int r_shadow_shadowmaplod; // changes for each light based on distance
GLuint r_shadow_prepassgeometryfbo;
-GLuint r_shadow_prepasslightingfbo;
+GLuint r_shadow_prepasslightingdiffusespecularfbo;
+GLuint r_shadow_prepasslightingdiffusefbo;
int r_shadow_prepass_width;
int r_shadow_prepass_height;
rtexture_t *r_shadow_prepassgeometrydepthtexture;
cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"};
cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"};
cvar_t r_shadow_deferred = {CVAR_SAVE, "r_shadow_deferred", "0", "uses image-based lighting instead of geometry-based lighting, the method used renders a depth image and a normalmap image, renders lights into separate diffuse and specular images, and then combines this into the normal rendering, requires r_shadow_shadowmapping"};
-cvar_t r_shadow_deferred_8bitrange = {CVAR_SAVE, "r_shadow_deferred_8bitrange", "2", "dynamic range of image-based lighting when using 32bit color (does not apply to fp)"};
+cvar_t r_shadow_deferred_8bitrange = {CVAR_SAVE, "r_shadow_deferred_8bitrange", "4", "dynamic range of image-based lighting when using 32bit color (does not apply to fp)"};
//cvar_t r_shadow_deferred_fp = {CVAR_SAVE, "r_shadow_deferred_fp", "0", "use 16bit (1) or 32bit (2) floating point for accumulation of image-based lighting"};
cvar_t r_shadow_usebihculling = {0, "r_shadow_usebihculling", "1", "use BIH (Bounding Interval Hierarchy) for culling lit surfaces instead of BSP (Binary Space Partitioning)"};
cvar_t r_shadow_usenormalmap = {CVAR_SAVE, "r_shadow_usenormalmap", "1", "enables use of directional shading on lights"};
cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation (slower than compileportalculling but more exact)"};
cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation (overrides compilesvbsp)"};
cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"};
-cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "0", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes, requires gl_fbo 1"};
+cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "1", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes, requires gl_fbo 1"};
cvar_t r_shadow_shadowmapping_filterquality = {CVAR_SAVE, "r_shadow_shadowmapping_filterquality", "-1", "shadowmap filter modes: -1 = auto-select, 0 = no filtering, 1 = bilinear, 2 = bilinear 2x2 blur (fast), 3 = 3x3 blur (moderate), 4 = 4x4 blur (slow)"};
cvar_t r_shadow_shadowmapping_depthbits = {CVAR_SAVE, "r_shadow_shadowmapping_depthbits", "24", "requested minimum shadowmap texture depth bits"};
cvar_t r_shadow_shadowmapping_vsdct = {CVAR_SAVE, "r_shadow_shadowmapping_vsdct", "1", "enables use of virtual shadow depth cube texture"};
cvar_t r_shadow_polygonfactor = {0, "r_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"};
cvar_t r_shadow_polygonoffset = {0, "r_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"};
cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect OpenGL 2.0 render path)"};
+cvar_t r_shadow_bouncegrid = {CVAR_SAVE, "r_shadow_bouncegrid", "0", "perform particle tracing for indirect lighting (Global Illumination / radiosity) using a 3D texture covering the scene, requires r_shadow_realtime_world 1"};
+cvar_t r_shadow_bouncegrid_bounceanglediffuse = {CVAR_SAVE, "r_shadow_bouncegrid_bounceanglediffuse", "0", "use random bounce direction rather than true reflection, makes some corner areas dark"};
+cvar_t r_shadow_bouncegrid_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_directionalshading", "0", "use diffuse shading rather than ambient, 3D texture becomes 4x as many pixels to hold the additional data"};
+cvar_t r_shadow_bouncegrid_dlightparticlemultiplier = {CVAR_SAVE, "r_shadow_bouncegrid_dlightparticlemultiplier", "0", "if set to a high value like 16 this can make dlights look great, but 0 is recommended for performance reasons"};
+cvar_t r_shadow_bouncegrid_hitmodels = {CVAR_SAVE, "r_shadow_bouncegrid_hitmodels", "0", "enables hitting character model geometry (SLOW)"};
+cvar_t r_shadow_bouncegrid_intensity = {CVAR_SAVE, "r_shadow_bouncegrid_intensity", "4", "overall brightness of bouncegrid texture"};
+cvar_t r_shadow_bouncegrid_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_lightradiusscale", "2", "particles stop at this fraction of light radius (can be more than 1)"};
+cvar_t r_shadow_bouncegrid_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_maxbounce", "3", "maximum number of bounces for a particle (minimum is 1)"};
+cvar_t r_shadow_bouncegrid_particlebounceintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particlebounceintensity", "4", "amount of energy carried over after each bounce, this is a multiplier of texture color and the result is clamped to 1 or less, to prevent adding energy on each bounce"};
+cvar_t r_shadow_bouncegrid_particleintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particleintensity", "2", "brightness of particles contributing to bouncegrid texture"};
+cvar_t r_shadow_bouncegrid_photons = {CVAR_SAVE, "r_shadow_bouncegrid_photons", "5000", "total photons to shoot per update, divided proportionately between lights"};
+cvar_t r_shadow_bouncegrid_spacingx = {CVAR_SAVE, "r_shadow_bouncegrid_spacingx", "64", "unit size of bouncegrid pixel on X axis"};
+cvar_t r_shadow_bouncegrid_spacingy = {CVAR_SAVE, "r_shadow_bouncegrid_spacingy", "64", "unit size of bouncegrid pixel on Y axis"};
+cvar_t r_shadow_bouncegrid_spacingz = {CVAR_SAVE, "r_shadow_bouncegrid_spacingz", "64", "unit size of bouncegrid pixel on Z axis"};
+cvar_t r_shadow_bouncegrid_stablerandom = {CVAR_SAVE, "r_shadow_bouncegrid_stablerandom", "1", "make particle distribution consistent from frame to frame"};
+cvar_t r_shadow_bouncegrid_updateinterval = {CVAR_SAVE, "r_shadow_bouncegrid_updateinterval", "0", "update bouncegrid texture once per this many seconds, useful values are 0, 0.05, or 1000000"};
+cvar_t r_shadow_bouncegrid_x = {CVAR_SAVE, "r_shadow_bouncegrid_x", "64", "maximum texture size of bouncegrid on X axis"};
+cvar_t r_shadow_bouncegrid_y = {CVAR_SAVE, "r_shadow_bouncegrid_y", "64", "maximum texture size of bouncegrid on Y axis"};
+cvar_t r_shadow_bouncegrid_z = {CVAR_SAVE, "r_shadow_bouncegrid_z", "32", "maximum texture size of bouncegrid on Z axis"};
cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "1", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksum the proportion of hidden pixels controls corona intensity"};
cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "1", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility)"};
cvar_t r_editlights_cursorgrid = {0, "r_editlights_cursorgrid", "4", "snaps cursor to this grid size"};
cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "1", "changes size of light entities loaded from a map"};
+rtexture_t *r_shadow_bouncegridtexture;
+matrix4x4_t r_shadow_bouncegridmatrix;
+vec_t r_shadow_bouncegridintensity;
+qboolean r_shadow_bouncegriddirectional;
+static double r_shadow_bouncegridtime;
+static int r_shadow_bouncegridresolution[3];
+static int r_shadow_bouncegridnumpixels;
+static unsigned char *r_shadow_bouncegridpixels;
+static float *r_shadow_bouncegridhighpixels;
+
// note the table actually includes one more value, just to avoid the need to clamp the distance index due to minor math error
#define ATTENTABLESIZE 256
// 1D gradient, 2D circle and 3D sphere attenuation textures
}
}
r_shadow_shadowmode = R_SHADOW_SHADOWMODE_SHADOWMAP2D;
- // Cg has very little choice in depth texture sampling
- if (vid.cgcontext)
- r_shadow_shadowmapsampler = false;
break;
- case RENDERPATH_CGGL:
case RENDERPATH_D3D9:
case RENDERPATH_D3D10:
case RENDERPATH_D3D11:
break;
case RENDERPATH_GL11:
break;
+ case RENDERPATH_GLES2:
+ break;
}
}
}
void r_shadow_start(void)
{
// allocate vertex processing arrays
+ r_shadow_bouncegridpixels = NULL;
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegridtexture = NULL;
+ r_shadow_bouncegriddirectional = false;
r_shadow_attenuationgradienttexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_attenuation3dtexture = NULL;
r_shadow_prepass_width = r_shadow_prepass_height = 0;
CHECKGLERROR
+ r_shadow_bouncegridtexture = NULL;
+ r_shadow_bouncegridpixels = NULL;
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegriddirectional = false;
r_shadow_attenuationgradienttexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_attenuation3dtexture = NULL;
void r_shadow_newmap(void)
{
+ if (r_shadow_bouncegridtexture) R_FreeTexture(r_shadow_bouncegridtexture);r_shadow_bouncegridtexture = NULL;
if (r_shadow_lightcorona) R_SkinFrame_MarkUsed(r_shadow_lightcorona);
if (r_editlights_sprcursor) R_SkinFrame_MarkUsed(r_editlights_sprcursor);
if (r_editlights_sprlight) R_SkinFrame_MarkUsed(r_editlights_sprlight);
Cvar_RegisterVariable(&r_shadow_polygonfactor);
Cvar_RegisterVariable(&r_shadow_polygonoffset);
Cvar_RegisterVariable(&r_shadow_texture3d);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_bounceanglediffuse);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_directionalshading);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_dlightparticlemultiplier);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_hitmodels);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_intensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_lightradiusscale);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_maxbounce);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_particlebounceintensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_particleintensity);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_photons);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingx);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingy);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingz);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_stablerandom);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_updateinterval);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_x);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_y);
+ Cvar_RegisterVariable(&r_shadow_bouncegrid_z);
Cvar_RegisterVariable(&r_coronas);
Cvar_RegisterVariable(&r_coronas_occlusionsizescale);
Cvar_RegisterVariable(&r_coronas_occlusionquery);
Cvar_RegisterVariable(&gl_flashblend);
Cvar_RegisterVariable(&gl_ext_separatestencil);
Cvar_RegisterVariable(&gl_ext_stenciltwoside);
- if (gamemode == GAME_TENEBRAE)
- {
- Cvar_SetValue("r_shadow_gloss", 2);
- Cvar_SetValue("r_shadow_bumpscale_basetexture", 4);
- }
R_Shadow_EditLights_Init();
Mem_ExpandableArray_NewArray(&r_shadow_worldlightsarray, r_main_mempool, sizeof(dlight_t), 128);
maxshadowtriangles = 0;
switch(vid.renderpath)
{
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
case RENDERPATH_D3D9:
case RENDERPATH_D3D10:
case RENDERPATH_D3D11:
case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL;
break;
case RENDERPATH_GL13:
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
GL_CullFace(r_refdef.view.cullface_back);
// OpenGL lets us scissor larger than the viewport, so go ahead and clear all views at once
if ((clear & ((2 << side) - 1)) == (1 << side)) // only clear if the side is the first in the mask
// only draw light where this geometry was already rendered AND the
// stencil is 128 (values other than this mean shadow)
R_SetStencil(stenciltest, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255);
- R_Mesh_SetRenderTargets(r_shadow_prepasslightingfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
r_shadow_usingshadowmap2d = shadowmapping;
R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0);
}
+static void R_Shadow_UpdateBounceGridTexture(void)
+{
+#define MAXBOUNCEGRIDPARTICLESPERLIGHT 1048576
+ dlight_t *light;
+ int flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ int bouncecount;
+ int hitsupercontentsmask;
+ int maxbounce;
+ int numpixels;
+ int resolution[3];
+ int shootparticles;
+ int shotparticles;
+ int photoncount;
+ int tex[3];
+ trace_t cliptrace;
+ //trace_t cliptrace2;
+ //trace_t cliptrace3;
+ unsigned char *pixel;
+ unsigned char *pixels;
+ float *highpixel;
+ float *highpixels;
+ unsigned int lightindex;
+ unsigned int range;
+ unsigned int range1;
+ unsigned int range2;
+ unsigned int seed = (unsigned int)(realtime * 1000.0f);
+ vec3_t shotcolor;
+ vec3_t baseshotcolor;
+ vec3_t surfcolor;
+ vec3_t clipend;
+ vec3_t clipstart;
+ vec3_t clipdiff;
+ vec3_t ispacing;
+ vec3_t maxs;
+ vec3_t mins;
+ vec3_t size;
+ vec3_t spacing;
+ vec3_t lightcolor;
+ vec_t radius;
+ vec_t s;
+ vec_t lightintensity;
+ vec_t photonscaling;
+ vec_t photonresidual;
+ float m[16];
+ float texlerp[2][3];
+ float splatcolor[16];
+ float pixelweight[8];
+ float w;
+ int c[4];
+ int pixelindex[8];
+ int corner;
+ int x, y, z, d;
+ qboolean isstatic = r_shadow_bouncegrid_updateinterval.value > 1.0f;
+ qboolean directionalshading = r_shadow_bouncegrid_directionalshading.integer != 0;
+ rtlight_t *rtlight;
+ if (!r_shadow_bouncegrid.integer || !vid.support.ext_texture_3d)
+ {
+ if (r_shadow_bouncegridtexture)
+ {
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = NULL;
+ }
+ if (r_shadow_bouncegridpixels)
+ Mem_Free(r_shadow_bouncegridpixels);
+ r_shadow_bouncegridpixels = NULL;
+ if (r_shadow_bouncegridhighpixels)
+ Mem_Free(r_shadow_bouncegridhighpixels);
+ r_shadow_bouncegridhighpixels = NULL;
+ r_shadow_bouncegridnumpixels = 0;
+ r_shadow_bouncegriddirectional = false;
+ return;
+ }
+ if (r_refdef.scene.worldmodel && isstatic)
+ {
+ VectorSet(spacing, bound(1, r_shadow_bouncegrid_spacingx.value, 512), bound(1, r_shadow_bouncegrid_spacingy.value, 512), bound(1, r_shadow_bouncegrid_spacingz.value, 512));
+ VectorMA(r_refdef.scene.worldmodel->normalmins, -2.0f, spacing, mins);
+ VectorMA(r_refdef.scene.worldmodel->normalmaxs, 2.0f, spacing, maxs);
+ VectorSubtract(maxs, mins, size);
+ resolution[0] = (int)floor(size[0] / spacing[0] + 0.5f);
+ resolution[1] = (int)floor(size[1] / spacing[1] + 0.5f);
+ resolution[2] = (int)floor(size[2] / spacing[2] + 0.5f);
+ resolution[0] = min(resolution[0], bound(4, r_shadow_bouncegrid_x.integer, (int)vid.maxtexturesize_3d));
+ resolution[1] = min(resolution[1], bound(4, r_shadow_bouncegrid_y.integer, (int)vid.maxtexturesize_3d));
+ resolution[2] = min(resolution[2], bound(4, r_shadow_bouncegrid_z.integer, (int)vid.maxtexturesize_3d));
+ spacing[0] = size[0] / resolution[0];
+ spacing[1] = size[1] / resolution[1];
+ spacing[2] = size[2] / resolution[2];
+ ispacing[0] = 1.0f / spacing[0];
+ ispacing[1] = 1.0f / spacing[1];
+ ispacing[2] = 1.0f / spacing[2];
+ }
+ else
+ {
+ VectorSet(resolution, bound(4, r_shadow_bouncegrid_x.integer, (int)vid.maxtexturesize_3d), bound(4, r_shadow_bouncegrid_y.integer, (int)vid.maxtexturesize_3d), bound(4, r_shadow_bouncegrid_z.integer, (int)vid.maxtexturesize_3d));
+ VectorSet(spacing, bound(1, r_shadow_bouncegrid_spacingx.value, 512), bound(1, r_shadow_bouncegrid_spacingy.value, 512), bound(1, r_shadow_bouncegrid_spacingz.value, 512));
+ VectorMultiply(resolution, spacing, size);
+ ispacing[0] = 1.0f / spacing[0];
+ ispacing[1] = 1.0f / spacing[1];
+ ispacing[2] = 1.0f / spacing[2];
+ mins[0] = floor(r_refdef.view.origin[0] * ispacing[0] + 0.5f) * spacing[0] - 0.5f * size[0];
+ mins[1] = floor(r_refdef.view.origin[1] * ispacing[1] + 0.5f) * spacing[1] - 0.5f * size[1];
+ mins[2] = floor(r_refdef.view.origin[2] * ispacing[2] + 0.5f) * spacing[2] - 0.5f * size[2];
+ VectorAdd(mins, size, maxs);
+ }
+ r_shadow_bouncegridintensity = r_shadow_bouncegrid_intensity.value;
+ if (r_shadow_bouncegridtexture && realtime < r_shadow_bouncegridtime + r_shadow_bouncegrid_updateinterval.value && resolution[0] == r_shadow_bouncegridresolution[0] && resolution[1] == r_shadow_bouncegridresolution[1] && resolution[2] == r_shadow_bouncegridresolution[2])
+ return;
+ // we're going to update the bouncegrid, update the matrix...
+ memset(m, 0, sizeof(m));
+ m[0] = 1.0f / size[0];
+ m[3] = -mins[0] * m[0];
+ m[5] = 1.0f / size[1];
+ m[7] = -mins[1] * m[5];
+ m[10] = 1.0f / size[2];
+ m[11] = -mins[2] * m[10];
+ m[15] = 1.0f;
+ if (directionalshading)
+ {
+ m[10] *= 0.25f;
+ m[11] *= 0.25f;
+ }
+ Matrix4x4_FromArrayFloatD3D(&r_shadow_bouncegridmatrix, m);
+ numpixels = resolution[0]*resolution[1]*resolution[2];
+ if (directionalshading)
+ numpixels *= 4;
+ r_shadow_bouncegriddirectional = directionalshading;
+ // reallocate pixels for this update if needed...
+ if (r_shadow_bouncegridnumpixels != numpixels || !r_shadow_bouncegridpixels || !r_shadow_bouncegridhighpixels)
+ {
+ if (r_shadow_bouncegridtexture)
+ {
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = NULL;
+ }
+ r_shadow_bouncegridpixels = (unsigned char *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridpixels, numpixels * sizeof(unsigned char[4]));
+ r_shadow_bouncegridhighpixels = (float *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridhighpixels, numpixels * sizeof(float[4]));
+ }
+ r_shadow_bouncegridnumpixels = numpixels;
+ pixels = r_shadow_bouncegridpixels;
+ highpixels = r_shadow_bouncegridhighpixels;
+ if (directionalshading)
+ memset(pixels, 128, numpixels * sizeof(unsigned char[4]));
+ else
+ memset(pixels, 0, numpixels * sizeof(unsigned char[4]));
+ memset(highpixels, 0, numpixels * sizeof(float[4]));
+ // figure out what we want to interact with
+ if (r_shadow_bouncegrid_hitmodels.integer)
+ hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_LIQUIDSMASK;
+ else
+ hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK;
+ maxbounce = bound(1, r_shadow_bouncegrid_maxbounce.integer, 16);
+ // clear variables that produce warnings otherwise
+ memset(splatcolor, 0, sizeof(splatcolor));
+ // iterate world rtlights
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ range1 = isstatic ? 0 : r_refdef.scene.numlights;
+ range2 = range + range1;
+ photoncount = 0;
+ for (lightindex = 0;lightindex < range2;lightindex++)
+ {
+ if (isstatic)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light || !(light->flags & flag))
+ continue;
+ rtlight = &light->rtlight;
+ // when static, we skip styled lights because they tend to change...
+ if (rtlight->style > 0)
+ continue;
+ VectorScale(rtlight->color, (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale) * (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1), lightcolor);
+ }
+ else
+ {
+ if (lightindex < range)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ rtlight = &light->rtlight;
+ }
+ else
+ rtlight = r_refdef.scene.lights[lightindex - range];
+ // draw only visible lights (major speedup)
+ if (!rtlight->draw)
+ continue;
+ VectorScale(rtlight->currentcolor, rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale, lightcolor);
+ }
+ if (!VectorLength2(lightcolor))
+ continue;
+ // shoot particles from this light
+ // use a calculation for the number of particles that will not
+ // vary with lightstyle, otherwise we get randomized particle
+ // distribution, the seeded random is only consistent for a
+ // consistent number of particles on this light...
+ radius = rtlight->radius * bound(0.0001f, r_shadow_bouncegrid_lightradiusscale.value, 1024.0f);
+ s = rtlight->radius;
+ lightintensity = VectorLength(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale);
+ if (lightindex >= range)
+ lightintensity *= r_shadow_bouncegrid_dlightparticlemultiplier.value;
+ photoncount += max(0.0f, lightintensity * s * s);
+ }
+ photonscaling = bound(1, r_shadow_bouncegrid_photons.value, 1048576) / max(1, photoncount);
+ photonresidual = 0.0f;
+ for (lightindex = 0;lightindex < range2;lightindex++)
+ {
+ if (isstatic)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light || !(light->flags & flag))
+ continue;
+ rtlight = &light->rtlight;
+ // when static, we skip styled lights because they tend to change...
+ if (rtlight->style > 0)
+ continue;
+ VectorScale(rtlight->color, (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale) * (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1), lightcolor);
+ }
+ else
+ {
+ if (lightindex < range)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ rtlight = &light->rtlight;
+ }
+ else
+ rtlight = r_refdef.scene.lights[lightindex - range];
+ // draw only visible lights (major speedup)
+ if (!rtlight->draw)
+ continue;
+ VectorScale(rtlight->currentcolor, rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale, lightcolor);
+ }
+ if (!VectorLength2(lightcolor))
+ continue;
+ // shoot particles from this light
+ // use a calculation for the number of particles that will not
+ // vary with lightstyle, otherwise we get randomized particle
+ // distribution, the seeded random is only consistent for a
+ // consistent number of particles on this light...
+ radius = rtlight->radius * bound(0.0001f, r_shadow_bouncegrid_lightradiusscale.value, 1024.0f);
+ s = rtlight->radius;
+ lightintensity = VectorLength(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale);
+ if (lightindex >= range)
+ lightintensity *= r_shadow_bouncegrid_dlightparticlemultiplier.value;
+ photonresidual += lightintensity * s * s * photonscaling;
+ shootparticles = (int)bound(0, photonresidual, MAXBOUNCEGRIDPARTICLESPERLIGHT);
+ if (!shootparticles)
+ continue;
+ photonresidual -= shootparticles;
+ s = r_shadow_bouncegrid_particleintensity.value / shootparticles;
+ VectorScale(lightcolor, s, baseshotcolor);
+ if (VectorLength2(baseshotcolor) == 0.0f)
+ break;
+ r_refdef.stats.bouncegrid_lights++;
+ r_refdef.stats.bouncegrid_particles += shootparticles;
+ for (shotparticles = 0;shotparticles < shootparticles;shotparticles++)
+ {
+ if (r_shadow_bouncegrid_stablerandom.integer > 0)
+ seed = lightindex * 11937 + shotparticles;
+ VectorCopy(baseshotcolor, shotcolor);
+ VectorCopy(rtlight->shadoworigin, clipstart);
+ if (r_shadow_bouncegrid_stablerandom.integer < 0)
+ VectorRandom(clipend);
+ else
+ VectorCheeseRandom(clipend);
+ VectorMA(clipstart, radius, clipend, clipend);
+ for (bouncecount = 0;;bouncecount++)
+ {
+ r_refdef.stats.bouncegrid_traces++;
+ //r_refdef.scene.worldmodel->TraceLineAgainstSurfaces(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace, clipstart, clipend, hitsupercontentsmask);
+ //r_refdef.scene.worldmodel->TraceLine(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace2, clipstart, clipend, hitsupercontentsmask);
+ cliptrace = CL_TraceLine(clipstart, clipend, r_shadow_bouncegrid_hitmodels.integer ? MOVE_HITMODEL : MOVE_NOMONSTERS, NULL, hitsupercontentsmask, true, false, NULL, true, true);
+ //Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask);
+ if (cliptrace.fraction >= 1.0f)
+ break;
+ r_refdef.stats.bouncegrid_hits++;
+ if (bouncecount > 0)
+ {
+ r_refdef.stats.bouncegrid_splats++;
+ // figure out which texture pixel this is in
+ texlerp[1][0] = ((cliptrace.endpos[0] - mins[0]) * ispacing[0]);
+ texlerp[1][1] = ((cliptrace.endpos[1] - mins[1]) * ispacing[1]);
+ texlerp[1][2] = ((cliptrace.endpos[2] - mins[2]) * ispacing[2]);
+ tex[0] = (int)floor(texlerp[1][0]);
+ tex[1] = (int)floor(texlerp[1][1]);
+ tex[2] = (int)floor(texlerp[1][2]);
+ if (tex[0] >= 1 && tex[1] >= 1 && tex[2] >= 1 && tex[0] < resolution[0] - 2 && tex[1] < resolution[1] - 2 && tex[2] < resolution[2] - 2)
+ {
+ // it is within bounds... do the real work now
+ // calculate first order spherical harmonics values (average, slopeX, slopeY, slopeZ)
+ if (directionalshading)
+ {
+ VectorSubtract(clipstart, cliptrace.endpos, clipdiff);
+ VectorNormalize(clipdiff);
+ splatcolor[ 0] = shotcolor[0] * clipdiff[2];
+ splatcolor[ 1] = shotcolor[0] * clipdiff[1];
+ splatcolor[ 2] = shotcolor[0] * clipdiff[0];
+ splatcolor[ 3] = shotcolor[0];
+ splatcolor[ 4] = shotcolor[1] * clipdiff[2];
+ splatcolor[ 5] = shotcolor[1] * clipdiff[1];
+ splatcolor[ 6] = shotcolor[1] * clipdiff[0];
+ splatcolor[ 7] = shotcolor[1];
+ splatcolor[ 8] = shotcolor[2] * clipdiff[2];
+ splatcolor[ 9] = shotcolor[2] * clipdiff[1];
+ splatcolor[10] = shotcolor[2] * clipdiff[0];
+ splatcolor[11] = shotcolor[2];
+ w = VectorLength(shotcolor);
+ splatcolor[12] = clipdiff[2] * w;
+ splatcolor[13] = clipdiff[1] * w;
+ splatcolor[14] = clipdiff[0] * w;
+ splatcolor[15] = 1.0f;
+ }
+ else
+ {
+ splatcolor[ 0] = shotcolor[2];
+ splatcolor[ 1] = shotcolor[1];
+ splatcolor[ 2] = shotcolor[0];
+ splatcolor[ 3] = 1.0f;
+ }
+ // calculate the lerp factors
+ texlerp[1][0] -= tex[0];
+ texlerp[1][1] -= tex[1];
+ texlerp[1][2] -= tex[2];
+ texlerp[0][0] = 1.0f - texlerp[1][0];
+ texlerp[0][1] = 1.0f - texlerp[1][1];
+ texlerp[0][2] = 1.0f - texlerp[1][2];
+ // calculate individual pixel indexes and weights
+ pixelindex[0] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[0] = (texlerp[0][0]*texlerp[0][1]*texlerp[0][2]);
+ pixelindex[1] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[1] = (texlerp[1][0]*texlerp[0][1]*texlerp[0][2]);
+ pixelindex[2] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[2] = (texlerp[0][0]*texlerp[1][1]*texlerp[0][2]);
+ pixelindex[3] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[3] = (texlerp[1][0]*texlerp[1][1]*texlerp[0][2]);
+ pixelindex[4] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[4] = (texlerp[0][0]*texlerp[0][1]*texlerp[1][2]);
+ pixelindex[5] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[5] = (texlerp[1][0]*texlerp[0][1]*texlerp[1][2]);
+ pixelindex[6] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[6] = (texlerp[0][0]*texlerp[1][1]*texlerp[1][2]);
+ pixelindex[7] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[7] = (texlerp[1][0]*texlerp[1][1]*texlerp[1][2]);
+ // update the 8 pixels...
+ for (corner = 0;corner < 8;corner++)
+ {
+ // calculate address for first set of coefficients
+ w = pixelweight[corner];
+ pixel = pixels + 4 * pixelindex[corner];
+ highpixel = highpixels + 4 * pixelindex[corner];
+ // add to the high precision pixel color
+ highpixel[0] += (splatcolor[ 0]*w);
+ highpixel[1] += (splatcolor[ 1]*w);
+ highpixel[2] += (splatcolor[ 2]*w);
+ highpixel[3] += (splatcolor[ 3]*w);
+ // flag the low precision pixel as needing to be updated
+ pixel[3] = 255;
+ if (directionalshading)
+ {
+ // advance to second set of coefficients
+ pixel += numpixels;
+ highpixel += numpixels;
+ // add to the high precision pixel color
+ highpixel[0] += (splatcolor[ 4]*w);
+ highpixel[1] += (splatcolor[ 5]*w);
+ highpixel[2] += (splatcolor[ 6]*w);
+ highpixel[3] += (splatcolor[ 7]*w);
+ // flag the low precision pixel as needing to be updated
+ pixel[3] = 255;
+ // advance to third set of coefficients
+ pixel += numpixels;
+ highpixel += numpixels;
+ // add to the high precision pixel color
+ highpixel[0] += (splatcolor[ 8]*w);
+ highpixel[1] += (splatcolor[ 9]*w);
+ highpixel[2] += (splatcolor[10]*w);
+ highpixel[3] += (splatcolor[11]*w);
+ // flag the low precision pixel as needing to be updated
+ pixel[3] = 255;
+ // advance to fourth set of coefficients
+ pixel += numpixels;
+ highpixel += numpixels;
+ // add to the high precision pixel color
+ highpixel[0] += (splatcolor[12]*w);
+ highpixel[1] += (splatcolor[13]*w);
+ highpixel[2] += (splatcolor[14]*w);
+ highpixel[3] += (splatcolor[15]*w);
+ // flag the low precision pixel as needing to be updated
+ pixel[3] = 255;
+ }
+ }
+ }
+ }
+ if (bouncecount >= maxbounce)
+ break;
+ // scale down shot color by bounce intensity and texture color (or 50% if no texture reported)
+ // also clamp the resulting color to never add energy, even if the user requests extreme values
+ if (cliptrace.hittexture && cliptrace.hittexture->currentskinframe)
+ VectorCopy(cliptrace.hittexture->currentskinframe->avgcolor, surfcolor);
+ else
+ VectorSet(surfcolor, 0.5f, 0.5f, 0.5f);
+ VectorScale(surfcolor, r_shadow_bouncegrid_particlebounceintensity.value, surfcolor);
+ surfcolor[0] = min(surfcolor[0], 1.0f);
+ surfcolor[1] = min(surfcolor[1], 1.0f);
+ surfcolor[2] = min(surfcolor[2], 1.0f);
+ VectorMultiply(shotcolor, surfcolor, shotcolor);
+ if (VectorLength2(baseshotcolor) == 0.0f)
+ break;
+ r_refdef.stats.bouncegrid_bounces++;
+ if (r_shadow_bouncegrid_bounceanglediffuse.integer)
+ {
+ // random direction, primarily along plane normal
+ s = VectorDistance(cliptrace.endpos, clipend);
+ if (r_shadow_bouncegrid_stablerandom.integer < 0)
+ VectorRandom(clipend);
+ else
+ VectorCheeseRandom(clipend);
+ VectorMA(cliptrace.plane.normal, 0.95f, clipend, clipend);
+ VectorNormalize(clipend);
+ VectorScale(clipend, s, clipend);
+ }
+ else
+ {
+ // reflect the remaining portion of the line across plane normal
+ VectorSubtract(clipend, cliptrace.endpos, clipdiff);
+ VectorReflect(clipdiff, 1.0, cliptrace.plane.normal, clipend);
+ }
+ // calculate the new line start and end
+ VectorCopy(cliptrace.endpos, clipstart);
+ VectorAdd(clipstart, clipend, clipend);
+ }
+ }
+ }
+ // generate pixels array from highpixels array
+ // skip first and last columns, rows, and layers as these are blank
+ // the pixel[3] value was written above, so we can use it to detect only pixels that need to be calculated
+ for (d = 0;d < 4;d++)
+ {
+ for (z = 1;z < resolution[2]-1;z++)
+ {
+ for (y = 1;y < resolution[1]-1;y++)
+ {
+ for (x = 1, pixelindex[0] = ((d*resolution[2]+z)*resolution[1]+y)*resolution[0]+x, pixel = pixels + 4*pixelindex[0], highpixel = highpixels + 4*pixelindex[0];x < resolution[0]-1;x++, pixel += 4, highpixel += 4)
+ {
+ // only convert pixels that were hit by photons
+ if (pixel[3] == 255)
+ {
+ // normalize the bentnormal...
+ if (directionalshading)
+ {
+ if (d == 3)
+ VectorNormalize(highpixel);
+ c[0] = (int)(highpixel[0]*128.0f+128.0f);
+ c[1] = (int)(highpixel[1]*128.0f+128.0f);
+ c[2] = (int)(highpixel[2]*128.0f+128.0f);
+ c[3] = (int)(highpixel[3]*128.0f+128.0f);
+ }
+ else
+ {
+ c[0] = (int)(highpixel[0]*256.0f);
+ c[1] = (int)(highpixel[1]*256.0f);
+ c[2] = (int)(highpixel[2]*256.0f);
+ c[3] = (int)(highpixel[3]*256.0f);
+ }
+ pixel[0] = (unsigned char)bound(0, c[0], 255);
+ pixel[1] = (unsigned char)bound(0, c[1], 255);
+ pixel[2] = (unsigned char)bound(0, c[2], 255);
+ pixel[3] = (unsigned char)bound(0, c[3], 255);
+ }
+ }
+ }
+ }
+ if (!directionalshading)
+ break;
+ }
+ if (r_shadow_bouncegridtexture && r_shadow_bouncegridresolution[0] == resolution[0] && r_shadow_bouncegridresolution[1] == resolution[1] && r_shadow_bouncegridresolution[2] == resolution[2])
+ R_UpdateTexture(r_shadow_bouncegridtexture, pixels, 0, 0, 0, resolution[0], resolution[1], resolution[2]*(directionalshading ? 4 : 1));
+ else
+ {
+ VectorCopy(resolution, r_shadow_bouncegridresolution);
+ if (r_shadow_bouncegridtexture)
+ R_FreeTexture(r_shadow_bouncegridtexture);
+ r_shadow_bouncegridtexture = R_LoadTexture3D(r_shadow_texturepool, "bouncegrid", resolution[0], resolution[1], resolution[2]*(directionalshading ? 4 : 1), pixels, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, 0, NULL);
+ }
+ r_shadow_bouncegridtime = realtime;
+}
+
void R_Shadow_RenderMode_VisibleShadowVolumes(void)
{
R_Shadow_RenderMode_Reset();
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
break;
case RENDERPATH_D3D9:
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
qglBlendEquationEXT(GL_FUNC_ADD_EXT);
break;
case RENDERPATH_D3D9:
{
// set up properties for rendering light onto this entity
RSurf_ActiveModelEntity(ent, true, true, false);
- GL_AlphaTest(false);
Matrix4x4_Concat(&rsurface.entitytolight, &rsurface.rtlight->matrix_worldtolight, &ent->matrix);
Matrix4x4_Concat(&rsurface.entitytoattenuationxyz, &matrix_attenuationxyz, &rsurface.entitytolight);
Matrix4x4_Concat(&rsurface.entitytoattenuationz, &matrix_attenuationz, &rsurface.entitytolight);
// set up properties for rendering light onto this entity
RSurf_ActiveWorldEntity();
- GL_AlphaTest(false);
rsurface.entitytolight = rsurface.rtlight->matrix_worldtolight;
Matrix4x4_Concat(&rsurface.entitytoattenuationxyz, &matrix_attenuationxyz, &rsurface.entitytolight);
Matrix4x4_Concat(&rsurface.entitytoattenuationz, &matrix_attenuationz, &rsurface.entitytolight);
R_Mesh_DestroyFramebufferObject(r_shadow_prepassgeometryfbo);
r_shadow_prepassgeometryfbo = 0;
- R_Mesh_DestroyFramebufferObject(r_shadow_prepasslightingfbo);
- r_shadow_prepasslightingfbo = 0;
+ R_Mesh_DestroyFramebufferObject(r_shadow_prepasslightingdiffusespecularfbo);
+ r_shadow_prepasslightingdiffusespecularfbo = 0;
+
+ R_Mesh_DestroyFramebufferObject(r_shadow_prepasslightingdiffusefbo);
+ r_shadow_prepasslightingdiffusefbo = 0;
if (r_shadow_prepassgeometrydepthtexture)
R_FreeTexture(r_shadow_prepassgeometrydepthtexture);
entity_render_t *ent;
float clearcolor[4];
- GL_AlphaTest(false);
R_Mesh_ResetTextureState();
GL_DepthMask(true);
GL_ColorMask(1,1,1,1);
GL_ColorMask(1,1,1,1);
GL_Color(1,1,1,1);
GL_DepthTest(true);
- R_Mesh_SetRenderTargets(r_shadow_prepasslightingfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
Vector4Set(clearcolor, 0, 0, 0, 0);
GL_Clear(GL_COLOR_BUFFER_BIT, clearcolor, 1.0f, 0);
if (r_timereport_active)
switch (vid.renderpath)
{
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
case RENDERPATH_D3D9:
case RENDERPATH_D3D10:
case RENDERPATH_D3D11:
case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
if (!r_shadow_deferred.integer || r_shadow_shadowmode == R_SHADOW_SHADOWMODE_STENCIL || !vid.support.ext_framebuffer_object || vid.maxdrawbuffers < 2)
{
r_shadow_usingdeferredprepass = false;
}
// set up the lighting pass fbo (diffuse + specular)
- r_shadow_prepasslightingfbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
- R_Mesh_SetRenderTargets(r_shadow_prepasslightingfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ r_shadow_prepasslightingdiffusespecularfbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
// render diffuse into one texture and specular into another,
// with depth and normalmap bound as textures,
// with depth bound as attachment as well
r_shadow_usingdeferredprepass = false;
}
}
+
+ // set up the lighting pass fbo (diffuse)
+ r_shadow_prepasslightingdiffusefbo = R_Mesh_CreateFramebufferObject(r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
+ // render diffuse into one texture,
+ // with depth and normalmap bound as textures,
+ // with depth bound as attachment as well
+ if (qglDrawBuffersARB)
+ {
+ qglDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);CHECKGLERROR
+ qglReadBuffer(GL_NONE);CHECKGLERROR
+ status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
+ {
+ Con_Printf("R_PrepareRTLights: glCheckFramebufferStatusEXT returned %i\n", status);
+ Cvar_SetValueQuick(&r_shadow_deferred, 0);
+ r_shadow_usingdeferredprepass = false;
+ }
+ }
}
break;
case RENDERPATH_GL13:
if (r_editlights.integer)
R_Shadow_DrawLightSprites();
+
+ R_Shadow_UpdateBounceGridTexture();
}
void R_Shadow_DrawLights(void)
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
case RENDERPATH_SOFT:
+ case RENDERPATH_GLES2:
break;
case RENDERPATH_D3D9:
case RENDERPATH_D3D10:
case RENDERPATH_GL20:
case RENDERPATH_GL13:
case RENDERPATH_GL11:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
CHECKGLERROR
// NOTE: GL_DEPTH_TEST must be enabled or ATI won't count samples, so use GL_DepthFunc instead
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_allpixels);
case RENDERPATH_GL20:
case RENDERPATH_GL13:
case RENDERPATH_GL11:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
CHECKGLERROR
qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels);
qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels);
else
{
// FIXME: these traces should scan all render entities instead of cl.world
- if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1)
+ if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
return;
}
VectorScale(rtlight->currentcolor, cscale, color);
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
break;
case RENDERPATH_D3D9:
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
qglBlendEquationEXT(GL_FUNC_ADD_EXT);
break;
case RENDERPATH_D3D9:
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
- case RENDERPATH_CGGL:
+ case RENDERPATH_GLES2:
usequery = vid.support.arb_occlusion_query && r_coronas_occlusionquery.integer;
if (usequery)
{
Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
break;
case RENDERPATH_SOFT:
+ usequery = false;
//Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
break;
}
if (rating >= 0.95)
{
rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp)));
- if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1.0f)
+ if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1.0f)
{
bestrating = rating;
best = light;
vec3_t dest, endpos;
trace_t trace;
VectorMA(r_refdef.view.origin, r_editlights_cursordistance.value, r_refdef.view.forward, dest);
- trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
+ trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true);
if (trace.fraction < 1)
{
dist = trace.fraction * r_editlights_cursordistance.value;
origin[1] = atof(Cmd_Argv(3));
origin[2] = atof(Cmd_Argv(4));
}
+ else if (!strcmp(Cmd_Argv(1), "originscale"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1));
+ return;
+ }
+ origin[0] *= atof(Cmd_Argv(2));
+ origin[1] *= atof(Cmd_Argv(3));
+ origin[2] *= atof(Cmd_Argv(4));
+ }
else if (!strcmp(Cmd_Argv(1), "originx"))
{
if (Cmd_Argc() != 3)
"colorscale r g b : multiply color of light (1 1 1 does nothing)\n"
"radiusscale scale : multiply radius (size) of light (1 does nothing)\n"
"sizescale scale : multiply radius (size) of light (1 does nothing)\n"
+"originscale x y z : multiply origin of light (1 1 1 does nothing)\n"
"style style : set lightstyle of light (flickering patterns, switches, etc)\n"
"cubemap basename : set filter cubemap of light (not yet supported)\n"
"shadows 1/0 : turn on/off shadows\n"
=============================================================================
*/
-void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const vec3_t p, const int flags)
+void R_LightPoint(vec3_t color, const vec3_t p, const int flags)
{
int i, numlights, flag;
float f, relativepoint[3], dist, dist2, lightradius2;
+ vec3_t diffuse, n;
rtlight_t *light;
dlight_t *dlight;
- VectorClear(diffusecolor);
- VectorClear(diffusenormal);
+ VectorClear(color);
+
+ if (r_fullbright.integer)
+ {
+ VectorSet(color, 1, 1, 1);
+ return;
+ }
if (flags & LP_LIGHTMAP)
{
if (!r_fullbright.integer && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.LightPoint)
{
- ambientcolor[0] = ambientcolor[1] = ambientcolor[2] = r_refdef.scene.ambient;
- r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, color, diffuse, n);
+ color[0] += r_refdef.scene.ambient + diffuse[0];
+ color[1] += r_refdef.scene.ambient + diffuse[1];
+ color[2] += r_refdef.scene.ambient + diffuse[2];
}
else
- VectorSet(ambientcolor, 1, 1, 1);
+ VectorSet(color, 1, 1, 1);
}
if (flags & LP_RTWORLD)
{
if (f <= 0)
continue;
// todo: add to both ambient and diffuse
- if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1)
- VectorMA(ambientcolor, f, light->currentcolor, ambientcolor);
+ if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1)
+ VectorMA(color, f, light->currentcolor, color);
}
}
if (flags & LP_DYNLIGHT)
if (f <= 0)
continue;
// todo: add to both ambient and diffuse
- if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1)
- VectorMA(ambientcolor, f, light->color, ambientcolor);
+ if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1)
+ VectorMA(color, f, light->color, color);
}
}
}
+
+void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const vec3_t p, const int flags)
+{
+ int i, numlights, flag;
+ rtlight_t *light;
+ dlight_t *dlight;
+ float relativepoint[3];
+ float color[3];
+ float dir[3];
+ float dist;
+ float dist2;
+ float intensity;
+ float sample[5*3];
+ float lightradius2;
+
+ if (r_fullbright.integer)
+ {
+ VectorSet(ambient, 1, 1, 1);
+ VectorClear(diffuse);
+ VectorClear(lightdir);
+ return;
+ }
+
+ if (flags == LP_LIGHTMAP)
+ {
+ VectorSet(ambient, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
+ VectorClear(diffuse);
+ VectorClear(lightdir);
+ if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.LightPoint)
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, ambient, diffuse, lightdir);
+ return;
+ }
+
+ memset(sample, 0, sizeof(sample));
+ VectorSet(sample, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
+
+ if ((flags & LP_LIGHTMAP) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.LightPoint)
+ {
+ vec3_t tempambient;
+ VectorClear(tempambient);
+ VectorClear(color);
+ VectorClear(relativepoint);
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, tempambient, color, relativepoint);
+ VectorScale(tempambient, r_refdef.lightmapintensity, tempambient);
+ VectorScale(color, r_refdef.lightmapintensity, color);
+ VectorAdd(sample, tempambient, sample);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity = VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+
+ if (flags & LP_RTWORLD)
+ {
+ flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+ numlights = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);
+ for (i = 0; i < numlights; i++)
+ {
+ dlight = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, i);
+ if (!dlight)
+ continue;
+ light = &dlight->rtlight;
+ if (!(light->flags & flag))
+ continue;
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ intensity = min(1.0f, (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) * r_shadow_lightintensityscale.value;
+ if (intensity <= 0.0f)
+ continue;
+ if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
+ continue;
+ // scale down intensity to add to both ambient and diffuse
+ //intensity *= 0.5f;
+ VectorNormalize(relativepoint);
+ VectorScale(light->currentcolor, intensity, color);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity *= VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+ }
+
+ if (flags & LP_DYNLIGHT)
+ {
+ // sample dlights
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ light = r_refdef.scene.lights[i];
+ // sample
+ lightradius2 = light->radius * light->radius;
+ VectorSubtract(light->shadoworigin, p, relativepoint);
+ dist2 = VectorLength2(relativepoint);
+ if (dist2 >= lightradius2)
+ continue;
+ dist = sqrt(dist2) / light->radius;
+ intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist) * r_shadow_lightintensityscale.value;
+ if (intensity <= 0.0f)
+ continue;
+ if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1)
+ continue;
+ // scale down intensity to add to both ambient and diffuse
+ //intensity *= 0.5f;
+ VectorNormalize(relativepoint);
+ VectorScale(light->currentcolor, intensity, color);
+ VectorMA(sample , 0.5f , color, sample );
+ VectorMA(sample + 3, relativepoint[0], color, sample + 3);
+ VectorMA(sample + 6, relativepoint[1], color, sample + 6);
+ VectorMA(sample + 9, relativepoint[2], color, sample + 9);
+ // calculate a weighted average light direction as well
+ intensity *= VectorLength(color);
+ VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ }
+ }
+
+ // calculate the direction we'll use to reduce the sample to a directional light source
+ VectorCopy(sample + 12, dir);
+ //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
+ VectorNormalize(dir);
+ // extract the diffuse color along the chosen direction and scale it
+ diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]);
+ diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]);
+ diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]);
+ // subtract some of diffuse from ambient
+ VectorMA(sample, -0.333f, diffuse, ambient);
+ // store the normalized lightdir
+ VectorCopy(dir, lightdir);
+}