typedef enum r_shadow_rendermode_e
{
R_SHADOW_RENDERMODE_NONE,
- R_SHADOW_RENDERMODE_STENCIL,
- R_SHADOW_RENDERMODE_SEPARATESTENCIL,
- R_SHADOW_RENDERMODE_STENCILTWOSIDE,
+ R_SHADOW_RENDERMODE_ZPASS_STENCIL,
+ R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL,
+ R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE,
+ R_SHADOW_RENDERMODE_ZFAIL_STENCIL,
+ R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL,
+ R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE,
R_SHADOW_RENDERMODE_LIGHT_VERTEX,
R_SHADOW_RENDERMODE_LIGHT_DOT3,
R_SHADOW_RENDERMODE_LIGHT_GLSL,
r_shadow_rendermode_t r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
r_shadow_rendermode_t r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_NONE;
-r_shadow_rendermode_t r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_NONE;
+r_shadow_rendermode_t r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_NONE;
+r_shadow_rendermode_t r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_NONE;
int maxshadowtriangles;
int *shadowelements;
return outtriangles;
}
-#if 0
static int R_Shadow_ConstructShadowVolume_ZPass(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
{
int i, j, k;
markindex = shadowmarktris[i] * 3;
neighbortriangle = inneighbor3i + markindex;
- side[0] = shadowmark[neighbortriangle[0]] != shadowmarkcount;
- side[1] = shadowmark[neighbortriangle[1]] != shadowmarkcount;
- side[2] = shadowmark[neighbortriangle[2]] != shadowmarkcount;
+ side[0] = shadowmark[neighbortriangle[0]] == shadowmarkcount;
+ side[1] = shadowmark[neighbortriangle[1]] == shadowmarkcount;
+ side[2] = shadowmark[neighbortriangle[2]] == shadowmarkcount;
if (side[0] + side[1] + side[2] == 0)
continue;
side[3] = side[0];
element = inelement3i + markindex;
+ // create the vertices
for (j = 0;j < 3;j++)
{
if (side[j] + side[j+1] == 0)
{
vertexupdate[k] = vertexupdatenum;
vertexremap[k] = outvertices;
- vertex = invertex3f + element[j] * 3;
+ vertex = invertex3f + k * 3;
VectorCopy(vertex, outvertex3f);
if (projectdirection)
{
}
// output the sides (facing outward from this triangle)
- if (side[0])
+ if (!side[0])
{
remappedelement[0] = vertexremap[element[0]];
remappedelement[1] = vertexremap[element[1]];
outelement3i += 6;
outtriangles += 2;
}
- if (side[1])
+ if (!side[1])
{
remappedelement[1] = vertexremap[element[1]];
remappedelement[2] = vertexremap[element[2]];
outelement3i += 6;
outtriangles += 2;
}
- if (side[2])
+ if (!side[2])
{
remappedelement[0] = vertexremap[element[0]];
remappedelement[2] = vertexremap[element[2]];
*outnumvertices = outvertices;
return outtriangles;
}
-#endif
void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
{
if (r_shadow_compilingrtlight)
{
// if we're compiling an rtlight, capture the mesh
+ //tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ //Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zpass, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements);
tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zfail, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements);
}
else
{
- tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ // decide which type of shadow to generate and set stencil mode
+ R_Shadow_RenderMode_StencilShadowVolumes(R_Shadow_UseZPass(trismins, trismaxs));
+ // generate the sides or a solid volume, depending on type
+ if (r_shadow_rendermode >= R_SHADOW_RENDERMODE_ZPASS_STENCIL && r_shadow_rendermode <= R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE)
+ tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
+ else
+ tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
r_refdef.stats.lights_dynamicshadowtriangles += tris;
r_refdef.stats.lights_shadowtriangles += tris;
CHECKGLERROR
R_Mesh_VertexPointer(shadowvertex3f, 0, 0);
GL_LockArrays(0, outverts);
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL)
+ {
+ // increment stencil if frontface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, 0);
+ // decrement stencil if backface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL)
{
// decrement stencil if backface is behind depthbuffer
GL_CullFace(r_refdef.view.cullface_front);
r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
if (gl_ext_separatestencil.integer)
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL;
+ }
else if (gl_ext_stenciltwoside.integer)
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE;
+ }
else
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCIL;
+ }
if (r_glsl.integer && gl_support_fragment_shader)
r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL;
void R_Shadow_RenderMode_Reset(void)
{
CHECKGLERROR
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE || r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE)
{
qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
}
r_refdef.stats.lights_clears++;
}
-void R_Shadow_RenderMode_StencilShadowVolumes(void)
+void R_Shadow_RenderMode_StencilShadowVolumes(qboolean zpass)
{
+ r_shadow_rendermode_t mode = zpass ? r_shadow_shadowingrendermode_zpass : r_shadow_shadowingrendermode_zfail;
+ if (r_shadow_rendermode == mode)
+ return;
CHECKGLERROR
R_Shadow_RenderMode_Reset();
GL_ColorMask(0, 0, 0, 0);
R_SetupDepthOrShadowShader();
qglDepthFunc(GL_LESS);CHECKGLERROR
qglEnable(GL_STENCIL_TEST);CHECKGLERROR
- r_shadow_rendermode = r_shadow_shadowingrendermode;
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SEPARATESTENCIL)
+ r_shadow_rendermode = mode;
+ switch(mode)
{
+ default:
+ break;
+ case R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL:
+ GL_CullFace(GL_NONE);
+ qglStencilOpSeparate(r_refdef.view.cullface_front, GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR
+ qglStencilOpSeparate(r_refdef.view.cullface_back, GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR
+ break;
+ case R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL:
GL_CullFace(GL_NONE);
qglStencilOpSeparate(r_refdef.view.cullface_front, GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
qglStencilOpSeparate(r_refdef.view.cullface_back, GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
- }
- else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
- {
+ break;
+ case R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE:
+ GL_CullFace(GL_NONE);
+ qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
+ qglActiveStencilFaceEXT(r_refdef.view.cullface_front);CHECKGLERROR
+ qglStencilMask(~0);CHECKGLERROR
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR
+ qglActiveStencilFaceEXT(r_refdef.view.cullface_back);CHECKGLERROR
+ qglStencilMask(~0);CHECKGLERROR
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR
+ break;
+ case R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE:
GL_CullFace(GL_NONE);
qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
qglActiveStencilFaceEXT(r_refdef.view.cullface_front);CHECKGLERROR
qglActiveStencilFaceEXT(r_refdef.view.cullface_back);CHECKGLERROR
qglStencilMask(~0);CHECKGLERROR
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
+ break;
}
}
void R_Shadow_DrawWorldShadow(int numsurfaces, int *surfacelist, const unsigned char *trispvs)
{
+ qboolean zpass;
shadowmesh_t *mesh;
int t, tend;
int surfacelistindex;
if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
{
CHECKGLERROR
- mesh = rsurface.rtlight->static_meshchain_shadow_zfail;
+ zpass = R_Shadow_UseZPass(r_refdef.scene.worldmodel->normalmins, r_refdef.scene.worldmodel->normalmaxs);
+ R_Shadow_RenderMode_StencilShadowVolumes(zpass);
+ mesh = zpass ? rsurface.rtlight->static_meshchain_shadow_zpass : rsurface.rtlight->static_meshchain_shadow_zfail;
for (;mesh;mesh = mesh->next)
{
r_refdef.stats.lights_shadowtriangles += mesh->numtriangles;
R_Mesh_VertexPointer(mesh->vertex3f, mesh->vbo, mesh->vbooffset_vertex3f);
GL_LockArrays(0, mesh->numverts);
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL)
+ {
+ // increment stencil if frontface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR
+ R_Mesh_Draw(0, mesh->numverts, 0, mesh->numtriangles, mesh->element3i, mesh->element3s, mesh->ebo3i, mesh->ebo3s);
+ // decrement stencil if backface is infront of depthbuffer
+ GL_CullFace(r_refdef.view.cullface_front);
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL)
{
// decrement stencil if backface is behind depthbuffer
GL_CullFace(r_refdef.view.cullface_front);
relativeshadowmaxs[0] = relativeshadoworigin[0] + relativeshadowradius;
relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius;
relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius;
- ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+ ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
}
void R_Shadow_SetupEntityLight(const entity_render_t *ent)
R_Shadow_SetupEntityLight(ent);
- model->DrawLight(ent, model->nummodelsurfaces, model->surfacelist, NULL);
+ model->DrawLight(ent, model->nummodelsurfaces, model->sortedmodelsurfaces, NULL);
}
void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
// draw stencil shadow volumes to mask off pixels that are in shadow
// so that they won't receive lighting
R_Shadow_ClearStencil();
- R_Shadow_RenderMode_StencilShadowVolumes();
if (numsurfaces)
R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs);
for (i = 0;i < numshadowentities;i++)
for (i = 0;i < numlightentities_noselfshadow;i++)
R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
}
-
- R_Shadow_RenderMode_StencilShadowVolumes();
}
for (i = 0;i < numshadowentities_noselfshadow;i++)
R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]);
r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
if (gl_ext_separatestencil.integer)
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL;
+ }
else if (gl_ext_stenciltwoside.integer)
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE;
+ }
else
- r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
+ {
+ r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCIL;
+ r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCIL;
+ }
R_Shadow_ClearStencil();
- R_Shadow_RenderMode_StencilShadowVolumes();
for (i = 0;i < r_refdef.scene.numentities;i++)
{
VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin);
RSurf_ActiveModelEntity(ent, false, false);
- ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+ ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
}
}
void R_BeginCoronaQuery(rtlight_t *rtlight, float scale, qboolean usequery)
{
+ float zdist;
+ vec3_t centerorigin;
// if it's too close, skip it
if (VectorLength(rtlight->color) < (1.0f / 256.0f))
return;
- if (VectorDistance2(rtlight->shadoworigin, r_refdef.view.origin) < 32.0f * 32.0f)
- return;
+ zdist = (DotProduct(rtlight->shadoworigin, r_refdef.view.forward) - DotProduct(r_refdef.view.origin, r_refdef.view.forward));
+ if (zdist < 32)
+ return;
if (usequery && r_numqueries + 2 <= r_maxqueries)
{
rtlight->corona_queryindex_allpixels = r_queries[r_numqueries++];
rtlight->corona_queryindex_visiblepixels = r_queries[r_numqueries++];
+ VectorMA(r_refdef.view.origin, zdist, r_refdef.view.forward, centerorigin);
+
CHECKGLERROR
+ // NOTE: we can't disable depth testing using R_DrawSprite's depthdisable argument, which calls GL_DepthTest, as that's broken in the ATI drivers
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_allpixels);
- R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, true, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1);
+ qglDepthFunc(GL_ALWAYS);
+ R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, false, false, centerorigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1);
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
+ qglDepthFunc(GL_LEQUAL);
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_visiblepixels);
R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, false, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1);
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
CHECKGLERROR
}
- rtlight->corona_visibility = 1;
+ rtlight->corona_visibility = bound(0, (zdist - 32) / 32, 1);
}
void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale)
//Con_Printf("%i of %i pixels\n", (int)visiblepixels, (int)allpixels);
if (visiblepixels < 1 || allpixels < 1)
return;
- rtlight->corona_visibility *= (float)visiblepixels / (float)allpixels;
+ rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1);
cscale *= rtlight->corona_visibility;
}
else
if (usequery)
{
GL_ColorMask(0,0,0,0);
- if (r_maxqueries < range + r_refdef.scene.numlights)
+ if (r_maxqueries < (range + r_refdef.scene.numlights) * 2)
if (r_maxqueries < R_MAX_OCCLUSION_QUERIES)
{
i = r_maxqueries;
- r_maxqueries = (range + r_refdef.scene.numlights) * 2;
+ r_maxqueries = (range + r_refdef.scene.numlights) * 4;
r_maxqueries = min(r_maxqueries, R_MAX_OCCLUSION_QUERIES);
CHECKGLERROR
qglGenQueriesARB(r_maxqueries - i, r_queries + i);
// now draw the coronas using the query data for intensity info
for (lightindex = 0;lightindex < range;lightindex++)
{
- light = Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
if (!light)
continue;
rtlight = &light->rtlight;
projects / xonotic / darkplaces.git / blobdiff