void GLUtil::EnableDebugOutput(DebugOutputFrequency freq)
{
// Initialize GL_ARB_debug_output
if (GLEW_ARB_debug_output)
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
if (freq == DebugOutputFrequencyMedium)
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_FALSE);
}
else if (freq == DebugOutputFrequencyLow)
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM_ARB, 0, NULL, GL_FALSE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_FALSE);
}
glDebugMessageCallbackARB(&GLUtil::DebugOutput, NULL);
}
else
{
THROW_GL_EXCEPTION(GLException::CapabilityError, "GL_ARB_debug_output is not supported.");
}
}
bool initDebugOutput()
{
bool Validated(true);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
GLuint MessageId(4);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_FALSE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_APPLICATION_ARB, GL_DEBUG_TYPE_OTHER_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_APPLICATION_ARB, GL_DEBUG_TYPE_OTHER_ARB, GL_DONT_CARE, 1, &MessageId, GL_FALSE);
std::string Message1("Message 1");
glDebugMessageInsertARB(
GL_DEBUG_SOURCE_APPLICATION_ARB,
GL_DEBUG_TYPE_OTHER_ARB, 1,
GL_DEBUG_SEVERITY_MEDIUM_ARB,
GLsizei(Message1.size()), Message1.c_str());
std::string Message2("Message 2");
glDebugMessageInsertARB(
GL_DEBUG_SOURCE_THIRD_PARTY_ARB,
GL_DEBUG_TYPE_OTHER_ARB, 2,
GL_DEBUG_SEVERITY_MEDIUM_ARB,
GLsizei(Message2.size()), Message2.c_str());
glDebugMessageInsertARB(
GL_DEBUG_SOURCE_APPLICATION_ARB,
GL_DEBUG_TYPE_OTHER_ARB, 2,
GL_DEBUG_SEVERITY_MEDIUM_ARB,
-1, "Message 3");
glDebugMessageInsertARB(
GL_DEBUG_SOURCE_APPLICATION_ARB,
GL_DEBUG_TYPE_OTHER_ARB, MessageId,
GL_DEBUG_SEVERITY_MEDIUM_ARB,
-1, "Message 4");
return Validated;
}
bool GLUtils::EnableDebugOutput(DebugOutputFrequency freq)
{
// Initialize GL_ARB_debug_output
if (GLEW_ARB_debug_output)
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
if (freq == DebugOutputFrequencyMedium)
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_FALSE);
}
else if (freq == DebugOutputFrequencyLow)
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM_ARB, 0, NULL, GL_FALSE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, GL_FALSE);
}
glDebugMessageCallbackARB(&DebugOutput, NULL);
}
else
{
FW_LOG_ERROR("GL_ARB_debug_output is not supported");
return false;
}
return true;
}
// enables/disables user events (app and third party)
void
VSDebugLib::enableUserMessages(bool enabled) {
glDebugMessageControlARB(GL_DEBUG_SOURCE_APPLICATION_ARB, GL_DONT_CARE,
GL_DONT_CARE, 0, NULL, enabled);
glDebugMessageControlARB(GL_DEBUG_SOURCE_THIRD_PARTY_ARB, GL_DONT_CARE,
GL_DONT_CARE, 0, NULL, enabled);
}
void initialize() {
if(!isEnabled()) {
return;
}
if(!GLEW_ARB_debug_output) {
LogWarning << "OpenGL debug output disabled";
return;
}
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
// GLEW versions before 1.11.0 define GLDEBUGPROCARB with a non-const user pointer
#if defined(GLEW_VERSION_4_5)
glDebugMessageCallbackARB(gldebug::callback, NULL);
#else
glDebugMessageCallbackARB((GLDEBUGPROCARB)gldebug::callback, NULL);
#endif
// Forward messages with high severity level
glDebugMessageControlARB(GL_DONT_CARE,
GL_DONT_CARE,
GL_DEBUG_SEVERITY_HIGH_ARB,
0,
NULL,
GL_TRUE);
// Forward messages with medium severity level
glDebugMessageControlARB(GL_DONT_CARE,
GL_DONT_CARE,
GL_DEBUG_SEVERITY_MEDIUM_ARB,
0,
NULL,
GL_TRUE);
// Forward messages from the application
glDebugMessageControlARB(GL_DEBUG_SOURCE_APPLICATION_ARB,
GL_DONT_CARE,
GL_DONT_CARE,
0,
NULL,
GL_TRUE);
std::string strInitialized("OpenGL debug output enabled");
glDebugMessageInsertARB(GL_DEBUG_SOURCE_APPLICATION_ARB,
GL_DEBUG_TYPE_OTHER_ARB,
1,
GL_DEBUG_SEVERITY_LOW_ARB,
GLsizei(strInitialized.size()), strInitialized.c_str());
}
// Enables/disables low severity events
void
VSDebugLib::enableLowSeverityMessages(bool enabled) {
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE,
GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, enabled);
}
bool initDebugOutput()
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
return true;
}
void GlfwApp::onCreate() {
windowAspect = glm::aspect(windowSize);
windowAspectInverse = 1.0f / windowAspect;
glfwSetWindowUserPointer(window, this);
glfwSetKeyCallback(window, glfwKeyCallback);
glfwSetMouseButtonCallback(window, glfwMouseButtonCallback);
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
// Initialize the OpenGL bindings
// For some reason we have to set this experminetal flag to properly
// init GLEW if we use a core context.
glewExperimental = GL_TRUE;
if (0 != glewInit()) {
FAIL("Failed to initialize GL3W");
}
glGetError();
#ifdef RIFT_DEBUG
GL_CHECK_ERROR;
glEnable (GL_DEBUG_OUTPUT_SYNCHRONOUS);
GL_CHECK_ERROR;
GLuint unusedIds = 0;
if (glDebugMessageCallback) {
glDebugMessageCallback(debugCallback, this);
GL_CHECK_ERROR;
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE,
0, &unusedIds, true);
GL_CHECK_ERROR;
} else if (glDebugMessageCallbackARB) {
glDebugMessageCallbackARB(debugCallback, this);
GL_CHECK_ERROR;
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE,
0, &unusedIds, true);
GL_CHECK_ERROR;
}
#endif
GL_CHECK_ERROR;
/*
if (glNamedStringARB) {
for (int i = 0;
Resources::LIB_SHADERS[i] != Resource::NO_SHADER; ++i) {
std::string shaderFile = getShaderPath(
Resources::LIB_SHADERS[i]);
std::string shaderSrc = Files::read(shaderFile);
size_t lastSlash = shaderFile.rfind('/');
std::string name = shaderFile.substr(lastSlash);
glNamedStringARB(GL_SHADER_INCLUDE_ARB,
name.length(), name.c_str(),
shaderSrc.length(), shaderSrc.c_str());
GL_CHECK_ERROR;
}
}
*/
compileAllShaders(Resources::VERTEX_SHADERS, GL_VERTEX_SHADER);
compileAllShaders(Resources::FRAGMENT_SHADERS, GL_FRAGMENT_SHADER);
}
//=================================================================================================
void eve::ogl::init_debug_stream(void)
{
#if defined(GL_ARB_debug_output)
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, GL_TRUE);
glDebugMessageCallbackARB(&eve::mess::Server::ogl_debug_output, 0);
EVE_OGL_CHECK_ERROR;
#endif
}
bool initDebugOutput()
{
bool Validated(true);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&amd::debugOutput, NULL);
return Validated;
}
bool initDebugOutput()
{
# ifdef GL_ARB_debug_output
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
# endif
return true;
}
bool initDebugOutput()
{
bool Validated(true);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM_ARB, 0, NULL, GL_FALSE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
return Validated;
}
bool initDebugOutput()
{
bool Validated(true);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
glf::logImplementationDependentLimit(GL_MAX_SUBROUTINES, "GL_MAX_SUBROUTINES");
return Validated;
}
static void test_api_error(unsigned flags)
{
GLboolean skip_setup = !!(flags & SKIP_SETUP);
GLboolean debug_enable = !!(flags & DEBUG_ENABLE);
GLboolean callback_enable = !!(flags & CALLBACK_ENABLE);
if (!skip_setup) {
printf("Testing Debug %s and Callback %s\n",
debug_enable ? "enabled" : "disabled",
callback_enable ? "enabled" : "disabled");
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB, GL_DEBUG_TYPE_ERROR_ARB,
GL_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, debug_enable);
glDebugMessageCallbackARB(callback_enable ? debug_callback : NULL, USER_PARAM);
} else {
puts("Testing defaults.");
}
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* empty the log */
while (fetch_one_log_message());
callback_called = GL_FALSE;
glEnable(0xFFFFFFFF); /* GL error */
if (!piglit_check_gl_error(GL_INVALID_ENUM))
piglit_report_result(PIGLIT_FAIL);
if (callback_called != (callback_enable && debug_enable)) {
puts(callback_called ? " The callback shouldn't have been called."
: " The callback should have been called.");
piglit_report_result(PIGLIT_FAIL);
}
if ((skip_setup || debug_enable) && !callback_enable) {
/* the log must contain the error */
if (!fetch_one_log_message()) {
puts(" The log shouldn't be empty.");
piglit_report_result(PIGLIT_FAIL);
}
} else {
/* the log must be empty */
if (fetch_one_log_message()) {
puts(" The log should be empty.");
piglit_report_result(PIGLIT_FAIL);
}
}
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
}
bool
dumpState(std::ostream &os) {
glretrace::Context *currentContext = glretrace::getCurrentContext();
if (glretrace::insideGlBeginEnd ||
!currentContext) {
return false;
}
if (glretrace::supportsDebugOutput) {
// Our state dump generates lots of errors as it often tries to get
// state that's not supported, so silence debug messages temporarily.
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_FALSE);
}
glstate::dumpCurrentContext(os);
if (glretrace::supportsDebugOutput) {
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE);
}
return true;
}
bool initDebugOutput()
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_UNIFORM_BLOCKS, "GL_MAX_COMPUTE_UNIFORM_BLOCKS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS, "GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_IMAGE_UNIFORMS, "GL_MAX_COMPUTE_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_SHARED_MEMORY_SIZE, "GL_MAX_COMPUTE_SHARED_MEMORY_SIZE");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_UNIFORM_COMPONENTS, "GL_MAX_COMPUTE_UNIFORM_COMPONENTS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS, "GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_ATOMIC_COUNTERS, "GL_MAX_COMPUTE_ATOMIC_COUNTERS");
glf::logImplementationDependentLimit(GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS");
glf::logImplementationDependentLimit(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS, "GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS");
glf::logImplementationDependentLimit(GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, "GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT");
return true;
}
void OpenGLManager::Init(OpenGLManager* manager) {
logger->info("Initialising OpenGL.");
OpenGLManager::manager = manager;
glfwInit();
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
window = glfwCreateWindow(screenWidth, screenHeight, "Tetris 3D", NULL,
NULL);
if (!window) {
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwSetErrorCallback(glfw_error_callback);
glfwSetWindowSizeCallback(window, glfw_onResize);
glfwMakeContextCurrent(window);
glewInit();
glEnable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_CULL_FACE); // cull face
glCullFace(GL_FRONT); // cull back face //GL_BACK
glFrontFace(GL_CCW); // GL_CCW for counter clock-wise //GL_CW clockwise
glDebugMessageCallbackARB(gl_debug_callback, this);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
//Controlling the volume of debug output.
GLuint unusedIds = 0;
//glDebugMessageControlARB(enum source, enum type, enum severity, sizei count, const uint* ids, boolean enabled).
glDebugMessageControlARB(GL_DONT_CARE,
GL_DONT_CARE,
GL_DONT_CARE, 0, &unusedIds, true);
logger->info("Initialised OpenGL.");
}
void initGLDebug(const OpenGL::Format &fmt, GLDEBUGPROC callback, void* userparam)
{
assert( fmt.versionMajor >= 3 );
if ( (fmt.versionMajor > 4) || (fmt.versionMajor == 4 && fmt.versionMinor >= 3) )
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback(callback, userparam);
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, true);
}
else if ( glewIsSupported("GL_ARB_debug_output") )
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(callback, userparam);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, true);
}
else
{
// Log(LogType::Warning, LogSource::Engine, LogSeverity::Medium, "OpenGL API debug output is not supported on this system.");
}
}
bool initDebugOutput()
{
bool Validated(true);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glf::debugOutput, NULL);
glf::logImplementationDependentLimit(GL_MAX_IMAGE_UNITS, "GL_MAX_IMAGE_UNITS");
glf::logImplementationDependentLimit(GL_MAX_VERTEX_IMAGE_UNIFORMS, "GL_MAX_VERTEX_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS, "GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS, "GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_GEOMETRY_IMAGE_UNIFORMS, "GL_MAX_GEOMETRY_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_FRAGMENT_IMAGE_UNIFORMS, "GL_MAX_FRAGMENT_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_COMBINED_IMAGE_UNIFORMS, "GL_MAX_COMBINED_IMAGE_UNIFORMS");
glf::logImplementationDependentLimit(GL_MAX_ARRAY_TEXTURE_LAYERS, "GL_MAX_ARRAY_TEXTURE_LAYERS");
glf::logImplementationDependentLimit(GL_MAX_TEXTURE_IMAGE_UNITS, "GL_MAX_TEXTURE_IMAGE_UNITS");
glf::logImplementationDependentLimit(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS");
glf::logImplementationDependentLimit(GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS, "GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS");
//glf::logImplementationDependentLimit(GL_MAX_TEXTURE_UNITS, "GL_MAX_TEXTURE_UNITS");
return Validated;
}
void RequreExtentions()
{
CHECK_GL_ERRORS;
std::cout << "GPU Vendor: " << glGetString(GL_VENDOR) << std::endl;
std::cout << "GPU Name : " << glGetString(GL_RENDERER) << std::endl;
std::cout << "GL_VER : " << glGetString(GL_VERSION) << std::endl;
std::cout << "GLSL_VER : " << glGetString(GL_SHADING_LANGUAGE_VERSION) << std::endl;
// enable debug output
//
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(&DebugCallback, NULL);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_FALSE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_ERROR_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_PERFORMANCE_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_PORTABILITY_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB, GL_DONT_CARE, 0, NULL, GL_TRUE);
}
int main(int argc, char **argv){
/* vertices for a triangle */
/* Why does triangle[] = { vec4_new(...) } result in a segfault when returning
* from _mm_load_ps?
*/
/* Just want a sort of 3D object, but not a closed object otherwise it's hard
* to tell what's going on w/ flat shading */
vec4_t object[18];
//+Z face
object[0] = vec4_new(-1, -1, 1, 1);
object[1] = vec4_new(1, -1, 1, 1);
object[2] = vec4_new(1, 1, 1, 1);
object[3] = vec4_new(1, 1, 1, 1);
object[4] = vec4_new(-1, 1, 1, 1);
object[5] = vec4_new(-1, -1, 1, 1);
//+X face
object[6] = vec4_new(1, -1, 1, 1);
object[7] = vec4_new(1, -1, -1, 1);
object[8] = vec4_new(1, 1, -1, 1);
object[9] = vec4_new(1, 1, -1, 1);
object[10] = vec4_new(1, 1, 1, 1);
object[11] = vec4_new(1, -1, 1, 1);
//-X face
object[12] = vec4_new(-1, -1, 1, 1);
object[13] = vec4_new(-1, -1, -1, 1);
object[14] = vec4_new(-1, 1, -1, 1);
object[15] = vec4_new(-1, 1, -1, 1);
object[16] = vec4_new(-1, 1, 1, 1);
object[17] = vec4_new(-1, -1, 1, 1);
if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
fprintf(stderr, "SDL Init error: %s\n", SDL_GetError());
return 1;
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
#ifdef DEBUG
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
#endif
SDL_Window *win = SDL_CreateWindow("SSE GL Test", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, WIN_WIDTH, WIN_HEIGHT, SDL_WINDOW_OPENGL);
SDL_GLContext context = SDL_GL_CreateContext(win);
if (check_GL_error("Opened win + context")){
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
return 1;
}
glewExperimental = GL_TRUE;
GLenum err = glewInit();
if (err != GLEW_OK){
fprintf(stderr, "GLEW init error %d\n", err);
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
return 1;
}
check_GL_error("Post GLEW init");
#ifdef DEBUG
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(gl_debug_callback, NULL);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE,
0, NULL, GL_TRUE);
#endif
glClearColor(0, 0, 0, 1);
glClearDepth(1);
glEnable(GL_DEPTH_TEST);
//Model's vao and vbo
GLuint model[2];
glGenVertexArrays(1, model);
glBindVertexArray(model[0]);
glGenBuffers(1, model + 1);
glBindBuffer(GL_ARRAY_BUFFER, model[1]);
glBufferData(GL_ARRAY_BUFFER, 4 * 6 * 3 * sizeof(GLfloat), object, GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);
if (check_GL_error("Setup buffers")){
return 1;
}
GLint vshader = make_shader(vert_shader_src, GL_VERTEX_SHADER);
GLint fshader = make_shader(frag_shader_src, GL_FRAGMENT_SHADER);
if (vshader == -1 || fshader == -1){
return 1;
}
GLint program = make_program(vshader, fshader);
if (program == -1){
return 1;
}
glDeleteShader(vshader);
glDeleteShader(fshader);
mat4_t model_mat = mat4_mult(mat4_rotate(45, vec4_new(1, 1, 0, 0)), mat4_scale(2, 2, 2));
model_mat = mat4_mult(mat4_translate(vec4_new(0, 2, -5, 1)), model_mat);
mat4_t view_mat = mat4_look_at(vec4_new(0, 0, 5, 0), vec4_new(0, 0, 0, 0), vec4_new(0, 1, 0, 0));
mat4_t proj_mat = mat4_perspective(75, ((float)WIN_WIDTH) / WIN_HEIGHT, 1, 100);
glUseProgram(program);
GLuint model_unif = glGetUniformLocation(program, "model");
GLuint view_unif = glGetUniformLocation(program, "view");
GLuint proj_unif = glGetUniformLocation(program, "proj");
glUniformMatrix4fv(model_unif, 1, GL_FALSE, (GLfloat*)&model_mat);
glUniformMatrix4fv(view_unif, 1, GL_FALSE, (GLfloat*)&view_mat);
glUniformMatrix4fv(proj_unif, 1, GL_FALSE, (GLfloat*)&proj_mat);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDrawArrays(GL_TRIANGLES, 0, 18);
SDL_GL_SwapWindow(win);
check_GL_error("Post Draw");
SDL_Event e;
int quit = 0;
while (!quit){
while (SDL_PollEvent(&e)){
if (e.type == SDL_QUIT || e.type == SDL_KEYDOWN){
quit = 1;
}
}
}
glDeleteProgram(program);
glDeleteVertexArrays(1, model);
glDeleteBuffers(1, model + 1);
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
return 0;
}
int main( int argc, char ** argv )
{
// Размеры окна по-умолчанию
size_t const default_width = 800;
size_t const default_height = 800;
glutInit (&argc, argv);
glutInitWindowSize (default_width, default_height);
// Указание формата буфера экрана:
// - GLUT_DOUBLE - двойная буферизация
// - GLUT_RGB - 3-ёх компонентный цвет
// - GLUT_DEPTH - будет использоваться буфер глубины
glutInitDisplayMode (GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
// Создаем контекст версии 3.3
glutInitContextVersion (3, 3);
// Контекст будет поддерживать отладку и "устаревшую" функциональность, которой, например, может пользоваться библиотека AntTweakBar
glutInitContextFlags (GLUT_FORWARD_COMPATIBLE | GLUT_DEBUG);
// Указание либо на core либо на compatibility профил
glutInitContextProfile (GLUT_COMPATIBILITY_PROFILE );
int window_handle = glutCreateWindow("OpenGL basic sample");
// Инициализация указателей на функции OpenGL
if (glewInit() != GLEW_OK)
{
cerr << "GLEW init failed" << endl;
return 1;
}
// Проверка созданности контекста той версии, какой мы запрашивали
if (!GLEW_VERSION_3_3)
{
cerr << "OpenGL 3.3 not supported" << endl;
return 1;
}
#ifdef USE_CORE_OPENGL
glutDestroyWindow(window_handle);
glutInitContextProfile(GLUT_CORE_PROFILE);
window_handle = glutCreateWindow("OpenGL basic sample");
#endif
// Трассировка ошибок по callback'у
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(gl_debug_proc, NULL);
// выключить все трассировки
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE , GL_DONT_CARE, 0, NULL, false);
// включить сообщения только об ошибках
glDebugMessageControlARB(GL_DONT_CARE, GL_DEBUG_TYPE_ERROR_ARB, GL_DONT_CARE, 0, NULL, true );
// подписываемся на оконные события
glutReshapeFunc(reshape_func);
glutDisplayFunc(display_func);
glutIdleFunc (idle_func );
glutCloseFunc (close_func );
glutKeyboardFunc(keyboard_func);
// подписываемся на события для AntTweakBar'а
glutMouseFunc ((GLUTmousebuttonfun)TwEventMouseButtonGLUT);
glutMotionFunc ((GLUTmousemotionfun)TwEventMouseMotionGLUT);
glutPassiveMotionFunc((GLUTmousemotionfun)TwEventMouseMotionGLUT);
glutSpecialFunc ((GLUTspecialfun )TwEventSpecialGLUT );
TwGLUTModifiersFunc (glutGetModifiers);
try
{
g_triangle.reset(new triangle_demo_t());
// Вход в главный цикл приложения
glutMainLoop();
}
catch( std::exception const & except )
{
std::cout << except.what() << endl;
return 1;
}
return 0;
}
void
initContext() {
glretrace::Context *currentContext = glretrace::getCurrentContext();
/* Ensure we have adequate extension support */
assert(currentContext);
supportsTimestamp = currentContext->hasExtension("GL_ARB_timer_query");
supportsElapsed = currentContext->hasExtension("GL_EXT_timer_query") || supportsTimestamp;
supportsOcclusion = currentContext->hasExtension("GL_ARB_occlusion_query");
supportsDebugOutput = currentContext->hasExtension("GL_ARB_debug_output");
supportsARBShaderObjects = currentContext->hasExtension("GL_ARB_shader_objects");
/* Check for timer query support */
if (retrace::profilingGpuTimes) {
if (!supportsTimestamp && !supportsElapsed) {
std::cout << "Error: Cannot run profile, GL_ARB_timer_query or GL_EXT_timer_query extensions are not supported." << std::endl;
exit(-1);
}
GLint bits = 0;
glGetQueryiv(GL_TIME_ELAPSED, GL_QUERY_COUNTER_BITS, &bits);
if (!bits) {
std::cout << "Error: Cannot run profile, GL_QUERY_COUNTER_BITS == 0." << std::endl;
exit(-1);
}
}
/* Check for occlusion query support */
if (retrace::profilingPixelsDrawn && !supportsOcclusion) {
std::cout << "Error: Cannot run profile, GL_ARB_occlusion_query extension is not supported." << std::endl;
exit(-1);
}
/* Setup debug message call back */
if (retrace::debug && supportsDebugOutput) {
glretrace::Context *currentContext = glretrace::getCurrentContext();
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE);
glDebugMessageCallbackARB(&debugOutputCallback, currentContext);
if (DEBUG_OUTPUT_SYNCHRONOUS) {
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
}
}
/* Sync the gpu and cpu start times */
if (retrace::profilingCpuTimes || retrace::profilingGpuTimes) {
if (!retrace::profiler.hasBaseTimes()) {
double cpuTimeScale = 1.0E9 / getTimeFrequency();
GLint64 currentTime = getCurrentTime() * cpuTimeScale;
retrace::profiler.setBaseCpuTime(currentTime);
retrace::profiler.setBaseGpuTime(currentTime);
}
}
if (retrace::profilingMemoryUsage) {
GLint64 currentVsize, currentRss;
getCurrentVsize(currentVsize);
retrace::profiler.setBaseVsizeUsage(currentVsize);
getCurrentRss(currentRss);
retrace::profiler.setBaseRssUsage(currentRss);
}
}
/*///////////////////////
// Public Functions //
///////////////////////*/
int main(int argc, char **argv)
{
GLFWwindow *window = NULL;
UNUSED_ARG(argc);
UNUSED_ARG(argv);
// initialize GLFW, our platform abstraction library.
glfwSetErrorCallback(glfw_error);
if (!glfwInit())
{
exit(EXIT_FAILURE);
}
glfwWindowHint(GLFW_VISIBLE, GL_TRUE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#if GL_DEBUG_ENABLE
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
#endif
// create the main application window and OpenGL context.
window = glfwCreateWindow(GW_WINDOW_WIDTH, GW_WINDOW_HEIGHT, GW_WINDOW_TITLE, NULL, NULL);
if (window == NULL)
{
fprintf(stderr, "ERROR: Cannot create primary GLFW window.\n");
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
// now that we have an OpenGL context, load extensions provided by the platform.
// note that glewExperimental is defined by the GLEW library and is required on
// OSX or the glGenVertexArrays() call will cause a fault.
glewExperimental = GL_TRUE;
if (glewInit() != GLEW_OK)
{
fprintf(stderr, "ERROR: Cannot initialize GLEW for the primary context.\n");
glfwTerminate();
exit(EXIT_FAILURE);
}
// clear any OpenGL error status and configure debug output.
glGetError();
#if GL_DEBUG_ENABLE
if (GLEW_ARB_debug_output)
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(gl_arb_debug, NULL);
}
#endif
// initialize global managers:
gDisplayManager = new DisplayManager();
gDisplayManager->Init(window);
gInputManager = new InputManager();
gInputManager->Init(window);
Player *player = new Player(0);
player->Init(gDisplayManager);
gEntityManager = new EntityManager();
gEntityManager->AddEntity(player);
// game loop setup and run:
const double Step = GW_SIM_TIMESTEP;
double previousTime = glfwGetTime();
double currentTime = previousTime;
double elapsedTime = 0.0;
double accumulator = 0.0;
double simTime = 0.0;
double t = 0.0;
int width = 0;
int height = 0;
while (!glfwWindowShouldClose(window))
{
// retrieve the current framebuffer size, which
// may be different from the current window size.
glfwGetFramebufferSize(window, &width, &height);
// update the main game clock.
previousTime = currentTime;
currentTime = glfwGetTime();
elapsedTime = currentTime - previousTime;
if (elapsedTime > GW_MAX_TIMESTEP)
{
elapsedTime = GW_MAX_TIMESTEP;
}
if (elapsedTime < GW_MIN_TIMESTEP)
{
elapsedTime = GW_MIN_TIMESTEP;
}
accumulator += elapsedTime;
// process user input at the start of the frame.
input(currentTime, elapsedTime);
// execute the simulation zero or more times per-frame.
// the simulation runs at a fixed timestep.
while (accumulator >= Step)
{
// @todo: swap game state buffers here.
// pass the current game state to simulate.
simulate(simTime, Step);
accumulator -= Step;
simTime += Step;
}
// interpolate display state.
t = accumulator / Step;
// state = currentState * t + previousState * (1.0 - t);
render(currentTime, elapsedTime, t, width, height);
// now present the current frame and process OS events.
glfwSwapBuffers(window);
glfwPollEvents();
}
// teardown global managers.
delete gEntityManager;
delete gDisplayManager;
delete gInputManager;
// perform any top-level cleanup.
glfwTerminate();
exit(EXIT_SUCCESS);
}
void VCWindow::Initalize()
{
std::cout << "Creating a VCWindow..." << std::endl;
// ===== GLFW ======================================================
glfwSetErrorCallback(glewErrorCallback);
if (!glfwInit())
{
std::cout << "Failed to initialize GLFW." << std::endl;
std::cin.ignore();
}
//glfwWindowHint(GLFW_DECORATED, false);
//glfwWindowHint(GLFW_SAMPLES, 4);
//glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
//glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
//glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#if DEBUG
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, true);
#endif
GLFWWindowHandle = glfwCreateWindow(1280, 600, "Thilenius - A 0.0.1", NULL, NULL);
if (!GLFWWindowHandle)
{
glfwTerminate();
std::cout << "Failed to create a window." << std::endl;
std::cin.ignore();
}
glfwMakeContextCurrent(GLFWWindowHandle);
// ===== GLEW ======================================================
glewExperimental = true;
GLenum glewError = glewInit();
if( glewError != GLEW_OK )
{
printf( "Error initializing GLEW! %s\n", glewGetErrorString( glewError ) );
std::cin.ignore();
}
// ===== Debug ======================================================
#if DEBUG
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE);
glDebugMessageCallbackARB(&glDebugCallback, NULL);
#endif
GLint major, minor;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
std::cout << "OpenGL version: " << major << "." << minor << std::endl;
std::cout << "Hardware: " << glGetString(GL_RENDERER) << std::endl << std::endl;
glfwGetWindowSize(GLFWWindowHandle, &Width, &Height);
FullViewport = VCRectangle(0, 0, Width, Height);
SetVSync(false);
std::cout << "VCWindow Initialized." << std::endl;
glErrorCheck();
VCInteropWindowSetPos(200, 200);
}
bool render_with_preview(Driver &driver){
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0){
std::cerr << "SDL_Init error: " << SDL_GetError() << std::endl;
return false;
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
#ifdef DEBUG
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
#endif
const RenderTarget &target = driver.get_scene().get_render_target();
SDL_Window *win = SDL_CreateWindow("tray render", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, target.get_width(), target.get_height(),
SDL_WINDOW_OPENGL);
SDL_GLContext context = SDL_GL_CreateContext(win);
if (ogl_LoadFunctions() == ogl_LOAD_FAILED){
std::cerr << "ogl failed to load OpenGL functions" << std::endl;
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
SDL_Quit();
return false;
}
glClearColor(0.f, 0.f, 0.f, 1.f);
glClearDepth(1.f);
#ifdef DEBUG
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
glDebugMessageCallbackARB(util::gldebug_callback, NULL);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0,
NULL, GL_TRUE);
#endif
GLint program = util::load_program(VERTEX_SHADER_SRC, FRAGMENT_SHADER_SRC);
if (program == -1){
std::cerr << "GLSL shader failed to compile, aborting\n";
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
SDL_Quit();
return false;
}
glUseProgram(program);
GLuint color;
glGenTextures(1, &color);
glBindTexture(GL_TEXTURE_2D, color);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, target.get_width(), target.get_height(), 0, GL_RGB,
GL_UNSIGNED_BYTE, NULL);
//Disable linear filtering so the image is only as nice as the ray tracer renders it
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
//A dummy vao, required for core profile but we don't really need it
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
//Run the driver so it renders while we update the texture with the
//new output from it
std::vector<Color24> color_buf(target.get_width() * target.get_height());
driver.render();
//We also track if we're done so we can stop updating the textures after doing a last
//update
bool quit = false, render_done = false;
while (!quit){
SDL_Event e;
while (SDL_PollEvent(&e)){
if (e.type == SDL_QUIT || (e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_ESCAPE)){
driver.cancel();
quit = true;
}
}
//Let the driver do some work
SDL_Delay(16);
//Update the texture with new data.
//We could do better and only update blocks of updated pixels, but this is more
//work than I want to put into this
if (!render_done){
render_done = driver.done();
target.get_colorbuf(color_buf);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, target.get_width(), target.get_height(), GL_RGB,
GL_UNSIGNED_BYTE, color_buf.data());
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
SDL_GL_SwapWindow(win);
}
glDeleteProgram(program);
glDeleteTextures(1, &color);
glDeleteVertexArrays(1, &vao);
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(win);
SDL_Quit();
//If the user aborted we may not have finished the render so report our status
return driver.done();
}
bool initGLBase()
{
GLuint PixelFormat;
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cDepthBits = 24;
pfd.cStencilBits = 8;
g_hDC = GetDC( g_hWnd );
PixelFormat = ChoosePixelFormat( g_hDC, &pfd );
SetPixelFormat( g_hDC, PixelFormat, &pfd);
g_hRC = wglCreateContext( g_hDC );
wglMakeCurrent( g_hDC, g_hRC );
// calling glewinit NOW because the inside glew, there is mistake to fix...
// This is the joy of using Core. The query glGetString(GL_EXTENSIONS) is deprecated from the Core profile.
// You need to use glGetStringi(GL_EXTENSIONS, <index>) instead. Sounds like a "bug" in GLEW.
glewInit();
//wglSwapInterval(0);
#if 1
#define GLCOMPAT
if(!wglCreateContextAttribsARB)
wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
if(wglCreateContextAttribsARB)
{
HGLRC hRC = NULL;
int attribList[] =
{
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 3,
#ifdef GLCOMPAT
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
#else
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
#endif
WGL_CONTEXT_FLAGS_ARB,
//WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB|
#ifndef GLCOMPAT
//WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB| // use it if you want errors when compat options still used
#endif
#ifdef _DEBUG
WGL_CONTEXT_DEBUG_BIT_ARB
#else
0
#endif
,0, 0
};
if (!(hRC = wglCreateContextAttribsARB(g_hDC, 0, attribList)))
{
LOGE("wglCreateContextAttribsARB() failed for OpenGL context.\n");
return false;
//attribList[3] = 0;
//if (!(hRC = wglCreateContextAttribsARB(g_hDC, 0, attribList)))
// LOGE("wglCreateContextAttribsARB() failed for OpenGL context.\n");
}
if (!wglMakeCurrent(g_hDC, hRC))
{ LOGE("wglMakeCurrent() failed for OpenGL context.\n"); }
else {
wglDeleteContext( g_hRC );
g_hRC = hRC;
#ifdef _DEBUG
if(!glDebugMessageCallbackARB)
{
glDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC)wglGetProcAddress("glDebugMessageCallbackARB");
glDebugMessageControlARB = (PFNGLDEBUGMESSAGECONTROLARBPROC)wglGetProcAddress("glDebugMessageControlARB");
}
if(glDebugMessageCallbackARB)
{
glDebugMessageCallbackARB(myOpenGLCallback, NULL);
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_HIGH_ARB, 0, NULL, GL_TRUE);
}
#endif
}
}
#endif
glewInit();
LOGOK("Loaded Glew\n");
LOGOK("initialized OpenGL basis\n");
return true;
}
bool gr_opengl_init(std::unique_ptr<os::GraphicsOperations>&& graphicsOps)
{
if (GL_initted) {
gr_opengl_cleanup(false);
GL_initted = false;
}
mprintf(( "Initializing OpenGL graphics device at %ix%i with %i-bit color...\n",
gr_screen.max_w,
gr_screen.max_h,
gr_screen.bits_per_pixel ));
graphic_operations = std::move(graphicsOps);
if ( opengl_init_display_device() ) {
Error(LOCATION, "Unable to initialize display device!\n"
"This most likely means that your graphics drivers do not support the minimum required OpenGL version which is %d.%d.\n",
(MIN_REQUIRED_GL_VERSION / 10),
(MIN_REQUIRED_GL_VERSION % 10));
}
// Initialize function pointers
if (!gladLoadGLLoader(GL_context->getLoaderFunction())) {
Error(LOCATION, "Failed to load OpenGL!");
}
// version check
GL_version = (GLVersion.major * 10) + GLVersion.minor;
if (GL_version < MIN_REQUIRED_GL_VERSION) {
Error(LOCATION, "Current GL Version of %d.%d is less than the "
"required version of %d.%d.\n"
"Switch video modes or update your drivers.",
GLVersion.major,
GLVersion.minor,
(MIN_REQUIRED_GL_VERSION / 10),
(MIN_REQUIRED_GL_VERSION % 10));
}
GL_initted = true;
#ifndef NDEBUG
// Set up the debug extension if present
if (GLAD_GL_ARB_debug_output) {
nprintf(("OpenGL Debug", "Using OpenGL debug extension\n"));
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
GLuint unusedIds = 0;
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, &unusedIds, true);
glDebugMessageCallbackARB(debug_callback, nullptr);
// Now print all pending log messages
while (hasPendingDebugMessage()) {
printNextDebugMessage();
}
}
#endif
// this MUST be done before any other gr_opengl_* or
// opengl_* function calls!!
opengl_setup_function_pointers();
mprintf(( " OpenGL Vendor : %s\n", glGetString(GL_VENDOR) ));
mprintf(( " OpenGL Renderer : %s\n", glGetString(GL_RENDERER) ));
mprintf(( " OpenGL Version : %s\n", glGetString(GL_VERSION) ));
mprintf(( "\n" ));
if (Cmdline_fullscreen_window || Cmdline_window) {
opengl_go_windowed();
} else {
opengl_go_fullscreen();
}
init_extensions();
// init state system (must come AFTER light is set up)
GL_state.init();
GLint max_texture_units = GL_supported_texture_units;
GLint max_texture_coords = GL_supported_texture_units;
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &max_texture_units);
max_texture_coords = 1;
// create vertex array object to make OpenGL Core happy
glGenVertexArrays(1, &GL_vao);
glBindVertexArray(GL_vao);
GL_state.Texture.init(max_texture_units);
GL_state.Array.init(max_texture_coords);
GL_state.Constants.init();
opengl_set_texture_target();
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable();
// ready the texture system
opengl_tcache_init();
opengl_tnl_init();
// setup default shaders, and shader related items
opengl_shader_init();
// post processing effects, after shaders are initialized
opengl_setup_scene_textures();
opengl_post_process_init();
// must be called after extensions are setup
opengl_set_vsync( !Cmdline_no_vsync );
gr_reset_matrices();
gr_setup_viewport();
glClear(GL_DEPTH_BUFFER_BIT);
glClear(GL_STENCIL_BUFFER_BIT);
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
glDepthRange(0.0, 1.0);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glFlush();
Gr_current_red = &Gr_red;
Gr_current_blue = &Gr_blue;
Gr_current_green = &Gr_green;
Gr_current_alpha = &Gr_alpha;
gr_opengl_reset_clip();
gr_opengl_clear();
gr_opengl_flip();
gr_opengl_clear();
gr_opengl_flip();
gr_opengl_clear();
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &GL_max_elements_vertices);
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &GL_max_elements_indices);
mprintf(( " Max texture units: %i (%i)\n", GL_supported_texture_units, max_texture_units ));
mprintf(( " Max client texture states: %i (%i)\n", GL_supported_texture_units, max_texture_coords ));
mprintf(( " Max elements vertices: %i\n", GL_max_elements_vertices ));
mprintf(( " Max elements indices: %i\n", GL_max_elements_indices ));
mprintf(( " Max texture size: %ix%i\n", GL_max_texture_width, GL_max_texture_height ));
mprintf(( " Max render buffer size: %ix%i\n",
GL_max_renderbuffer_size,
GL_max_renderbuffer_size ));
mprintf(( " Can use compressed textures: %s\n", Use_compressed_textures ? NOX("YES") : NOX("NO") ));
mprintf(( " Texture compression available: %s\n", Texture_compression_available ? NOX("YES") : NOX("NO") ));
mprintf(( " Post-processing enabled: %s\n", (Cmdline_postprocess) ? "YES" : "NO"));
mprintf(( " Using %s texture filter.\n", (GL_mipmap_filter) ? NOX("trilinear") : NOX("bilinear") ));
mprintf(( " OpenGL Shader Version: %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION) ));
mprintf((" Max uniform block size: %d\n", GL_state.Constants.GetMaxUniformBlockSize()));
mprintf((" Max uniform buffer bindings: %d\n", GL_state.Constants.GetMaxUniformBlockBindings()));
mprintf((" Uniform buffer byte offset alignment: %d\n", GL_state.Constants.GetUniformBufferOffsetAlignment()));
// This stops fred crashing if no textures are set
gr_screen.current_bitmap = -1;
mprintf(("... OpenGL init is complete!\n"));
if (Cmdline_ati_color_swap)
GL_read_format = GL_RGBA;
return true;
}
void GFXGLDevice::initGLState()
{
// We don't currently need to sync device state with a known good place because we are
// going to set everything in GFXGLStateBlock, but if we change our GFXGLStateBlock strategy, this may
// need to happen.
// Deal with the card profiler here when we know we have a valid context.
mCardProfiler = new GFXGLCardProfiler();
mCardProfiler->init();
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (GLint*)&mMaxShaderTextures);
// JTH: Needs removed, ffp
//glGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&mMaxFFTextures);
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, (GLint*)&mMaxTRColors);
mMaxTRColors = getMin( mMaxTRColors, (U32)(GFXTextureTarget::MaxRenderSlotId-1) );
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
// [JTH 5/6/2016] GLSL 1.50 is really SM 4.0
// Setting mPixelShaderVersion to 3.0 will allow Advanced Lighting to run.
mPixelShaderVersion = 3.0;
// Set capability extensions.
mCapabilities.anisotropicFiltering = mCardProfiler->queryProfile("GL_EXT_texture_filter_anisotropic");
mCapabilities.bufferStorage = mCardProfiler->queryProfile("GL_ARB_buffer_storage");
mCapabilities.shaderModel5 = mCardProfiler->queryProfile("GL_ARB_gpu_shader5");
mCapabilities.textureStorage = mCardProfiler->queryProfile("GL_ARB_texture_storage");
mCapabilities.samplerObjects = mCardProfiler->queryProfile("GL_ARB_sampler_objects");
mCapabilities.copyImage = mCardProfiler->queryProfile("GL_ARB_copy_image");
mCapabilities.vertexAttributeBinding = mCardProfiler->queryProfile("GL_ARB_vertex_attrib_binding");
String vendorStr = (const char*)glGetString( GL_VENDOR );
if( vendorStr.find("NVIDIA", 0, String::NoCase | String::Left) != String::NPos)
mUseGlMap = false;
// Workaround for all Mac's, has a problem using glMap* with volatile buffers
#ifdef TORQUE_OS_MAC
mUseGlMap = false;
#endif
#if TORQUE_DEBUG
if( gglHasExtension(ARB_debug_output) )
{
glEnable(GL_DEBUG_OUTPUT);
glDebugMessageCallbackARB(glDebugCallback, NULL);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
GLuint unusedIds = 0;
glDebugMessageControlARB(GL_DONT_CARE,
GL_DONT_CARE,
GL_DONT_CARE,
0,
&unusedIds,
GL_TRUE);
}
else if(gglHasExtension(AMD_debug_output))
{
glEnable(GL_DEBUG_OUTPUT);
glDebugMessageCallbackAMD(glAmdDebugCallback, NULL);
//glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
GLuint unusedIds = 0;
glDebugMessageEnableAMD(GL_DONT_CARE, GL_DONT_CARE, 0,&unusedIds, GL_TRUE);
}
#endif
PlatformGL::setVSync(smDisableVSync ? 0 : 1);
//install vsync callback
Con::NotifyDelegate clbk(this, &GFXGLDevice::vsyncCallback);
Con::addVariableNotify("$pref::Video::disableVerticalSync", clbk);
//OpenGL 3 need a binded VAO for render
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
}
int main(int argc, char* argv[])
{
vsx_argvector::get_instance()->init_from_argc_argv(argc, argv);
if (vsx_argvector::get_instance()->has_param("help"))
{
glewInit();
app_print_cli_help();
exit(0);
}
// Initialise GLFW
glfwInit();
set_modifiers();
int width, height, running, frames, x, y;
double t, t1;
char titlestr[ 200 ];
bool start_fullscreen = false;
bool manual_resolution_set = false;
int x_res = 1280;
int y_res = 720;
if (vsx_argvector::get_instance()->has_param("f"))
{
start_fullscreen = true;
}
if (vsx_argvector::get_instance()->has_param_with_value("s"))
{
vsx_string arg2 = vsx_argvector::get_instance()->get_param_value("s");
vsx_avector<vsx_string> parts;
vsx_string deli = ",";
explode(arg2, deli, parts);
if (parts.size() == 2)
{
x_res = vsx_string_helper::s2i(parts[0]);
y_res = vsx_string_helper::s2i(parts[1]);
manual_resolution_set = true;
} else
{
deli = "x";
explode(arg2, deli, parts);
if ( parts.size() == 2 )
{
x_res = vsx_string_helper::s2i(parts[0]);
y_res = vsx_string_helper::s2i(parts[1]);
manual_resolution_set = true;
}
}
}
if (start_fullscreen && !manual_resolution_set)
{
// try to get the resolution from the desktop for fullscreen
GLFWvidmode video_mode;
glfwGetDesktopMode(&video_mode);
x_res = video_mode.Height;
y_res = video_mode.Width;
}
if (vsx_argvector::get_instance()->has_param("gl_debug"))
{
printf("enabling GL DEBUG\n");
glfwOpenWindowHint( GLFW_OPENGL_DEBUG_CONTEXT , GL_TRUE );
}
// OpenGL version
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 2);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 1);
if( !glfwOpenWindow( x_res, y_res, 0,0,0,0,16,0, start_fullscreen?GLFW_FULLSCREEN:GLFW_WINDOW ) ) // GLFW_FULLSCREEN
{
printf("Error! Could not create an OpenGL context. Please check your GPU drivers...\n");
glfwTerminate();
return 0;
}
glewInit();
if (start_fullscreen)
glfwEnable( GLFW_MOUSE_CURSOR );
app_load(0);
glfwEnable(GLFW_AUTO_POLL_EVENTS);
for (int i = 1; i < argc; i++)
{
vsx_string arg1 = argv[i];
if (arg1 == "-p") {
if (i+1 < argc)
{
i++;
vsx_string arg2 = argv[i];
vsx_avector<vsx_string> parts;
vsx_string deli = ",";
explode(arg2, deli, parts);
glfwSetWindowPos( vsx_string_helper::s2i(parts[0]), vsx_string_helper::s2i(parts[1]) );
}
}
}
glfwSetKeyCallback(&key_event);
glfwSetMouseButtonCallback(&mouse_button_event);
glfwSetMousePosCallback(&mouse_pos_event);
glfwSetCharCallback(&key_char_event);
glfwSetMouseWheelCallback(&mouse_wheel);
// set window size callback function
glfwSetWindowSizeCallback(window_size);
// Enable sticky keys
glfwEnable( GLFW_STICKY_KEYS );
// vsync handling
bool vsync = true;
if (vsx_argvector::get_instance()->has_param("novsync"))
{
vsync = false;
glfwSwapInterval(0);
}
else
{
glfwSwapInterval(1);
}
// Main loop
running = GL_TRUE;
frames = 0;
if (vsx_argvector::get_instance()->has_param("gl_debug"))
{
// enable debug callback
if (__GLEW_ARB_debug_output)
{
glDebugMessageCallbackARB( myErrorCallback, NULL);
GLuint unusedIds = 0;
glDebugMessageControlARB(
GL_DONT_CARE,
GL_DONT_CARE,
GL_DONT_CARE,
0,
&unusedIds,
true
);
}
}
int display_gpu_vram_stats = 0;
if (vsx_argvector::get_instance()->has_param("gl_vram"))
{
display_gpu_vram_stats = 1;
}
#if PLATFORM_FAMILY == PLATFORM_FAMILY_UNIX
sprintf( titlestr, "Vovoid VSXu Artiste %s [GNU/Linux %d-bit]", vsxu_ver, PLATFORM_BITS);
#endif
#if PLATFORM_FAMILY == PLATFORM_FAMILY_WINDOWS
sprintf( titlestr, "Vovoid VSXu Artiste %s [Windows %d-bit]", vsxu_ver, PLATFORM_BITS);
#endif
glfwSetWindowTitle( titlestr );
vsx_timer frame_delay;
int initial_vram_free = 0;
while( running )
{
frame_delay.start();
if (mouse_pos_type)
{
if (mouse_pos_type == 1) app_mouse_move(last_x,last_y);
else app_mouse_move_passive(last_x,last_y);
mouse_pos_type = 0;
}
if (__GLEW_NVX_gpu_memory_info && display_gpu_vram_stats)
{
// #define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
// #define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
// #define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
// #define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
// #define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
// GLint total_memory;
// GLint total_available;
GLint available_memory;
// GLint eviction_count;
// GLint eviction_size;
// glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &total_memory);
// glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &total_available);
// glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX, &eviction_count);
// glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX, &eviction_size);
glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &available_memory);
// float available_memory_f = (float)available_memory;
if (initial_vram_free == 0) initial_vram_free = available_memory >> 10;
vsx_printf("GPU MEMORY INFO: Before frame: available vram: %d MB\n", available_memory >> 10);
vsx_printf("GPU MEMORY INFO: Probably used vram: %d MB\n", initial_vram_free - (available_memory >> 10));
//if (gtm)
//((vsx_tm*)gtm)->plot( available_memory_f, "gpu memory free" );
}
app_pre_draw();
// Get time and mouse position
t = glfwGetTime();
glfwGetMousePos( &x, &y );
float delta = t-t1;
t1 = t;
if (key_pressed != -1)
{
//printf("%f\n", delta);
key_time += delta;
if (key_time > 0.3f)
{
key_repeat_time += delta;
if (key_repeat_time > initial_key_delay)
{
key_repeat_time = 0.0f;
if (key_character != -1)
app_char(key_character);
app_key_down((long)key_pressed);
initial_key_delay *= 0.99f;
//printf("repeating key: %d\n", key_character);
}
}
}
frames ++;
// Get window size (may be different than the requested size)
glfwGetWindowSize( &width, &height );
height = height > 0 ? height : 1;
// Set viewport
vsx_gl_state::get_instance()->viewport_set( 0, 0, width, height );
// Clear color buffer
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); // Reset The Modelview Matrix
app_draw(0);
glfwSwapBuffers();
//#if (PLATFORM != PLATFORM_WINDOWS)
// if (!vsync)
// {
// float dtime = frame_delay.dtime();
// if (dtime < 1.0f/60.0f)
// {
// float sleeptime = (1.0f / 60.0f - dtime)*1000000.0f;
// usleep( (useconds_t) sleeptime );
// }
// }
//#endif
running = glfwGetWindowParam( GLFW_OPENED );
}
