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#define WAFFLE_API_EXPERIMENTAL
#define WAFFLE_API_VERSION 0x0103
#include "os.hpp"
#include "waffle.h"
#include "glws.hpp"
namespace glws {
struct waffle_display *dpy;
class WaffleVisual : public Visual
{
public:
struct waffle_config *config;
WaffleVisual(Profile prof, waffle_config *cfg) :
Visual(prof),
config (cfg)
{}
~WaffleVisual() {
if (this->config != NULL) {
waffle_config_destroy(this->config);
this->config = NULL;
}
}
};
class WaffleDrawable : public Drawable
{
public:
struct waffle_window *window;
WaffleDrawable(const Visual *vis, int w, int h, bool pbuffer,
struct waffle_window *win) :
Drawable (vis, w, h, pbuffer),
window (win)
{}
void
resize(int w, int h) {
if (w == width && h == height) {
return;
}
waffle_window_resize(window, w, h);
Drawable::resize(w, h);
}
void
show(void) {
if (visible) {
return;
}
waffle_window_show(window);
Drawable::show();
}
void
swapBuffers(void) {
waffle_window_swap_buffers(window);
}
};
class WaffleContext : public Context
{
public:
struct waffle_context *context;
WaffleContext(const Visual *vis, struct waffle_context *ctx) :
Context(vis),
context(ctx)
{}
~WaffleContext() {
if( context != NULL ) {
waffle_context_destroy(context);
context = NULL;
}
}
};
/*
With waffle there is not too many events to look for..
*/
bool
processEvents(void) {
return true;
}
void
init(void) {
int i;
int waffle_init_attrib_list[3];
i = 0;
waffle_init_attrib_list[i++] = WAFFLE_PLATFORM;
waffle_init_attrib_list[i++] =
#if defined(__ANDROID__)
WAFFLE_PLATFORM_ANDROID
#elif defined(__APPLE__)
WAFFLE_PLATFORM_CGL
#elif defined(HAVE_X11)
# if 1
WAFFLE_PLATFORM_GLX
# else
WAFFLE_PLATFORM_X11_EGL
# endif
#else
# warning Unsupported platform
WAFFLE_NONE
#endif
;
waffle_init_attrib_list[i++] = WAFFLE_NONE;
waffle_init(waffle_init_attrib_list);
dpy = waffle_display_connect(NULL);
if (!dpy) {
os::log("%s: waffle_display_connect(NULL) == NULL\n", __FILE__);
os::abort();
}
}
void
cleanup(void) {
waffle_display_disconnect(dpy);
}
Visual *
createVisual(bool doubleBuffer, Profile profile) {
struct waffle_config *cfg;
int config_attrib_list[64], i(0), waffle_profile;
switch (profile) {
case PROFILE_ES1:
waffle_profile = WAFFLE_CONTEXT_OPENGL_ES1;
break;
case PROFILE_ES2:
waffle_profile = WAFFLE_CONTEXT_OPENGL_ES2;
break;
default:
os::log("%s: Unsupported context profile\n", __FILE__);
os::abort();
return NULL;
}
if(!waffle_display_supports_context_api(dpy, waffle_profile)) {
os::log("%s: !waffle_display_supports_context_api\n",
__FILE__);
os::abort();
return NULL;
}
config_attrib_list[i++] = WAFFLE_CONTEXT_API;
config_attrib_list[i++] = waffle_profile;
config_attrib_list[i++] = WAFFLE_RED_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_GREEN_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_BLUE_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_DEPTH_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_ALPHA_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_STENCIL_SIZE;
config_attrib_list[i++] = 8;
config_attrib_list[i++] = WAFFLE_DOUBLE_BUFFERED;
config_attrib_list[i++] = doubleBuffer;
config_attrib_list[i++] = 0;
cfg = waffle_config_choose(dpy, config_attrib_list);
if (!cfg)
{
os::log("Error in %s waffle_config_choose(dpy, " \
"config_attrib_list)\n", __FILE__);
os::abort();
return NULL;
}
return new WaffleVisual(profile, cfg);
}
Drawable *
createDrawable(const Visual *visual, int width, int height, bool pbuffer)
{
struct waffle_window *window;
const WaffleVisual *waffleVisual =
static_cast<const WaffleVisual *>(visual);
window = waffle_window_create(waffleVisual->config, width, height);
return new WaffleDrawable(visual, width, height, pbuffer, window);
}
Context *
createContext(const Visual *visual, Context *shareContext,
bool debug)
{
struct waffle_context *context;
const WaffleVisual *waffleVisual =
static_cast<const WaffleVisual *>(visual);
if (shareContext != NULL) {
os::log("Error in %s createContext, shareContext != NULL\n", __FILE__);
os::abort();
return NULL;
}
context = waffle_context_create(waffleVisual->config, NULL);
if (!context) {
os::log("Error in %s waffle_context_create(config, NULL)\n",
__FILE__);
os::abort();
return NULL;
}
return new WaffleContext(visual, context);
}
bool
makeCurrent(Drawable *drawable, Context *context)
{
if (!drawable || !context) {
return waffle_make_current(dpy, NULL, NULL);
} else {
WaffleDrawable *waffleDrawable =
static_cast<WaffleDrawable *>(drawable);
WaffleContext *waffleContext =
static_cast<WaffleContext *>(context);
return waffle_make_current(dpy, waffleDrawable->window,
waffleContext->context);
}
}
} /* namespace glws */
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