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// Copyright (C) Intel Corp. 2017. 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 (including the
// next paragraph) 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
// **********************************************************************/
// * Authors:
// * Mark Janes <mark.a.janes@intel.com>
// **********************************************************************/
#include "glframe_batch.hpp"
#include <dlfcn.h>
#include <stddef.h>
#include <stdlib.h>
#include <sstream>
using glretrace::MesaBatch;
// This class is a proof-of-concept. If it sticks, the path
// resolution needs to be improved.
MesaBatch::MesaBatch() : m_debug(NULL) {
// TODO(majanes) handle missing path
// TODO(majanes) handle colon-separated path
const char* driver_path = getenv("LIBGL_DRIVERS_PATH");
if (!driver_path)
return;
std::stringstream p;
p << driver_path << "/" << "i965_dri.so";
void *lib = dlopen(p.str().c_str(),
RTLD_NOW);
if (!lib)
return;
m_debug = reinterpret_cast<uint64_t*>(dlsym(lib, "INTEL_DEBUG"));
}
bool
MesaBatch::batchSupported() const {
return (m_debug != NULL);
}
#define DEBUG_BATCH (1ull << 6)
void
MesaBatch::batchOn() {
(*m_debug) |= DEBUG_BATCH;
}
void
MesaBatch::batchOff() {
(*m_debug) &= ~DEBUG_BATCH;
}
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