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glx.c
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glx.c
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#include "glx.h"
#include "../gl/init.h"
#ifdef HAS_BACKTRACE
#include <execinfo.h>
#endif // HAS_BACKTRACE
#include <fcntl.h>
#include "khash.h"
#ifdef USE_FBIO
#include <linux/fb.h>
#endif // USE_FBIO
#include <signal.h>
#include <sys/ioctl.h>
#if defined(USE_CLOCK) || defined(PYRA)
#include <time.h>
#else
#include <sys/time.h>
#endif
#ifdef PANDORA
#include <sys/socket.h>
#include <sys/un.h>
#endif // PANDORA
#include <unistd.h>
#ifdef AMIGAOS4
#include "../agl/amigaos.h"
#endif // AMIGAOS4
#include "../gl/debug.h"
#include "../gl/framebuffers.h"
#include "../gl/init.h"
#include "../gl/loader.h"
#ifdef PANDORA
#include "../gl/pixel.h"
#endif
#include "glx_gbm.h"
#include "hardext.h"
#include "streaming.h"
#include "utils.h"
#include "../gl/envvars.h"
//#define DEBUG
#ifdef DEBUG
#pragma GCC optimize 0
#define DBG(a) a
#else
#define DBG(a)
#endif
#ifndef EGL_GL_COLORSPACE_KHR
#define EGL_GL_COLORSPACE_KHR 0x309D
#define EGL_GL_COLORSPACE_SRGB_KHR 0x3089
#define EGL_GL_COLORSPACE_LINEAR_KHR 0x308A
#endif
#ifndef NOEGL
static bool eglInitialized = false;
static EGLDisplay eglDisplay = NULL;
static EGLSurface eglSurface = NULL;
static EGLConfig eglConfigs[1];
static EGLContext eglContext = EGL_NO_CONTEXT;
static int maxEGLConfig = 0;
static GLXFBConfig allFBConfig = NULL;
#endif
static int glx_default_depth=0;
#ifdef PANDORA
static struct sockaddr_un sun;
static int sock = -2;
#endif
int8_t CheckEGLErrors() {
#ifndef NOEGL
const char *errortext = PrintEGLError(1);
if (errortext) {
LOGE("ERROR: EGL Error detected: %s\n", errortext);
return 1;
}
#endif
return 0;
}
#ifndef NOX11
typedef struct {
int Width;
int Height;
EGLContext Context;
EGLSurface Surface;
EGLConfig Config;
int Depth;
Display *dpy;
int Type;
GC gc;
XImage* frame;
} glx_buffSize;
//PBuffer should work under ANDROID / NOX11
static GLXPbuffer *pbufferlist = NULL;
static glx_buffSize *pbuffersize = NULL;
static int pbufferlist_cap = 0;
static int pbufferlist_size = 0;
static int isPBuffer(GLXDrawable drawable) {
for (int i=0; i<pbufferlist_size; i++)
if(pbufferlist[i]==(GLXPbuffer)drawable)
return i+1;
return 0;
}
static void delPBuffer(int j)
{
pbufferlist[j] = 0;
pbuffersize[j].Width = 0;
pbuffersize[j].Height = 0;
pbuffersize[j].gc = 0;
pbuffersize[j].Context = NULL;
// should pack, but I think it's useless for common use
}
void BlitEmulatedPixmap(int win);
int createPBuffer(Display * dpy, const EGLint * egl_attribs, EGLSurface* Surface, EGLContext* Context, EGLConfig* Config, int redBits, int greenBits, int blueBits, int alphaBits, int samplebuffers, int samples);
GLXPbuffer addPixBuffer(Display *dpy, EGLSurface surface, EGLConfig Config, int Width, int Height, EGLContext Context, Pixmap pixmap, int depth, int emulated);
static Display *g_display = NULL;
static GLXContext glxContext = NULL;
static GLXContext fbContext = NULL;
static GLuint current_fb = 0;
#endif //NOX11
void glx_getMainFBSize(GLint* width, GLint* height) {
#if !defined(NOX11) && !defined(NOEGL) && !defined(ANDROID)
// noegl, no updating of framebuffer size
DBG(printf("gl4es_getMainFBSize() %dx%d -> ", *width, *height);)
LOAD_EGL(eglQuerySurface);
egl_eglQuerySurface(eglDisplay, glxContext->eglSurface, EGL_WIDTH, width);
egl_eglQuerySurface(eglDisplay, glxContext->eglSurface, EGL_HEIGHT, height);
DBG(printf("%dx%d (%s)\n", *width, *height, PrintEGLError(0));)
#endif
}
static int fbcontext_count = 0;
#ifdef USE_FBIO
#ifndef FBIO_WAITFORVSYNC
#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
#endif
static int fbdev = -1;
#endif
static int g_width=0, g_height=0;
static int swapinterval = 1; // default value. Also, should be tracked by drawable...
static int minswap=0;
static int maxswap=1;
// **** RPI stuffs ****
void (*bcm_host_init)();
void (*bcm_host_deinit)();
#ifndef ANDROID
#include "rpi.h"
#endif
// ***** end of RPI stuffs ****
// Generic create native window to use with "LIBGL_FB=1" (so with EGL_DEFAULT_DISPLAY and without X11)
static void* create_native_window(int w, int h) {
#if !defined(ANDROID) && !defined(AMIGAOS4)
if(bcm_host) return create_rpi_window(w, h);
#endif
#ifndef NO_GBM
if(globals4es.usegbm) return CreateGBMWindow(w, h);
#endif
return NULL;
}
static void delete_native_window(void* win) {
#if !defined(ANDROID) && !defined(AMIGAOS4)
if(bcm_host) return delete_rpi_window(win);
#endif
#ifndef NO_GBM
if(globals4es.usegbm) return DeleteGBMWindow(win);
#endif
}
#ifndef NOEGL
static EGLint egl_context_attrib_es2[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
static EGLint egl_context_attrib[] = {
EGL_NONE
};
typedef struct {
EGLSurface surf;
int *cnt;
} SharedEGLSurface_t;
KHASH_MAP_INIT_INT(eglsurfacelist_t, SharedEGLSurface_t*);
static khash_t(eglsurfacelist_t) *eglsurfaces = NULL;
static void RecycleAddSurface(GLXDrawable drawable, SharedEGLSurface_t* surf) {
if(!eglsurfaces) {
eglsurfaces = kh_init(eglsurfacelist_t);
}
int ret;
khint_t k;
k = kh_put(eglsurfacelist_t, eglsurfaces, drawable, &ret);
SharedEGLSurface_t *newsurf = malloc(sizeof(SharedEGLSurface_t));
memcpy(newsurf, surf, sizeof(SharedEGLSurface_t));
kh_value(eglsurfaces, k) = newsurf;
DBG(printf("LIBGL: EGLSurface for drawable %p Added\n", (void*)drawable);)
}
static SharedEGLSurface_t* RecycleGetSurface(GLXDrawable drawable) {
if(!eglsurfaces)
return NULL;
int ret;
khint_t k;
k = kh_get(eglsurfacelist_t, eglsurfaces, drawable);
if (k != kh_end(eglsurfaces)){
DBG(printf("LIBGL: EGLSurface for drawable %p found\n", (void*)drawable);)
return kh_value(eglsurfaces, k);
}
if((globals4es.usefb || globals4es.usefbo) && kh_size(eglsurfaces)) {
// all surface are in the same drawable
// take the first one
for (k = kh_begin(eglsurfaces); k != kh_end(eglsurfaces); ++k)
if (kh_exist(eglsurfaces, k))
return kh_value(eglsurfaces, k);
}
return NULL;
}
static void RecycleDelSurface(GLXDrawable drawable) {
int ret;
khint_t k;
#ifndef NOX11
ret = isPBuffer(drawable);
if(ret)
delPBuffer(ret-1);
#endif
if(!eglsurfaces)
return;
k = kh_get(eglsurfacelist_t, eglsurfaces, drawable);
if (k != kh_end(eglsurfaces)){
/*LOAD_EGL(eglDestroySurface);
egl_eglDestroySurface(eglDisplay, kh_value(eglsurfaces, k));*/
free(kh_value(eglsurfaces, k));
kh_del(eglsurfacelist_t, eglsurfaces, k);
DBG(printf("LIBGL: EGLSurface for drawable %p removed\n", (void*)drawable);)
}
return;
}
#endif
extern void* egl;
int globales2 = 0;
// GLState management
void* NewGLState(void* shared_glstate, int es2only);
void DeleteGLState(void* oldstate);
void ActivateGLState(void* new_glstate);
void CopyGLEShard(void* dst, const void* src);
typedef struct {
int drawable;
#ifndef NOEGL
EGLSurface surface;
#endif
int PBuffer;
} map_drawable_t;
KHASH_MAP_INIT_INT(mapdrawable, map_drawable_t*)
khash_t(mapdrawable) *MapDrawable = NULL;
#ifndef NOX11
static int get_config_default(Display *display, int attribute, int *value) {
switch (attribute) {
case GLX_USE_GL:
case GLX_RGBA:
case GLX_X_RENDERABLE:
case GLX_DOUBLEBUFFER:
*value = 1;
break;
case GLX_LEVEL:
case GLX_STEREO:
*value = 0;
break;
case GLX_AUX_BUFFERS:
*value = 0;
break;
#ifdef PANDORA
case GLX_RED_SIZE:
*value = 5;
break;
case GLX_GREEN_SIZE:
*value = 6;
break;
case GLX_BLUE_SIZE:
*value = 5;
break;
case GLX_ALPHA_SIZE:
*value = 8; // why not 0?
break;
case GLX_DEPTH_SIZE:
*value = 16;
break;
#else
case GLX_RED_SIZE:
*value = 8;
break;
case GLX_GREEN_SIZE:
*value = 8;
break;
case GLX_BLUE_SIZE:
*value = 8;
break;
case GLX_ALPHA_SIZE:
*value = 8;
break;
case GLX_DEPTH_SIZE:
*value = 24;//32;
break;
#endif
case GLX_STENCIL_SIZE:
*value = 8;
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
*value = 0;
break;
case GLX_TRANSPARENT_TYPE:
*value = GLX_NONE;
break;
case GLX_RENDER_TYPE:
*value = GLX_RGBA_TYPE;
break;
case GLX_VISUAL_ID:
{
XVisualInfo xvinfo = {0};
xvinfo.depth = glx_default_depth;
xvinfo.class = TrueColor;
int n;
XVisualInfo *visuals = XGetVisualInfo(display, VisualDepthMask|VisualClassMask, &xvinfo, &n);
if (!n) {
LOGD("Warning, get_config_default: XGetVisualInfo gives 0 VisualInfo for %d depth and TrueColor class\n", glx_default_depth);
*value = 0;
} else {
*value = visuals[0].visualid;
XFree(visuals);
}
}
break;
case GLX_FBCONFIG_ID:
*value = 0;
break;
case GLX_DRAWABLE_TYPE:
*value = GLX_WINDOW_BIT;
break;
case GLX_BUFFER_SIZE:
*value = 16;
break;
case GLX_X_VISUAL_TYPE:
*value = GLX_TRUE_COLOR;
break;
case GLX_CONFIG_CAVEAT:
case GLX_SAMPLE_BUFFERS:
case GLX_SAMPLES:
*value = 0;
break;
case GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB:
*value = hardext.srgb;
break;
default:
DBG(printf(" => Unknown attrib\n");)
LOGD("unknown attrib %i\n", attribute);
*value = 0;
return 1;
}
DBG(printf(" -> 0x%04X\n", *value);)
return 0;
}
static void init_display(Display *display) {
LOAD_EGL(eglGetDisplay);
if (! g_display) {
g_display = display;//XOpenDisplay(NULL);
}
if(globals4es.usegbm) {
eglDisplay = OpenGBMDisplay(display);
}
if(!eglDisplay) {
if (globals4es.usefb || globals4es.usepbuffer) {
eglDisplay = egl_eglGetDisplay(EGL_DEFAULT_DISPLAY);
} else {
eglDisplay = egl_eglGetDisplay(display);
}
}
}
static void fill1GLXFBConfig(Display *display, EGLConfig eglConfig, int DB, GLXFBConfig fbConfig) {
LOAD_EGL(eglGetConfigAttrib);
EGLint tmp;
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_RED_SIZE, &fbConfig->redBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_GREEN_SIZE, &fbConfig->greenBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_BLUE_SIZE, &fbConfig->blueBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_ALPHA_SIZE, &fbConfig->alphaBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_DEPTH_SIZE, &fbConfig->depthBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_STENCIL_SIZE, &fbConfig->stencilBits);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_SAMPLES, &fbConfig->multiSampleSize);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_SAMPLE_BUFFERS, &fbConfig->nMultiSampleBuffers);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_SURFACE_TYPE, &tmp);
fbConfig->drawableType = 0;
if(tmp&EGL_WINDOW_BIT) fbConfig->drawableType |= GLX_WINDOW_BIT;
if(tmp&EGL_PBUFFER_BIT) fbConfig->drawableType |= GLX_PBUFFER_BIT;
if(tmp&EGL_PIXMAP_BIT) fbConfig->drawableType |= GLX_PIXMAP_BIT;
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_MAX_PBUFFER_WIDTH, &fbConfig->maxPbufferWidth);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_MAX_PBUFFER_HEIGHT, &fbConfig->maxPbufferHeight);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_MAX_PBUFFER_PIXELS, &fbConfig->maxPbufferPixels);
egl_eglGetConfigAttrib(eglDisplay, eglConfig, EGL_NATIVE_VISUAL_ID, &fbConfig->associatedVisualId);
if(!fbConfig->associatedVisualId || globals4es.usefb || globals4es.usefbo || globals4es.usepbuffer) {
// when using some FB driver, lets take a default VisualID, as the one from the EGLConfig is probably not the correct one
glx_default_depth = XDefaultDepth(display, 0);
XVisualInfo xvinfo = {0};
xvinfo.depth = glx_default_depth;
xvinfo.class = TrueColor;
int n;
XVisualInfo *visuals = XGetVisualInfo(display, VisualDepthMask|VisualClassMask, &xvinfo, &n);
if (!n) {
LOGD("Warning, fillGLXFBConfig: XGetVisualInfo gives 0 VisualInfo for %d depth and TrueColor class\n", glx_default_depth);
fbConfig->associatedVisualId = 0;
} else {
fbConfig->associatedVisualId = visuals[0].visualid;
XFree(visuals);
}
}
fbConfig->doubleBufferMode = DB;
fbConfig->id = eglConfig;
}
static void init_eglconfig(Display *display) {
if(g_display != display) {
if(allFBConfig)
free(allFBConfig);
allFBConfig = NULL;
g_display = NULL; // should close properly
init_display(display);
}
if(allFBConfig)
return;
LOAD_EGL(eglChooseConfig);
LOAD_EGL(eglGetConfigAttrib);
EGLint configAttribs[] = {
EGL_RENDERABLE_TYPE, (hardext.esversion==1)?EGL_OPENGL_ES_BIT:EGL_OPENGL_ES2_BIT,
EGL_NONE
};
int configsFound;
// grab all config for the display
egl_eglChooseConfig(eglDisplay, configAttribs, NULL, 0, &configsFound);
EGLConfig allConfigs[configsFound];
egl_eglChooseConfig(eglDisplay, configAttribs, allConfigs, configsFound, &configsFound);
maxEGLConfig = -1;
EGLint confID;
for(int i=0; i<configsFound; ++i) {
egl_eglGetConfigAttrib(eglDisplay, allConfigs[i], EGL_CONFIG_ID, &confID);
if(maxEGLConfig<confID)
maxEGLConfig = confID; // get max number
}
++maxEGLConfig;
allFBConfig = (GLXFBConfig)calloc(maxEGLConfig*2, sizeof(struct __GLXFBConfigRec));
for(int i=0; i<configsFound; ++i) {
egl_eglGetConfigAttrib(eglDisplay, allConfigs[i], EGL_CONFIG_ID, &confID);
fill1GLXFBConfig(display, allConfigs[i], 0, &allFBConfig[confID]);
fill1GLXFBConfig(display, allConfigs[i], 1, &allFBConfig[confID+maxEGLConfig]);
}
}
static int InitEGL(Display *display) {
if(eglInitialized)
return 1;
if(!eglDisplay || eglDisplay==EGL_NO_DISPLAY) {
init_display(display);
if (eglDisplay == EGL_NO_DISPLAY)
return 0;
}
LOAD_EGL(eglBindAPI);
LOAD_EGL(eglInitialize);
egl_eglBindAPI(EGL_OPENGL_ES_API);
EGLint result = egl_eglInitialize(eglDisplay, NULL, NULL);
if (result != EGL_TRUE) {
CheckEGLErrors();
LOGE("Unable to initialize EGL display.\n");
return 0;
}
eglInitialized = true;
return 1;
}
#endif //NOX11
static void init_vsync() {
#ifdef USE_FBIO
fbdev = open("/dev/fb0", O_RDONLY);
if (fbdev < 0) {
LOGE("Could not open /dev/fb0 for vsync.\n");
}
#endif
}
static void xrefresh() {
int dummy = system("xrefresh");
}
#ifdef PANDORA
static void pandora_reset_gamma() {
if(globals4es.gamma>0.0f)
system("sudo /usr/pandora/scripts/op_gamma.sh 0");
}
void pandora_set_gamma() {
{
char buf[50];
if(globals4es.gamma>0.0f)
sprintf(buf, "sudo /usr/pandora/scripts/op_gamma.sh %.2f", globals4es.gamma);
else
sprintf(buf, "sudo /usr/pandora/scripts/op_gamma.sh 0");
int dummy = system(buf);
}
}
#endif
static void signal_handler(int sig) {
if (globals4es.xrefresh)
xrefresh();
#ifdef PANDORA
pandora_reset_gamma();
#endif
#if defined(BCMHOST) && !defined(ANDROID)
rpi_fini();
#endif
#ifdef HAS_BACKTRACE
if (globals4es.stacktrace) {
switch (sig) {
case SIGBUS:
case SIGFPE:
case SIGILL:
case SIGSEGV: {
void *array[10];
size_t size = backtrace(array, 10);
if (! size) {
LOGD("No stacktrace. Compile with -funwind-tables.\n");
} else {
LOGD("Stacktrace: %zd\n", size);
backtrace_symbols_fd(array, size, 2);
}
break;
}
}
}
#endif
signal(sig, SIG_DFL);
raise(sig);
}
#ifdef PANDORA
static void init_liveinfo() {
static const char socket_name[] = "\0liveinfo";
sock = socket(PF_UNIX, SOCK_DGRAM, 0);
if (sock == -1) {
// no socket, so LiveInfo probably not active
return;
}
memset(&sun, 0, sizeof(sun));
sun.sun_family = AF_UNIX;
memcpy(sun.sun_path, socket_name, sizeof(socket_name));
// send a test string
const char test_string[] = "gl: fpsinfo";
if (sendto(sock, test_string, strlen(test_string), 0,(struct sockaddr *)&sun, sizeof(sun))<0) {
// error, so probably not present
close(sock);
sock=-1;
} else
fcntl(sock, F_SETFL, O_NONBLOCK);
}
#endif
void glx_init() {
// init map_drawable
int ret;
if( !gl4es_getMainFBSize )
gl4es_getMainFBSize = glx_getMainFBSize;
MapDrawable = kh_init(mapdrawable);
kh_put(mapdrawable, MapDrawable, 1, &ret);
kh_del(mapdrawable, MapDrawable, 1);
#if defined(BCMHOST) && !defined(ANDROID)
rpi_init();
#endif
if(globals4es.usegbm)
atexit(CloseGBMFunctions);
if (globals4es.xrefresh || globals4es.stacktrace)
{
// TODO: a bit gross. Maybe look at this: http://stackoverflow.com/a/13290134/293352
signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler);
//signal(SIGILL, signal_handler);
signal(SIGSEGV, signal_handler);
if (globals4es.xrefresh) {
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
}
if (globals4es.xrefresh)
atexit(xrefresh);
#if !defined(ANDROID) && !defined(AMIGAOS4)
#endif //!ANDROID && !AMIGAOS4
}
#ifdef PANDORA
atexit(pandora_reset_gamma);
#elif defined(BCMHOST)
atexit(bcm_host_deinit);
#elif defined(AMIGAOS4)
#ifndef GL4ES_COMPILE_FOR_USE_IN_SHARED_LIB
atexit(os4CloseLib);
#endif
#endif
//V-Sync
if (globals4es.vsync)
init_vsync();
#ifdef PANDORA
init_liveinfo();
if (sock>-1) {
SHUT_LOGD("LiveInfo detected, fps will be shown\n");
}
#endif
}
#ifndef NOX11
KHASH_MAP_INIT_INT(fbvisual, GLXFBConfig*);
static kh_fbvisual_t *fbvisual = NULL;
void InitFBVisual()
{
if(fbvisual)
return;
fbvisual = kh_init(fbvisual);
}
void FreeFBVisual()
{
if(!fbvisual)
return;
GLXFBConfig *conf;
kh_foreach_value(fbvisual, conf, free(conf));
kh_destroy(fbvisual, fbvisual);
fbvisual = NULL;
}
GLXFBConfig* FindFBVisual(XVisualInfo *visual)
{
if(!fbvisual)
InitFBVisual();
khint_t k = kh_get(fbvisual, fbvisual, (uintptr_t)visual);
if(k==kh_end(fbvisual))
return NULL;
return kh_value(fbvisual, k);
}
void AddFBVisual(XVisualInfo *visual, GLXFBConfig *conf)
{
if(!fbvisual)
InitFBVisual();
int ret;
khint_t k = kh_put(fbvisual, fbvisual, (uintptr_t)visual, &ret);
if(!ret)
free(kh_value(fbvisual, k));
kh_value(fbvisual, k) = conf;
}
GLXContext gl4es_glXCreateContext(Display *display,
XVisualInfo *visual,
GLXContext shareList,
Bool isDirect) {
DBG(printf("glXCreateContext(%p, %p, %p, %i) fbcontext_count=%d ", display, visual, shareList, isDirect, fbcontext_count);)
static struct __GLXFBConfigRec default_glxfbconfig;
GLXFBConfig glxfbconfig;
GLXFBConfig *visualfbconfig = FindFBVisual(visual);
if(visualfbconfig)
glxfbconfig = visualfbconfig[0];
else {
glxfbconfig = &default_glxfbconfig;
memset(glxfbconfig, 0, sizeof(struct __GLXFBConfigRec));
default_glxfbconfig.redBits = (visual==0)?0:(visual->depth==16)?5:8;
default_glxfbconfig.greenBits = (visual==0)?0:(visual->depth==16)?6:8;
default_glxfbconfig.blueBits = (visual==0)?0:(visual->depth==16)?5:8;
default_glxfbconfig.alphaBits = (visual==0)?0:(visual->depth!=32)?0:8;
#ifdef PANDORA
default_glxfbconfig.depthBits = 16;
#else
default_glxfbconfig.depthBits = 24;
#endif
default_glxfbconfig.stencilBits = 8;
default_glxfbconfig.doubleBufferMode = 1;
}
int depthBits = glxfbconfig->depthBits;
if(glxfbconfig->stencilBits>8)
glxfbconfig->stencilBits = 8;
if(depthBits==16 && glxfbconfig->stencilBits)
glxfbconfig->stencilBits = EGL_DONT_CARE;
#ifdef PANDORA
if(depthBits==32)
depthBits = (glxfbconfig->stencilBits==8 && hardext.esversion==2)?24:16;
if(depthBits==24 && glxfbconfig->stencilBits==8 && !(globals4es.usefbo || globals4es.usepbuffer || hardext.esversion==2))
depthBits = 16;
else if(depthBits==16 && glxfbconfig->stencilBits==8 && hardext.esversion==2)
depthBits = 24;
#endif
DBG(printf("Creating R:%d G:%d B:%d A:%d visual deth=%d Depth:%d Stencil:%d Multisample:%d/%d Doublebuff=%d\n", glxfbconfig->redBits, glxfbconfig->greenBits, glxfbconfig->blueBits, glxfbconfig->alphaBits, visual?visual->depth:0, depthBits, glxfbconfig->stencilBits, glxfbconfig->nMultiSampleBuffers, glxfbconfig->multiSampleSize, glxfbconfig->doubleBufferMode);)
EGLint configAttribs[] = {
#ifdef PANDORA
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
#else
EGL_RED_SIZE, glxfbconfig->redBits,
EGL_GREEN_SIZE, glxfbconfig->greenBits,
EGL_BLUE_SIZE, glxfbconfig->blueBits,
EGL_ALPHA_SIZE, (hardext.eglnoalpha)?0:glxfbconfig->alphaBits,
#endif
EGL_DEPTH_SIZE, depthBits,
EGL_RENDERABLE_TYPE, (hardext.esversion==1)?EGL_OPENGL_ES_BIT:EGL_OPENGL_ES2_BIT,
//EGL_BUFFER_SIZE, depthBits,
EGL_STENCIL_SIZE, glxfbconfig->stencilBits,
EGL_SAMPLE_BUFFERS, glxfbconfig->nMultiSampleBuffers,
EGL_SAMPLES, glxfbconfig->multiSampleSize,
EGL_SURFACE_TYPE, (globals4es.usegbm)?EGL_WINDOW_BIT:(globals4es.usepbuffer?EGL_PBUFFER_BIT:(EGL_WINDOW_BIT | EGL_PBUFFER_BIT)),
EGL_NONE
};
if (globals4es.usefb)
++fbcontext_count;
LOAD_EGL(eglMakeCurrent);
LOAD_EGL(eglDestroyContext);
LOAD_EGL(eglDestroySurface);
LOAD_EGL(eglCreateContext);
LOAD_EGL(eglChooseConfig);
LOAD_EGL(eglQueryString);
GLXContext fake = calloc(1, sizeof(struct __GLXContextRec));
// make an egl context here...
EGLBoolean result;
if (eglDisplay == NULL || eglDisplay == EGL_NO_DISPLAY) {
init_display(display);
if (eglDisplay == EGL_NO_DISPLAY) {
DBG(printf(" => %p\n", NULL);)
CheckEGLErrors();
LOGE("Unable to create EGL display.\n");
free(fake);
return 0;
}
}
// first time?
if (eglInitialized == false) {
if(!InitEGL(display)) {
DBG(printf(" => %p\n", NULL);)
CheckEGLErrors();
LOGE("Unable to init EGL.\n");
free(fake);
return 0;
}
}
result = egl_eglChooseConfig(eglDisplay, configAttribs, fake->eglConfigs, 64, &fake->eglConfigsCount);
if(fake->eglConfigsCount && globals4es.usegbm)
fake->eglconfigIdx = FindGBMConfig(eglDisplay, fake->eglConfigs, fake->eglConfigsCount);
CheckEGLErrors();
if (result != EGL_TRUE || fake->eglConfigsCount == 0) {
DBG(printf(" => %p\n", NULL);)
LOGE("No EGL configs found (depth=%d, stencil=%d).\n", depthBits, glxfbconfig->stencilBits);
CheckEGLErrors();
free(fake);
return 0;
}
EGLContext shared = (shareList)?shareList->eglContext:EGL_NO_CONTEXT;
fake->eglContext = egl_eglCreateContext(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], shared, (hardext.esversion==1)?egl_context_attrib:egl_context_attrib_es2);
CheckEGLErrors();
// need to return a glx context pointing at it
fake->display = display;
fake->direct = true;
fake->xid = 1; //TODO: Proper handling of that id...
fake->contextType = 0; //Window
fake->doublebuff = glxfbconfig->doubleBufferMode;
#ifdef PANDORA
fake->rbits = 5; fake->gbits=6; fake->bbits=5; fake->abits=0;
#else
fake->rbits = (visual==0)?8:(visual->depth==16)?5:8,
fake->gbits= (visual==0)?8:(visual->depth==16)?6:8,
fake->bbits= (visual==0)?8:(visual->depth==16)?5:8,
fake->abits= (visual==0)?8:(visual->depth!=32)?0:8,
#endif
fake->samples = 0; fake->samplebuffers = 0;
fake->shared = (shareList)?shareList->glstate:NULL;
DBG(printf(" => %p\n", fake);)
return fake;
}
GLXContext createPBufferContext(Display *display, GLXContext shareList, GLXFBConfig config) {
EGLint configAttribs[] = {
EGL_RED_SIZE, (config)?config->redBits:0,
EGL_GREEN_SIZE, (config)?config->greenBits:0,
EGL_BLUE_SIZE, (config)?config->blueBits:0,
EGL_ALPHA_SIZE, (hardext.eglnoalpha)?0:((config)?config->alphaBits:0),
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, (hardext.esversion==1)?EGL_OPENGL_ES_BIT:EGL_OPENGL_ES2_BIT,
EGL_SAMPLE_BUFFERS, (config)?config->nMultiSampleBuffers:0,
EGL_SAMPLES, (config)?config->multiSampleSize:0,
EGL_NONE
};
LOAD_EGL(eglChooseConfig);
LOAD_EGL(eglCreateContext);
LOAD_EGL(eglGetConfigAttrib);
// Check that the config is for PBuffer
if(!(config->drawableType&GLX_PBUFFER_BIT))
return 0;
// Init what need to be done
if(!InitEGL(display))
return NULL;
// select a configuration
EGLBoolean result;
int configsFound;
static EGLConfig pbufConfigs[1];
result = egl_eglChooseConfig(eglDisplay, configAttribs, pbufConfigs, 1, &configsFound);
CheckEGLErrors();
if (result != EGL_TRUE || configsFound == 0) {
LOGE("No EGL configs found.\n");
return 0;
}
EGLContext shared = (shareList)?shareList->eglContext:EGL_NO_CONTEXT;
GLXContext fake = malloc(sizeof(struct __GLXContextRec));
memset(fake, 0, sizeof(struct __GLXContextRec));
fake->es2only = globales2;
fake->shared = (shareList)?shareList->glstate:NULL;
fake->eglConfigs[0] = pbufConfigs[0];
fake->eglConfigsCount = 1;
fake->eglconfigIdx = 0;
fake->eglContext = egl_eglCreateContext(eglDisplay, fake->eglConfigs[0], shared, (hardext.esversion==1)?egl_context_attrib:egl_context_attrib_es2);
CheckEGLErrors();
// need to return a glx context pointing at it
fake->display = display;
fake->direct = true;
fake->xid = 1; //TODO: Proper handling of that id...
fake->contextType = 1; //PBuffer
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_RED_SIZE, &fake->rbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_GREEN_SIZE, &fake->gbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_BLUE_SIZE, &fake->bbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_ALPHA_SIZE, &fake->abits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_DEPTH_SIZE, &fake->depth);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_STENCIL_SIZE, &fake->stencil);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_SAMPLES, &fake->samples);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[0], EGL_SAMPLE_BUFFERS, &fake->samplebuffers);
DBG(printf(" => return PBufferContext %p (context->shared=%p)\n", fake, fake->shared);)
return fake;
}
GLXContext gl4es_glXCreateContextAttribsARB(Display *display, GLXFBConfig config,
GLXContext share_context, Bool direct,
const int *attrib_list) {
DBG(printf("glXCreateContextAttribsARB(%p, %p, %p, %d, %p) ", display, config, share_context, direct, attrib_list);
if(config)
printf("config is RGBA:%d%d%d%d, depth=%d, stencil=%d, multisample=%d/%d doublebuff=%d, drawable=%d\n", config->redBits, config->greenBits, config->blueBits, config->alphaBits, config->depthBits, config->stencilBits, config->multiSampleSize, config->nMultiSampleBuffers, config->doubleBufferMode, config->drawableType);
else printf("\n");
)
if(config && config->drawableType==GLX_PBUFFER_BIT) {
return createPBufferContext(display, share_context, config);
} else {
EGLint type = 0;
if(config->drawableType&GLX_PIXMAP_BIT) type|=EGL_PIXMAP_BIT;
if(config->drawableType&GLX_WINDOW_BIT) type|=EGL_WINDOW_BIT;
if(config->drawableType&GLX_PBUFFER_BIT) type|=EGL_PBUFFER_BIT;
EGLint configAttribs[] = {
#ifdef PANDORA
EGL_RED_SIZE, (config->drawableType==GLX_PIXMAP_BIT)?config->redBits:5,
EGL_GREEN_SIZE, (config->drawableType==GLX_PIXMAP_BIT)?config->greenBits:6,
EGL_BLUE_SIZE, (config->drawableType==GLX_PIXMAP_BIT)?config->blueBits:5,
EGL_ALPHA_SIZE, (config->drawableType==GLX_PIXMAP_BIT)?config->alphaBits:0,
EGL_DEPTH_SIZE, (globals4es.usefb)?24:config->depthBits,
EGL_STENCIL_SIZE, (globals4es.usefb)?8:config->stencilBits,
#else
EGL_RED_SIZE, config->redBits,
EGL_GREEN_SIZE, config->greenBits,
EGL_BLUE_SIZE, config->blueBits,
EGL_ALPHA_SIZE, (hardext.eglnoalpha)?0:config->alphaBits,
EGL_DEPTH_SIZE, config->depthBits,
EGL_STENCIL_SIZE, config->stencilBits,
#endif
EGL_SAMPLES, config->multiSampleSize,
EGL_SAMPLE_BUFFERS, config->nMultiSampleBuffers,
EGL_RENDERABLE_TYPE, (hardext.esversion==1)?EGL_OPENGL_ES_BIT:EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE, globals4es.usepbuffer?EGL_PBUFFER_BIT:type,
EGL_NONE
};
if (globals4es.usefb)
++fbcontext_count;
LOAD_EGL(eglMakeCurrent);
LOAD_EGL(eglDestroyContext);
LOAD_EGL(eglDestroySurface);
LOAD_EGL(eglCreateContext);
LOAD_EGL(eglChooseConfig);
LOAD_EGL(eglQueryString);
LOAD_EGL(eglGetConfigAttrib);
GLXContext fake = calloc(1, sizeof(struct __GLXContextRec));
fake->es2only = globales2;
fake->shared = (share_context)?share_context->glstate:NULL;
// make an egl context here...
EGLBoolean result;
if (eglDisplay == NULL || eglDisplay == EGL_NO_DISPLAY) {
init_display(display);
if (eglDisplay == EGL_NO_DISPLAY) {
LOGE("Unable to create EGL display.\n");
return fake;
}
}
// first time?
if (eglInitialized == false) {
result = InitEGL(display);
if (!result) {
CheckEGLErrors();
LOGE("Unable to initialize EGL display.\n");
return fake;
}
}
result = egl_eglChooseConfig(eglDisplay, configAttribs, fake->eglConfigs, 64, &fake->eglConfigsCount);
if(fake->eglConfigsCount && globals4es.usegbm)
fake->eglconfigIdx = FindGBMConfig(eglDisplay, fake->eglConfigs, fake->eglConfigsCount);
else
fake->eglconfigIdx = 0;
CheckEGLErrors();
if (result != EGL_TRUE || fake->eglConfigsCount == 0) {
LOGE("No EGL configs found.\n");
return fake;
}
EGLContext shared = (share_context)?share_context->eglContext:EGL_NO_CONTEXT;
fake->eglContext = egl_eglCreateContext(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], shared, (hardext.esversion==1)?egl_context_attrib:egl_context_attrib_es2);
CheckEGLErrors();
// need to return a glx context pointing at it
fake->display = display;
fake->direct = true;
fake->xid = 1; //TODO: Proper handling of that id...
fake->contextType = (config->drawableType&GLX_WINDOW_BIT)?0:2; //Window:Pixmap
fake->doublebuff = config->doubleBufferMode;
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_RED_SIZE, &fake->rbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_GREEN_SIZE, &fake->gbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_BLUE_SIZE, &fake->bbits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_ALPHA_SIZE, &fake->abits);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_DEPTH_SIZE, &fake->depth);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_STENCIL_SIZE, &fake->stencil);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_SAMPLES, &fake->samples);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_SAMPLE_BUFFERS, &fake->samplebuffers);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_MIN_SWAP_INTERVAL, &minswap);
egl_eglGetConfigAttrib(eglDisplay, fake->eglConfigs[fake->eglconfigIdx], EGL_MAX_SWAP_INTERVAL, &maxswap);
DBG(printf(" => return %p (eglContext=%p, context->shared=%p)\n", fake, fake->eglContext, fake->shared);)
return fake;
}
}
void gl4es_glXDestroyContext(Display *display, GLXContext ctx) {
DBG(printf("glXDestroyContext(%p, %p), fbcontext_count=%d, ctx_type=%d\n", display, ctx, fbcontext_count, (ctx)?ctx->contextType:0);)
if(globals4es.usefb)
--fbcontext_count;
if (ctx->eglContext) {
// need to bind back the context to delete stuff?
LOAD_EGL(eglMakeCurrent);
if(eglSurface!=ctx->eglSurface || eglContext!=ctx->eglContext) {
DBG(printf(" temporary switch to eglSurface:%p(from %p), eglContext:%p(from %p)\n", ctx->eglSurface, eglSurface, ctx->eglContext, eglContext);)