1017 lines
29 KiB
C++
1017 lines
29 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2011, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#include <vector>
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#include <gale/debug.h>
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#include <gale/renderer/openGL/openGL.h>
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#include <etk/stdTools.h>
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#include <mutex>
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//#define DIRECT_MODE
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#include <gale/renderer/openGL/openGL-include.h>
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#include <ethread/tools.h>
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#define CHECK_ERROR_OPENGL
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static void checkGlError(const char* _op, int32_t _localLine) {
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#ifdef CHECK_ERROR_OPENGL
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bool hasError = false;
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for (GLint error = glGetError(); error; error = glGetError()) {
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GALE_ERROR("after " << _op << "():" << _localLine << " glError(" << error << ")");
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hasError = true;
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}
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if (hasError == true) {
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GALE_CRITICAL("plop");
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}
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#endif
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}
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#define OPENGL_ERROR(data) do { } while (false)
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//#define OPENGL_ERROR(data) GALE_ERROR(data)
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#define OPENGL_WARNING(data) do { } while (false)
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//#define OPENGL_WARNING(data) GALE_WARNING(data)
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#define OPENGL_INFO(data) do { } while (false)
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//#define OPENGL_INFO(data) GALE_INFO(data)
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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bool s_simulationMode = false;
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/**
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* @brief Start the simulation mode of Open GL (can be usebull when no HW is availlable for testing System like buildfarm (eg: travis-ci)
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* This generate a non access on the openGL IO, and all function work corectly.
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*/
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void gale::openGL::startSimulationMode() {
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s_simulationMode = true;
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}
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#endif
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/**
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* @brief get the draw mutex (gale render).
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* @note due ti the fact that the system can be called for multiple instance, for naw we just limit the acces to one process at a time.
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* @return the main inteface Mutex
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*/
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static std::mutex& mutexOpenGl() {
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static std::mutex s_drawMutex;
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return s_drawMutex;
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}
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std::vector<mat4> l_matrixList;
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mat4 l_matrixCamera;
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static uint32_t l_flagsCurrent = 0;
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static uint32_t l_flagsMustBeSet = 0;
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static uint32_t l_textureflags = 0;
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static int32_t l_programId = 0;
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void gale::openGL::lock() {
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mutexOpenGl().lock();
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l_matrixList.clear();
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mat4 tmpMat;
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l_matrixList.push_back(tmpMat);
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l_matrixCamera.identity();
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l_flagsCurrent = 0;
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l_flagsMustBeSet = 0;
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l_textureflags = 0;
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l_programId = -1;
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}
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void gale::openGL::unLock() {
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mutexOpenGl().unlock();
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}
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static std::vector<std::thread::id>& getContextList() {
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static std::vector<std::thread::id> g_val;
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return g_val;
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}
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bool gale::openGL::hasContext() {
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bool ret = false;
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mutexOpenGl().lock();
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auto it = std::find(getContextList().begin(), getContextList().end(), std::this_thread::get_id());
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if (it != getContextList().end()) {
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ret = true;
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}
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mutexOpenGl().unlock();
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return ret;
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}
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void gale::openGL::threadHasContext() {
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mutexOpenGl().lock();
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auto it = std::find(getContextList().begin(), getContextList().end(), std::this_thread::get_id());
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if (it != getContextList().end()) {
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GALE_ERROR("set openGL context associate with threadID a second time ... ");
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} else {
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getContextList().push_back(std::this_thread::get_id());
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}
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mutexOpenGl().unlock();
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}
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void gale::openGL::threadHasNoMoreContext() {
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mutexOpenGl().lock();
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auto it = std::find(getContextList().begin(), getContextList().end(), std::this_thread::get_id());
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if (it != getContextList().end()) {
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getContextList().erase(it);
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} else {
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GALE_ERROR("rm openGL context associate with threadID that is not registered.");
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}
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mutexOpenGl().unlock();
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}
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void gale::openGL::setBasicMatrix(const mat4& _newOne) {
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if (l_matrixList.size()!=1) {
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GALE_ERROR("matrix is not corect size in the stack : " << l_matrixList.size());
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}
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l_matrixList.clear();
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l_matrixList.push_back(_newOne);
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}
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void gale::openGL::setMatrix(const mat4& _newOne) {
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if (l_matrixList.size() == 0) {
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GALE_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.size());
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l_matrixList.push_back(_newOne);
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return;
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}
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l_matrixList[l_matrixList.size()-1] = _newOne;
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}
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void gale::openGL::push() {
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if (l_matrixList.size() == 0) {
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GALE_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.size());
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mat4 tmp;
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l_matrixList.push_back(tmp);
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return;
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}
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mat4 tmp = l_matrixList[l_matrixList.size()-1];
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l_matrixList.push_back(tmp);
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}
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void gale::openGL::pop() {
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if (l_matrixList.size() <= 1) {
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GALE_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.size());
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l_matrixList.clear();
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mat4 tmp;
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l_matrixList.push_back(tmp);
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l_matrixCamera.identity();
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return;
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}
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l_matrixList.pop_back();
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l_matrixCamera.identity();
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}
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const mat4& gale::openGL::getMatrix() {
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if (l_matrixList.size() == 0) {
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GALE_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.size());
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mat4 tmp;
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l_matrixList.push_back(tmp);
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}
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return l_matrixList[l_matrixList.size()-1];
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}
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const mat4& gale::openGL::getCameraMatrix() {
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return l_matrixCamera;
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}
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void gale::openGL::setCameraMatrix(const mat4& _newOne) {
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l_matrixCamera = _newOne;
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}
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void gale::openGL::finish() {
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l_programId = -1;
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l_textureflags = 0;
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}
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void gale::openGL::flush() {
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l_programId = -1;
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l_textureflags = 0;
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glFlush();
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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OPENGL_INFO("========================" );
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OPENGL_INFO("== FLUSH OPEN GL ==" );
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OPENGL_INFO("========================");
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}
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void gale::openGL::swap() {
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}
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void gale::openGL::setViewPort(const ivec2& _start, const ivec2& _stop) {
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glViewport(_start.x(), _start.y(), _stop.x(), _stop.y());
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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void gale::openGL::setViewPort(const vec2& _start, const vec2& _stop) {
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glViewport(_start.x(), _start.y(), _stop.x(), _stop.y());
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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struct correspondenceTableClear {
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enum gale::openGL::clearFlag curentFlag;
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GLbitfield OGlFlag;
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};
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static struct correspondenceTableClear basicFlagClear[] = {
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{gale::openGL::clearFlag_colorBuffer, GL_COLOR_BUFFER_BIT},
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{gale::openGL::clearFlag_depthBuffer, GL_DEPTH_BUFFER_BIT},
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{gale::openGL::clearFlag_stencilBuffer, GL_STENCIL_BUFFER_BIT}
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};
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static int32_t basicFlagClearCount = sizeof(basicFlagClear) / sizeof(struct correspondenceTableClear);
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void gale::openGL::clearColor(const etk::Color<float>& _color) {
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glClearColor(_color.r(), _color.g(), _color.b(), _color.a());
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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void gale::openGL::clearDepth(float _value) {
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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#if !((defined(__TARGET_OS__Android) || defined(__TARGET_OS__IOs)))
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glClearDepth(_value);
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#endif
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#if defined(__TARGET_OS__IOs)
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glClearDepthf(_value);
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#endif
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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void gale::openGL::clearStencil(int32_t _value) {
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glClearStencil(_value);
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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void gale::openGL::clear(uint32_t _flags) {
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GLbitfield field = 0;
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for (int32_t iii=0; iii<basicFlagClearCount ; iii++) {
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if ( (basicFlagClear[iii].curentFlag & _flags) != 0) {
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field |= basicFlagClear[iii].OGlFlag;
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}
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}
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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if (s_simulationMode == false) {
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#endif
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glClear(field);
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#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
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}
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#endif
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}
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std::ostream& gale::openGL::operator <<(std::ostream& _os, enum gale::openGL::flag _obj) {
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static std::vector<std::pair<enum openGL::flag, const char*>> list = {
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std::make_pair(openGL::flag_blend, "FLAG_BLEND"),
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std::make_pair(openGL::flag_clipDistanceI, "FLAG_CLIP_DISTANCE_I"),
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std::make_pair(openGL::flag_colorLogigOP, "FLAG_COLOR_LOGIC_OP"),
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std::make_pair(openGL::flag_cullFace, "FLAG_CULL_FACE"),
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std::make_pair(openGL::flag_debugOutput, "FLAG_DEBUG_OUTPUT"),
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std::make_pair(openGL::flag_debugOutputSynchronous, "flag_debugOutput_SYNCHRONOUS"),
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std::make_pair(openGL::flag_depthClamp, "FLAG_DEPTH_CLAMP"),
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std::make_pair(openGL::flag_depthTest, "FLAG_DEPTH_TEST"),
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std::make_pair(openGL::flag_dither, "FLAG_DITHER"),
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std::make_pair(openGL::flag_framebufferSRGB, "FLAG_FRAMEBUFFER_SRGB"),
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std::make_pair(openGL::flag_lineSmooth, "FLAG_LINE_SMOOTH"),
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std::make_pair(openGL::flag_multisample, "FLAG_MULTISAMPLE"),
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std::make_pair(openGL::flag_polygonOffsetFill, "FLAG_POLYGON_OFFSET_FILL"),
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std::make_pair(openGL::flag_polygonOffsetLine, "FLAG_POLYGON_OFFSET_LINE"),
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std::make_pair(openGL::flag_polygonOffsetPoint, "FLAG_POLYGON_OFFSET_POINT"),
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std::make_pair(openGL::flag_polygonSmooth, "FLAG_POLYGON_SMOOTH"),
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std::make_pair(openGL::flag_primitiveRestart, "FLAG_PRIMITIVE_RESTART"),
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std::make_pair(openGL::flag_primitiveRestartFixedIndex, "flag_primitiveRestart_FIXED_INDEX"),
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std::make_pair(openGL::flag_sampleAlphaToCoverage, "FLAG_SAMPLE_ALPHA_TO_COVERAGE"),
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std::make_pair(openGL::flag_sampleAlphaToOne, "FLAG_SAMPLE_ALPHA_TO_ONE"),
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std::make_pair(openGL::flag_sampleCoverage, "FLAG_SAMPLE_COVERAGE"),
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std::make_pair(openGL::flag_sampleShading, "FLAG_SAMPLE_SHADING"),
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std::make_pair(openGL::flag_sampleMask, "FLAG_SAMPLE_MASK"),
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std::make_pair(openGL::flag_scissorTest, "FLAG_SCISSOR_TEST"),
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std::make_pair(openGL::flag_stencilTest, "FLAG_STENCIL_TEST"),
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std::make_pair(openGL::flag_programPointSize, "FLAG_PROGRAM_POINT_SIZE"),
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std::make_pair(openGL::flag_texture2D, "FLAG_TEXTURE_2D"),
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std::make_pair(openGL::flag_alphaTest, "FLAG_ALPHA_TEST"),
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std::make_pair(openGL::flag_fog, "FLAG_FOG")
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};
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_os << "{";
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bool hasOne = false;
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for (auto &it : list) {
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if ((_obj & it.first) != 0) {
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if (hasOne==true) {
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_os << ",";
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}
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_os << it.second;
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hasOne = true;
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}
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}
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_os << "}";
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return _os;
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}
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std::vector<std::pair<enum gale::openGL::renderMode, std::string>>& getListRenderMode() {
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static std::vector<std::pair<enum gale::openGL::renderMode, std::string>> list = {
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std::make_pair(gale::openGL::renderMode::point, "POINTS"),
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std::make_pair(gale::openGL::renderMode::line, "LINES"),
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std::make_pair(gale::openGL::renderMode::lineStrip, "LINES_STRIP"),
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std::make_pair(gale::openGL::renderMode::lineLoop, "LINE_LOOP"),
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std::make_pair(gale::openGL::renderMode::triangle, "TRIANGLE"),
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std::make_pair(gale::openGL::renderMode::triangleStrip, "TRIANGLE_STRIP"),
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std::make_pair(gale::openGL::renderMode::triangleFan, "TRIANGLE_FAN"),
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std::make_pair(gale::openGL::renderMode::quad, "QUAD"),
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std::make_pair(gale::openGL::renderMode::quadStrip, "QUAD_STRIP"),
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std::make_pair(gale::openGL::renderMode::polygon, "POLYGON"),
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};
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return list;
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}
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namespace etk {
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template<> std::string to_string<gale::openGL::renderMode>(const gale::openGL::renderMode& _obj) {
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for (auto &it : getListRenderMode()) {
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if (it.first == _obj) {
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return it.second;
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}
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}
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GALE_ERROR("Can not convert : " << static_cast<int32_t>(_obj) << " return UNKNOW");
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return "UNKNOW";
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}
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template<> std::u32string to_u32string<gale::openGL::renderMode>(const gale::openGL::renderMode& _obj) {
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return etk::to_u32string(etk::to_string(_obj));
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}
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template<> bool from_string<gale::openGL::renderMode>(gale::openGL::renderMode& _variableRet, const std::string& _value) {
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for (auto &it : getListRenderMode()) {
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if (it.second == _value) {
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_variableRet = it.first;
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return true;
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}
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}
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GALE_WARNING("Can not parse : '" << _value << "' set Triangle default value");
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_variableRet = gale::openGL::renderMode::triangle;
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return false;
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}
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template<> bool from_string<gale::openGL::renderMode>(gale::openGL::renderMode& _variableRet, const std::u32string& _value) {
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return from_string(_variableRet, etk::to_string(_value));
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}
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};
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std::ostream& gale::openGL::operator <<(std::ostream& _os, enum gale::openGL::renderMode _obj) {
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_os << etk::to_string(_obj);
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return _os;
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}
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struct correspondenceTable {
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enum gale::openGL::flag curentFlag;
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GLenum OGlFlag;
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};
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static struct correspondenceTable basicFlag[] = {
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{gale::openGL::flag_blend, GL_BLEND},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_clipDistanceI, GL_CLIP_DISTANCE0},
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{gale::openGL::flag_colorLogigOP, GL_COLOR_LOGIC_OP},
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#endif
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{gale::openGL::flag_cullFace, GL_CULL_FACE},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_debugOutput, GL_DEBUG_OUTPUT},
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{gale::openGL::flag_debugOutputSynchronous, GL_DEBUG_OUTPUT_SYNCHRONOUS},
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{gale::openGL::flag_depthClamp, GL_DEPTH_CLAMP},
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#endif
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{gale::openGL::flag_depthTest, GL_DEPTH_TEST},
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{gale::openGL::flag_dither, GL_DITHER},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_framebufferSRGB, GL_FRAMEBUFFER_SRGB},
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{gale::openGL::flag_lineSmooth, GL_LINE_SMOOTH},
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{gale::openGL::flag_multisample, GL_MULTISAMPLE},
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#endif
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{gale::openGL::flag_polygonOffsetFill, GL_POLYGON_OFFSET_FILL},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_polygonOffsetLine, GL_POLYGON_OFFSET_LINE},
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{gale::openGL::flag_polygonOffsetPoint, GL_POLYGON_OFFSET_POINT},
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{gale::openGL::flag_polygonSmooth, GL_POLYGON_SMOOTH},
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{gale::openGL::flag_primitiveRestart, GL_PRIMITIVE_RESTART},
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{gale::openGL::flag_primitiveRestartFixedIndex, GL_PRIMITIVE_RESTART_FIXED_INDEX},
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#endif
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{gale::openGL::flag_sampleAlphaToCoverage, GL_SAMPLE_ALPHA_TO_COVERAGE},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_sampleAlphaToOne, GL_SAMPLE_ALPHA_TO_ONE},
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#endif
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{gale::openGL::flag_sampleCoverage, GL_SAMPLE_COVERAGE},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_sampleShading, GL_SAMPLE_SHADING},
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{gale::openGL::flag_sampleMask, GL_SAMPLE_MASK},
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#endif
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{gale::openGL::flag_scissorTest, GL_SCISSOR_TEST},
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{gale::openGL::flag_stencilTest, GL_STENCIL_TEST},
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#if 0
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!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
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{gale::openGL::flag_programPointSize, GL_PROGRAM_POINT_SIZE},
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#endif
|
|
{gale::openGL::flag_texture2D, GL_TEXTURE_2D},
|
|
#if 0
|
|
!(defined(__TARGET_OS__Android) || defined(__TARGET_OS__MacOs))
|
|
{gale::openGL::flag_alphaTest, GL_ALPHA_TEST},
|
|
{gale::openGL::flag_fog, GL_FOG}
|
|
#endif
|
|
//{(uint32_t)gale::openGL::FLAG_, GL_}
|
|
};
|
|
static int32_t basicFlagCount = sizeof(basicFlag) / sizeof(struct correspondenceTable);
|
|
|
|
void gale::openGL::reset() {
|
|
#ifdef DIRECT_MODE
|
|
GALE_TODO("...");
|
|
#else
|
|
l_flagsMustBeSet = 0;
|
|
l_programId = -1;
|
|
l_textureflags = 0;
|
|
updateAllFlags();
|
|
#endif
|
|
}
|
|
|
|
void gale::openGL::enable(enum gale::openGL::flag _flagID) {
|
|
//GALE_INFO("Enable : " <GALE_ERROR< _flagID);
|
|
#ifdef DIRECT_MODE
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
for (int32_t iii=0; iii<basicFlagCount ; iii++) {
|
|
if ( basicFlag[iii].curentFlag == (uint32_t)_flagID ) {
|
|
glEnable(basicFlag[iii].OGlFlag);
|
|
}
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
# else
|
|
//GALE_DEBUG("Enable FLAGS = " << l_flagsMustBeSet);
|
|
l_flagsMustBeSet |= (uint32_t)_flagID;
|
|
//GALE_DEBUG(" == >" << l_flagsMustBeSet);
|
|
#endif
|
|
}
|
|
|
|
void gale::openGL::disable(enum gale::openGL::flag _flagID) {
|
|
//GALE_INFO("Disable : " << _flagID);
|
|
#ifdef DIRECT_MODE
|
|
for (int32_t iii=0; iii<basicFlagCount ; iii++) {
|
|
if ( basicFlag[iii].curentFlag == (uint32_t)_flagID ) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDisable(basicFlag[iii].OGlFlag);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
# else
|
|
//GALE_DEBUG("Disable FLAGS = " << l_flagsMustBeSet);
|
|
l_flagsMustBeSet &= ~((uint32_t)_flagID);
|
|
//GALE_DEBUG(" == >" << l_flagsMustBeSet);
|
|
#endif
|
|
}
|
|
|
|
void gale::openGL::updateAllFlags() {
|
|
#ifdef DIRECT_MODE
|
|
return;
|
|
#endif
|
|
// check if fhags has change :
|
|
if (l_flagsMustBeSet == l_flagsCurrent ) {
|
|
OPENGL_INFO("OGL: current flag : " << (enum openGL::flag)l_flagsMustBeSet);
|
|
return;
|
|
}
|
|
OPENGL_INFO("OGL: set new flag : " << (enum openGL::flag)l_flagsMustBeSet);
|
|
for (int32_t iii=0; iii<basicFlagCount ; iii++) {
|
|
uint32_t CurrentFlag = basicFlag[iii].curentFlag;
|
|
if ( (l_flagsMustBeSet&CurrentFlag)!=(l_flagsCurrent&CurrentFlag) ) {
|
|
if ( (l_flagsMustBeSet&CurrentFlag) != 0) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glEnable(basicFlag[iii].OGlFlag);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
OPENGL_INFO(" enable : " << (enum openGL::flag)basicFlag[iii].curentFlag);
|
|
} else {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDisable(basicFlag[iii].OGlFlag);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
OPENGL_INFO(" disable : " << (enum openGL::flag)basicFlag[iii].curentFlag);
|
|
}
|
|
}
|
|
}
|
|
l_flagsCurrent = l_flagsMustBeSet;
|
|
}
|
|
|
|
|
|
void gale::openGL::activeTexture(uint32_t _flagID) {
|
|
if (l_programId >= 0) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glActiveTexture(_flagID);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
} else {
|
|
#if DEBUG
|
|
GALE_ERROR("try to bind texture with no program set");
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void gale::openGL::desActiveTexture(uint32_t _flagID) {
|
|
if (l_programId >= 0) {
|
|
|
|
}
|
|
}
|
|
|
|
const uint32_t convertRenderMode[] = {
|
|
GL_POINTS,
|
|
GL_LINES,
|
|
GL_LINE_STRIP,
|
|
GL_LINE_LOOP,
|
|
GL_TRIANGLES,
|
|
GL_TRIANGLE_STRIP,
|
|
GL_TRIANGLE_FAN,
|
|
#if (!defined(__TARGET_OS__IOs) && !defined(__TARGET_OS__Android))
|
|
GL_QUADS,
|
|
GL_QUAD_STRIP,
|
|
GL_POLYGON
|
|
#else
|
|
0,
|
|
0,
|
|
0
|
|
#endif
|
|
};
|
|
|
|
void gale::openGL::drawArrays(enum gale::openGL::renderMode _mode, int32_t _first, int32_t _count) {
|
|
if (l_programId >= 0) {
|
|
updateAllFlags();
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDrawArrays(convertRenderMode[uint32_t(_mode)], _first, _count);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void gale::openGL::drawElements(enum renderMode _mode, const std::vector<uint32_t>& _indices) {
|
|
if (l_programId >= 0) {
|
|
updateAllFlags();
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
//GALE_DEBUG("Request draw of " << indices.size() << "elements");
|
|
glDrawElements(convertRenderMode[uint32_t(_mode)], _indices.size(), GL_UNSIGNED_INT, &_indices[0]);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void gale::openGL::drawElements16(enum renderMode _mode, const std::vector<uint16_t>& _indices) {
|
|
if (l_programId >= 0) {
|
|
updateAllFlags();
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDrawElements(convertRenderMode[uint32_t(_mode)], _indices.size(), GL_UNSIGNED_SHORT, &_indices[0]);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void gale::openGL::drawElements8(enum renderMode _mode, const std::vector<uint8_t>& _indices) {
|
|
if (l_programId >= 0) {
|
|
updateAllFlags();
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDrawElements(convertRenderMode[uint32_t(_mode)], _indices.size(), GL_UNSIGNED_BYTE, &_indices[0]);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void gale::openGL::useProgram(int32_t _id) {
|
|
//GALE_DEBUG("USE prog : " << _id);
|
|
#if 1
|
|
// note : In normal openGL case, the system might call with the program ID and at the end with 0,
|
|
// here, we wrap this use to prevent over call of glUseProgram == > then we set -1 when the
|
|
// user no more use this program, and just stop grnerating. (chen 0 == > this is an errored program ...
|
|
if (-1 == _id) {
|
|
// not used == > because it is unneded
|
|
return;
|
|
}
|
|
if (l_programId != _id) {
|
|
l_programId = _id;
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glUseProgram(l_programId);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
#else
|
|
if (-1 == _id) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glUseProgram(0);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
} else {
|
|
l_programId = _id;
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glUseProgram(_id);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
}
|
|
#endif
|
|
#if 0
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
checkGlError("glUseProgram", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
|
|
bool gale::openGL::genBuffers(std::vector<uint32_t>& _buffers) {
|
|
if (_buffers.size() == 0) {
|
|
GALE_WARNING("try to generate vector buffer with size 0");
|
|
return true;
|
|
}
|
|
OPENGL_INFO("Create N=" << _buffers.size() << " Buffer");
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glGenBuffers(_buffers.size(), &_buffers[0]);
|
|
checkGlError("glGenBuffers", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
bool hasError = false;
|
|
for (size_t iii=0; iii<_buffers.size(); iii++) {
|
|
if (_buffers[iii] == 0) {
|
|
GALE_ERROR("[" << iii << "] error to create a buffer id=" << _buffers[iii]);
|
|
hasError = true;
|
|
}
|
|
}
|
|
return hasError;
|
|
}
|
|
|
|
bool gale::openGL::deleteBuffers(std::vector<uint32_t>& _buffers) {
|
|
if (_buffers.size() == 0) {
|
|
GALE_WARNING("try to delete vector buffer with size 0");
|
|
return true;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDeleteBuffers(_buffers.size(), &_buffers[0]);
|
|
checkGlError("glDeleteBuffers", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
for (auto &it : _buffers) {
|
|
it = 0;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool gale::openGL::bindBuffer(uint32_t _bufferId) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glBindBuffer(GL_ARRAY_BUFFER, _bufferId);
|
|
checkGlError("glBindBuffer", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
static GLenum convertUsage[] = {
|
|
GL_STREAM_DRAW,
|
|
GL_STATIC_DRAW,
|
|
GL_DYNAMIC_DRAW
|
|
};
|
|
|
|
bool gale::openGL::bufferData(size_t _size, const void* _data, enum gale::openGL::usage _usage) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glBufferData(GL_ARRAY_BUFFER, _size, _data, convertUsage[uint32_t(_usage)]);
|
|
checkGlError("glBufferData", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool gale::openGL::unbindBuffer() {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
checkGlError("glBindBuffer(0)", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
static void checkGlError(const char* _op) {
|
|
for (GLint error = glGetError(); error; error = glGetError()) {
|
|
GALE_ERROR("after " << _op << "() glError (" << error << ")");
|
|
}
|
|
}
|
|
#define LOG_OGL_INTERNAL_BUFFER_LEN (8192)
|
|
static char l_bufferDisplayError[LOG_OGL_INTERNAL_BUFFER_LEN] = "";
|
|
|
|
int64_t gale::openGL::shader::create(enum gale::openGL::shader::type _type) {
|
|
GLuint shader = 0;
|
|
if (_type == gale::openGL::shader::type::vertex) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
shader = glCreateShader(GL_VERTEX_SHADER);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
} else {
|
|
static int32_t count = 0;
|
|
shader = count++;
|
|
}
|
|
#endif
|
|
} else if (_type == gale::openGL::shader::type::fragment) {
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
shader = glCreateShader(GL_FRAGMENT_SHADER);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
} else {
|
|
static int32_t count = 0;
|
|
shader = count++;
|
|
}
|
|
#endif
|
|
} else {
|
|
GALE_ERROR("create shader with wrong type ...");
|
|
return -1;
|
|
}
|
|
if (shader == 0) {
|
|
GALE_ERROR("glCreateShader return error ...");
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
checkGlError("glCreateShader");
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return -1;
|
|
}
|
|
return int64_t(shader);
|
|
}
|
|
|
|
void gale::openGL::shader::remove(int64_t& _shader) {
|
|
if (_shader < 0) {
|
|
return;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDeleteShader(GLuint(_shader));
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
_shader = -1;
|
|
}
|
|
|
|
bool gale::openGL::shader::compile(int64_t _shader, const std::string& _data) {
|
|
const char* data = &_data[0];
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glShaderSource(GLuint(_shader), 1, (const char**)&data, nullptr);
|
|
glCompileShader(GLuint(_shader));
|
|
GLint compiled = 0;
|
|
glGetShaderiv(GLuint(_shader), GL_COMPILE_STATUS, &compiled);
|
|
if (!compiled) {
|
|
GLint infoLen = 0;
|
|
l_bufferDisplayError[0] = '\0';
|
|
glGetShaderInfoLog(GLuint(_shader), LOG_OGL_INTERNAL_BUFFER_LEN, &infoLen, l_bufferDisplayError);
|
|
GALE_ERROR("Error " << l_bufferDisplayError);
|
|
std::vector<std::string> lines = etk::split(_data, '\n');
|
|
for (size_t iii=0; iii<lines.size(); iii++) {
|
|
GALE_ERROR("file " << (iii+1) << "|" << lines[iii]);
|
|
}
|
|
return false;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
|
|
int64_t gale::openGL::program::create() {
|
|
GLuint program = 0;
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
program = glCreateProgram();
|
|
if (program == 0) {
|
|
GALE_ERROR("program creation return error ...");
|
|
checkGlError("glCreateProgram", __LINE__);
|
|
return -1;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
} else {
|
|
static uint32_t iii=0;
|
|
program = iii++;
|
|
}
|
|
#endif
|
|
GALE_DEBUG("Create program with oglID=" << program);
|
|
return int64_t(program);
|
|
}
|
|
|
|
void gale::openGL::program::remove(int64_t& _prog) {
|
|
if (_prog < 0) {
|
|
return;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glDeleteProgram(GLuint(_prog));
|
|
checkGlError("glDeleteProgram", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
_prog = -1;
|
|
}
|
|
|
|
bool gale::openGL::program::attach(int64_t _prog, int64_t _shader) {
|
|
if (_prog < 0) {
|
|
GALE_ERROR("wrong program ID");
|
|
return false;
|
|
}
|
|
if (_shader < 0) {
|
|
GALE_ERROR("wrong shader ID");
|
|
return false;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glAttachShader(GLuint(_prog), GLuint(_shader));
|
|
checkGlError("glAttachShader", __LINE__);
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
bool gale::openGL::program::compile(int64_t _prog) {
|
|
if (_prog < 0) {
|
|
GALE_ERROR("wrong program ID");
|
|
return false;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
glLinkProgram(GLuint(_prog));
|
|
checkGlError("glLinkProgram", __LINE__);
|
|
GLint linkStatus = GL_FALSE;
|
|
glGetProgramiv(GLuint(_prog), GL_LINK_STATUS, &linkStatus);
|
|
checkGlError("glGetProgramiv", __LINE__);
|
|
if (linkStatus != GL_TRUE) {
|
|
GLint bufLength = 0;
|
|
l_bufferDisplayError[0] = '\0';
|
|
glGetProgramInfoLog(GLuint(_prog), LOG_OGL_INTERNAL_BUFFER_LEN, &bufLength, l_bufferDisplayError);
|
|
char tmpLog[256];
|
|
int32_t idOut=0;
|
|
GALE_ERROR("Could not compile 'PROGRAM':");
|
|
for (size_t iii=0; iii<LOG_OGL_INTERNAL_BUFFER_LEN ; iii++) {
|
|
tmpLog[idOut] = l_bufferDisplayError[iii];
|
|
if ( tmpLog[idOut] == '\n'
|
|
|| tmpLog[idOut] == '\0'
|
|
|| idOut >= 256) {
|
|
tmpLog[idOut] = '\0';
|
|
GALE_ERROR(" == > " << tmpLog);
|
|
idOut=0;
|
|
} else {
|
|
idOut++;
|
|
}
|
|
if (l_bufferDisplayError[iii] == '\0') {
|
|
break;
|
|
}
|
|
}
|
|
if (idOut != 0) {
|
|
tmpLog[idOut] = '\0';
|
|
GALE_ERROR(" == > " << tmpLog);
|
|
}
|
|
return false;
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
int32_t gale::openGL::program::getAttributeLocation(int64_t _prog, const std::string& _name) {
|
|
if (_prog < 0) {
|
|
GALE_ERROR("wrong program ID");
|
|
return -1;
|
|
}
|
|
if (_name.size() == 0) {
|
|
GALE_ERROR("wrong name of attribure");
|
|
return -1;
|
|
}
|
|
GLint val = 0;
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
val = glGetAttribLocation(GLuint(_prog), _name.c_str());
|
|
if (val < 0) {
|
|
checkGlError("glGetAttribLocation", __LINE__);
|
|
GALE_WARNING("glGetAttribLocation(\"" << _name << "\") = " << val);
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
int32_t gale::openGL::program::getUniformLocation(int64_t _prog, const std::string& _name) {
|
|
if (_prog < 0) {
|
|
GALE_ERROR("wrong program ID");
|
|
return -1;
|
|
}
|
|
if (_name.size() == 0) {
|
|
GALE_ERROR("wrong name of uniform");
|
|
return -1;
|
|
}
|
|
GLint val = 0;
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
if (s_simulationMode == false) {
|
|
#endif
|
|
val = glGetUniformLocation(GLuint(_prog), _name.c_str());
|
|
if (val < 0) {
|
|
checkGlError("glGetUniformLocation", __LINE__);
|
|
GALE_WARNING("glGetUniformLocation(\"" << _name << "\") = " << val);
|
|
}
|
|
#ifdef GALE_SIMULATION_OPENGL_AVAILLABLE
|
|
}
|
|
#endif
|
|
return val;
|
|
}
|
|
|