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DISPMANX backend: implemented a faster triple buffering method and abstracted drawing surfaces for core and menu in their own class-like struct. Honor the aspect ratio setting changes without re-launching. Cleanups.

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This commit is contained in:
vanfanel 2015-06-16 19:30:16 +00:00
parent d2cd6a33cb
commit 26b0876376
1 changed files with 346 additions and 389 deletions
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735
gfx/drivers/dispmanx_gfx.c
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@ -21,11 +21,6 @@
#include "../video_context_driver.h" #include "../video_context_driver.h"
#include "../font_renderer_driver.h" #include "../font_renderer_driver.h"
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <bcm_host.h> #include <bcm_host.h>
#include <rthreads/rthreads.h> #include <rthreads/rthreads.h>
@ -33,342 +28,354 @@
#include "config.h" #include "config.h"
#endif #endif
#define NUMPAGES 2 /* We have two "drawing surfaces" (abstract), one for running
* core and other for menu, each one backed by a dispmanx
* element and a set of buffers (resources in dispmanx terms). */
enum dispmanx_surface_type {
MAIN_SURFACE,
MENU_SURFACE,
BACK_SURFACE
};
struct dispmanx_page
{
/* Each page contains it's own resource handler
* instead of pointing to in by page number */
DISPMANX_RESOURCE_HANDLE_T resource;
bool used;
/* Each page has it's own mutex for
* isolating it's used flag access. */
slock_t *page_used_mutex;
/* This field will allow us to access the
* main _dispvars struct from the vsync CB function */
struct dispmanx_video *dispvars;
};
struct dispmanx_surface
{
/* main surface has 3 pages, menu surface has 1 */
unsigned int numpages;
struct dispmanx_page *pages;
unsigned int bpp;
VC_RECT_T src_rect;
VC_RECT_T dst_rect;
VC_RECT_T bmp_rect;
/* Each surface has it's own element, and the resources are contained one in each page */
DISPMANX_ELEMENT_HANDLE_T element;
VC_DISPMANX_ALPHA_T alpha;
VC_IMAGE_TYPE_T pixformat;
/* Surfaces with a higher layer will be on top of the ones with lower. Default is 0. */
int layer;
/* Internal frame dimensions */
int width;
int height;
int pitch;
/* External aspect for scaling */
float aspect;
};
struct dispmanx_video struct dispmanx_video
{ {
uint64_t frame_count; uint64_t frame_count;
DISPMANX_DISPLAY_HANDLE_T display; DISPMANX_DISPLAY_HANDLE_T display;
DISPMANX_MODEINFO_T amode;
DISPMANX_UPDATE_HANDLE_T update; DISPMANX_UPDATE_HANDLE_T update;
DISPMANX_ELEMENT_HANDLE_T element; uint32_t vc_image_ptr;
VC_IMAGE_TYPE_T pixFormat;
VC_DISPMANX_ALPHA_T *alpha; struct dispmanx_page *current_page;
VC_RECT_T srcRect;
VC_RECT_T dstRect;
VC_RECT_T bmpRect;
unsigned int vcImagePtr;
unsigned int screen;
unsigned int pitch;
unsigned int flipPage;
/* Internal frame dimensions */ /* We abstract three "surfaces": main surface, menu surface and black back surface. */
unsigned int width; struct dispmanx_surface surfaces[3];
unsigned int height;
unsigned int bytes_per_pixel;
/* Some cores render things we don't need between scanlines */
unsigned int visible_width;
bool aspectRatioCorrection;
void *pixmem;
struct dispmanx_page *pages;
struct dispmanx_page *currentPage;
struct dispmanx_page *nextPage;
bool pageflip_pending;
/* For console blanking */ /* For console blanking */
int fd; int fb_fd;
char *fbp; uint8_t *fb_addr;
unsigned int screensize; unsigned int screensize;
char *screen_bck; uint8_t *screen_bck;
/* Total dispmanx video dimensions. Not counting overscan settings. */
unsigned int dispmanx_width;
unsigned int dispmanx_height;
/* For threading */ /* For threading */
scond_t *vsync_condition; scond_t *vsync_condition;
slock_t *vsync_cond_mutex;
slock_t *pending_mutex; slock_t *pending_mutex;
unsigned int pageflip_pending;
/* Menu */ /* Menu */
bool menu_active; bool menu_active;
DISPMANX_ELEMENT_HANDLE_T menu_element;
DISPMANX_RESOURCE_HANDLE_T menu_resource;
VC_IMAGE_TYPE_T menu_pixFormat;
VC_DISPMANX_ALPHA_T *menu_alpha;
VC_RECT_T menu_srcRect;
VC_RECT_T menu_dstRect;
VC_RECT_T menu_bmpRect;
unsigned int menu_width;
unsigned int menu_height;
unsigned int menu_pitch;
unsigned int menu_flip_page;
/* External aspect ratio */ unsigned int numsurfaces;
float aspect;
}; };
struct dispmanx_page /* If no free page is available when called, wait for a page flip. */
{ static struct dispmanx_page *dispmanx_get_free_page(void *data, struct dispmanx_surface *surface) {
DISPMANX_RESOURCE_HANDLE_T resource; unsigned i;
};
static void dispmanx_blank_console(void *data)
{
struct fb_var_screeninfo vinfo;
unsigned int fb_bytes_per_pixel;
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
struct dispmanx_page *page = NULL;
if (!_dispvars) while (!page)
return; {
/* Try to find a free page */
for (i = 0; i < surface->numpages; ++i) {
if (!surface->pages[i].used)
{
page = (surface->pages) + i;
break;
}
}
_dispvars->fd = open("/dev/fb0", O_RDWR); /* If no page is free at the moment,
* wait until a free page is freed by vsync CB. */
if (!page) {
slock_lock(_dispvars->vsync_cond_mutex);
scond_wait(_dispvars->vsync_condition, _dispvars->vsync_cond_mutex);
slock_unlock(_dispvars->vsync_cond_mutex);
}
}
/* We mark the choosen page as used */
slock_lock(page->page_used_mutex);
page->used = true;
slock_unlock(page->page_used_mutex);
/* We need this just to know the framebuffer return page;
* color depth, which vc_get_display_info() doesn't provide. */
ioctl(_dispvars->fd, FBIOGET_VSCREENINFO, &vinfo);
fb_bytes_per_pixel = vinfo.bits_per_pixel / 8;
_dispvars->screensize = _dispvars->amode.width * _dispvars->amode.height * fb_bytes_per_pixel;
_dispvars->fbp = (char *)mmap(0, _dispvars->screensize, PROT_READ | PROT_WRITE, MAP_SHARED, _dispvars->fd, 0);
/* Disable cursor blinking */
system("setterm -cursor off");
/* Backup console screen contents */
_dispvars->screen_bck = (char*)malloc(_dispvars->screensize * sizeof(char));
if (!_dispvars->screen_bck)
goto end;
memcpy((char*)_dispvars->screen_bck, (char*)_dispvars->fbp, _dispvars->screensize);
/* Blank console */
memset((char*)(_dispvars->fbp), 0x00, _dispvars->screensize);
end:
/* Unmap and close */
munmap(&_dispvars->fd, _dispvars->screensize);
close (_dispvars->fd);
}
static void dispmanx_restore_console(void *data)
{
struct dispmanx_video *_dispvars = data;
if (!_dispvars)
return;
_dispvars->fd = open("/dev/fb0", O_RDWR);
_dispvars->fbp = (char *)mmap(0, _dispvars->screensize, PROT_READ | PROT_WRITE, MAP_SHARED, _dispvars->fd, 0);
/* Restore console screen contents. */
memcpy((char*)_dispvars->fbp, (char*)_dispvars->screen_bck, _dispvars->screensize);
free(_dispvars->screen_bck);
/* Unmap and close. */
munmap(&_dispvars->fd, _dispvars->screensize);
close (_dispvars->fd);
/* Restore cursor blinking. */
system("setterm -cursor on");
} }
static void dispmanx_vsync_callback(DISPMANX_UPDATE_HANDLE_T u, void *data) static void dispmanx_vsync_callback(DISPMANX_UPDATE_HANDLE_T u, void *data)
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_page *page = data;
/* Changing the page to write must be done before the signaling /* Marking the page as free must be done before the signaling
* so we have the right page in nextPage when update_main continues */ * so when update_main continues (it won't continue until we signal)
* we can chose this page as free */
if (page->dispvars->current_page) {
slock_lock(page->dispvars->current_page->page_used_mutex);
if (_dispvars->nextPage == &_dispvars->pages[0]) /* We mark as free the page that was visible until now */
_dispvars->nextPage = &_dispvars->pages[1]; page->dispvars->current_page->used = false;
else
_dispvars->nextPage = &_dispvars->pages[0]; slock_unlock(page->dispvars->current_page->page_used_mutex);
}
/* The page on which we issued the flip that
* caused this callback becomes the visible one */
page->dispvars->current_page = page;
/* These two things must be isolated "atomically" to avoid getting /* These two things must be isolated "atomically" to avoid getting
* a false positive in the pending_mutex test in update_main. */ * a false positive in the pending_mutex test in update_main. */
slock_lock(_dispvars->pending_mutex); slock_lock(page->dispvars->pending_mutex);
_dispvars->pageflip_pending = false; page->dispvars->pageflip_pending--;
scond_signal(_dispvars->vsync_condition); scond_signal(page->dispvars->vsync_condition);
slock_unlock(_dispvars->pending_mutex); slock_unlock(page->dispvars->pending_mutex);
} }
static void dispmanx_free_main_resources(void *data) static void dispmanx_surface_free_resources(void *data, struct dispmanx_surface *surface)
{ {
int i; int i;
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
if (!_dispvars)
return;
_dispvars->update = vc_dispmanx_update_start(0); _dispvars->update = vc_dispmanx_update_start(0);
for (i = 0; i < NUMPAGES; i++) for (i = 0; i < surface->numpages; i++) {
vc_dispmanx_resource_delete(_dispvars->pages[i].resource); if (surface->pages[i].resource != 0){
vc_dispmanx_resource_delete(surface->pages[i].resource);
vc_dispmanx_element_remove(_dispvars->update, _dispvars->element); }
}
vc_dispmanx_element_remove(_dispvars->update, surface->element);
vc_dispmanx_update_submit_sync(_dispvars->update); vc_dispmanx_update_submit_sync(_dispvars->update);
} }
static bool dispmanx_setup_scale(void *data, unsigned width, static bool dispmanx_surface_setup(void *data, int width, int height, int pitch, float aspect,
unsigned height, unsigned pitch) struct dispmanx_surface *surface)
{ {
int i, dst_ypos;
VC_DISPMANX_ALPHA_T layerAlpha;
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
settings_t *settings = config_get_ptr(); int i, dst_width, dst_height, dst_xpos, dst_ypos;
if (!_dispvars) /* Internal frame dimensions. Pitch is total pitch including info
return false; * between scanlines */
surface->width = width;
/* Since internal frame resolution seems to have changed, we change the surface->height = height;
* internal frame resolution in use, and call dispmanx_setup_scale() surface->pitch = pitch;
* again to set the rects, etc. */ surface->aspect = aspect;
_dispvars->width = width;
_dispvars->height = height; /* The "visible" width obtained from the core pitch. We blit based on
* the "visible" width, for cores with things between scanlines. */
/* Total pitch, including things the cores int visible_width = pitch / surface->bpp;
* render between "visible" scanlines. */
_dispvars->pitch = pitch; dst_width = _dispvars->dispmanx_height * aspect;
dst_height = _dispvars->dispmanx_height;
/* The "visible" width obtained from the core pitch. */
_dispvars->visible_width = pitch / _dispvars->bytes_per_pixel;
dispmanx_free_main_resources(_dispvars);
vc_dispmanx_display_get_info(_dispvars->display, &(_dispvars->amode));
/* We choose the pixel format depending on the bpp of the frame. */
switch (_dispvars->bytes_per_pixel)
{
case 2:
_dispvars->pixFormat = VC_IMAGE_RGB565;
break;
case 4:
_dispvars->pixFormat = VC_IMAGE_XRGB8888;
break;
default:
RARCH_ERR("video_dispmanx: wrong pixel format\n");
return NULL;
}
/* Transparency disabled */
layerAlpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
layerAlpha.opacity = 255;
layerAlpha.mask = 0;
_dispvars->alpha = &layerAlpha;
switch (settings->video.aspect_ratio_idx)
{
case ASPECT_RATIO_4_3:
_dispvars->aspect = (float)4 / (float)3;
break;
case ASPECT_RATIO_16_9:
_dispvars->aspect = (float)16 / (float)9;
break;
case ASPECT_RATIO_16_10:
_dispvars->aspect = (float)16 / (float)10;
break;
case ASPECT_RATIO_16_15:
_dispvars->aspect = (float)16 / (float)15;
break;
case ASPECT_RATIO_CORE:
_dispvars->aspect = (float)_dispvars->width / (float)_dispvars->height;
break;
default:
_dispvars->aspect = (float)_dispvars->width / (float)_dispvars->height;
break;
}
int dst_width = _dispvars->amode.height * _dispvars->aspect;
/* If we obtain a scaled image width that is bigger than the physical screen width, /* If we obtain a scaled image width that is bigger than the physical screen width,
* then we keep the physical screen width as our maximun width. */ * then we keep the physical screen width as our maximun width. */
#if 0 if (dst_width > _dispvars->dispmanx_width)
if (dst_width > _dispvars->amode.width) dst_width = _dispvars->dispmanx_width;
dst_width = _dispvars->amode.width;
#endif dst_xpos = (_dispvars->dispmanx_width - dst_width) / 2;
dst_ypos = (_dispvars->amode.width - dst_width) / 2; dst_ypos = (_dispvars->dispmanx_height - dst_height) / 2;
vc_dispmanx_rect_set(&(_dispvars->dstRect), dst_ypos, 0,
dst_width, _dispvars->amode.height);
/* We configure the rects now. */ /* We configure the rects now. */
vc_dispmanx_rect_set(&(_dispvars->bmpRect), 0, 0, _dispvars->width, _dispvars->height); vc_dispmanx_rect_set(&surface->dst_rect, dst_xpos, dst_ypos, dst_width, dst_height);
vc_dispmanx_rect_set(&(_dispvars->srcRect), 0, 0, _dispvars->width << 16, _dispvars->height << 16); vc_dispmanx_rect_set(&surface->bmp_rect, 0, 0, width, height);
vc_dispmanx_rect_set(&surface->src_rect, 0, 0, width << 16, height << 16);
/* We create as many resources as pages */
for (i = 0; i < NUMPAGES; i++)
_dispvars->pages[i].resource = vc_dispmanx_resource_create(_dispvars->pixFormat,
_dispvars->visible_width, _dispvars->height, &(_dispvars->vcImagePtr));
for (i = 0; i < surface->numpages; i++) {
surface->pages[i].resource =
vc_dispmanx_resource_create(surface->pixformat,
visible_width, height, &(_dispvars->vc_image_ptr));
}
/* Add element. */ /* Add element. */
_dispvars->update = vc_dispmanx_update_start(0); _dispvars->update = vc_dispmanx_update_start(0);
_dispvars->element = vc_dispmanx_element_add(_dispvars->update, _dispvars->display, 0, surface->element = vc_dispmanx_element_add(
&(_dispvars->dstRect), _dispvars->pages[0].resource, &(_dispvars->srcRect), _dispvars->update,_dispvars->display, surface->layer,
DISPMANX_PROTECTION_NONE, _dispvars->alpha, 0, (DISPMANX_TRANSFORM_T)0); &surface->dst_rect, surface->pages[0].resource,
&surface->src_rect, DISPMANX_PROTECTION_NONE,
&surface->alpha, 0, (DISPMANX_TRANSFORM_T)0);
vc_dispmanx_update_submit_sync(_dispvars->update); vc_dispmanx_update_submit_sync(_dispvars->update);
return true; return true;
} }
static void dispmanx_update_main(void *data, const void *frame) static void dispmanx_surface_init(void *data,
int bpp,
int pixformat,
int layer,
unsigned alpha,
int numpages,
struct dispmanx_surface *surface)
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
int i;
/* Setup surface parameters */
surface->numpages = numpages;
surface->bpp = bpp;
surface->layer = layer;
surface->pixformat = pixformat;
/* Wait until last issued flip completes to get the free page /* Internal frame dimensions. We leave them as 0 until we get
* that the vsync cb will put in nextPage. Also, dispmanx doesn't * to the gfx_frame function where we get image width and height. */
* support issuing more than one pageflip.*/ surface->width = 0;
surface->height = 0;
surface->pitch = 0;
/* Transparency disabled */
surface->alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
surface->alpha.opacity = alpha;
surface->alpha.mask = 0;
/* Allocate memory for all the pages in each surface
* and initialize variables inside each page's struct. */
surface->pages = calloc(surface->numpages, sizeof(struct dispmanx_surface));
for (i = 0; i < surface->numpages; i++) {
surface->pages[i].used = false;
surface->pages[i].dispvars = _dispvars;
surface->pages[i].page_used_mutex = slock_new();
}
}
static void dispmanx_surface_update(void *data, const void *frame, struct dispmanx_surface *surface)
{
struct dispmanx_video *_dispvars = data;
struct dispmanx_page *page = NULL;
/* Wait until last issued flip completes to get a free page. Also,
dispmanx doesn't support issuing more than one pageflip.*/
slock_lock(_dispvars->pending_mutex); slock_lock(_dispvars->pending_mutex);
if (_dispvars->pageflip_pending) if (_dispvars->pageflip_pending > 0)
{ {
scond_wait(_dispvars->vsync_condition, _dispvars->pending_mutex); scond_wait(_dispvars->vsync_condition, _dispvars->pending_mutex);
} }
slock_unlock(_dispvars->pending_mutex); slock_unlock(_dispvars->pending_mutex);
page = dispmanx_get_free_page(_dispvars, surface);
/* Frame blitting */ /* Frame blitting */
vc_dispmanx_resource_write_data(_dispvars->nextPage->resource, _dispvars->pixFormat, vc_dispmanx_resource_write_data(page->resource, surface->pixformat,
_dispvars->pitch, (void *)frame, &(_dispvars->bmpRect)); surface->pitch, (void*)frame, &(surface->bmp_rect));
/* Issue a page flip that will be done at the next vsync. */ /* Issue a page flip that will be done at the next vsync. */
_dispvars->update = vc_dispmanx_update_start(0); _dispvars->update = vc_dispmanx_update_start(0);
vc_dispmanx_element_change_source(_dispvars->update, _dispvars->element, vc_dispmanx_element_change_source(_dispvars->update, surface->element,
_dispvars->nextPage->resource); page->resource);
vc_dispmanx_update_submit(_dispvars->update, dispmanx_vsync_callback, (void*)_dispvars); vc_dispmanx_update_submit(_dispvars->update, dispmanx_vsync_callback, (void*)page);
slock_lock(_dispvars->pending_mutex); slock_lock(_dispvars->pending_mutex);
_dispvars->pageflip_pending = true; _dispvars->pageflip_pending++;
slock_unlock(_dispvars->pending_mutex); slock_unlock(_dispvars->pending_mutex);
} }
static void dispmanx_blank_console (void *data)
{
/* Note that a 2-pixels array is needed to accomplish console blanking because with 1-pixel
* only the write data function doesn't work well, so when we do the only resource
* change in the surface update function, we will be seeing a distorted console. */
struct dispmanx_video *_dispvars = data;
uint16_t image[2] = {0x0000, 0x0000};
float aspect = (float)_dispvars->dispmanx_width / (float)_dispvars->dispmanx_height;
dispmanx_surface_init(_dispvars,
1,
VC_IMAGE_RGB565,
-1,
255,
1,
&_dispvars->surfaces[BACK_SURFACE]);
dispmanx_surface_setup(_dispvars, 2, 2, 4, aspect, &_dispvars->surfaces[BACK_SURFACE]);
dispmanx_surface_update(_dispvars, &image, &_dispvars->surfaces[BACK_SURFACE]);
}
static void *dispmanx_gfx_init(const video_info_t *video, static void *dispmanx_gfx_init(const video_info_t *video,
const input_driver_t **input, void **input_data) const input_driver_t **input, void **input_data)
{ {
int i;
struct dispmanx_video *_dispvars = calloc(1, sizeof(struct dispmanx_video)); struct dispmanx_video *_dispvars = calloc(1, sizeof(struct dispmanx_video));
if (!_dispvars) bcm_host_init();
return NULL; _dispvars->display = vc_dispmanx_display_open(0 /* LCD */);
/* If the console framebuffer has active overscan settings,
* the user must have overscan_scale=1 in config.txt to have
* the same size for both fb console and dispmanx. */
graphics_get_display_size(_dispvars->display, &_dispvars->dispmanx_width, &_dispvars->dispmanx_height);
_dispvars->bytes_per_pixel = video->rgb32 ? 4 : 2; /* Setup surface parameters */
_dispvars->screen = 0; _dispvars->numsurfaces = 3;
_dispvars->vcImagePtr = 0;
_dispvars->pageflip_pending = false; _dispvars->vc_image_ptr = 0;
_dispvars->currentPage = NULL; _dispvars->pageflip_pending = 0;
_dispvars->pages = calloc(NUMPAGES, sizeof(struct dispmanx_page)); _dispvars->current_page = NULL;
_dispvars->menu_active = false; _dispvars->menu_active = false;
_dispvars->nextPage = &_dispvars->pages[0];
if (!_dispvars->pages)
{
free(_dispvars);
return NULL;
}
/* Initialize the rest of the mutexes and conditions. */ /* Initialize the rest of the mutexes and conditions. */
_dispvars->vsync_condition = scond_new(); _dispvars->vsync_condition = scond_new();
_dispvars->vsync_cond_mutex = slock_new();
_dispvars->pending_mutex = slock_new(); _dispvars->pending_mutex = slock_new();
bcm_host_init(); dispmanx_surface_init(_dispvars,
video->rgb32 ? 4 : 2,
_dispvars->display = vc_dispmanx_display_open(_dispvars->screen); video->rgb32 ? VC_IMAGE_XRGB8888 : VC_IMAGE_RGB565,
0 /* layer */,
255 /* alpha */,
3, /* numpages */
&_dispvars->surfaces[MAIN_SURFACE]);
if (input && input_data) if (input && input_data)
*input = NULL; *input = NULL;
dispmanx_blank_console(_dispvars);
return _dispvars; return _dispvars;
} }
@ -377,142 +384,72 @@ static bool dispmanx_gfx_frame(void *data, const void *frame, unsigned width,
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
/* Check if neither menu nor core framebuffer is to be displayed. */ if (width != _dispvars->surfaces[MAIN_SURFACE].width || height != _dispvars->surfaces[MAIN_SURFACE].height)
if (!_dispvars->menu_active && !frame)
return true;
if (width != _dispvars->width || height != _dispvars->height)
{ {
/* Sanity check. */ /* Sanity check. */
if (width == 0 || height == 0) if (width == 0 || height == 0)
return true; return true;
RARCH_LOG("video_dispmanx: internal frame resolution changed by core\n"); dispmanx_surface_free_resources(_dispvars, &_dispvars->surfaces[MAIN_SURFACE]);
float aspect = video_driver_get_aspect_ratio();
if (!dispmanx_setup_scale(_dispvars, width, height, pitch)) /* Reconfiguring internal dimensions of the main surface is needed. */
{ dispmanx_surface_setup(_dispvars, width, height, pitch, aspect, &_dispvars->surfaces[MAIN_SURFACE]);
RARCH_ERR("video_dispmanx: frame resolution set failed\n");
return false;
}
dispmanx_blank_console (_dispvars);
} }
if (_dispvars->menu_active) if (_dispvars->menu_active)
{ {
char buf[128] = {0}; char buf[128];
video_monitor_get_fps(buf, sizeof(buf), NULL, 0); video_monitor_get_fps(buf, sizeof(buf), NULL, 0);
} }
/* Update main game screen: locate free page, blit and flip. */ /* Update main surface: locate free page, blit and flip. */
dispmanx_update_main(_dispvars, frame); dispmanx_surface_update(_dispvars, frame, &_dispvars->surfaces[MAIN_SURFACE]);
_dispvars->frame_count++; _dispvars->frame_count++;
return true; return true;
} }
static void dispmanx_free_menu_resources (void *data)
{
struct dispmanx_video *_dispvars = data;
if (!_dispvars)
return;
_dispvars->update = vc_dispmanx_update_start(0);
vc_dispmanx_resource_delete(_dispvars->menu_resource);
vc_dispmanx_element_remove(_dispvars->update, _dispvars->menu_element);
vc_dispmanx_update_submit_sync(_dispvars->update);
_dispvars->menu_width = 0;
_dispvars->menu_height = 0;
}
static void dispmanx_set_texture_enable(void *data, bool state, bool full_screen) static void dispmanx_set_texture_enable(void *data, bool state, bool full_screen)
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
if (_dispvars) /* If it was active but it's not anymore... */
_dispvars->menu_active = state; if (!state && _dispvars->menu_active) {
if (!_dispvars->menu_active) dispmanx_surface_free_resources(_dispvars, &_dispvars->surfaces[MENU_SURFACE]);
dispmanx_free_menu_resources(_dispvars); /* This is needed so we enter thru surface_setup on
* set_texture_frame() next time menu is active. */
_dispvars->surfaces[MENU_SURFACE].width = 0;
_dispvars->surfaces[MENU_SURFACE].height = 0;
}
_dispvars->menu_active = state;
} }
static void dispmanx_set_texture_frame(void *data, const void *frame, bool rgb32, static void dispmanx_set_texture_frame(void *data, const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha) unsigned width, unsigned height, float alpha)
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
if (!_dispvars)
return;
/* If we're entering the menu in this frame, /* If we're entering the menu in this frame,
* we must setup rects, resources and menu element. */ * we must setup rects, resources and menu element. */
if (width != _dispvars->menu_width || height != _dispvars->menu_height) if (width != _dispvars->surfaces[MENU_SURFACE].width || height != _dispvars->surfaces[MENU_SURFACE].height)
{ {
int i, dst_width, dst_ypos;
VC_DISPMANX_ALPHA_T layerAlpha;
/* Sanity check */ /* Sanity check */
if (width == 0 || height == 0) if (width == 0 || height == 0)
return; return;
int pitch = width * (rgb32 ? 4 : 2);
dispmanx_surface_init(_dispvars,
rgb32 ? 4 : 2,
VC_IMAGE_RGBA16,
0 /* layer */,
210 /* alpha, hardcoded */,
3, /* numpages */
&_dispvars->surfaces[MENU_SURFACE]);
_dispvars->menu_width = width; dispmanx_surface_setup(_dispvars, width, height, pitch,
_dispvars->menu_height = height; _dispvars->surfaces[MAIN_SURFACE].aspect,
&_dispvars->surfaces[MENU_SURFACE]);
_dispvars->menu_pitch = width * (rgb32 ? 4 : 2);
_dispvars->menu_pixFormat = VC_IMAGE_RGBA16;
_dispvars->menu_flip_page = 0;
/* 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);
#endif
layerAlpha.opacity = 210;
layerAlpha.mask = 0;
_dispvars->menu_alpha = &layerAlpha;
dst_width = _dispvars->amode.height * _dispvars->aspect;
/* If we obtain a scaled image width that is
* bigger than the physical screen width,
* then we keep the physical screen width as our maximun width. */
#if 0
if (dst_width > _dispvars->amode.width)
dst_width = _dispvars->amode.width;
#endif
dst_ypos = (_dispvars->amode.width - dst_width) / 2;
vc_dispmanx_rect_set(&(_dispvars->menu_dstRect), dst_ypos, 0,
dst_width, _dispvars->amode.height);
/* We configure the rects now. */
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);
/* 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_resource, &(_dispvars->menu_srcRect),
DISPMANX_PROTECTION_NONE, _dispvars->menu_alpha, 0, (DISPMANX_TRANSFORM_T)0);
vc_dispmanx_update_submit_sync(_dispvars->update);
} }
dispmanx_surface_update(_dispvars, frame, &_dispvars->surfaces[MENU_SURFACE]);
/* Frame blitting. */
vc_dispmanx_resource_write_data(_dispvars->menu_resource,
_dispvars->menu_pixFormat, _dispvars->menu_pitch, (void *)frame, &(_dispvars->menu_bmpRect));
/* 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) static void dispmanx_gfx_set_nonblock_state(void *data, bool state)
@ -546,8 +483,8 @@ static void dispmanx_gfx_viewport_info(void *data, struct video_viewport *vp)
vp->x = vp->y = 0; vp->x = vp->y = 0;
vp->width = vp->full_width = vid->width; vp->width = vp->full_width = vid->surfaces[MAIN_SURFACE].width;
vp->height = vp->full_height = vid->height; vp->height = vp->full_height = vid->surfaces[MAIN_SURFACE].height;
} }
static bool dispmanx_gfx_suppress_screensaver(void *data, bool enable) static bool dispmanx_gfx_suppress_screensaver(void *data, bool enable)
@ -592,11 +529,26 @@ static bool dispmanx_gfx_read_viewport(void *data, uint8_t *buffer)
static uint64_t dispmanx_gfx_get_frame_count(void *data) static uint64_t dispmanx_gfx_get_frame_count(void *data)
{ {
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
if (!_dispvars)
return 0;
return _dispvars->frame_count; return _dispvars->frame_count;
} }
static void dispmanx_set_aspect_ratio (void *data, unsigned aspect_ratio_idx)
{
struct dispmanx_video *_dispvars = data;
struct dispmanx_surface *surface;
/* Here we obtain the new aspect ratio. */
float aspect = aspectratio_lut[aspect_ratio_idx].value;
surface = &_dispvars->surfaces[MAIN_SURFACE];
dispmanx_surface_free_resources(_dispvars, surface);
dispmanx_surface_setup(_dispvars, surface->width, surface->height, surface->pitch, aspect, surface);
surface = &_dispvars->surfaces[MENU_SURFACE];
dispmanx_surface_free_resources(_dispvars, surface);
dispmanx_surface_setup(_dispvars, surface->width, surface->height, surface->pitch, aspect, surface);
}
static const video_poke_interface_t dispmanx_poke_interface = { static const video_poke_interface_t dispmanx_poke_interface = {
dispmanx_gfx_get_frame_count, dispmanx_gfx_get_frame_count,
NULL, /* set_video_mode */ NULL, /* set_video_mode */
@ -606,7 +558,7 @@ static const video_poke_interface_t dispmanx_poke_interface = {
NULL, /* get_video_output_next */ NULL, /* get_video_output_next */
NULL, /* get_current_framebuffer */ NULL, /* get_current_framebuffer */
NULL, /* get_proc_address */ NULL, /* get_proc_address */
NULL, /* dispmanx_set_aspect_ratio */ dispmanx_set_aspect_ratio,
NULL, /* dispmanx_apply_state_changes */ NULL, /* dispmanx_apply_state_changes */
#ifdef HAVE_MENU #ifdef HAVE_MENU
dispmanx_set_texture_frame, dispmanx_set_texture_frame,
@ -623,19 +575,27 @@ static void dispmanx_gfx_get_poke_interface(void *data,
*iface = &dispmanx_poke_interface; *iface = &dispmanx_poke_interface;
} }
static void dispmanx_gfx_free(void *data) static void dispmanx_surface_free_pages (struct dispmanx_surface *surface)
{ {
int i; int i;
for (i = 0; i < surface->numpages; i++) {
surface->pages[i].used = false;
slock_free(surface->pages[i].page_used_mutex);
}
free(surface->pages);
}
static void dispmanx_gfx_free(void *data)
{
struct dispmanx_video *_dispvars = data; struct dispmanx_video *_dispvars = data;
if (!_dispvars) dispmanx_surface_free_resources(_dispvars, &_dispvars->surfaces[MENU_SURFACE]);
return; dispmanx_surface_free_resources(_dispvars, &_dispvars->surfaces[MAIN_SURFACE]);
dispmanx_surface_free_resources(_dispvars, &_dispvars->surfaces[BACK_SURFACE]);
/* Free menu resurces if we are in menu when exiting. */ dispmanx_surface_free_pages(&_dispvars->surfaces[MAIN_SURFACE]);
if (_dispvars->menu_active) dispmanx_surface_free_pages(&_dispvars->surfaces[MENU_SURFACE]);
dispmanx_free_menu_resources(_dispvars); dispmanx_surface_free_pages(&_dispvars->surfaces[BACK_SURFACE]);
dispmanx_free_main_resources(_dispvars);
/* Close display and deinitialize. */ /* Close display and deinitialize. */
vc_dispmanx_display_close(_dispvars->display); vc_dispmanx_display_close(_dispvars->display);
@ -643,34 +603,31 @@ static void dispmanx_gfx_free(void *data)
/* Destroy mutexes and conditions. */ /* Destroy mutexes and conditions. */
slock_free(_dispvars->pending_mutex); slock_free(_dispvars->pending_mutex);
slock_free(_dispvars->vsync_cond_mutex);
scond_free(_dispvars->vsync_condition); scond_free(_dispvars->vsync_condition);
if (_dispvars->pages) free(_dispvars);
free (_dispvars->pages);
_dispvars->pages = NULL;
dispmanx_restore_console(_dispvars);
} }
video_driver_t video_dispmanx = { video_driver_t video_dispmanx = {
dispmanx_gfx_init, dispmanx_gfx_init,
dispmanx_gfx_frame, dispmanx_gfx_frame,
dispmanx_gfx_set_nonblock_state, dispmanx_gfx_set_nonblock_state,
dispmanx_gfx_alive, dispmanx_gfx_alive,
dispmanx_gfx_focus, dispmanx_gfx_focus,
dispmanx_gfx_suppress_screensaver, dispmanx_gfx_suppress_screensaver,
dispmanx_gfx_has_windowed, dispmanx_gfx_has_windowed,
dispmanx_gfx_set_shader, dispmanx_gfx_set_shader,
dispmanx_gfx_free, dispmanx_gfx_free,
"dispmanx", "dispmanx",
NULL, /* set_viewport */ NULL, /* set_viewport */
dispmanx_gfx_set_rotation, dispmanx_gfx_set_rotation,
dispmanx_gfx_viewport_info, dispmanx_gfx_viewport_info,
dispmanx_gfx_read_viewport, dispmanx_gfx_read_viewport,
NULL, /* read_frame_raw */ NULL, /* read_frame_raw */
#ifdef HAVE_OVERLAY #ifdef HAVE_OVERLAY
NULL, /* overlay_interface */ NULL, /* overlay_interface */
#endif #endif
dispmanx_gfx_get_poke_interface dispmanx_gfx_get_poke_interface
}; };