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gl_lightmap_subimage 2 now works, but only if using r_lightmap_components 4

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(with dri, anyway, ymmv).
This commit is contained in:
Bill Currie 2004-03-05 21:53:34 +00:00
parent 4b9d978d44
commit cd1fc18ea4
1 changed files with 21 additions and 6 deletions
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27
libs/video/renderer/gl/gl_lightmap.c
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@ -469,17 +469,32 @@ R_BuildLightMap_4 (msurface_t *surf)
// BRUSH MODELS ===============================================================
static inline void
do_subimage_2 (int i)
{
byte *block, *lm, *b;
int stride, width;
glRect_t *rect = &lightmap_rectchange[i];
width = rect->w * lightmap_bytes;
stride = BLOCK_WIDTH * lightmap_bytes;
b = block = Hunk_TempAlloc (rect->h * width);
lm = lightmaps[i] + (rect->t * BLOCK_WIDTH + rect->l) * lightmap_bytes;
for (i = rect->h; i > 0; i--) {
memcpy (b, lm, width);
b += width;
lm += stride;
}
qfglTexSubImage2D (GL_TEXTURE_2D, 0, rect->l, rect->t, rect->w, rect->h,
gl_lightmap_format, GL_UNSIGNED_BYTE, block);
}
static void
GL_UploadLightmap (int i)
{
switch (gl_lightmap_subimage->int_val) {
case 2:
qfglTexSubImage2D (GL_TEXTURE_2D, 0, lightmap_rectchange[i].l,
lightmap_rectchange[i].t, lightmap_rectchange[i].w,
lightmap_rectchange[i].h, gl_lightmap_format,
GL_UNSIGNED_BYTE, lightmaps[i] +
(lightmap_rectchange[i].t * BLOCK_WIDTH +
lightmap_rectchange[i].l) * lightmap_bytes);
do_subimage_2 (i);
break;
case 1:
qfglTexSubImage2D (GL_TEXTURE_2D, 0, 0, lightmap_rectchange[i].t,