// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
void GfxTexture::SaveTGA( const char* fname )
{
FILE *file_TGA = fopen( fname, "wb");
if (file_TGA != NULL)
{
int nSize = Width * Height * (IsRGBA ? 4 : 1);
void *buf_image = malloc( nSize );
if (buf_image != NULL)
{
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, buf_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
raspitexutil_brga_to_rgba( (uint8_t*) buf_image, nSize );
write_tga( file_TGA, Width, Height, (uint8_t*) buf_image, nSize);
free(buf_image);
}
fclose( file_TGA );
}
}
void add(Window w) {
XWindowAttributes attr;
int i;
if (w == root || w == overlay || w == canvas-1)
return;
debug("[AddWindow] Adding window 0x%x\n", w);
if (workspace == NULL) {
workspace = malloc(sizeof(Client) * MAX_CLIENTS);
memset(workspace, 0, sizeof(Client) * MAX_CLIENTS);
}
for (i=0; i<MAX_CLIENTS && workspace[i].window != 0; i++)
if (workspace[i].window == 0)
break;
unsigned int v;
int target;
GLuint texture;
GLXFBConfig fbc = choose_fbconfig();
Pixmap pixmap = XCompositeNameWindowPixmap(dpy, w);
debug("Got pixmap 0x%x for 0x%x\n", pixmap, w);
XGetWindowAttributes(dpy, w, &attr);
if (attr.depth == 32)
pixmap_attr[1] = GLX_TEXTURE_FORMAT_RGBA_EXT;
else
pixmap_attr[1] = GLX_TEXTURE_FORMAT_RGB_EXT;
GLXPixmap glxpixmap = glXCreatePixmap(dpy, fbc, pixmap, pixmap_attr);
debug("Got glxpixmap 0x%x for 0x%x\n", glxpixmap, pixmap);
check_gl(__LINE__);
glXQueryDrawable(dpy, glxpixmap, GLX_WIDTH, &v);
check_gl(__LINE__); debug("GLX is %d width\n", v);
glXQueryDrawable(dpy, glxpixmap, GLX_HEIGHT, &v);
check_gl(__LINE__); debug("GLX is %d height\n", v);
glXQueryDrawableProc(dpy, glxpixmap, GLX_TEXTURE_TARGET_EXT, &target);
check_gl(__LINE__); debug("GLX is 0x%x\n", target);
glGenTextures(1, &texture);
check_gl(__LINE__);
switch (target) {
case GLX_TEXTURE_2D_EXT:
warn("GLX_TEXTURE_2D_EXT requested but we don't support that yet\n");
target = GL_TEXTURE_2D;
break;
case GLX_TEXTURE_RECTANGLE_EXT:
target = GL_TEXTURE_RECTANGLE_ARB;
break;
default:
die(ERR_INVALID_TEXTURE, "Invalid target: 0x%x\n", target);
}
info("Window 0x%x has glx = %x, target 0x%x and texture %d\n",
w, glxpixmap, target, texture);
workspace[i].window = w;
workspace[i].glxpixmap = glxpixmap;
workspace[i].target = target;
workspace[i].texture = texture;
XGetWindowAttributes(dpy, w, &(workspace[i].geom));
}
void setup_gl(void) {
if (direct && !glXIsDirect(dpy, context))
warn("Server doesn't support direct rendering! Falling back to indirect.\n");
direct = glXIsDirect(dpy, context); check_gl(__LINE__);
if (direct) info("Using direct rendering\n");
else info("Using indirect rendering\n");
glEnable(GL_TEXTURE_RECTANGLE_ARB); check_gl(__LINE__);
//glDrawBuffer(GL_BACK); check_gl(__LINE__);
*(void**) (&glXQueryDrawableProc) = glXGetProcAddress((GLubyte*)"glXQueryDrawable");
*(void**) (&glXBindTexImageProc) = glXGetProcAddress((GLubyte*)"glXBindTexImageEXT");
*(void**) (&glXReleaseTexImageProc) = glXGetProcAddress((GLubyte*)"glXReleaseTexImageEXT");
if (glXQueryDrawableProc == NULL)
die(1, "No glXQueryDrawableProc\n");
if (glXBindTexImageProc == NULL)
die(1, "No glXBindTexImageProc\n");
if (glXQueryDrawableProc == NULL)
die(1, "No glXReleaseTexImageProc\n");
XMapSubwindows(dpy, overlay);
info("Defined viewport as %d, %d (ratio = %g)\n", width, height, ratio);
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glOrtho(0, width, height, 0, -2, 2);
glMatrixMode(GL_MODELVIEW);
//glOrtho(-1.0f, +1.0f, -1.0f*ratio, +1.0f*ratio, 1e-2f, 1e+4f);
//for_windows(root, &print);
//for_windows(root, &add);
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
int GfxTexture::GetImageLayer1( int &nSize, void **buf_image, int nLayer ) // memory is allocated
{
int nReturn = 0;
nSize = Width * Height * (IsRGBA ? 4 : 1);
*buf_image = malloc( nSize );
if (buf_image != NULL)
{
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, *buf_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
// save only one layer -> result is grayscale image - size Width * Height * 1
//
if (raspitexutil_get_onelayer( (uint8_t*) *buf_image, nSize, nLayer ))
{
nSize = Width * Height * 1; // for unknown reason must be each grayscale pixel 16bits long
nReturn = 1;
}
if (nReturn == 0) // some error -> erase memory
{
free(*buf_image);
}
}
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
void GfxTexture::SaveTGALayer2( const char* fname, void *buf_image, int nLayer )
{
FILE *file_TGA = fopen( fname, "wb");
if (file_TGA != NULL)
{
int nSize = Width * Height * (IsRGBA ? 4 : 1);
if (buf_image != NULL)
{
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, buf_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
// save only one layer -> result is grayscale image - size Width * Height * 1
//
if (raspitexutil_get_onelayer( (uint8_t*) buf_image, nSize, nLayer ))
{
int nNewSize = Width * Height * 1;
write_tga_grayscale( file_TGA, Width, Height, (uint8_t*) buf_image, nNewSize );
}
}
fclose( file_TGA );
}
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
void GfxTexture::SetPixels(const void* data)
{
glBindTexture(GL_TEXTURE_2D, Id);
check_gl();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, Width, Height, IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
check_gl();
glBindTexture(GL_TEXTURE_2D, 0);
check_gl();
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
bool GfxTexture::GenerateFrameBuffer( )
{
//Create a frame buffer that points to this texture
glGenFramebuffers(1,&FramebufferId);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,Id,0);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
check_gl();
return true;
}
GeomProgram::GeomProgram () :
vertex_shader ("../Common/Shaders/Geom-Vertex.glsl", GL_VERTEX_SHADER),
fragment_shader ("../Common/Shaders/Geom-Fragment.glsl", GL_FRAGMENT_SHADER)
{
program.add_shader (vertex_shader);
program.add_shader (fragment_shader);
program.fix_attrib ("attrib_position", attrib_position);
//program.fix_attrib ("attrib_normal", attrib_normal);
program.fix_attrib ("attrib_tcoords", attrib_tcoords);
program.fix_attrib ("attrib_colour", attrib_colour);
program.link ();
program.use ();
u32 tex_diffuse = program.link_uniform ("tex_diffuse");
glUniform1i (tex_diffuse, texunit_diffuse);
glVertexAttrib4f (attrib_colour, 1.0f, 1.0f, 1.0f, 1.0f);
check_gl ("glVertexAttrib4f");
program.done ();
/*world_to_clip = program.link_uniform ("world_to_clip");
world_to_eye = program.link_uniform ("world_to_eye");
model_to_world = program.link_uniform ("model_to_world");*/
model_to_clip = program.link_uniform ("model_to_clip");
}
// --------------------------------------------------------------------------------------------------------------------------------------------
//
void* GfxTexture::GetPixels( int &nSize )
{
nSize = Width*Height*4;
void *p_return_image = malloc( nSize );
if (p_return_image != NULL)
{
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, p_return_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
}
return p_return_image;
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
bool GfxProgram::Create(GfxShader* vertex_shader, GfxShader* fragment_shader, const char *lpstrLocation )
{
VertexShader = vertex_shader;
FragmentShader = fragment_shader;
m_Id = glCreateProgram();
glAttachShader(m_Id, VertexShader->GetId());
glAttachShader(m_Id, FragmentShader->GetId());
glLinkProgram(m_Id);
check_gl();
printf("Created program id %d from vs %d and fs %d\n", m_Id, VertexShader->GetId(), FragmentShader->GetId());
// Prints the information log for a program object
char log[1024];
glGetProgramInfoLog(m_Id,sizeof log,NULL,log);
printf("%d:program:\n%s\n", m_Id, log);
m_loc = 0;
if (lpstrLocation != NULL)
{
GetAttribLocation( lpstrLocation );
}
return true;
}
// --------------------------------------------------------------------------------------------------------------------------------------------
//
bool GfxTexture::GetPixels( void *ptr_image, int nSize )
{
bool bReturn =false;
if (nSize == (Width * Height * (IsRGBA ? 4 : 1)))
{
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, ptr_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
bReturn = true;
}
return bReturn;
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
bool GfxTexture::CreateGreyScale(int width, int height, const void* data)
{
Width = width;
Height = height;
glGenTextures(1, &Id);
check_gl();
glBindTexture(GL_TEXTURE_2D, Id);
check_gl();
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, Width, Height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
check_gl();
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLfloat)GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLfloat)GL_NEAREST);
check_gl();
glBindTexture(GL_TEXTURE_2D, 0);
IsRGBA = false;
return true;
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
void GfxTexture::SavePNG(const char* fname)
{
int nSize = Width * Height * (IsRGBA ? 4 : 1);
void* image = malloc( nSize );
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
unsigned error = lodepng::encode(fname, (const unsigned char*)image, Width, Height, IsRGBA ? LCT_RGBA : LCT_GREY);
if(error)
printf("error: %d\n",error);
free(image);
}
void draw_background() {
glBegin(GL_QUADS);
glColor3f(.7, 0., .9);
glVertex3f( 5.00f, 5.000f, 1.5f);
glVertex3f( width-5.0f, 5.000f, 1.5f);
glColor3f(.3, 0., .4);
glVertex3f( width-5.0f, height-5.0f, 1.5f);
glVertex3f( 5.00f, height-5.0f, 1.5f);
glEnd();
check_gl(__LINE__);
}
bool bind (uint target)
{
if (glIsBuffer (name))
{
glBindBuffer (target, name);
check_gl ("glBindBuffer");
return true;
}
else
{
return false;
}
}
GLXWindow create_canvas(void) {
XSetWindowAttributes sattr;
GLXWindow c = 0;
Window w = 0;
GLXFBConfig fbc = choose_fbconfig();
XVisualInfo* vi = glXGetVisualFromFBConfig(dpy, fbc);
check_gl(__LINE__);
fbconfig_attrs(fbc, &width, &height, &top, &bottom);
sattr.colormap = XCreateColormap(dpy, root, vi->visual, AllocNone);
ratio = ((GLfloat) width) / ((GLfloat) height);
w = XCreateWindow(dpy, overlay, 0, 0, width, height, 0, vi->depth, InputOutput, vi->visual, CWColormap, &sattr);
c = glXCreateWindow(dpy, fbc, w, NULL);
check_gl(__LINE__);
XFree(vi);
XSelectInput(dpy, w, ExposureMask);
context = glXCreateNewContext(dpy, fbc, GLX_RGBA_TYPE, NULL, direct);
check_gl(__LINE__);
glXMakeCurrent(dpy, c, context); check_gl(__LINE__);
info("Canvas is %d x %d (ratio: %g)\n", width, height, ratio);
return c;
}
void
Axis2D::render(const glm::mat4& mvp)
{
axis_shader->bind();
// Render x axis
axis_shader->setModelViewProjection(mvp);
axis_shader->setColour(glm::vec4(1.0, 0.0, 0.0, 1.0));
axis_shader->setOffset(glm::vec2(0.0, -40.0));
axis_shader->enableCoords();
axis_shader->setCoords(xaxis_vertices, 0, 2, 0);
// Push each element to the vertex shader
axis_elements.bind();
glDrawElements(GL_TRIANGLES, axis_elements.size()/sizeof(GLushort), GL_UNSIGNED_SHORT, 0);
check_gl("Axis X draw elements");
axis_shader->disableCoords();
// Render y axis
axis_shader->bind();
axis_shader->setModelViewProjection(mvp);
axis_shader->setColour(glm::vec4(0.0, 1.0, 0.0, 1.0));
axis_shader->setOffset(glm::vec2(-40.0, 0.0));
axis_shader->enableCoords();
axis_shader->setCoords(yaxis_vertices, 0, 2, 0);
// Push each element to the vertex shader
axis_elements.bind();
glDrawElements(GL_TRIANGLES, axis_elements.size()/sizeof(GLushort), GL_UNSIGNED_SHORT, 0);
check_gl("Axis Y draw elements");
axis_shader->disableCoords();
axis_shader->release();
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
int GfxTexture::GetImageLayer2( int &nSize, void *buf_image, int nLayer ) // memory not allocated here - just use it
{
int nReturn = 0;
if (buf_image != NULL)
{
nSize = Width * Height * (IsRGBA ? 4 : 1);
glBindFramebuffer(GL_FRAMEBUFFER,FramebufferId);
check_gl();
glReadPixels(0,0,Width,Height,IsRGBA ? GL_RGBA : GL_LUMINANCE, GL_UNSIGNED_BYTE, buf_image);
check_gl();
glBindFramebuffer(GL_FRAMEBUFFER,0);
// save only one layer -> result is grayscale image - size Width * Height * 1
//
if (raspitexutil_get_onelayer( (uint8_t*) buf_image, nSize, nLayer ))
{
nSize = Width * Height * 1; // for unknown reason must be each grayscale pixel 16bits long
nReturn = 1;
}
}
}
// ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//
bool GfxShader::LoadFragmentShader( const char *lpstrDir, const char* lpstrFilename )
{
char lpstrFilePath[1024];
sprintf( lpstrFilePath, "%s/%s", lpstrDir, lpstrFilename );
fprintf(stderr, "Try to open FragmentShader '%s'\n", lpstrFilePath );
//cheeky bit of code to read the whole file into memory
assert(!Src);
FILE* f = fopen(lpstrFilePath, "rb");
assert(f);
fseek(f,0,SEEK_END);
int sz = ftell(f);
fseek(f,0,SEEK_SET);
Src = new GLchar[sz+1];
fread(Src,1,sz,f);
Src[sz] = 0; //null terminate it!
fclose(f);
//now create and compile the shader
GlShaderType = GL_FRAGMENT_SHADER;
Id = glCreateShader(GlShaderType);
glShaderSource(Id, 1, (const GLchar**)&Src, 0);
glCompileShader(Id);
check_gl();
//compilation check_gl
GLint compiled;
glGetShaderiv(Id, GL_COMPILE_STATUS, &compiled);
if(compiled==0)
{
printf("Failed to compile fragment shader %s:\n%s\n", lpstrFilePath, Src);
printShaderInfoLog(Id);
glDeleteShader(Id);
return false;
}
else
{
//printf("Compiled fragment shader %s:\n%s\n", lpstrFilePath, Src);
printf("Compiled fragment shader %s:\n", lpstrFilePath );
}
return true;
}
static void Draw(gl_context_t* context) {
// Clear the color buffer
// Set background color and clear buffers
glClearColor(1, 1, 1, 1);
glClear(GL_COLOR_BUFFER_BIT);
check_gl();
image_t* img = bundle_image_named("beer-label-ruination-ipa.jpg");
DrawBeerLabel(context, img);
image_free(img);
// TODO:DOUG Add blur
DrawToolbarBackground(context);
DrawGear(context);
DrawSelectedTap(context);
DrawRightLabel(context, "54\xc2\xb0" "F");
gl_context_swap_buffers(context);
}
GLXFBConfig choose_fbconfig() {
int i, nfbc;
GLXFBConfig* fbc = glXChooseFBConfig(dpy, screen, fbconfig_attr, &nfbc);
check_gl(__LINE__);
if (fbc == NULL)
die(1, "No valid FBConfigs.\n");
for (i=0; i<nfbc; i++) {
int v;
continue;
//if (!vi || vi->visualid != vid) continue;
debug("FBConfig #%d:\n", i);
glXGetFBConfigAttrib(dpy, fbc[i], GLX_DRAWABLE_TYPE, &v);
debug("GLX_DRAWABLE_TYPE: ");
if (v & GLX_WINDOW_BIT) log("WINDOW ");
if (v & GLX_PIXMAP_BIT) log("PIXMAP ");
if (v & GLX_PBUFFER_BIT) log("PBUFFER ");
log("\n");
glXGetFBConfigAttrib(dpy, fbc[i], GLX_BIND_TO_TEXTURE_TARGETS_EXT, &v);
debug("GLX_BIND_TO_TEXTURE_TARGETS_EXT: ");
if (v & GLX_TEXTURE_1D_BIT_EXT) log("1D ");
if (v & GLX_TEXTURE_2D_BIT_EXT) log("2D ");
if (v & GLX_TEXTURE_RECTANGLE_BIT_EXT) log("RECTANGLE ");
log("\n");
glXGetFBConfigAttrib(dpy, fbc[i], GLX_BIND_TO_TEXTURE_RGBA_EXT, &v);
debug("GLX_BIND_TO_TEXTURE_RGBA_EXT: ");
if (v) log("yes ");
else log("no ");
log("\n");
glXGetFBConfigAttrib(dpy, fbc[i], GLX_BIND_TO_TEXTURE_RGB_EXT, &v);
debug("GLX_BIND_TO_TEXTURE_RGB_EXT: ");
if (v) log("yes ");
else log("no ");
log("\n");
}
i = 0;
if (i == nfbc)
die(2, "No FBCofig found!\n");
return fbc[i];
}
// For debugging
static void DrawRedBoxAroundRect(gl_context_t* context, rect2d_t rect)
{
float const l = rect_left(rect);
float const r = rect_right(rect);
float const t = rect_top(rect);
float const b = rect_bottom(rect);
// Draw a yellow 1 pixel box around the entire thing.
GLfloat boxLines[] = {
l, b, 0,
l, t, 0,
r, t, 0,
r, b, 0
};
// Use the program object
glUseProgram(context->mainProgram);
glVertexAttribPointer(context->a_position, 3, GL_FLOAT, GL_FALSE, 0, boxLines);
glEnableVertexAttribArray(context->a_position);
glUniform4f(context->u_fragColor, 1,0,0,1);
glDrawArrays(GL_LINE_LOOP, 0, 4);
check_gl();
}
int
main (int argc, char **argv)
{
GError *error = NULL;
static char **override_autostart_dirs = NULL;
static char *opt_session_name = NULL;
const char *debug_string = NULL;
gboolean gl_failed = FALSE;
guint name_owner_id;
GOptionContext *options;
static GOptionEntry entries[] = {
{ "autostart", 'a', 0, G_OPTION_ARG_STRING_ARRAY, &override_autostart_dirs, N_("Override standard autostart directories"), N_("AUTOSTART_DIR") },
{ "session", 0, 0, G_OPTION_ARG_STRING, &opt_session_name, N_("Session to use"), N_("SESSION_NAME") },
{ "debug", 0, 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging code"), NULL },
{ "failsafe", 'f', 0, G_OPTION_ARG_NONE, &failsafe, N_("Do not load user-specified applications"), NULL },
{ "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL },
/* Translators: the 'fail whale' is the black dialog we show when something goes seriously wrong */
{ "whale", 0, 0, G_OPTION_ARG_NONE, &please_fail, N_("Show the fail whale dialog for testing"), NULL },
{ "disable-acceleration-check", 0, 0, G_OPTION_ARG_NONE, &disable_acceleration_check, N_("Disable hardware acceleration check"), NULL },
{ NULL, 0, 0, 0, NULL, NULL, NULL }
};
/* Make sure that we have a session bus */
if (!require_dbus_session (argc, argv, &error)) {
gsm_util_init_error (TRUE, "%s", error->message);
}
/* From 3.14 GDM sets XDG_CURRENT_DESKTOP. For compatibility with
* older versions of GDM, other display managers, and startx,
* set a fallback value if we don't find it set.
*/
if (g_getenv ("XDG_CURRENT_DESKTOP") == NULL) {
g_setenv("XDG_CURRENT_DESKTOP", "GNOME", TRUE);
gsm_util_setenv ("XDG_CURRENT_DESKTOP", "GNOME");
}
/* Make sure we initialize gio in a way that does not autostart any daemon */
initialize_gio ();
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, LOCALE_DIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
debug_string = g_getenv ("GNOME_SESSION_DEBUG");
if (debug_string != NULL) {
debug = rpmatch (debug_string) == TRUE || atoi (debug_string) == 1;
}
error = NULL;
options = g_option_context_new (_(" - the GNOME session manager"));
g_option_context_add_main_entries (options, entries, GETTEXT_PACKAGE);
g_option_context_parse (options, &argc, &argv, &error);
if (error != NULL) {
g_warning ("%s", error->message);
exit (1);
}
g_option_context_free (options);
/* Rebind stdout/stderr to the journal explicitly, so that
* journald picks ups the nicer "gnome-session" as the program
* name instead of whatever shell script GDM happened to use.
*/
#ifdef HAVE_SYSTEMD
if (!debug) {
int journalfd;
journalfd = sd_journal_stream_fd (PACKAGE, LOG_INFO, 0);
if (journalfd >= 0) {
dup2(journalfd, 1);
dup2(journalfd, 2);
}
}
#endif
gdm_log_init ();
gdm_log_set_debug (debug);
if (disable_acceleration_check) {
g_debug ("hardware acceleration check is disabled");
} else {
/* Check GL, if it doesn't work out then force software fallback */
if (!check_gl (&error)) {
gl_failed = TRUE;
g_debug ("hardware acceleration check failed: %s",
error? error->message : "");
g_clear_error (&error);
if (g_getenv ("LIBGL_ALWAYS_SOFTWARE") == NULL) {
g_setenv ("LIBGL_ALWAYS_SOFTWARE", "1", TRUE);
if (!check_gl (&error)) {
g_warning ("software acceleration check failed: %s",
error? error->message : "");
g_clear_error (&error);
} else {
gl_failed = FALSE;
}
}
}
}
if (show_version) {
g_print ("%s %s\n", argv [0], VERSION);
exit (0);
}
if (gl_failed) {
gsm_fail_whale_dialog_we_failed (FALSE, TRUE, NULL);
gsm_main ();
exit (1);
}
if (please_fail) {
gsm_fail_whale_dialog_we_failed (TRUE, TRUE, NULL);
gsm_main ();
exit (1);
}
{
gchar *ibus_path;
ibus_path = g_find_program_in_path("ibus-daemon");
if (ibus_path) {
const gchar *p;
p = g_getenv ("QT_IM_MODULE");
if (!p || !*p)
p = "ibus";
gsm_util_setenv ("QT_IM_MODULE", p);
p = g_getenv ("XMODIFIERS");
if (!p || !*p)
p = "@im=ibus";
gsm_util_setenv ("XMODIFIERS", p);
}
g_free (ibus_path);
}
/* Some third-party programs rely on GNOME_DESKTOP_SESSION_ID to
* detect if GNOME is running. We keep this for compatibility reasons.
*/
gsm_util_setenv ("GNOME_DESKTOP_SESSION_ID", "this-is-deprecated");
/* We want to use the GNOME menus which has the designed categories.
*/
gsm_util_setenv ("XDG_MENU_PREFIX", "gnome-");
/* hack to fix keyring until we can reorder things in 3.20
* https://bugzilla.gnome.org/show_bug.cgi?id=738205
*/
if (g_strcmp0 (g_getenv ("XDG_SESSION_TYPE"), "wayland") == 0 &&
g_getenv ("GSM_SKIP_SSH_AGENT_WORKAROUND") == NULL) {
char *ssh_socket;
ssh_socket = g_build_filename (g_get_user_runtime_dir (), "keyring", "ssh", NULL);
gsm_util_setenv ("SSH_AUTH_SOCK", ssh_socket);
g_free (ssh_socket);
}
gsm_util_set_autostart_dirs (override_autostart_dirs);
session_name = opt_session_name;
/* Talk to logind before acquiring a name, since it does synchronous
* calls at initialization time that invoke a main loop and if we
* already owned a name, then we would service too early during
* that main loop.
*/
g_object_unref (gsm_get_system ());
name_owner_id = acquire_name ();
gsm_main ();
g_clear_object (&manager);
g_free (gl_renderer);
g_bus_unown_name (name_owner_id);
gdm_log_shutdown ();
return 0;
}
static void init_cl(void)
{
cl_int status;
cl_platform_id platform_id;
cl_context context;
cl_program program;
char *kernel_src = malloc(10240);
check_nn(kernel_src, "kernel_src");
status = clGetPlatformIDs(1, &platform_id, &num_platforms);
SOFT_CHECK_CL(status, "get platform ids");
fprintf(stderr, "#platforms: %u\n", num_platforms);
if (num_platforms == 0)
return;
static char info[4][128];
status = clGetPlatformInfo(platform_id, CL_PLATFORM_PROFILE, 128, info[0], NULL);
SOFT_CHECK_CL(status, "get platform profile");
status = clGetPlatformInfo(platform_id, CL_PLATFORM_VERSION, 128, info[1], NULL);
SOFT_CHECK_CL(status, "get platform version");
status = clGetPlatformInfo(platform_id, CL_PLATFORM_NAME, 128, info[2], NULL);
SOFT_CHECK_CL(status, "get platform name");
status = clGetPlatformInfo(platform_id, CL_PLATFORM_VENDOR, 128, info[3], NULL);
SOFT_CHECK_CL(status, "get platform vendor");
fprintf(stderr, "profile: %s\n", info[0]);
fprintf(stderr, "version: %s\n", info[1]);
fprintf(stderr, "name: %s\n", info[2]);
fprintf(stderr, "vendor: %s\n", info[3]);
cl_context_properties *props = getContextProperties(platform_id);
context = clCreateContextFromType(props, CL_DEVICE_TYPE_GPU, NULL, NULL, &status);
SOFT_CHECK_CL(status, "create context");
// create a command queue
cl_device_id device_id;
status = clGetDeviceIDs(platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, NULL);
SOFT_CHECK_CL(status, "get device ids");
queue = clCreateCommandQueue(context, device_id, 0, &status);
SOFT_CHECK_CL(status, "create command queue");
// allocate memory objects
mainOctCL = clCreateBuffer(context, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR, octTreeLength*sizeof(OctTreeNode), mainOctTree, &status);
SOFT_CHECK_CL(status, "create buffer");
glGenTextures(1, &texture);
check_gl();
glBindTexture(GL_TEXTURE_2D, texture);
check_gl();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
check_gl();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
check_gl();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_FLOAT, NULL);
check_gl();
glFinish();
check_gl();
image = clCreateFromGLTexture(context, CL_MEM_WRITE_ONLY, GL_TEXTURE_2D, 0, texture, &status);
SOFT_CHECK_CL(status, "create image");
// create the compute program
FILE *kernel_handle = fopen("ray.cl", "rb");
check_nn(kernel_handle, "fopen ray.cl");
size_t n_bytes = fread(kernel_src, 1, 10239, kernel_handle);
kernel_src[n_bytes] = '\0';
check_ferror(kernel_handle, "fread");
program = clCreateProgramWithSource(context, 1, (const char **)&kernel_src, NULL, &status);
SOFT_CHECK_CL(status, "create program");
// build the compute program executable
status = clBuildProgram(program, 0, NULL, NULL, NULL, NULL);
if (status != CL_BUILD_PROGRAM_FAILURE && status != CL_SUCCESS) {
SOFT_CHECK_CL(status, "build program");
} else {
size_t log_size;
status = clGetProgramBuildInfo(program, device_id, CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size);
SOFT_CHECK_CL(status, "get program build log size");
char *log = malloc(log_size);
check_nn(log, "log");
status = clGetProgramBuildInfo(program, device_id, CL_PROGRAM_BUILD_LOG, log_size, log, NULL);
SOFT_CHECK_CL(status, "get program build log");
fprintf(stderr, "build kernel log:\n%s\n", log);
}
// create the compute kernel
kernel = clCreateKernel(program, "ray_cl", &status);
SOFT_CHECK_CL(status, "create kernel");
status = clReleaseProgram(program);
SOFT_CHECK_CL(status, "release program");
status = clReleaseContext(context);
SOFT_CHECK_CL(status, "release context");
fprintf(stderr, "OpenCL initialization successful\n");
render_method = TracerCL;
}
void
GLImageShader2D::setTexture(int texunit)
{
glUniform1i(uniform_texture, texunit);
check_gl("Set image texture");
}
void
GLImageShader2D::setMin(const glm::vec3& min)
{
glUniform3fv(uniform_min, 1, glm::value_ptr(min));
check_gl("Set min range");
}
void
GLImageShader2D::setMax(const glm::vec3& max)
{
glUniform3fv(uniform_max, 1, glm::value_ptr(max));
check_gl("Set max range");
}
void
GLImageShader2D::setCorrection(const glm::vec3& corr)
{
glUniform3fv(uniform_corr, 1, glm::value_ptr(corr));
check_gl("Set correction multiplier");
}
void
GLImageShader2D::setLUT(int texunit)
{
glUniform1i(uniform_lut, texunit);
check_gl("Set LUT texture");
}
void
GLImageShader2D::setModelViewProjection(const glm::mat4& mvp)
{
glUniformMatrix4fv(uniform_mvp, 1, GL_FALSE, glm::value_ptr(mvp));
check_gl("Set image2d uniform mvp");
}