void agp_resize_rendertarget(
struct agp_rendertarget* tgt, size_t neww, size_t newh)
{
if (!tgt || !tgt->store){
arcan_warning("attempted resize on broken rendertarget\n");
return;
}
/* same dimensions, no need to resize */
if (tgt->store->w == neww && tgt->store->h == newh)
return;
struct storage_info_t* os = tgt->store;
/* we inplace- modify, want the refcounter intact */
agp_null_vstore(os);
arcan_mem_free(os->vinf.text.raw);
os->vinf.text.raw = NULL;
os->vinf.text.s_raw = 0;
agp_empty_vstore(os, neww, newh);
glDeleteFramebuffers(1,&tgt->fbo);
glDeleteRenderbuffers(1,&tgt->depth);
tgt->fbo = GL_NONE;
tgt->depth = GL_NONE;
alloc_fbo(tgt, tgt->mode);
}
static void erase_store(struct storage_info_t* os)
{
if (!os)
return;
agp_null_vstore(os);
arcan_mem_free(os->vinf.text.raw);
os->vinf.text.raw = NULL;
os->vinf.text.s_raw = 0;
}
struct stream_meta agp_stream_prepare(struct storage_info_t* s,
struct stream_meta meta, enum stream_type type)
{
struct agp_fenv* env = agp_env();
struct stream_meta res = meta;
res.state = true;
res.type = type;
switch (type){
case STREAM_RAW:
if (!s->vinf.text.wid)
setup_unpack_pbo(s, NULL);
alloc_buffer(s);
res.buf = s->vinf.text.raw;
res.state = res.buf != NULL;
break;
case STREAM_RAW_DIRECT_COPY:
alloc_buffer(s);
case STREAM_RAW_DIRECT:
if (!s->vinf.text.wid)
setup_unpack_pbo(s, meta.buf);
if (meta.dirty)
pbo_stream_sub(s, meta.buf, &meta, type == STREAM_RAW_DIRECT_COPY);
else
pbo_stream(s, meta.buf, &meta, type == STREAM_RAW_DIRECT_COPY);
break;
/* resynch: drop PBOs and GLid, alloc / upload and rebuild possible PBOs */
case STREAM_EXT_RESYNCH:
agp_null_vstore(s);
agp_update_vstore(s, true);
rebuild_pbo(s);
break;
case STREAM_RAW_DIRECT_SYNCHRONOUS:
agp_activate_vstore(s);
if (meta.dirty){
set_pixel_store(s->w, meta);
env->tex_subimage_2d(GL_TEXTURE_2D, 0, meta.x1, meta.y1, meta.w, meta.h,
s->vinf.text.s_fmt ? s->vinf.text.s_fmt : GL_PIXEL_FORMAT,
GL_UNSIGNED_BYTE, meta.buf
);
reset_pixel_store();
}
else
env->tex_subimage_2d(GL_TEXTURE_2D, 0, 0, 0, s->w, s->h,
s->vinf.text.s_fmt ? s->vinf.text.s_fmt : GL_PIXEL_FORMAT,
GL_UNSIGNED_BYTE, meta.buf
);
agp_deactivate_vstore();
break;
case STREAM_HANDLE:
/* if platform_video_map_handle fails here, prepare an empty vstore and attempt
* again, if that succeeds it means that we had to go through a RTT
* indirection, if that fails we should convey back to the client that
we can't accept this kind of transfer */
res.state = platform_video_map_handle(s, meta.handle);
break;
}
return res;
}
