RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity
mpv/libvo/vo_gl.c

541 lines
15 KiB
C
Raw Blame History

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include "mp_msg.h"
#include "config.h"
#include "subopt-helper.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "font_load.h"
#include "sub.h"
#include <errno.h>
#include "gl_common.h"
#include "aspect.h"
#ifdef HAVE_NEW_GUI
#include "Gui/interface.h"
#endif
static vo_info_t info =
{
"X11 (OpenGL)",
"gl",
"Arpad Gereoffy <arpi@esp-team.scene.hu>",
""
};
LIBVO_EXTERN(gl)
static XVisualInfo *gl_vinfo = NULL;
static GLXContext gl_context = 0;
static int wsGLXAttrib[] = { GLX_RGBA,
GLX_RED_SIZE,1,
GLX_GREEN_SIZE,1,
GLX_BLUE_SIZE,1,
GLX_DOUBLEBUFFER,
None };
static int use_osd;
static int scaled_osd;
//! How many parts the OSD may consist of at most
#define MAX_OSD_PARTS 20
//! Textures for OSD
static GLuint osdtex[MAX_OSD_PARTS];
#ifndef FAST_OSD
//! Alpha textures for OSD
static GLuint osdatex[MAX_OSD_PARTS];
#endif
//! Display lists that draw the OSD parts
static GLuint osdDispList[MAX_OSD_PARTS];
//! How many parts the OSD currently consists of
static int osdtexCnt = 0;
static int use_aspect;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_bytes;
static int many_fmts;
static GLenum gl_texfmt;
static GLenum gl_format;
static GLenum gl_type;
static int int_pause;
static uint32_t texture_width;
static uint32_t texture_height;
static unsigned int slice_height = 1;
static void resize(int x,int y){
mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n",x,y);
glViewport( 0, 0, x, y );
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (vo_fs && use_aspect) {
int new_w, new_h;
GLdouble scale_x, scale_y;
aspect(&new_w, &new_h, A_ZOOM);
panscan_calc();
new_w += vo_panscan_x;
new_h += vo_panscan_y;
scale_x = (GLdouble) new_w / (GLdouble) x;
scale_y = (GLdouble) new_h / (GLdouble) y;
glScaled(scale_x, scale_y, 1);
}
glOrtho(0, image_width, image_height, 0, -1,1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (!scaled_osd) {
#ifdef HAVE_FREETYPE
// adjust font size to display size
force_load_font = 1;
#endif
vo_osd_changed(OSDTYPE_OSD);
}
}
/**
* \brief Initialize a (new or reused) OpenGL context.
*/
static int initGl(uint32_t d_width, uint32_t d_height) {
unsigned char *ImageData = NULL;
texture_width = 32;
while (texture_width < image_width ||
texture_width < image_height)
texture_width *= 2;
texture_height = texture_width;
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDisable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
texture_width, texture_height);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glAdjustAlignment(texture_width * image_bytes);
ImageData = malloc(texture_width * texture_height * image_bytes);
memset(ImageData, 0, texture_width * texture_height * image_bytes);
glTexImage2D(GL_TEXTURE_2D, 0, gl_texfmt, texture_width, texture_height, 0,
gl_format, gl_type, ImageData);
free (ImageData);
// set alignment as default is 4 which will break some files
glAdjustAlignment(image_width * image_bytes);
resize(d_width, d_height);
glClearColor( 0.0f,0.0f,0.0f,0.0f );
glClear( GL_COLOR_BUFFER_BIT );
return 1;
}
/* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static uint32_t
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
{
image_height = height;
image_width = width;
glFindFormat(format, &image_bytes, &gl_texfmt, &gl_format, &gl_type);
image_bytes = (image_bytes + 7) / 8;
if (use_osd)
sub_bg_alpha = 255; // We need alpha = 255 for invisible part of the OSD
int_pause = 0;
panscan_init();
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
aspect_save_screenres(vo_screenwidth,vo_screenheight);
aspect(&d_width,&d_height,A_NOZOOM);
vo_dx = (vo_screenwidth - d_width) / 2;
vo_dy = (vo_screenheight - d_height) / 2;
geometry(&vo_dx, &vo_dy, &d_width, &d_height,
vo_screenwidth, vo_screenheight);
#ifdef X11_FULLSCREEN
// if( flags&VOFLAG_FULLSCREEN ){ // (-fs)
// aspect(&d_width,&d_height,A_ZOOM);
// }
#endif
#ifdef HAVE_NEW_GUI
if (use_gui) {
// GUI creates and manages window for us
vo_dwidth = d_width;
vo_dheight= d_height;
guiGetEvent(guiSetShVideo, 0);
setGlWindow(&gl_vinfo, &gl_context, vo_window);
initGl(vo_dwidth, vo_dheight);
return 0;
}
#endif
if ( vo_window == None ) {
unsigned int fg, bg;
XSizeHints hint;
XVisualInfo *vinfo;
XEvent xev;
vo_fs = VO_FALSE;
hint.x = vo_dx;
hint.y = vo_dy;
hint.width = d_width;
hint.height = d_height;
hint.flags = PPosition | PSize;
/* Get some colors */
bg = WhitePixel(mDisplay, mScreen);
fg = BlackPixel(mDisplay, mScreen);
/* Make the window */
vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
if (vinfo == NULL)
{
mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
return -1;
}
vo_window = vo_x11_create_smooth_window(mDisplay, mRootWin, vinfo->visual, hint.x, hint.y, hint.width, hint.height,
vinfo->depth, XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone));
vo_x11_classhint( mDisplay,vo_window,"gl" );
vo_hidecursor(mDisplay,vo_window);
// if ( flags&VOFLAG_FULLSCREEN ) vo_x11_decoration( mDisplay,vo_window,0 );
XSelectInput(mDisplay, vo_window, StructureNotifyMask);
/* Tell other applications about this window */
XSetStandardProperties(mDisplay, vo_window, title, title, None, NULL, 0, &hint);
/* Map window. */
XMapWindow(mDisplay, vo_window);
#ifdef HAVE_XINERAMA
vo_x11_xinerama_move(mDisplay,vo_window);
#endif
/* Wait for map. */
do
{
XNextEvent(mDisplay, &xev);
}
while (xev.type != MapNotify || xev.xmap.event != vo_window);
XSelectInput(mDisplay, vo_window, NoEventMask);
XSync(mDisplay, False);
vo_x11_selectinput_witherr(mDisplay, vo_window, StructureNotifyMask | KeyPressMask | PointerMotionMask
| ButtonPressMask | ButtonReleaseMask | ExposureMask
);
}
if (vo_ontop) vo_x11_setlayer(mDisplay, vo_window, vo_ontop);
vo_x11_nofs_sizepos(vo_dx, vo_dy, d_width, d_height);
if (vo_fs ^ (flags & VOFLAG_FULLSCREEN))
vo_x11_fullscreen();
setGlWindow(&gl_vinfo, &gl_context, vo_window);
initGl(vo_dwidth, vo_dheight);
return 0;
}
static void check_events(void)
{
int e=vo_x11_check_events(mDisplay);
if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
if(e&VO_EVENT_EXPOSE && int_pause) flip_page();
}
/**
* Creates the textures and the display list needed for displaying
* an OSD part.
* Callback function for vo_draw_text().
*/
static void create_osd_texture(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
// initialize to 8 to avoid special-casing on alignment
int sx = 8, sy = 8;
GLfloat xcov, ycov;
GLint scale_type = (scaled_osd) ? GL_LINEAR : GL_NEAREST;
char *clearTexture;
while (sx < w) sx *= 2;
while (sy < h) sy *= 2;
xcov = (GLfloat) w / (GLfloat) sx;
ycov = (GLfloat) h / (GLfloat) sy;
if (osdtexCnt >= MAX_OSD_PARTS) {
mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
return;
}
clearTexture = malloc(sx * sy);
memset(clearTexture, 0, sx * sy);
// create Textures for OSD part
glAdjustAlignment(stride);
glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
glGenTextures(1, &osdtex[osdtexCnt]);
glBindTexture(GL_TEXTURE_2D, osdtex[osdtexCnt]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, sx, sy, 0,
GL_LUMINANCE, GL_UNSIGNED_BYTE, clearTexture);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, scale_type);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, scale_type);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_LUMINANCE,
GL_UNSIGNED_BYTE, src);
#ifndef FAST_OSD
glGenTextures(1, &osdatex[osdtexCnt]);
glBindTexture(GL_TEXTURE_2D, osdatex[osdtexCnt]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, sx, sy, 0,
GL_LUMINANCE, GL_UNSIGNED_BYTE, clearTexture);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, scale_type);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, scale_type);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_ALPHA,
GL_UNSIGNED_BYTE, srca);
#endif
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glAdjustAlignment(image_width * image_bytes);
glBindTexture(GL_TEXTURE_2D, 0);
free(clearTexture);
// Create a list for rendering this OSD part
osdDispList[osdtexCnt] = glGenLists(1);
glNewList(osdDispList[osdtexCnt], GL_COMPILE);
#ifndef FAST_OSD
// render alpha
glBlendFunc(GL_ZERO, GL_SRC_ALPHA);
glBindTexture(GL_TEXTURE_2D, osdatex[osdtexCnt]);
glBegin(GL_QUADS);
glTexCoord2f (0, 0);
glVertex2f (x0, y0);
glTexCoord2f (0, ycov);
glVertex2f (x0, y0 + h);
glTexCoord2f (xcov, ycov);
glVertex2f (x0 + w, y0 + h);
glTexCoord2f (xcov, 0);
glVertex2f (x0 + w, y0);
glEnd();
#endif
// render OSD
glBlendFunc (GL_ONE, GL_ONE);
glBindTexture(GL_TEXTURE_2D, osdtex[osdtexCnt]);
glBegin(GL_QUADS);
glTexCoord2f (0, 0);
glVertex2f (x0, y0);
glTexCoord2f (0, ycov);
glVertex2f (x0, y0 + h);
glTexCoord2f (xcov, ycov);
glVertex2f (x0 + w, y0 + h);
glTexCoord2f (xcov, 0);
glVertex2f (x0 + w, y0);
glEnd();
glEndList();
osdtexCnt++;
}
static void draw_osd(void)
{
int i;
int osd_h, osd_w;
if (!use_osd) return;
if (vo_osd_changed(0)) {
for (i = 0; i < osdtexCnt; i++) {
glDeleteTextures(1, &osdtex[i]);
#ifndef FAST_OSD
glDeleteTextures(1, &osdatex[i]);
#endif
glDeleteLists(osdDispList[i], 1);
}
osdtexCnt = 0;
osd_w = (scaled_osd) ? image_width : vo_dwidth;
osd_h = (scaled_osd) ? image_height : vo_dheight;
vo_draw_text(osd_w, osd_h, create_osd_texture);
}
}
static void
flip_page(void)
{
// glEnable(GL_TEXTURE_2D);
// glBindTexture(GL_TEXTURE_2D, texture_id);
glColor3f(1,1,1);
glBegin(GL_QUADS);
glTexCoord2f(0,0);glVertex2i(0,0);
glTexCoord2f(0,1);glVertex2i(0,texture_height);
glTexCoord2f(1,1);glVertex2i(texture_width,texture_height);
glTexCoord2f(1,0);glVertex2i(texture_width,0);
glEnd();
if (osdtexCnt > 0) {
// set special rendering parameters
if (!scaled_osd) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, vo_dwidth, vo_dheight, 0, -1, 1);
}
glEnable(GL_BLEND);
// draw OSD
glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdDispList);
// set rendering parameters back to defaults
glDisable (GL_BLEND);
if (!scaled_osd)
glPopMatrix();
glBindTexture(GL_TEXTURE_2D, 0);
}
// glFlush();
glFinish();
glXSwapBuffers( mDisplay,vo_window );
if (vo_fs && use_aspect)
glClear(GL_COLOR_BUFFER_BIT);
}
//static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
static uint32_t draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
return 0;
}
static uint32_t
draw_frame(uint8_t *src[])
{
unsigned int i;
uint8_t *ImageData=src[0];
if (slice_height == 0)
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, image_width, image_height,
gl_format, gl_type, ImageData);
else
for(i=0;i<image_height;i+=slice_height){
glTexSubImage2D( GL_TEXTURE_2D, // target
0, // level
0, // x offset
// image_height-1-i, // y offset
i, // y offset
image_width, // width
(i+slice_height<=image_height)?slice_height:image_height-i, // height
gl_format,
gl_type,
ImageData+i*image_bytes*image_width ); // *pixels
}
return 0;
}
static uint32_t
query_format(uint32_t format)
{
int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
if (use_osd)
caps |= VFCAP_OSD;
if ((format == IMGFMT_RGB24) || (format == IMGFMT_RGBA))
return caps;
if (many_fmts &&
glFindFormat(format, NULL, NULL, NULL, NULL))
return caps;
return 0;
}
static void
uninit(void)
{
if ( !vo_config_count ) return;
releaseGlContext(&gl_vinfo, &gl_context);
vo_x11_uninit();
}
static opt_t subopts[] = {
{"manyfmts", OPT_ARG_BOOL, &many_fmts, NULL},
{"osd", OPT_ARG_BOOL, &use_osd, NULL},
{"scaled-osd", OPT_ARG_BOOL, &scaled_osd, NULL},
{"aspect", OPT_ARG_BOOL, &use_aspect, NULL},
{"slice-height", OPT_ARG_INT, &slice_height, (opt_test_f)int_non_neg},
{NULL}
};
static uint32_t preinit(const char *arg)
{
// set defaults
many_fmts = 0;
use_osd = 1;
scaled_osd = 0;
use_aspect = 1;
slice_height = 4;
if (subopt_parse(arg, subopts) != 0) {
mp_msg(MSGT_VO, MSGL_FATAL,
"\n-vo gl command line help:\n"
"Example: mplayer -vo gl:slice-height=4\n"
"\nOptions:\n"
" manyfmts\n"
" Enable extended color formats for OpenGL 1.2 and later\n"
" slice-height=<0-...>\n"
" Slice size for texture transfer, 0 for whole image\n"
" noosd\n"
" Do not use OpenGL OSD code\n"
" noaspect\n"
" Do not do aspect scaling\n"
"\n" );
return -1;
}
if (many_fmts)
mp_msg (MSGT_VO, MSGL_WARN, "[gl] using extended formats.\n"
"Make sure you have OpenGL >= 1.2 and used corresponding "
"headers for compiling!\n");
mp_msg (MSGT_VO, MSGL_INFO, "[gl] Using %d as slice height "
"(0 means image height).\n", slice_height);
if( !vo_init() ) return -1; // Can't open X11
return 0;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_PAUSE: return (int_pause=1);
case VOCTRL_RESUME: return (int_pause=0);
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if (!use_aspect) return VO_NOTIMPL;
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
if (!use_aspect) return VO_NOTIMPL;
resize (vo_dwidth, vo_dheight);
return VO_TRUE;
}
return VO_NOTIMPL;
}
Reference in New Issue View Git Blame Copy Permalink