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mpv/libvo/vo_gl2.c

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/*
* video_out_gl.c, X11/OpenGL interface
* based on video_out_x11 by Aaron Holtzman,
* and WS opengl window manager by Pontscho/Fresh!
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include "config.h"
#include "mp_msg.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "sub.h"
#include <GL/gl.h>
#ifdef GL_WIN32
#include <windows.h>
#include <GL/glext.h>
#else
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/glx.h>
#endif
#include <errno.h>
#ifdef GL_WIN32
#include "w32_common.h"
#else
#include "x11_common.h"
#endif
#include "aspect.h"
#define NDEBUG
//#undef NDEBUG
#undef TEXTUREFORMAT_ALWAYS_RGB24
static vo_info_t info =
{
"X11 (OpenGL) - multiple textures version",
"gl2",
"Arpad Gereoffy & Sven Goethel",
""
};
LIBVO_EXTERN(gl2)
/* private prototypes */
#define MODE_BGR 1
#define MODE_RGB 0
/* local data */
static unsigned char *ImageDataLocal=NULL;
static unsigned char *ImageData=NULL;
/* X11 related variables */
//static Window vo_window;
//static int texture_id=1;
#ifndef GL_WIN32
static GLXContext wsGLXContext;
#endif
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static uint32_t image_bpp;
static int image_mode;
static uint32_t image_bytes;
static int int_pause;
static uint32_t texture_width;
static uint32_t texture_height;
static int texnumx, texnumy, memory_x_len, memory_x_start_offset, raw_line_len;
static GLfloat texpercx, texpercy;
static struct TexSquare * texgrid;
static GLint gl_internal_format;
static char * gl_internal_format_s;
static int rgb_sz, r_sz, g_sz, b_sz, a_sz;
static GLint gl_bitmap_format;
static char * gl_bitmap_format_s;
static GLint gl_bitmap_type;
static char * gl_bitmap_type_s;
static int gl_alignment;
static int isGL12 = GL_FALSE;
static int gl_bilinear=1;
static int gl_antialias=0;
static void (*draw_alpha_fnc)
(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
/* The squares that are tiled to make up the game screen polygon */
struct TexSquare
{
GLubyte *texture;
GLuint texobj;
int isTexture;
GLfloat fx1, fy1, fx2, fy2, fx3, fy3, fx4, fy4;
GLfloat xcov, ycov;
int isDirty;
int dirtyXoff, dirtyYoff, dirtyWidth, dirtyHeight;
};
static void CalcFlatPoint(int x,int y,GLfloat *px,GLfloat *py)
{
*px=(float)x*texpercx;
if(*px>1.0) *px=1.0;
*py=(float)y*texpercy;
if(*py>1.0) *py=1.0;
}
static int initTextures()
{
unsigned char *line_1=0, *line_2=0, *mem_start=0;
struct TexSquare *tsq=0;
int e_x, e_y, s, i=0;
int x=0, y=0;
GLint format=0;
GLenum err;
/* achieve the 2**e_x:=texture_width, 2**e_y:=texture_height */
e_x=0; s=1;
while (s<texture_width)
{ s*=2; e_x++; }
texture_width=s;
e_y=0; s=1;
while (s<texture_height)
{ s*=2; e_y++; }
texture_height=s;
/* Test the max texture size */
do
{
glTexImage2D (GL_PROXY_TEXTURE_2D, 0,
gl_internal_format,
texture_width, texture_height,
0, gl_bitmap_format, gl_bitmap_type, NULL);
glGetTexLevelParameteriv
(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &format);
if (format != gl_internal_format)
{
fprintf (stderr, "[gl2] Needed texture [%dx%d] too big, trying ",
texture_height, texture_width);
if (texture_width > texture_height)
{
e_x--;
texture_width = 1;
for (i = e_x; i > 0; i--)
texture_width *= 2;
}
else
{
e_y--;
texture_height = 1;
for (i = e_y; i > 0; i--)
texture_height *= 2;
}
fprintf (stderr, "[%dx%d] !\n", texture_height, texture_width);
if(texture_width < 64 || texture_height < 64)
{
fprintf (stderr, "GLERROR: Give up .. usable texture size not avaiable, or texture config error !\n");
return -1;
}
}
}
while (format != gl_internal_format && texture_width > 1 && texture_height > 1);
texnumx = image_width / texture_width;
if ((image_width % texture_width) > 0)
texnumx++;
texnumy = image_height / texture_height;
if ((image_height % texture_height) > 0)
texnumy++;
printf("[gl2] Creating %dx%d textures of size %dx%d ...\n",
texnumx, texnumy, texture_width,texture_height);
/* Allocate the texture memory */
texpercx = (GLfloat) texture_width / (GLfloat) image_width;
if (texpercx > 1.0)
texpercx = 1.0;
texpercy = (GLfloat) texture_height / (GLfloat) image_height;
if (texpercy > 1.0)
texpercy = 1.0;
texgrid = (struct TexSquare *)
calloc (texnumx * texnumy, sizeof (struct TexSquare));
line_1 = (unsigned char *) ImageDataLocal;
line_2 = (unsigned char *) ImageDataLocal+(image_width*image_bytes);
mem_start = (unsigned char *) ImageDataLocal;
raw_line_len = line_2 - line_1;
memory_x_len = raw_line_len / image_bytes;
#ifndef NDEBUG
fprintf (stderr, "[gl2] texture-usage %d*width=%d, %d*height=%d\n",
(int) texnumx, (int) texture_width, (int) texnumy,
(int) texture_height);
#endif
for (y = 0; y < texnumy; y++)
{
for (x = 0; x < texnumx; x++)
{
tsq = texgrid + y * texnumx + x;
if (x == texnumx - 1 && image_width % texture_width)
tsq->xcov =
(GLfloat) (image_width % texture_width) / (GLfloat) texture_width;
else
tsq->xcov = 1.0;
if (y == texnumy - 1 && image_height % texture_height)
tsq->ycov =
(GLfloat) (image_height % texture_height) / (GLfloat) texture_height;
else
tsq->ycov = 1.0;
CalcFlatPoint (x, y, &(tsq->fx1), &(tsq->fy1));
CalcFlatPoint (x + 1, y, &(tsq->fx2), &(tsq->fy2));
CalcFlatPoint (x + 1, y + 1, &(tsq->fx3), &(tsq->fy3));
CalcFlatPoint (x, y + 1, &(tsq->fx4), &(tsq->fy4));
/* calculate the pixel store data,
to use the machine-bitmap for our texture
*/
memory_x_start_offset = 0 * image_bytes +
x * texture_width * image_bytes;
tsq->texture = line_1 +
y * texture_height * raw_line_len +
memory_x_start_offset;
tsq->isDirty=GL_TRUE;
tsq->isTexture=GL_FALSE;
tsq->texobj=0;
tsq->dirtyXoff=0; tsq->dirtyYoff=0; tsq->dirtyWidth=-1; tsq->dirtyHeight=-1;
glGenTextures (1, &(tsq->texobj));
glBindTexture (GL_TEXTURE_2D, tsq->texobj);
err = glGetError ();
if(err==GL_INVALID_ENUM)
{
fprintf (stderr, "GLERROR glBindTexture (glGenText) := GL_INVALID_ENUM, texnum x=%d, y=%d, texture=%d\n", x, y, tsq->texobj);
}
if(glIsTexture(tsq->texobj) == GL_FALSE)
{
fprintf (stderr, "GLERROR ain't a texture (glGenText): texnum x=%d, y=%d, texture=%d\n",
x, y, tsq->texobj);
} else {
tsq->isTexture=GL_TRUE;
}
glTexImage2D (GL_TEXTURE_2D, 0,
gl_internal_format,
texture_width, texture_height,
0, gl_bitmap_format, gl_bitmap_type, NULL);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_PRIORITY, 1.0);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
} /* for all texnumx */
} /* for all texnumy */
return 0;
}
static void resetTexturePointers(unsigned char *imageSource)
{
unsigned char *line_1=0, *line_2=0, *mem_start=0;
struct TexSquare *tsq=0;
int x=0, y=0;
line_1 = (unsigned char *) imageSource;
line_2 = (unsigned char *) imageSource+(image_width*image_bytes);
mem_start = (unsigned char *) imageSource;
for (y = 0; y < texnumy; y++)
{
for (x = 0; x < texnumx; x++)
{
tsq = texgrid + y * texnumx + x;
/* calculate the pixel store data,
to use the machine-bitmap for our texture
*/
memory_x_start_offset = 0 * image_bytes +
x * texture_width * image_bytes;
tsq->texture = line_1 +
y * texture_height * raw_line_len +
memory_x_start_offset;
} /* for all texnumx */
} /* for all texnumy */
}
static void setupTextureDirtyArea(int x, int y, int w,int h)
{
struct TexSquare *square;
int xi, yi, wd, ht, wh, hh;
int wdecr, hdecr, xh, yh;
wdecr=w; hdecr=h; xh=x; yh=y;
for (yi = 0; hdecr>0 && yi < texnumy; yi++)
{
if (yi < texnumy - 1)
ht = texture_height;
else
ht = image_height - texture_height * yi;
xh =x;
wdecr =w;
for (xi = 0; wdecr>0 && xi < texnumx; xi++)
{
square = texgrid + yi * texnumx + xi;
if (xi < texnumx - 1)
wd = texture_width;
else
wd = image_width - texture_width * xi;
if( 0 <= xh && xh < wd &&
0 <= yh && yh < ht
)
{
square->isDirty=GL_TRUE;
wh=(wdecr<wd)?wdecr:wd-xh;
if(wh<0) wh=0;
hh=(hdecr<ht)?hdecr:ht-yh;
if(hh<0) hh=0;
/*
#ifndef NDEBUG
printf("\t %dx%d, %d/%d (%dx%d): %d/%d (%dx%d)\n",
xi, yi, xh, yh, wdecr, hdecr, xh, yh, wh, hh);
#endif
*/
if(xh<square->dirtyXoff)
square->dirtyXoff=xh;
if(yh<square->dirtyYoff)
square->dirtyYoff=yh;
square->dirtyWidth = wd-square->dirtyXoff;
square->dirtyHeight = ht-square->dirtyYoff;
wdecr-=wh;
if ( xi == texnumx - 1 )
hdecr-=hh;
}
xh-=wd;
if(xh<0) xh=0;
}
yh-=ht;
if(yh<0) yh=0;
}
}
static void gl_set_bilinear (int val)
{
int x, y;
if(val>=0)
gl_bilinear = val;
else
gl_bilinear++;
gl_bilinear=gl_bilinear%2;
/* no mipmap yet .. */
for (y = 0; y < texnumy; y++)
{
for (x = 0; x < texnumx; x++)
{
glBindTexture (GL_TEXTURE_2D, texgrid[y * texnumx + x].texobj);
switch (gl_bilinear)
{
case 0:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_NEAREST);
printf("[gl2] bilinear off\n");
break;
case 1:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_LINEAR);
printf("[gl2] bilinear linear\n");
break;
case 2:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_LINEAR_MIPMAP_NEAREST);
printf("[gl2] bilinear mipmap nearest\n");
break;
case 3:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_LINEAR_MIPMAP_LINEAR);
printf("[gl2] bilinear mipmap linear\n");
break;
}
}
}
fflush(0);
}
static void gl_set_antialias (int val)
{
gl_antialias=val;
if (gl_antialias)
{
glShadeModel (GL_SMOOTH);
glEnable (GL_POLYGON_SMOOTH);
glEnable (GL_LINE_SMOOTH);
glEnable (GL_POINT_SMOOTH);
printf("[gl2] antialiasing on\n");
}
else
{
glShadeModel (GL_FLAT);
glDisable (GL_POLYGON_SMOOTH);
glDisable (GL_LINE_SMOOTH);
glDisable (GL_POINT_SMOOTH);
printf("[gl2] antialiasing off\n");
}
fflush(0);
}
static void drawTextureDisplay ()
{
struct TexSquare *square;
int x, y/*, xoff=0, yoff=0, wd, ht*/;
GLenum err;
glColor3f(1.0,1.0,1.0);
for (y = 0; y < texnumy; y++)
{
for (x = 0; x < texnumx; x++)
{
square = texgrid + y * texnumx + x;
if(square->isTexture==GL_FALSE)
{
#ifndef NDEBUG
fprintf (stderr, "[gl2] ain't a texture(update): texnum x=%d, y=%d, texture=%d\n",
x, y, square->texobj);
#endif
continue;
}
glBindTexture (GL_TEXTURE_2D, square->texobj);
err = glGetError ();
if(err==GL_INVALID_ENUM)
{
fprintf (stderr, "GLERROR glBindTexture := GL_INVALID_ENUM, texnum x=%d, y=%d, texture=%d\n", x, y, square->texobj);
}
#ifndef NDEBUG
else if(err==GL_INVALID_OPERATION) {
fprintf (stderr, "GLERROR glBindTexture := GL_INVALID_OPERATION, texnum x=%d, y=%d, texture=%d\n", x, y, square->texobj);
}
#endif
if(glIsTexture(square->texobj) == GL_FALSE)
{
square->isTexture=GL_FALSE;
fprintf (stderr, "GLERROR ain't a texture(update): texnum x=%d, y=%d, texture=%d\n",
x, y, square->texobj);
}
if(square->isDirty)
{
glTexSubImage2D (GL_TEXTURE_2D, 0,
square->dirtyXoff, square->dirtyYoff,
square->dirtyWidth, square->dirtyHeight,
gl_bitmap_format, gl_bitmap_type, square->texture);
square->isDirty=GL_FALSE;
square->dirtyXoff=0; square->dirtyYoff=0; square->dirtyWidth=-1; square->dirtyHeight=-1;
}
#ifndef NDEBUG
fprintf (stdout, "[gl2] glTexSubImage2D texnum x=%d, y=%d, %d/%d - %d/%d\n",
x, y, square->dirtyXoff, square->dirtyYoff, square->dirtyWidth, square->dirtyHeight);
#endif
glBegin(GL_QUADS);
glTexCoord2f (0, 0);
glVertex2f (square->fx1, square->fy1);
glTexCoord2f (0, square->ycov);
glVertex2f (square->fx4, square->fy4);
glTexCoord2f (square->xcov, square->ycov);
glVertex2f (square->fx3, square->fy3);
glTexCoord2f (square->xcov, 0);
glVertex2f (square->fx2, square->fy2);
glEnd();
/*
#ifndef NDEBUG
fprintf (stdout, "[gl2] GL_QUADS texnum x=%d, y=%d, %f/%f %f/%f %f/%f %f/%f\n\n", x, y, square->fx1, square->fy1, square->fx4, square->fy4,
square->fx3, square->fy3, square->fx2, square->fy2);
#endif
*/
} /* for all texnumx */
} /* for all texnumy */
/* YES - let's catch this error ...
*/
(void) glGetError ();
}
static void resize(int *x,int *y){
mp_msg(MSGT_VO,MSGL_V,"[gl2] Resize: %dx%d\n",*x,*y);
if( vo_fs )
{
glClear(GL_COLOR_BUFFER_BIT);
aspect(x, y, A_ZOOM);
glViewport( (vo_screenwidth-*x)/2, (vo_screenheight-*y)/2, *x, *y);
} else {
//aspect(x, y, A_NOZOOM);
glViewport( 0, 0, *x, *y );
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho (0, 1, 1, 0, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
static void draw_alpha_32(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb32(w,h,src,srca,stride,ImageData+4*(y0*image_width+x0),4*image_width);
}
static void draw_alpha_24(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb24(w,h,src,srca,stride,ImageData+3*(y0*image_width+x0),3*image_width);
}
static void draw_alpha_16(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb16(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_15(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb15(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
}
#ifdef GL_WIN32
static int config_w32(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
PIXELFORMATDESCRIPTOR pfd;
int pf;
o_dwidth = d_width;
o_dheight = d_height;
vo_fs = flags & VOFLAG_FULLSCREEN;
vo_vm = flags & VOFLAG_MODESWITCHING;
vo_dwidth = d_width;
vo_dheight = d_height;
destroyRenderingContext();
if (!createRenderingContext())
return -1;
if (vo_fs)
aspect(&d_width, &d_height, A_ZOOM);
pf = GetPixelFormat(vo_hdc);
if (!DescribePixelFormat(vo_hdc, pf, sizeof pfd, &pfd)) {
r_sz = g_sz = b_sz = a_sz = 0;
} else {
r_sz = pfd.cRedBits;
g_sz = pfd.cGreenBits;
b_sz = pfd.cBlueBits;
a_sz = pfd.cAlphaBits;
}
return 0;
}
#else
static int choose_glx_visual(Display *dpy, int scr, XVisualInfo *res_vi)
{
XVisualInfo template, *vi_list;
int vi_num, i, best_i, best_weight;
template.screen = scr;
vi_list = XGetVisualInfo(dpy, VisualScreenMask, &template, &vi_num);
if (!vi_list) return -1;
best_weight = 1000000; best_i=0;
for (i = 0; i < vi_num; i++) {
int val, res, w = 0;
/* of course, the visual must support OpenGL rendering... */
res = glXGetConfig(dpy, vi_list + i, GLX_USE_GL, &val);
if (res || val == False) continue;
/* also it must be doublebuffered ... */
res = glXGetConfig(dpy, vi_list + i, GLX_DOUBLEBUFFER, &val);
if (res || val == False) continue;
/* furthermore it must be RGBA (not color indexed) ... */
res = glXGetConfig(dpy, vi_list + i, GLX_RGBA, &val);
if (res || val == False) continue;
/* prefer less depth buffer size, */
res = glXGetConfig(dpy, vi_list + i, GLX_DEPTH_SIZE, &val);
if (res) continue;
w += val*2;
/* stencil buffer size */
res = glXGetConfig(dpy, vi_list + i, GLX_STENCIL_SIZE, &val);
if (res) continue;
w += val*2;
/* and colorbuffer alpha size */
res = glXGetConfig(dpy, vi_list + i, GLX_ALPHA_SIZE, &val);
if (res) continue;
w += val;
/* and finally, prefer DirectColor-ed visuals to allow color corrections */
if (vi_list[i].class != DirectColor) w += 100;
if (w < best_weight) {
best_weight = w;
best_i = i;
}
}
if (best_weight < 1000000) *res_vi = vi_list[best_i];
XFree(vi_list);
return (best_weight < 1000000) ? 0 : -1;
}
static uint32_t config_glx(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
XSizeHints hint;
XVisualInfo *vinfo, vinfo_buf;
XEvent xev;
if( flags&0x01 )
{
vo_fs = VO_TRUE;
aspect(&d_width,&d_height,A_ZOOM);
hint.x = 0;
hint.y = 0;
hint.width = vo_screenwidth;
hint.height = vo_screenheight;
hint.flags = PPosition | PSize;
} else {
vo_fs = VO_FALSE;
hint.x = 0;
hint.y = 0;
hint.width = d_width;
hint.height = d_height;
hint.flags = PPosition | PSize;
}
/* Make the window */
// XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
// XMatchVisualInfo(mDisplay, screen, depth, TrueColor, &vinfo);
vinfo = choose_glx_visual(mDisplay,mScreen,&vinfo_buf) < 0 ? NULL : &vinfo_buf;
if (vinfo == NULL)
{
printf("[gl2] no GLX support present\n");
return -1;
}
if ( vo_window == None )
{
vo_window = vo_x11_create_smooth_window(mDisplay, RootWindow(mDisplay,mScreen),
vinfo->visual, hint.x, hint.y, hint.width, hint.height, vinfo->depth, vo_x11_create_colormap(vinfo));
if ( flags&0x01 ) 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
vo_x11_sizehint( hint.x, hint.y, hint.width, hint.height,0 );
XClearWindow(mDisplay,vo_window);
/* Wait for map. */
do
{
XNextEvent(mDisplay, &xev);
}
while (xev.type != MapNotify || xev.xmap.event != vo_window);
XSelectInput(mDisplay, vo_window, NoEventMask);
}
else {
vo_x11_sizehint( hint.x, hint.y, hint.width, hint.height,0 );
if ( !(flags&1) ) XMoveResizeWindow( mDisplay,vo_window,hint.x,hint.y,hint.width,hint.height );
}
vo_x11_classhint( mDisplay,vo_window,"gl2" );
vo_hidecursor(mDisplay,vo_window);
if ( vo_config_count ) glXDestroyContext( mDisplay,wsGLXContext );
wsGLXContext=glXCreateContext( mDisplay,vinfo,NULL,True );
glXMakeCurrent( mDisplay,vo_window,wsGLXContext );
XFlush(mDisplay);
XSync(mDisplay, False);
//XSelectInput(mDisplay, vo_window, StructureNotifyMask); // !!!!
vo_x11_selectinput_witherr(mDisplay, vo_window, StructureNotifyMask | KeyPressMask | PointerMotionMask
| ButtonPressMask | ButtonReleaseMask | ExposureMask
);
if(glXGetConfig(mDisplay,vinfo,GLX_RED_SIZE, &r_sz)!=0)
r_sz=0;
if(glXGetConfig(mDisplay,vinfo,GLX_GREEN_SIZE, &g_sz)!=0)
g_sz=0;
if(glXGetConfig(mDisplay,vinfo,GLX_BLUE_SIZE, &b_sz)!=0)
b_sz=0;
if(glXGetConfig(mDisplay,vinfo,GLX_ALPHA_SIZE, &a_sz)!=0)
a_sz=0;
return 0;
}
#endif
static int initGl(uint32_t d_width, uint32_t d_height)
{
ImageDataLocal=malloc(image_width*image_height*image_bytes);
memset(ImageDataLocal,128,image_width*image_height*image_bytes);
ImageData=ImageDataLocal;
texture_width=image_width;
texture_height=image_height;
if (initTextures() < 0)
return -1;
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDisable(GL_CULL_FACE);
glPixelStorei (GL_UNPACK_ROW_LENGTH, memory_x_len);
/**
* may give a little speed up for a kinda burst read ..
*/
if( (image_width*image_bpp)%8 == 0 )
gl_alignment=8;
else if( (image_width*image_bpp)%4 == 0 )
gl_alignment=4;
else if( (image_width*image_bpp)%2 == 0 )
gl_alignment=2;
else
gl_alignment=1;
glPixelStorei (GL_UNPACK_ALIGNMENT, gl_alignment);
glEnable (GL_TEXTURE_2D);
gl_set_antialias(0);
gl_set_bilinear(1);
drawTextureDisplay ();
printf("[gl2] Using image_bpp=%d, image_bytes=%d, isBGR=%d, \n\tgl_bitmap_format=%s, gl_bitmap_type=%s, \n\tgl_alignment=%d, rgb_size=%d (%d,%d,%d), a_sz=%d, \n\tgl_internal_format=%s\n",
image_bpp, image_bytes, image_mode==MODE_BGR,
gl_bitmap_format_s, gl_bitmap_type_s, gl_alignment,
rgb_sz, r_sz, g_sz, b_sz, a_sz, gl_internal_format_s);
resize(&d_width, &d_height);
glClearColor( 0.0f,0.0f,0.0f,0.0f );
glClear( GL_COLOR_BUFFER_BIT );
return 0;
}
/* 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)
{
const unsigned char * glVersion;
image_height = height;
image_width = width;
vo_dwidth = d_width;
vo_dheight = d_height;
image_format = format;
int_pause = 0;
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);
#ifdef GL_WIN32
if (config_w32(width, height, d_width, d_height, flags, title, format) == -1)
#else
if (config_glx(width, height, d_width, d_height, flags, title, format) == -1)
#endif
return -1;
glVersion = glGetString(GL_VERSION);
printf("[gl2] OpenGL Driver Information:\n");
printf("\tvendor: %s,\n\trenderer %s,\n\tversion %s\n",
glGetString(GL_VENDOR),
glGetString(GL_RENDERER),
glVersion);
if(glVersion[0]>'1' ||
(glVersion[0]=='1' && glVersion[2]>='2') )
isGL12 = GL_TRUE;
else
isGL12 = GL_FALSE;
if(isGL12)
{
printf("[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)\n");
} else {
printf("[gl2] You have OpenGL < 1.2 drivers, BAD (16bpp and BGR may be damaged!)\n");
}
rgb_sz=r_sz+g_sz+b_sz;
if(rgb_sz<=0) rgb_sz=24;
if(r_sz==3 && g_sz==3 && b_sz==2 && a_sz==0) {
gl_internal_format=GL_R3_G3_B2;
gl_internal_format_s="GL_R3_G3_B2";
} else if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==0) {
gl_internal_format=GL_RGB4;
gl_internal_format_s="GL_RGB4";
} else if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==0) {
gl_internal_format=GL_RGB5;
gl_internal_format_s="GL_RGB5";
} else if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==0) {
gl_internal_format=GL_RGB8;
gl_internal_format_s="GL_RGB8";
} else if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==0) {
gl_internal_format=GL_RGB10;
gl_internal_format_s="GL_RGB10";
} else if(r_sz==2 && g_sz==2 && b_sz==2 && a_sz==2) {
gl_internal_format=GL_RGBA2;
gl_internal_format_s="GL_RGBA2";
} else if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==4) {
gl_internal_format=GL_RGBA4;
gl_internal_format_s="GL_RGBA4";
} else if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==1) {
gl_internal_format=GL_RGB5_A1;
gl_internal_format_s="GL_RGB5_A1";
} else if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==8) {
gl_internal_format=GL_RGBA8;
gl_internal_format_s="GL_RGBA8";
} else if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==2) {
gl_internal_format=GL_RGB10_A2;
gl_internal_format_s="GL_RGB10_A2";
} else {
gl_internal_format=GL_RGB;
gl_internal_format_s="GL_RGB";
}
#ifdef TEXTUREFORMAT_ALWAYS_RGB24
gl_internal_format=GL_RGB8;
gl_internal_format_s="GL_RGB8";
#endif
if (IMGFMT_IS_BGR(format))
{
image_mode=MODE_BGR;
image_bpp=IMGFMT_BGR_DEPTH(format);
}
else
{
image_mode=MODE_RGB;
image_bpp=IMGFMT_RGB_DEPTH(format);
}
image_bytes=(image_bpp+7)/8;
draw_alpha_fnc=draw_alpha_null;
switch(image_bpp)
{
case 15:
case 16:
if(image_mode!=MODE_BGR)
{
gl_bitmap_format = GL_RGB;
gl_bitmap_format_s ="GL_RGB";
gl_bitmap_type = GL_UNSIGNED_SHORT_5_6_5;
gl_bitmap_type_s ="GL_UNSIGNED_SHORT_5_6_5";
} else {
gl_bitmap_format = GL_BGR;
gl_bitmap_format_s ="GL_BGR";
gl_bitmap_type = GL_UNSIGNED_SHORT_5_6_5;
gl_bitmap_type_s ="GL_UNSIGNED_SHORT_5_6_5";
}
if (image_bpp==15)
draw_alpha_fnc=draw_alpha_15;
else
draw_alpha_fnc=draw_alpha_16;
break;
case 24:
if(image_mode!=MODE_BGR)
{
/* RGB888 */
gl_bitmap_format = GL_RGB;
gl_bitmap_format_s ="GL_RGB";
} else {
/* BGR888 */
gl_bitmap_format = GL_BGR;
gl_bitmap_format_s ="GL_BGR";
}
gl_bitmap_type = GL_UNSIGNED_BYTE;
gl_bitmap_type_s ="GL_UNSIGNED_BYTE";
draw_alpha_fnc=draw_alpha_24; break;
break;
case 32:
/* RGBA8888 */
gl_bitmap_format = GL_BGRA;
gl_bitmap_format_s ="GL_BGRA";
if(image_mode!=MODE_BGR)
{
gl_bitmap_type = GL_UNSIGNED_INT_8_8_8_8_REV;
gl_bitmap_type_s ="GL_UNSIGNED_INT_8_8_8_8_REV";
} else {
gl_bitmap_type = GL_UNSIGNED_INT_8_8_8_8;
gl_bitmap_type_s ="GL_UNSIGNED_INT_8_8_8_8";
}
draw_alpha_fnc=draw_alpha_32; break;
break;
}
if (initGl(d_width, d_height) == -1)
return -1;
#ifndef GL_WIN32
saver_off(mDisplay);
if (vo_ontop) vo_x11_setlayer(mDisplay,vo_window, vo_ontop);
#endif
return 0;
}
static int gl_handlekey(int key)
{
if(key=='a'||key=='A')
{
gl_set_antialias(!gl_antialias);
return 0;
}
else if(key=='b'||key=='B')
{
gl_set_bilinear(-1);
return 0;
}
return 1;
}
#ifdef GL_WIN32
static void check_events(void) {
int e=vo_w32_check_events();
if(e&VO_EVENT_RESIZE) resize(&vo_dwidth, &vo_dheight);
if(e&VO_EVENT_EXPOSE && int_pause) flip_page();
}
#else
static void check_events(void)
{
XEvent Event;
char buf[100];
KeySym keySym;
int key;
static XComposeStatus stat;
int e;
while ( XPending( mDisplay ) )
{
XNextEvent( mDisplay,&Event );
if( Event.type == KeyPress )
{
XLookupString( &Event.xkey,buf,sizeof(buf),&keySym,&stat );
key = (keySym&0xff00) != 0? ( (keySym&0x00ff) + 256 )
: ( keySym ) ;
if(gl_handlekey(key))
XPutBackEvent(mDisplay, &Event);
break;
} else {
XPutBackEvent(mDisplay, &Event);
break;
}
}
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();
}
#endif
static void draw_osd(void)
{ vo_draw_text(image_width,image_height,draw_alpha_fnc); }
static void
flip_page(void)
{
drawTextureDisplay();
// glFlush();
glFinish();
#ifdef GL_WIN32
SwapBuffers(vo_hdc);
#else
glXSwapBuffers( mDisplay,vo_window );
#endif
}
//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 inline uint32_t
draw_frame_x11_bgr(uint8_t *src[])
{
resetTexturePointers((unsigned char *)src[0]);
ImageData=(unsigned char *)src[0];
// for(i=0;i<image_height;i++) ImageData[image_width*image_bytes*i+20]=128;
setupTextureDirtyArea(0, 0, image_width, image_height);
return 0;
}
static inline uint32_t
draw_frame_x11_rgb(uint8_t *src[])
{
resetTexturePointers((unsigned char *)src[0]);
ImageData=(unsigned char *)src[0];
setupTextureDirtyArea(0, 0, image_width, image_height);
return 0;
}
static uint32_t
draw_frame(uint8_t *src[])
{
uint32_t res = 0;
if (IMGFMT_IS_RGB(image_format))
res = draw_frame_x11_rgb(src);
else
res = draw_frame_x11_bgr(src);
return res;
}
static uint32_t
query_format(uint32_t format)
{
switch(format){
case IMGFMT_RGB24:
case IMGFMT_BGR24:
// case IMGFMT_RGB32:
// case IMGFMT_BGR32:
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD;
}
return 0;
}
static void
uninit(void)
{
if ( !vo_config_count ) return;
#ifdef GL_WIN32
vo_w32_uninit();
#else
vo_x11_uninit();
#endif
}
static uint32_t preinit(const char *arg)
{
if(arg)
{
printf("[gl2] Unknown subdevice: %s\n",arg);
return ENOSYS;
}
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_ONTOP:
#ifdef GL_WIN32
vo_w32_ontop();
#else
vo_x11_ontop();
#endif
return VO_TRUE;
case VOCTRL_FULLSCREEN:
#ifdef GL_WIN32
vo_w32_fullscreen();
initGl(vo_dwidth, vo_dheight);
#else
vo_x11_fullscreen();
#endif
return VO_TRUE;
#ifndef GL_WIN32
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
int value;
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
return vo_x11_set_equalizer(data, value);
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int *value;
va_start(ap, data);
value = va_arg(ap, int *);
va_end(ap);
return vo_x11_get_equalizer(data, value);
}
#endif
}
return VO_NOTIMPL;
}
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