Broken implementation of window colours, move towards stencil ceilings

2025-10-29 21:48:09 +00:00
parent 40c1907689
commit c2e5aaa7a0
17 changed files with 76 additions and 85 deletions
@@ -157,6 +157,7 @@ renderShadows shadrendertype nWalls nSils nCaps positiontexture normaltexture li
        glDepthFunc GL_LESS
        -- setup stencil
        glColorMask GL_FALSE GL_FALSE GL_FALSE GL_FALSE
+        glStencilMask 127 -- so we only affect the last 7 bits
        with 0 $ \ptr ->
            glClearNamedFramebufferiv
                (pdata ^. fboLighting . _1 . unFBO)
@@ -164,7 +165,8 @@ renderShadows shadrendertype nWalls nSils nCaps positiontexture normaltexture li
                0
                ptr
        glDisable GL_CULL_FACE
-        glStencilFunc GL_ALWAYS 0 255
+        -- the first bit has been used to stencil out "ceilings" under which we never draw
+        glStencilFunc GL_NOTEQUAL 128 255 
        --draw wall shadows
        glUseProgram (_shaderUINT lwallShad)
        glUniform3f 0 x y z