X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;ds=sidebyside;f=r_shadow.c;h=b47711144f1845bff441a76804743a8b248ef7f4;hb=c678ac88ae44d7ee40e4706f107c481426179642;hp=106bcc82c498d50377983d19b87e5255544f7c81;hpb=c03ddda1e107e8483568d3d65c10df51ef556ee5;p=xonotic%2Fdarkplaces.git diff --git a/r_shadow.c b/r_shadow.c index 106bcc82..b4771114 100644 --- a/r_shadow.c +++ b/r_shadow.c @@ -1507,19 +1507,48 @@ int R_Shadow_CullFrustumSides(rtlight_t *rtlight, float size, float border) } // this next test usually clips off more sides than the former, but occasionally clips fewer/different ones, so do both and combine results // check if frustum corners/origin cross plane sides +#if 1 + // infinite version, assumes frustum corners merely give direction and extend to infinite distance + Matrix4x4_Transform(&rtlight->matrix_worldtolight, r_refdef.view.origin, p); + dp = p[0] + p[1], dn = p[0] - p[1], ap = fabs(dp), an = fabs(dn); + masks[0] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2)); + masks[1] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2)); + dp = p[1] + p[2], dn = p[1] - p[2], ap = fabs(dp), an = fabs(dn); + masks[2] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4)); + masks[3] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4)); + dp = p[2] + p[0], dn = p[2] - p[0], ap = fabs(dp), an = fabs(dn); + masks[4] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0)); + masks[5] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0)); + for (i = 0;i < 4;i++) + { + Matrix4x4_Transform(&rtlight->matrix_worldtolight, r_refdef.view.frustumcorner[i], n); + VectorSubtract(n, p, n); + dp = n[0] + n[1], dn = n[0] - n[1], ap = fabs(dp), an = fabs(dn); + if(ap > 0) masks[0] |= dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2); + if(an > 0) masks[1] |= dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2); + dp = n[1] + n[2], dn = n[1] - n[2], ap = fabs(dp), an = fabs(dn); + if(ap > 0) masks[2] |= dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4); + if(an > 0) masks[3] |= dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4); + dp = n[2] + n[0], dn = n[2] - n[0], ap = fabs(dp), an = fabs(dn); + if(ap > 0) masks[4] |= dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0); + if(an > 0) masks[5] |= dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0); + } +#else + // finite version, assumes corners are a finite distance from origin dependent on far plane for (i = 0;i < 5;i++) { Matrix4x4_Transform(&rtlight->matrix_worldtolight, !i ? r_refdef.view.origin : r_refdef.view.frustumcorner[i-1], p); - dp = p[0] + p[1], dn = p[0] - p[1], ap = fabs(dp), an = fabs(dn), + dp = p[0] + p[1], dn = p[0] - p[1], ap = fabs(dp), an = fabs(dn); masks[0] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<0)|(1<<2) : (2<<0)|(2<<2)); masks[1] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<0)|(2<<2) : (2<<0)|(1<<2)); - dp = p[1] + p[2], dn = p[1] - p[2], ap = fabs(dp), an = fabs(dn), + dp = p[1] + p[2], dn = p[1] - p[2], ap = fabs(dp), an = fabs(dn); masks[2] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<2)|(1<<4) : (2<<2)|(2<<4)); masks[3] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<2)|(2<<4) : (2<<2)|(1<<4)); - dp = p[2] + p[0], dn = p[2] - p[0], ap = fabs(dp), an = fabs(dn), + dp = p[2] + p[0], dn = p[2] - p[0], ap = fabs(dp), an = fabs(dn); masks[4] |= ap <= bias*an ? 0x3F : (dp >= 0 ? (1<<4)|(1<<0) : (2<<4)|(2<<0)); masks[5] |= an <= bias*ap ? 0x3F : (dn >= 0 ? (1<<4)|(2<<0) : (2<<4)|(1<<0)); } +#endif return sides & masks[0] & masks[1] & masks[2] & masks[3] & masks[4] & masks[5]; } @@ -2108,15 +2137,15 @@ void R_Shadow_RenderMode_ShadowMap(int side, int clear, int size) nearclip = r_shadow_shadowmapping_nearclip.value / rsurface.rtlight->radius; farclip = 1.0f; bias = r_shadow_shadowmapping_bias.value * nearclip * (1024.0f / size);// * rsurface.rtlight->radius; - r_shadow_shadowmap_parameters[2] = 0.5f + 0.5f * (farclip + nearclip) / (farclip - nearclip); - r_shadow_shadowmap_parameters[3] = -nearclip * farclip / (farclip - nearclip) - 0.5f * bias; + r_shadow_shadowmap_parameters[1] = -nearclip * farclip / (farclip - nearclip) - 0.5f * bias; + r_shadow_shadowmap_parameters[3] = 0.5f + 0.5f * (farclip + nearclip) / (farclip - nearclip); r_shadow_shadowmapside = side; r_shadow_shadowmapsize = size; switch (r_shadow_shadowmode) { case R_SHADOW_SHADOWMODE_SHADOWMAP2D: r_shadow_shadowmap_parameters[0] = 0.5f * (size - r_shadow_shadowmapborder); - r_shadow_shadowmap_parameters[1] = r_shadow_shadowmapvsdct ? 2.5f*size : size; + r_shadow_shadowmap_parameters[2] = r_shadow_shadowmapvsdct ? 2.5f*size : size; R_Viewport_InitRectSideView(&viewport, &rsurface.rtlight->matrix_lighttoworld, side, size, r_shadow_shadowmapborder, nearclip, farclip, NULL); if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAP2D) goto init_done; @@ -2133,7 +2162,7 @@ void R_Shadow_RenderMode_ShadowMap(int side, int clear, int size) break; case R_SHADOW_SHADOWMODE_SHADOWMAPRECTANGLE: r_shadow_shadowmap_parameters[0] = 0.5f * (size - r_shadow_shadowmapborder); - r_shadow_shadowmap_parameters[1] = r_shadow_shadowmapvsdct ? 2.5f*size : size; + r_shadow_shadowmap_parameters[2] = r_shadow_shadowmapvsdct ? 2.5f*size : size; R_Viewport_InitRectSideView(&viewport, &rsurface.rtlight->matrix_lighttoworld, side, size, r_shadow_shadowmapborder, nearclip, farclip, NULL); if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPRECTANGLE) goto init_done; @@ -2150,7 +2179,7 @@ void R_Shadow_RenderMode_ShadowMap(int side, int clear, int size) break; case R_SHADOW_SHADOWMODE_SHADOWMAPCUBESIDE: r_shadow_shadowmap_parameters[0] = 1.0f; - r_shadow_shadowmap_parameters[1] = 1.0f; + r_shadow_shadowmap_parameters[2] = 1.0f; R_Viewport_InitCubeSideView(&viewport, &rsurface.rtlight->matrix_lighttoworld, side, size, nearclip, farclip, NULL); if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPCUBESIDE) goto init_done; @@ -4202,12 +4231,14 @@ extern cvar_t r_shadows_drawafterrtlighting; extern cvar_t r_shadows_castfrombmodels; extern cvar_t r_shadows_throwdistance; extern cvar_t r_shadows_throwdirection; +extern cvar_t r_shadows_focus; +extern cvar_t r_shadows_shadowmapscale; void R_Shadow_PrepareModelShadows(void) { int i; float scale, size, radius, dot1, dot2; - vec3_t shadowdir, shadowforward, shadowright, shadoworigin, shadowmins, shadowmaxs; + vec3_t shadowdir, shadowforward, shadowright, shadoworigin, shadowfocus, shadowmins, shadowmaxs; entity_render_t *ent; if (!r_refdef.scene.numentities) @@ -4218,12 +4249,12 @@ void R_Shadow_PrepareModelShadows(void) case R_SHADOW_SHADOWMODE_SHADOWMAP2D: case R_SHADOW_SHADOWMODE_SHADOWMAPRECTANGLE: break; - case R_SHADOW_SHADOWMODE_STENCIL; + case R_SHADOW_SHADOWMODE_STENCIL: for (i = 0;i < r_refdef.scene.numentities;i++) { ent = r_refdef.scene.entities[i]; if (!ent->animcache_vertex3f && ent->model && ent->model->DrawShadowVolume != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW)) - R_AnimCache_GetEntity(ent false, false); + R_AnimCache_GetEntity(ent, false, false); } return; default: @@ -4231,8 +4262,9 @@ void R_Shadow_PrepareModelShadows(void) } size = 2*r_shadow_shadowmapmaxsize; - scale = r_shadow_shadowmapping_precision.value; + scale = r_shadow_shadowmapping_precision.value * r_shadows_shadowmapscale.value; radius = 0.5f * size / scale; + Math_atov(r_shadows_throwdirection.string, shadowdir); VectorNormalize(shadowdir); dot1 = DotProduct(r_refdef.view.forward, shadowdir); @@ -4243,7 +4275,14 @@ void R_Shadow_PrepareModelShadows(void) VectorMA(r_refdef.view.up, -dot2, shadowdir, shadowforward); VectorNormalize(shadowforward); CrossProduct(shadowdir, shadowforward, shadowright); - VectorMA(r_refdef.view.origin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin); + Math_atov(r_shadows_focus.string, shadowfocus); + VectorM(shadowfocus[0], r_refdef.view.right, shadoworigin); + VectorMA(shadoworigin, shadowfocus[1], r_refdef.view.up, shadoworigin); + VectorMA(shadoworigin, -shadowfocus[2], r_refdef.view.forward, shadoworigin); + VectorAdd(shadoworigin, r_refdef.view.origin, shadoworigin); + if (shadowfocus[0] || shadowfocus[1] || shadowfocus[2]) + dot1 = 1; + VectorMA(shadoworigin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin); shadowmins[0] = shadoworigin[0] - r_shadows_throwdistance.value * fabs(shadowdir[0]) - radius * (fabs(shadowforward[0]) + fabs(shadowright[0])); shadowmins[1] = shadoworigin[1] - r_shadows_throwdistance.value * fabs(shadowdir[1]) - radius * (fabs(shadowforward[1]) + fabs(shadowright[1])); @@ -4266,14 +4305,14 @@ void R_Shadow_PrepareModelShadows(void) void R_DrawModelShadowMaps(void) { int i; - float relativethrowdistance, scale, size, radius, nearclip, farclip, dot1, dot2; + float relativethrowdistance, scale, size, radius, nearclip, farclip, bias, dot1, dot2; entity_render_t *ent; vec3_t relativelightorigin; vec3_t relativelightdirection, relativeforward, relativeright; vec3_t relativeshadowmins, relativeshadowmaxs; - vec3_t shadowdir, shadowforward, shadowright, shadoworigin; + vec3_t shadowdir, shadowforward, shadowright, shadoworigin, shadowfocus; float m[12]; - matrix4x4_t shadowmatrix, cameramatrix, mvpmatrix, invmvpmatrix; + matrix4x4_t shadowmatrix, cameramatrix, mvpmatrix, invmvpmatrix, scalematrix, texmatrix; r_viewport_t viewport; GLuint fbo = 0; @@ -4317,18 +4356,24 @@ void R_DrawModelShadowMaps(void) } size = 2*r_shadow_shadowmapmaxsize; - - r_shadow_shadowmap_parameters[0] = bound(0.0f, 1.0f - r_shadows_darken.value, 1.0f); - r_shadow_shadowmap_parameters[1] = 1.0f; - r_shadow_shadowmap_parameters[2] = size; - r_shadow_shadowmap_parameters[3] = size; - - scale = r_shadow_shadowmapping_precision.value; - radius = 0.5f * size / scale; + scale = (r_shadow_shadowmapping_precision.value * r_shadows_shadowmapscale.value) / size; + radius = 0.5f / scale; nearclip = -r_shadows_throwdistance.value; farclip = r_shadows_throwdistance.value; + bias = r_shadow_shadowmapping_bias.value * r_shadow_shadowmapping_nearclip.value / (2 * r_shadows_throwdistance.value) * (1024.0f / size); + + r_shadow_shadowmap_parameters[0] = size; + r_shadow_shadowmap_parameters[1] = size; + r_shadow_shadowmap_parameters[2] = 1.0; + r_shadow_shadowmap_parameters[3] = bound(0.0f, 1.0f - r_shadows_darken.value, 1.0f); + Math_atov(r_shadows_throwdirection.string, shadowdir); VectorNormalize(shadowdir); + Math_atov(r_shadows_focus.string, shadowfocus); + VectorM(shadowfocus[0], r_refdef.view.right, shadoworigin); + VectorMA(shadoworigin, shadowfocus[1], r_refdef.view.up, shadoworigin); + VectorMA(shadoworigin, -shadowfocus[2], r_refdef.view.forward, shadoworigin); + VectorAdd(shadoworigin, r_refdef.view.origin, shadoworigin); dot1 = DotProduct(r_refdef.view.forward, shadowdir); dot2 = DotProduct(r_refdef.view.up, shadowdir); if (fabs(dot1) <= fabs(dot2)) @@ -4337,17 +4382,19 @@ void R_DrawModelShadowMaps(void) VectorMA(r_refdef.view.up, -dot2, shadowdir, shadowforward); VectorNormalize(shadowforward); VectorM(scale, shadowforward, &m[0]); - m[3] = fabs(dot1) * 0.5f * size - DotProduct(r_refdef.view.origin, &m[0]); + if (shadowfocus[0] || shadowfocus[1] || shadowfocus[2]) + dot1 = 1; + m[3] = fabs(dot1) * 0.5f - DotProduct(shadoworigin, &m[0]); CrossProduct(shadowdir, shadowforward, shadowright); VectorM(scale, shadowright, &m[4]); - m[7] = 0.5f * size - DotProduct(r_refdef.view.origin, &m[4]); + m[7] = 0.5f - DotProduct(shadoworigin, &m[4]); VectorM(1.0f / (farclip - nearclip), shadowdir, &m[8]); - m[11] = 0.5f - DotProduct(r_refdef.view.origin, &m[8]); + m[11] = 0.5f - DotProduct(shadoworigin, &m[8]); Matrix4x4_FromArray12FloatD3D(&shadowmatrix, m); Matrix4x4_Invert_Full(&cameramatrix, &shadowmatrix); - R_Viewport_InitOrtho(&viewport, &cameramatrix, 0, 0, size, size, 0, size, size, 0, 0, -1, NULL); + R_Viewport_InitOrtho(&viewport, &cameramatrix, 0, 0, size, size, 0, 0, 1, 1, 0, -1, NULL); - VectorMA(r_refdef.view.origin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin); + VectorMA(shadoworigin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin); #if 0 qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);CHECKGLERROR @@ -4400,7 +4447,10 @@ void R_DrawModelShadowMaps(void) Matrix4x4_Concat(&mvpmatrix, &r_refdef.view.viewport.projectmatrix, &r_refdef.view.viewport.viewmatrix); Matrix4x4_Invert_Full(&invmvpmatrix, &mvpmatrix); - Matrix4x4_Concat(&r_shadow_shadowmapmatrix, &shadowmatrix, &invmvpmatrix); + Matrix4x4_CreateScale3(&scalematrix, size, -size, 1); + Matrix4x4_AdjustOrigin(&scalematrix, 0, size, -0.5f * bias); + Matrix4x4_Concat(&texmatrix, &scalematrix, &shadowmatrix); + Matrix4x4_Concat(&r_shadow_shadowmapmatrix, &texmatrix, &invmvpmatrix); r_shadow_usingshadowmaportho = true; switch (r_shadow_shadowmode)