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https://github.com/libretro/RetroArch
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Merge pull request #1522 from vanfanel/master
Fixed lockup issue on the dispmanx driver. Rewrote some parts for simpli...
This commit is contained in:
commit
d1bb9de44a
@ -50,7 +50,6 @@ struct dispmanx_video
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DISPMANX_DISPLAY_HANDLE_T display;
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DISPMANX_MODEINFO_T amode;
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DISPMANX_UPDATE_HANDLE_T update;
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DISPMANX_RESOURCE_HANDLE_T resources[NUMPAGES];
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DISPMANX_ELEMENT_HANDLE_T element;
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VC_IMAGE_TYPE_T pixFormat;
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VC_DISPMANX_ALPHA_T *alpha;
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@ -74,7 +73,8 @@ struct dispmanx_video
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struct dispmanx_page *pages;
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struct dispmanx_page *currentPage;
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unsigned int pageflip_pending;
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struct dispmanx_page *nextPage;
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bool pageflip_pending;
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/* For console blanking */
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int fd;
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@ -86,13 +86,10 @@ struct dispmanx_video
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scond_t *vsync_condition;
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slock_t *pending_mutex;
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/* Mutex to isolate the vsync condition signaling */
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slock_t *vsync_cond_mutex;
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/* Menu */
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bool menu_active;
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DISPMANX_ELEMENT_HANDLE_T menu_element;
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DISPMANX_RESOURCE_HANDLE_T menu_resources[2];
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DISPMANX_RESOURCE_HANDLE_T menu_resource;
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VC_IMAGE_TYPE_T menu_pixFormat;
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VC_DISPMANX_ALPHA_T *menu_alpha;
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VC_RECT_T menu_srcRect;
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@ -109,16 +106,7 @@ struct dispmanx_video
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struct dispmanx_page
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{
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unsigned int numpage;
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struct dispmanx_page *next;
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/* This field will allow us to
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* access the main _dispvars struct
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* from the vsync CB function */
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struct dispmanx_video *dispvars;
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/* Each page has it's own mutex for
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* isolating it's used flag access. */
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slock_t *page_used_mutex;
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bool used;
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DISPMANX_RESOURCE_HANDLE_T resource;
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};
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static void dispmanx_blank_console(void *data)
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@ -182,104 +170,25 @@ static void dispmanx_unblank_console(void *data)
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system("setterm -cursor on");
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}
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/* Find a free page, clear it if necessary, and return the page.
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*
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* If no free page is available when called, wait for a page flip.
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*/
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static struct dispmanx_page *dispmanx_get_free_page(void* data)
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{
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unsigned i;
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struct dispmanx_video *_dispvars = data;
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struct dispmanx_page *page = NULL;
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while (!page)
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{
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/* Try to find a free page */
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for (i = 0; i < NUMPAGES; ++i)
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{
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if (!_dispvars->pages[i].used)
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{
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page = (_dispvars->pages) + i;
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break;
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}
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}
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/* If no page is free at the moment,
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* wait until a free page is freed by vsync CB. */
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if (!page)
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{
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slock_lock(_dispvars->vsync_cond_mutex);
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scond_wait(_dispvars->vsync_condition, _dispvars->vsync_cond_mutex);
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slock_unlock(_dispvars->vsync_cond_mutex);
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}
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}
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slock_lock(page->page_used_mutex);
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page->used = true;
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slock_unlock(page->page_used_mutex);
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return page;
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}
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static void vsync_callback(DISPMANX_UPDATE_HANDLE_T u, void *data)
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{
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struct dispmanx_page *page = data;
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if (!page)
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return;
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/* We signal the vsync condition, just in case
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* we're waiting for it somewhere (no free pages, etc). */
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slock_lock(page->dispvars->vsync_cond_mutex);
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scond_signal(page->dispvars->vsync_condition);
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slock_unlock(page->dispvars->vsync_cond_mutex);
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slock_lock(page->dispvars->pending_mutex);
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page->dispvars->pageflip_pending--;
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slock_unlock(page->dispvars->pending_mutex);
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if (page->dispvars->currentPage)
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{
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slock_lock(page->dispvars->currentPage->page_used_mutex);
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/* We mark as free the page that was visible until now */
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page->dispvars->currentPage->used = false;
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slock_unlock(page->dispvars->currentPage->page_used_mutex);
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}
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/* The page on which we just issued the flip that
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* caused this callback becomes the visible one */
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page->dispvars->currentPage = page;
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}
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static void dispmanx_flip(struct dispmanx_page *page, void *data)
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{
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struct dispmanx_video *_dispvars = data;
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if (!_dispvars)
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return;
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/* Changing the page to write must be done before the signaling
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* so we have the right page in nextPage when update_main continues */
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/* Dispmanx doesn't support issuing more than one pageflip.
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* If we do, the second CB isn't called. */
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if (_dispvars->pageflip_pending > 0)
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{
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slock_lock(_dispvars->vsync_cond_mutex);
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scond_wait(_dispvars->vsync_condition, _dispvars->vsync_cond_mutex);
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slock_unlock(_dispvars->vsync_cond_mutex);
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}
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/* Issue a page flip at the next vblank interval
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* (will be done at vsync anyway). */
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_dispvars->update = vc_dispmanx_update_start(0);
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vc_dispmanx_element_change_source(_dispvars->update, _dispvars->element,
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_dispvars->resources[page->numpage]);
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vc_dispmanx_update_submit(_dispvars->update, vsync_callback, (void*)page);
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if (_dispvars->nextPage == &_dispvars->pages[0])
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_dispvars->nextPage = &_dispvars->pages[1];
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else
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_dispvars->nextPage = &_dispvars->pages[0];
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/* These two things must be isolated "atomically" to avoid getting
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* a false positive in the pending_mutex test in update_main. */
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slock_lock(_dispvars->pending_mutex);
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_dispvars->pageflip_pending++;
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_dispvars->pageflip_pending = false;
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scond_signal(_dispvars->vsync_condition);
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slock_unlock(_dispvars->pending_mutex);
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}
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@ -294,7 +203,7 @@ static void dispmanx_free_main_resources(void *data)
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_dispvars->update = vc_dispmanx_update_start(0);
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for (i = 0; i < NUMPAGES; i++)
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vc_dispmanx_resource_delete(_dispvars->resources[i]);
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vc_dispmanx_resource_delete(_dispvars->pages[i].resource);
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vc_dispmanx_element_remove(_dispvars->update, _dispvars->element);
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vc_dispmanx_update_submit_sync(_dispvars->update);
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@ -303,31 +212,31 @@ static void dispmanx_free_main_resources(void *data)
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static bool dispmanx_setup_scale(void *data, unsigned width,
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unsigned height, unsigned pitch)
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{
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int i, dst_ypos;
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VC_DISPMANX_ALPHA_T layerAlpha;
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struct dispmanx_video *_dispvars = data;
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int i, dst_ypos;
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VC_DISPMANX_ALPHA_T layerAlpha;
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struct dispmanx_video *_dispvars = data;
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if (!_dispvars)
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return false;
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/* Since internal frame resolution seems to have changed, we change the
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/* Since internal frame resolution seems to have changed, we change the
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* internal frame resolution in use, and call dispmanx_setup_scale()
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* again to set the rects, etc. */
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_dispvars->width = width;
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_dispvars->height = height;
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_dispvars->width = width;
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_dispvars->height = height;
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/* Total pitch, including things the cores
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/* Total pitch, including things the cores
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* render between "visible" scanlines. */
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_dispvars->pitch = pitch;
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_dispvars->pitch = pitch;
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/* The "visible" width obtained from the core pitch. */
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_dispvars->visible_width = pitch / _dispvars->bytes_per_pixel;
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/* The "visible" width obtained from the core pitch. */
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_dispvars->visible_width = pitch / _dispvars->bytes_per_pixel;
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dispmanx_free_main_resources(_dispvars);
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vc_dispmanx_display_get_info(_dispvars->display, &(_dispvars->amode));
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dispmanx_free_main_resources(_dispvars);
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vc_dispmanx_display_get_info(_dispvars->display, &(_dispvars->amode));
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/* We choose the pixel format depending on the bpp of the frame. */
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switch (_dispvars->bytes_per_pixel)
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/* We choose the pixel format depending on the bpp of the frame. */
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switch (_dispvars->bytes_per_pixel)
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{
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case 2:
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_dispvars->pixFormat = VC_IMAGE_RGB565;
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@ -340,13 +249,13 @@ static bool dispmanx_setup_scale(void *data, unsigned width,
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return NULL;
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}
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/* Transparency disabled */
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layerAlpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
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layerAlpha.opacity = 255;
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layerAlpha.mask = 0;
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_dispvars->alpha = &layerAlpha;
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/* Transparency disabled */
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layerAlpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
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layerAlpha.opacity = 255;
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layerAlpha.mask = 0;
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_dispvars->alpha = &layerAlpha;
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switch (g_settings.video.aspect_ratio_idx)
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switch (g_settings.video.aspect_ratio_idx)
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{
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case ASPECT_RATIO_4_3:
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_dispvars->aspect = (float)4 / (float)3;
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@ -368,105 +277,107 @@ static bool dispmanx_setup_scale(void *data, unsigned width,
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break;
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}
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int dst_width = _dispvars->amode.height * _dispvars->aspect;
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/* If we obtain a scaled image width that is bigger than the physical screen width,
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* then we keep the physical screen width as our maximun width. */
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int dst_width = _dispvars->amode.height * _dispvars->aspect;
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/* If we obtain a scaled image width that is bigger than the physical screen width,
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* then we keep the physical screen width as our maximun width. */
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#if 0
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if (dst_width > _dispvars->amode.width)
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dst_width = _dispvars->amode.width;
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if (dst_width > _dispvars->amode.width)
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dst_width = _dispvars->amode.width;
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#endif
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dst_ypos = (_dispvars->amode.width - dst_width) / 2;
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dst_ypos = (_dispvars->amode.width - dst_width) / 2;
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vc_dispmanx_rect_set(&(_dispvars->dstRect), dst_ypos, 0,
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dst_width, _dispvars->amode.height);
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/* We configure the rects now. */
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vc_dispmanx_rect_set(&(_dispvars->bmpRect), 0, 0, _dispvars->width, _dispvars->height);
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vc_dispmanx_rect_set(&(_dispvars->srcRect), 0, 0, _dispvars->width << 16, _dispvars->height << 16);
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vc_dispmanx_rect_set(&(_dispvars->dstRect), dst_ypos, 0,
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dst_width, _dispvars->amode.height);
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/* We create as many resources as pages */
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for (i = 0; i < NUMPAGES; i++)
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_dispvars->resources[i] = vc_dispmanx_resource_create(_dispvars->pixFormat,
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_dispvars->visible_width, _dispvars->height, &(_dispvars->vcImagePtr));
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/* We configure the rects now. */
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vc_dispmanx_rect_set(&(_dispvars->bmpRect), 0, 0, _dispvars->width, _dispvars->height);
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vc_dispmanx_rect_set(&(_dispvars->srcRect), 0, 0, _dispvars->width << 16, _dispvars->height << 16);
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/* Add element. */
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_dispvars->update = vc_dispmanx_update_start(0);
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_dispvars->element = vc_dispmanx_element_add(_dispvars->update, _dispvars->display, 0,
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&(_dispvars->dstRect), _dispvars->resources[0], &(_dispvars->srcRect),
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DISPMANX_PROTECTION_NONE, _dispvars->alpha, 0, (DISPMANX_TRANSFORM_T)0);
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vc_dispmanx_update_submit_sync(_dispvars->update);
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/* We create as many resources as pages */
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for (i = 0; i < NUMPAGES; i++)
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_dispvars->pages[i].resource = vc_dispmanx_resource_create(_dispvars->pixFormat,
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_dispvars->visible_width, _dispvars->height, &(_dispvars->vcImagePtr));
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return true;
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/* Add element. */
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_dispvars->update = vc_dispmanx_update_start(0);
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_dispvars->element = vc_dispmanx_element_add(_dispvars->update, _dispvars->display, 0,
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&(_dispvars->dstRect), _dispvars->pages[0].resource, &(_dispvars->srcRect),
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DISPMANX_PROTECTION_NONE, _dispvars->alpha, 0, (DISPMANX_TRANSFORM_T)0);
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vc_dispmanx_update_submit_sync(_dispvars->update);
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return true;
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}
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static void dispmanx_update_main(void *data, const void *frame)
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{
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struct dispmanx_page *page = NULL;
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struct dispmanx_video *_dispvars = data;
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if (!_dispvars)
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return;
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page = dispmanx_get_free_page(_dispvars);
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if (!page)
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return;
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/* Wait until last issued flip completes to get the free page
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* that the vsync cb will put in nextPage. Also, dispmanx doesn't
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* support issuing more than one pageflip.*/
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slock_lock(_dispvars->pending_mutex);
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if (_dispvars->pageflip_pending)
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{
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scond_wait(_dispvars->vsync_condition, _dispvars->pending_mutex);
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}
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slock_unlock(_dispvars->pending_mutex);
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/* Frame blitting */
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vc_dispmanx_resource_write_data(_dispvars->resources[page->numpage], _dispvars->pixFormat,
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vc_dispmanx_resource_write_data(_dispvars->nextPage->resource, _dispvars->pixFormat,
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_dispvars->pitch, (void *)frame, &(_dispvars->bmpRect));
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/* Issue flipping: we send the page
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* to the dispmanx API internal flipping FIFO stack. */
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dispmanx_flip (page, _dispvars);
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/* Issue a page flip that will be done at the next vsync. */
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_dispvars->update = vc_dispmanx_update_start(0);
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vc_dispmanx_element_change_source(_dispvars->update, _dispvars->element,
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_dispvars->nextPage->resource);
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vc_dispmanx_update_submit(_dispvars->update, vsync_callback, (void*)_dispvars);
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slock_lock(_dispvars->pending_mutex);
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_dispvars->pageflip_pending = true;
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slock_unlock(_dispvars->pending_mutex);
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}
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static void *dispmanx_gfx_init(const video_info_t *video,
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const input_driver_t **input, void **input_data)
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{
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int i;
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struct dispmanx_video *_dispvars = calloc(1, sizeof(struct dispmanx_video));
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int i;
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struct dispmanx_video *_dispvars = calloc(1, sizeof(struct dispmanx_video));
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if (!_dispvars)
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return NULL;
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_dispvars->bytes_per_pixel = video->rgb32 ? 4 : 2;
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_dispvars->screen = 0;
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_dispvars->vcImagePtr = 0;
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_dispvars->pageflip_pending = 0;
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_dispvars->currentPage = NULL;
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_dispvars->pages = calloc(NUMPAGES, sizeof(struct dispmanx_page));
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_dispvars->bytes_per_pixel = video->rgb32 ? 4 : 2;
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_dispvars->screen = 0;
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_dispvars->vcImagePtr = 0;
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_dispvars->pageflip_pending = false;
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_dispvars->currentPage = NULL;
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_dispvars->pages = calloc(NUMPAGES, sizeof(struct dispmanx_page));
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_dispvars->menu_active = false;
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_dispvars->nextPage = &_dispvars->pages[0];
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if (!_dispvars->pages)
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{
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free(_dispvars);
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return NULL;
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}
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for (i = 0; i < NUMPAGES; i++)
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{
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_dispvars->pages[i].numpage = i;
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_dispvars->pages[i].used = false;
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_dispvars->pages[i].dispvars = _dispvars;
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_dispvars->pages[i].page_used_mutex = slock_new();
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}
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/* Initialize the rest of the mutexes and conditions. */
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_dispvars->vsync_condition = scond_new();
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_dispvars->pending_mutex = slock_new();
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/* Initialize the rest of the mutexes and conditions. */
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_dispvars->vsync_condition = scond_new();
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_dispvars->pending_mutex = slock_new();
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_dispvars->vsync_cond_mutex = slock_new();
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bcm_host_init();
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bcm_host_init();
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_dispvars->display = vc_dispmanx_display_open(_dispvars->screen);
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_dispvars->display = vc_dispmanx_display_open(_dispvars->screen);
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if (input && input_data)
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*input = NULL;
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if (input && input_data)
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*input = NULL;
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return _dispvars;
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return _dispvars;
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}
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static bool dispmanx_gfx_frame(void *data, const void *frame, unsigned width,
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@ -480,31 +391,25 @@ static bool dispmanx_gfx_frame(void *data, const void *frame, unsigned width,
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if (width != _dispvars->width || height != _dispvars->height)
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{
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/* Sanity check. */
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if (width == 0 || height == 0)
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return true;
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/* Sanity check. */
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if (width == 0 || height == 0)
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return true;
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RARCH_LOG("video_dispmanx: internal frame resolution changed by core\n");
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if (!dispmanx_setup_scale(_dispvars, width, height, pitch))
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{
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RARCH_ERR("video_dispmanx: frame resolution set failed\n");
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return false;
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}
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dispmanx_blank_console (_dispvars);
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RARCH_LOG("video_dispmanx: internal frame resolution changed by core\n");
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if (!dispmanx_setup_scale(_dispvars, width, height, pitch))
|
||||
{
|
||||
RARCH_ERR("video_dispmanx: frame resolution set failed\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
dispmanx_blank_console (_dispvars);
|
||||
}
|
||||
|
||||
if (_dispvars->menu_active)
|
||||
{
|
||||
char buf[128];
|
||||
video_monitor_get_fps(buf, sizeof(buf), NULL, 0);
|
||||
|
||||
/* Synchronous flipping of the menu buffers. */
|
||||
_dispvars->update = vc_dispmanx_update_start(0);
|
||||
vc_dispmanx_element_change_source(_dispvars->update, _dispvars->menu_element,
|
||||
_dispvars->menu_resources[_dispvars->menu_flip_page]);
|
||||
vc_dispmanx_update_submit_sync(_dispvars->update);
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Update main game screen: locate free page, blit and flip. */
|
||||
@ -522,9 +427,7 @@ static void dispmanx_free_menu_resources (void *data)
|
||||
|
||||
_dispvars->update = vc_dispmanx_update_start(0);
|
||||
|
||||
vc_dispmanx_resource_delete(_dispvars->menu_resources[0]);
|
||||
vc_dispmanx_resource_delete(_dispvars->menu_resources[1]);
|
||||
|
||||
vc_dispmanx_resource_delete(_dispvars->menu_resource);
|
||||
vc_dispmanx_element_remove(_dispvars->update, _dispvars->menu_element);
|
||||
|
||||
vc_dispmanx_update_submit_sync(_dispvars->update);
|
||||
@ -547,7 +450,7 @@ static void dispmanx_set_texture_frame(void *data, const void *frame, bool rgb32
|
||||
unsigned width, unsigned height, float alpha)
|
||||
{
|
||||
struct dispmanx_video *_dispvars = data;
|
||||
|
||||
|
||||
if (!_dispvars)
|
||||
return;
|
||||
|
||||
@ -570,7 +473,7 @@ static void dispmanx_set_texture_frame(void *data, const void *frame, bool rgb32
|
||||
_dispvars->menu_pixFormat = VC_IMAGE_RGBA16;
|
||||
_dispvars->menu_flip_page = 0;
|
||||
|
||||
/* Transparency disabled */
|
||||
/* Menu transparency has a fixed value for now. */
|
||||
layerAlpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
|
||||
#if 0
|
||||
layerAlpha.opacity = (unsigned char)(255.0f * alpha);
|
||||
@ -596,33 +499,26 @@ static void dispmanx_set_texture_frame(void *data, const void *frame, bool rgb32
|
||||
vc_dispmanx_rect_set(&(_dispvars->menu_bmpRect), 0, 0, _dispvars->menu_width, _dispvars->menu_height);
|
||||
vc_dispmanx_rect_set(&(_dispvars->menu_srcRect), 0, 0, _dispvars->menu_width << 16, _dispvars->menu_height << 16);
|
||||
|
||||
/* We create two resources for the menu element. */
|
||||
_dispvars->menu_resources[0] = vc_dispmanx_resource_create(_dispvars->menu_pixFormat,
|
||||
_dispvars->menu_width, _dispvars->menu_height, &(_dispvars->vcImagePtr));
|
||||
_dispvars->menu_resources[1] = vc_dispmanx_resource_create(_dispvars->menu_pixFormat,
|
||||
/* Create resource for the menu element. */
|
||||
_dispvars->menu_resource = vc_dispmanx_resource_create(_dispvars->menu_pixFormat,
|
||||
_dispvars->menu_width, _dispvars->menu_height, &(_dispvars->vcImagePtr));
|
||||
|
||||
/* Add the menu element. */
|
||||
_dispvars->update = vc_dispmanx_update_start(0);
|
||||
|
||||
_dispvars->menu_element = vc_dispmanx_element_add(_dispvars->update, _dispvars->display, 0,
|
||||
&(_dispvars->menu_dstRect), _dispvars->menu_resources[0], &(_dispvars->menu_srcRect),
|
||||
&(_dispvars->menu_dstRect), _dispvars->menu_resource, &(_dispvars->menu_srcRect),
|
||||
DISPMANX_PROTECTION_NONE, _dispvars->menu_alpha, 0, (DISPMANX_TRANSFORM_T)0);
|
||||
|
||||
vc_dispmanx_update_submit_sync(_dispvars->update);
|
||||
vc_dispmanx_update_submit_sync(_dispvars->update);
|
||||
}
|
||||
|
||||
/* Flipping is done in every frame,
|
||||
* in the gfx_frame function.
|
||||
* That's why why change flip page here instead. */
|
||||
_dispvars->menu_flip_page = !_dispvars->menu_flip_page;
|
||||
|
||||
/* Frame blitting. */
|
||||
vc_dispmanx_resource_write_data(_dispvars->menu_resources[_dispvars->menu_flip_page],
|
||||
vc_dispmanx_resource_write_data(_dispvars->menu_resource,
|
||||
_dispvars->menu_pixFormat, _dispvars->menu_pitch, (void *)frame, &(_dispvars->menu_bmpRect));
|
||||
|
||||
/* We don't flip the menu buffers here:
|
||||
* that's done in the gfx_frame function when menu is active. */
|
||||
|
||||
/* We don't need to flip buffers: one is enough for menu. We sync in gfx_frame, on the
|
||||
* dispmanx_update_main() call, that is called with menu active, too. */
|
||||
}
|
||||
|
||||
static void dispmanx_gfx_set_nonblock_state(void *data, bool state)
|
||||
@ -637,27 +533,27 @@ static void dispmanx_gfx_set_nonblock_state(void *data, bool state)
|
||||
|
||||
static bool dispmanx_gfx_alive(void *data)
|
||||
{
|
||||
(void)data;
|
||||
return true; /* always alive */
|
||||
(void)data;
|
||||
return true; /* always alive */
|
||||
}
|
||||
|
||||
static bool dispmanx_gfx_focus(void *data)
|
||||
{
|
||||
(void)data;
|
||||
return true; /* fb device always has focus */
|
||||
(void)data;
|
||||
return true; /* fb device always has focus */
|
||||
}
|
||||
|
||||
static void dispmanx_gfx_viewport_info(void *data, struct video_viewport *vp)
|
||||
{
|
||||
struct dispmanx_video *vid = data;
|
||||
struct dispmanx_video *vid = data;
|
||||
|
||||
if (!vid)
|
||||
return;
|
||||
if (!vid)
|
||||
return;
|
||||
|
||||
vp->x = vp->y = 0;
|
||||
vp->x = vp->y = 0;
|
||||
|
||||
vp->width = vp->full_width = vid->width;
|
||||
vp->height = vp->full_height = vid->height;
|
||||
vp->width = vp->full_width = vid->width;
|
||||
vp->height = vp->full_height = vid->height;
|
||||
}
|
||||
|
||||
static bool dispmanx_gfx_suppress_screensaver(void *data, bool enable)
|
||||
@ -678,25 +574,25 @@ static bool dispmanx_gfx_has_windowed(void *data)
|
||||
static bool dispmanx_gfx_set_shader(void *data,
|
||||
enum rarch_shader_type type, const char *path)
|
||||
{
|
||||
(void)data;
|
||||
(void)type;
|
||||
(void)path;
|
||||
(void)data;
|
||||
(void)type;
|
||||
(void)path;
|
||||
|
||||
return false;
|
||||
return false;
|
||||
}
|
||||
|
||||
static void dispmanx_gfx_set_rotation(void *data, unsigned rotation)
|
||||
{
|
||||
(void)data;
|
||||
(void)rotation;
|
||||
(void)data;
|
||||
(void)rotation;
|
||||
}
|
||||
|
||||
static bool dispmanx_gfx_read_viewport(void *data, uint8_t *buffer)
|
||||
{
|
||||
(void)data;
|
||||
(void)buffer;
|
||||
(void)data;
|
||||
(void)buffer;
|
||||
|
||||
return true;
|
||||
return true;
|
||||
}
|
||||
|
||||
static const video_poke_interface_t dispmanx_poke_interface = {
|
||||
@ -744,9 +640,6 @@ static void dispmanx_gfx_free(void *data)
|
||||
slock_free(_dispvars->pending_mutex);
|
||||
scond_free(_dispvars->vsync_condition);
|
||||
|
||||
for (i = 0; i < NUMPAGES; i++)
|
||||
slock_free(_dispvars->pages[i].page_used_mutex);
|
||||
|
||||
if (_dispvars->pages)
|
||||
free (_dispvars->pages);
|
||||
_dispvars->pages = NULL;
|
||||
|
Loading…
x
Reference in New Issue
Block a user