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/**************************************************************************
*
* Copyright 2011 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#include <string.h>
#include "glproc.hpp"
#include "retrace.hpp"
#include "glretrace.hpp"
using namespace glretrace;
typedef std::map<unsigned long long, glws::Drawable *> DrawableMap;
typedef std::map<unsigned long long, glws::Context *> ContextMap;
static DrawableMap drawable_map;
static ContextMap context_map;
static glws::Context *sharedContext = NULL;
static glws::Drawable *
getDrawable(unsigned long drawable_id) {
if (drawable_id == 0) {
return NULL;
}
/* XXX: Support multiple drawables. */
drawable_id = 1;
DrawableMap::const_iterator it;
it = drawable_map.find(drawable_id);
if (it == drawable_map.end()) {
return (drawable_map[drawable_id] = ws->createDrawable(visual));
}
return it->second;
}
static glws::Context *
getContext(unsigned long long ctx) {
if (ctx == 0) {
return NULL;
}
ContextMap::const_iterator it;
it = context_map.find(ctx);
if (it == context_map.end()) {
glws::Context *context;
context_map[ctx] = context = ws->createContext(visual, sharedContext);
if (!sharedContext) {
sharedContext = context;
}
return context;
}
return it->second;
}
static void retrace_CGLSetCurrentContext(Trace::Call &call) {
unsigned long long ctx = call.arg(0).toUIntPtr();
glws::Drawable *new_drawable = getDrawable(ctx);
glws::Context *new_context = getContext(ctx);
bool result = ws->makeCurrent(new_drawable, new_context);
if (new_drawable && new_context && result) {
drawable = new_drawable;
context = new_context;
} else {
drawable = NULL;
context = NULL;
}
}
static void retrace_CGLFlushDrawable(Trace::Call &call) {
if (drawable && context) {
if (double_buffer) {
drawable->swapBuffers();
} else {
glFlush();
}
frame_complete(call.no);
}
}
void glretrace::retrace_call_cgl(Trace::Call &call) {
const char *name = call.name();
if (strcmp(name, "CGLSetCurrentContext") == 0) {
retrace_CGLSetCurrentContext(call);
return;
}
if (strcmp(name, "CGLFlushDrawable") == 0) {
retrace_CGLFlushDrawable(call);
return;
}
return;
}
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