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gl_video: don't crash if no FBOs are available 

This probably has been broken since bbc865a: a test was added that uses
a FBO, but it's always run, even if FBOs were not detected. On the other
hand, fbotex_init() just runs into an assert. Fix the test that
triggered this condition, and make fbotex_init() "nicer" by just failing
if FBOs are not available.
This commit is contained in:
wm4 2013-08-28 12:32:29 +02:00
parent 33c03c4d0a
commit fd2ead5080
1 changed files with 6 additions and 4 deletions
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10
video/out/gl_video.c
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@ -433,7 +433,6 @@ static bool fbotex_init(struct gl_video *p, struct fbotex *fbo, int w, int h,
GL *gl = p->gl;
bool res = true;
assert(gl->mpgl_caps & MPGL_CAP_FB);
assert(!fbo->fbo);
assert(!fbo->texture);
@ -446,6 +445,9 @@ static bool fbotex_init(struct gl_video *p, struct fbotex *fbo, int w, int h,
MP_VERBOSE(p, "Create FBO: %dx%d\n", fbo->tex_w, fbo->tex_h);
if (!(gl->mpgl_caps & MPGL_CAP_FB))
return false;
gl->GenFramebuffers(1, &fbo->fbo);
gl->GenTextures(1, &fbo->texture);
gl->BindTexture(GL_TEXTURE_2D, fbo->texture);
@ -1713,10 +1715,10 @@ static void check_gl_features(struct gl_video *p)
}
// fruit dithering mode and the 3D lut use this texture format
if ((p->opts.dither_depth >= 0 && p->opts.dither_algo == 0) ||
p->use_lut_3d)
if (have_fbo && ((p->opts.dither_depth >= 0 && p->opts.dither_algo == 0) ||
p->use_lut_3d))
{
// doesn't disalbe anything; it's just for the log
// doesn't disable anything; it's just for the log
MP_VERBOSE(p, "Testing GL_R16 FBO (dithering/LUT)\n");
test_fbo(p, GL_R16);
}