integer);
        GL_DepthMask(false);