Overhauled shadowmap rendering to use an atlas texture, this is overall a speed loss...

[xonotic/darkplaces.git] / client.h

diff --git a/client.h b/client.h
index 4b6e5660355086a153db3b68cc7b5c000f4cd912..4230c6a82d27819abfee3aa1b0497b4b83330df9 100644 (file)
--- a/client.h
+++ b/client.h
@@ -286,7 +286,7 @@ typedef struct rtlight_s
        char cubemapname[64];
        /// light style to monitor for brightness
        int style;
-       /// whether light should render shadows
+       /// whether light should render shadows (see castshadows for whether it actually does this frame)
        int shadow;
        /// intensity of corona to render
        vec_t corona;
@@ -323,6 +323,8 @@ typedef struct rtlight_s
        rtexture_t *currentcubemap;
        /// set by R_Shadow_PrepareLight to decide whether R_Shadow_DrawLight should draw it
        qboolean draw;
+       /// set by R_Shadow_PrepareLight to indicate whether R_Shadow_DrawShadowMaps should do anything
+       qboolean castshadows;
        /// these fields are set by R_Shadow_PrepareLight for later drawing
        int cached_numlightentities;
        int cached_numlightentities_noselfshadow;
@@ -352,6 +354,12 @@ typedef struct rtlight_s
        int compiled;
        /// the shadowing mode used to compile this light
        int shadowmode;
+       /// the size that this light should have (assuming no scene LOD kicking in to reduce it)
+       int shadowmapsidesize;
+       /// position of this light in the shadowmap atlas
+       int shadowmapatlasposition[2];
+       /// size of one side of this light in the shadowmap atlas (for omnidirectional shadowmaps this is the min corner of a 2x3 arrangement, or a 4x3 arrangement in the case of noselfshadow entities being present)
+       int shadowmapatlassidesize;
        /// premade shadow volumes to render for world entity
        shadowmesh_t *static_meshchain_shadow_zpass;
        shadowmesh_t *static_meshchain_shadow_zfail;