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Fix span dynamic light rendering glitch
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parent
1e7ea1c7ff
commit
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1 changed files with 15 additions and 11 deletions
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@ -209,19 +209,27 @@ namespace swrenderer
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drawerargs.dc_viewpos.Z = (float)((viewport->CenterY - y - 0.5) / viewport->InvZtoScale * zspan);
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drawerargs.dc_viewpos_step.X = (float)(zspan / viewport->CenterX);
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static DrawerLight lightbuffer[64 * 1024];
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static int nextlightindex = 0;
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// Plane normal
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drawerargs.dc_normal.X = 0.0f;
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drawerargs.dc_normal.Y = 0.0f;
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drawerargs.dc_normal.Z = (y >= viewport->CenterY) ? 1.0f : -1.0f;
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// Setup lights for row
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drawerargs.dc_num_lights = 0;
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drawerargs.dc_lights = lightbuffer + nextlightindex;
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// Calculate max lights that can touch the row so we can allocate memory for the list
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int max_lights = 0;
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VisiblePlaneLight *cur_node = light_list;
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while (cur_node && nextlightindex < 64 * 1024)
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while (cur_node)
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{
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if (!(cur_node->lightsource->flags2&MF2_DORMANT))
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max_lights++;
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cur_node = cur_node->next;
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}
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drawerargs.dc_num_lights = 0;
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drawerargs.dc_lights = Thread->FrameMemory->AllocMemory<DrawerLight>(max_lights);
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// Setup lights for row
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cur_node = light_list;
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while (cur_node)
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{
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double lightX = cur_node->lightsource->X() - ViewPos.X;
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double lightY = cur_node->lightsource->Y() - ViewPos.Y;
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@ -244,7 +252,6 @@ namespace swrenderer
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uint32_t green = cur_node->lightsource->GetGreen();
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uint32_t blue = cur_node->lightsource->GetBlue();
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nextlightindex++;
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auto &light = drawerargs.dc_lights[drawerargs.dc_num_lights++];
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light.x = lx;
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light.y = lconstant;
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@ -255,9 +262,6 @@ namespace swrenderer
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cur_node = cur_node->next;
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}
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if (nextlightindex == 64 * 1024)
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nextlightindex = 0;
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}
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else
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{
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