st/dri: avoid segfault if we can't get a pixmap's buffers
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -249,6 +249,9 @@ void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
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dri_get_buffers(drawable->dPriv);
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st_get_framebuffer_surface(drawable->stfb, ST_SURFACE_FRONT_LEFT, &ps);
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if (!ps)
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return;
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st_bind_texture_surface(ps, target == GL_TEXTURE_2D ? ST_TEXTURE_2D :
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ST_TEXTURE_RECT, 0, drawable->color_format);
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}
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