diff options
author | 2004-10-08 19:53:11 +0000 | |
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committer | 2004-10-08 19:53:11 +0000 | |
commit | 274c433f072609ac9fc7f487e228a6cc9bf04a6d (patch) | |
tree | a843b376097689a6498c388ad191dccbdfd2d996 | |
parent | 9f3bc811f40afb87cdec31001e4f6c84789ecc12 (diff) |
OpenGL OSD rendering for vo_gl
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13586 b3059339-0415-0410-9bf9-f77b7e298cf2
-rw-r--r-- | DOCS/man/en/mplayer.1 | 8 | ||||
-rw-r--r-- | libvo/vo_gl.c | 150 |
2 files changed, 154 insertions, 4 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index a88ebd6d98..b5da540731 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -2521,17 +2521,21 @@ Use svga with VIDIX. .TP .B gl\ \ \ \ \ OpenGL video output driver. -Very simple version, no OSD support and video size must be smaller than +Simple version, video size must be smaller than the maximum texture size of your OpenGL implementation. Intended to work even with the most simple OpenGL implementations. .PD 0 .RSs .IPs (no)manyfmts Enables support for more (RGB and BGR) color formats. -Needs OpenGL version >= 1.2, NOT yet WORKING correctly. +Needs OpenGL version >= 1.2. .IPs slice-height=<0\-...> Number of lines copied to texture in one piece (default: 4). 0 for whole image. +.IPs (no)osd +Enable or disable support for OSD rendering via OpenGL. +Mostly for testing, you should use \-osdlevel 0 to disable OSD. +Default: enabled .RE .PD 1 . diff --git a/libvo/vo_gl.c b/libvo/vo_gl.c index 65b2c5368a..489df7401e 100644 --- a/libvo/vo_gl.c +++ b/libvo/vo_gl.c @@ -10,6 +10,8 @@ #include "config.h" #include "video_out.h" #include "video_out_internal.h" +#include "font_load.h" +#include "sub.h" #include <X11/Xlib.h> #include <X11/Xutil.h> @@ -40,6 +42,14 @@ static int wsGLXAttrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, None }; +int use_osd; +#define MAX_OSD_PARTS 20 +GLuint osdtex[MAX_OSD_PARTS]; +#ifndef FAST_OSD +GLuint osdatex[MAX_OSD_PARTS]; +#endif +GLuint osdDispList[MAX_OSD_PARTS]; +int osdtexCnt = 0; static uint32_t image_width; static uint32_t image_height; @@ -66,6 +76,12 @@ static void resize(int x,int y){ glMatrixMode(GL_MODELVIEW); glLoadIdentity(); + +#ifdef HAVE_FREETYPE + // adjust font size to display size + force_load_font = 1; +#endif + vo_osd_changed(1); } static int find_gl_format (uint32_t format) @@ -162,6 +178,7 @@ config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uin vo_dwidth = d_width; vo_dheight = d_height; + sub_bg_alpha = 255; // We need alpha = 255 for invisible part of the OSD int_pause = 0; aspect_save_orig(width,height); @@ -291,8 +308,110 @@ static void check_events(void) 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) +{ + int sx = 1, sy = 1; + GLfloat xcov, ycov; + 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 + 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, GL_NEAREST); + glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glPixelStorei(GL_UNPACK_ROW_LENGTH, stride); + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_LUMINANCE, + GL_UNSIGNED_BYTE, src); + glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); + +#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, GL_NEAREST); + glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glPixelStorei(GL_UNPACK_ROW_LENGTH, stride); + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_ALPHA, + GL_UNSIGNED_BYTE, srca); + glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); +#endif + + 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; + 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; + // draw OSD with full resolution + vo_draw_text(vo_dwidth, vo_dheight, create_osd_texture); + } } static void @@ -310,6 +429,21 @@ flip_page(void) glTexCoord2f(1,0);glVertex2i(texture_width,0); glEnd(); + if (osdtexCnt > 0) { + // set special rendering parameters + 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); + glPopMatrix(); + glBindTexture(GL_TEXTURE_2D, 0); + } + // glFlush(); glFinish(); glXSwapBuffers( mDisplay,vo_window ); @@ -352,10 +486,13 @@ uint8_t *ImageData=src[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 VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW; + return caps; if (many_fmts && find_gl_format(format)) - return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW; + return caps; return 0; } @@ -372,6 +509,7 @@ static uint32_t preinit(const char *arg) int parse_err = 0; unsigned int parse_pos = 0; many_fmts = 0; + use_osd = 1; slice_height = 4; if(arg) { @@ -382,6 +520,12 @@ static uint32_t preinit(const char *arg) } else if (strncmp (&arg[parse_pos], "nomanyfmts", 10) == 0) { parse_pos += 10; many_fmts = 0; + } else if (strncmp (&arg[parse_pos], "osd", 3) == 0) { + parse_pos += 3; + use_osd = 1; + } else if (strncmp (&arg[parse_pos], "noosd", 5) == 0) { + parse_pos += 5; + use_osd = 0; } else if (strncmp (&arg[parse_pos], "slice-height=", 13) == 0) { int val; char *end; @@ -411,6 +555,8 @@ static uint32_t preinit(const char *arg) " 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" "\n" ); return -1; } |