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[model] Rearrange msurface_t for better efficiency

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It's down to 128 bytes from 184, which fits nicely in two cache lines.
This made a nice difference to glsl, unknown to vulkan (it crashed after
about 31/51 timedemo loops), and was a was for sw and gl.
This commit is contained in:
Bill Currie 2022-05-11 00:16:13 +09:00
parent 0f7e6734f7
commit 7ed452027c
1 changed files with 25 additions and 14 deletions
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39
include/QF/model.h
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@ -139,36 +139,47 @@ typedef struct glpoly_s {
typedef struct msurface_s {
int visframe; // should be drawn when node is crossed
plane_t *plane;
int flags;
plane_t *plane;
int firstedge; // look up in model->surfedges[], negative numbers
int numedges; // are backwards edges
struct surfcache_s *cachespots[MIPLEVELS];
union {
// sw-only
struct surfcache_s *cachespots[MIPLEVELS];
// gl/glsl/vulkan
struct {
glpoly_t *polys; // multiple if warped
instsurf_t *instsurf;///< null if not part of world model/sub-model
union {
struct {
struct subpic_s *lightpic;///< light map texture ref (glsl)
byte *base;
};
struct {
int light_s;
int light_t;
int lightmaptexturenum;
};
};
};
};
mtexinfo_t *texinfo;
short texturemins[2];
unsigned short extents[2];
int light_s, light_t; // gl lightmap coordinates
glpoly_t *polys; // multiple if warped
instsurf_t *instsurf; ///< null if not part of world model/sub-model
mtexinfo_t *texinfo;
int model_index; ///< < 0: instance, 0 main, > 0: sub
byte *base;
// lighting info
struct subpic_s *lightpic; ///< light map texture ref (glsl)
byte *samples; // [numstyles*surfsize]
int dlightframe;
uint32_t dlightbits[(MAX_DLIGHTS + 31) >> 5];
int lightmaptexturenum;
byte styles[MAXLIGHTMAPS];
int cached_light[MAXLIGHTMAPS]; // values currently used in lightmap
qboolean cached_dlight; // true if dynamic light in cache
byte *samples; // [numstyles*surfsize]
int model_index; ///< < 0: instance, 0 main, > 0: sub
} msurface_t;
typedef struct mnode_s {