void NewContext(int* SP) { // SP for next task to go (arg #1) goes into HL SP; FunctionArgToReg(H, L); // Restores usermode status SetStackPointerASM(_OldSP); ExchangeRegs(); ReloadIndexes(); SaveContext(); // Switches to the process with stack in SP ExchangeRegs(); GetStackPointerASM(_TempSP); SetStackPointerREG(HL); *CurrentSP=TempSP; ExchangeRegs(); LoadContext(); if(ControlRequests==0) Halt("ISR IN USER MODE"); ControlRequests--; IntsOn(); ImmediateReturn(); }
/// Sets up the primary application thread Handle SetupMainThread(s32 priority, int stack_size) { Handle handle; // Initialize new "main" thread Thread* thread = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority, THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size); ResetThread(thread, 0, 0); // If running another thread already, set it to "ready" state Thread* cur = GetCurrentThread(); if (cur && cur->IsRunning()) { ChangeReadyState(cur, true); } // Run new "main" thread SetCurrentThread(thread); thread->status = THREADSTATUS_RUNNING; LoadContext(thread->context); return handle; }
/// Switches CPU context to that of the specified thread void SwitchContext(Thread* t) { Thread* cur = GetCurrentThread(); // Save context for current thread if (cur) { SaveContext(cur->context); if (cur->IsRunning()) { ChangeReadyState(cur, true); } } // Load context of new thread if (t) { SetCurrentThread(t); ChangeReadyState(t, false); t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY; t->wait_type = WAITTYPE_NONE; LoadContext(t->context); } else { SetCurrentThread(nullptr); } }
int main(int argc, char *argv[]) { int fsaa, accel; int value; int i; SDL_DisplayMode mode; Uint32 then, now; int status; shader_data *data; /* Initialize parameters */ fsaa = 0; accel = 0; /* Initialize test framework */ state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); if (!state) { return 1; } for (i = 1; i < argc;) { int consumed; consumed = SDLTest_CommonArg(state, i); if (consumed == 0) { if (SDL_strcasecmp(argv[i], "--fsaa") == 0) { ++fsaa; consumed = 1; } else if (SDL_strcasecmp(argv[i], "--accel") == 0) { ++accel; consumed = 1; } else if (SDL_strcasecmp(argv[i], "--zdepth") == 0) { i++; if (!argv[i]) { consumed = -1; } else { depth = SDL_atoi(argv[i]); consumed = 1; } } else { consumed = -1; } } if (consumed < 0) { SDL_Log ("Usage: %s %s [--fsaa] [--accel] [--zdepth %%d]\n", argv[0], SDLTest_CommonUsage(state)); quit(1); } i += consumed; } /* Set OpenGL parameters */ state->window_flags |= SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_BORDERLESS; state->gl_red_size = 5; state->gl_green_size = 5; state->gl_blue_size = 5; state->gl_depth_size = depth; state->gl_major_version = 2; state->gl_minor_version = 0; state->gl_profile_mask = SDL_GL_CONTEXT_PROFILE_ES; if (fsaa) { state->gl_multisamplebuffers=1; state->gl_multisamplesamples=fsaa; } if (accel) { state->gl_accelerated=1; } if (!SDLTest_CommonInit(state)) { quit(2); return 0; } context = (SDL_GLContext *)SDL_calloc(state->num_windows, sizeof(context)); if (context == NULL) { SDL_Log("Out of memory!\n"); quit(2); } /* Create OpenGL ES contexts */ for (i = 0; i < state->num_windows; i++) { context[i] = SDL_GL_CreateContext(state->windows[i]); if (!context[i]) { SDL_Log("SDL_GL_CreateContext(): %s\n", SDL_GetError()); quit(2); } } /* Important: call this *after* creating the context */ if (LoadContext(&ctx) < 0) { SDL_Log("Could not load GLES2 functions\n"); quit(2); return 0; } /* from here on out, it should be ok to call gles 2.0 routines */ if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) { SDL_GL_SetSwapInterval(1); } else { SDL_GL_SetSwapInterval(0); } SDL_Log("first call address is %llx data is %lx\n",(long long)(&glGetString),GL_VENDOR); const char *test = ctx.glGetString(GL_VENDOR); if (test) { SDL_Log("we got %s\n",test); } else { SDL_Log("we got a null.\n"); quit(2); } SDL_Log("try again call address is %lx\n",(long long)(&glGetString)); SDL_Log("first ctx address is %llx data is %lx ind %llx\n",(long long)(ctx.glGetString),GL_VENDOR,((long long *)(ctx.glGetString))[0] ); {const char *test = glGetString(GL_VENDOR); if (test) { SDL_Log("we got %s\n",test); } else { SDL_Log("we got a null.\n"); quit(2); } } SDL_GetCurrentDisplayMode(0, &mode); SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(mode.format)); SDL_Log("\n"); SDL_Log("Vendor : %s\n", glGetString(GL_VENDOR)); SDL_Log("Renderer : %s\n", glGetString(GL_RENDERER)); SDL_Log("Version : %s\n", glGetString(GL_VERSION)); SDL_Log("Extensions : %s\n", glGetString(GL_EXTENSIONS)); SDL_Log("\n"); status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value); if (!status) { SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value); } else { SDL_Log( "Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value); if (!status) { SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value); } else { SDL_Log( "Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value); if (!status) { SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value); } else { SDL_Log( "Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value); if (!status) { SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", depth, value); } else { SDL_Log( "Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError()); } if (fsaa) { status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value); if (!status) { SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); } else { SDL_Log( "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value); if (!status) { SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value); } else { SDL_Log( "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n", SDL_GetError()); } } if (accel) { status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value); if (!status) { SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value); } else { SDL_Log( "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n", SDL_GetError()); } } datas = (shader_data *)SDL_calloc(state->num_windows, sizeof(shader_data)); /* Set rendering settings for each context */ for (i = 0; i < state->num_windows; ++i) { int w, h; status = SDL_GL_MakeCurrent(state->windows[i], context[i]); if (status) { SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError()); /* Continue for next window */ continue; } SDL_GL_GetDrawableSize(state->windows[i], &w, &h); glViewport(0, 0, w, h); data = &datas[i]; data->angle_x = 0; data->angle_y = 0; data->angle_z = 0; /* Shader Initialization */ process_shader(&data->shader_vert, _shader_vert_src, GL_VERTEX_SHADER); process_shader(&data->shader_frag, _shader_frag_src, GL_FRAGMENT_SHADER); /* Create shader_program (ready to attach shaders) */ data->shader_program = GL_CHECK(glCreateProgram()); /* Attach shaders and link shader_program */ GL_CHECK(glAttachShader(data->shader_program, data->shader_vert)); GL_CHECK(glAttachShader(data->shader_program, data->shader_frag)); GL_CHECK(glLinkProgram(data->shader_program)); /* Get attribute locations of non-fixed attributes like color and texture coordinates. */ data->attr_position = GL_CHECK(glGetAttribLocation(data->shader_program, "av4position")); data->attr_color = GL_CHECK(glGetAttribLocation(data->shader_program, "av3color")); /* Get uniform locations */ data->attr_mvp = GL_CHECK(glGetUniformLocation(data->shader_program, "mvp")); GL_CHECK(glUseProgram(data->shader_program)); /* Enable attributes for position, color and texture coordinates etc. */ GL_CHECK(glEnableVertexAttribArray(data->attr_position)); GL_CHECK(glEnableVertexAttribArray(data->attr_color)); /* Populate attributes for position, color and texture coordinates etc. */ GL_CHECK(glVertexAttribPointer(data->attr_position, 3, GL_FLOAT, GL_FALSE, 0, _vertices)); GL_CHECK(glVertexAttribPointer(data->attr_color, 3, GL_FLOAT, GL_FALSE, 0, _colors)); GL_CHECK(glEnable(GL_CULL_FACE)); GL_CHECK(glEnable(GL_DEPTH_TEST)); } /* Main render loop */ frames = 0; then = SDL_GetTicks(); done = 0; #ifdef __EMSCRIPTEN__ emscripten_set_main_loop(loop, 0, 1); #else while (!done) { loop(); } #endif /* Print out some timing information */ now = SDL_GetTicks(); if (now > then) { SDL_Log("%2.2f frames per second\n", ((double) frames * 1000) / (now - then)); } #if !defined(__ANDROID__) && !defined(__NACL__) quit(0); #endif return 0; }
int main(int argc, char *argv[]) { int fsaa, accel; int value; int i, done; SDL_DisplayMode mode; SDL_Event event; Uint32 then, now, frames; int status; int dw, dh; /* Enable standard application logging */ SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); /* Initialize parameters */ fsaa = 0; accel = -1; /* Initialize test framework */ state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); if (!state) { return 1; } for (i = 1; i < argc;) { int consumed; consumed = SDLTest_CommonArg(state, i); if (consumed == 0) { if (SDL_strcasecmp(argv[i], "--fsaa") == 0 && i+1 < argc) { fsaa = atoi(argv[i+1]); consumed = 2; } else if (SDL_strcasecmp(argv[i], "--accel") == 0 && i+1 < argc) { accel = atoi(argv[i+1]); consumed = 2; } else { consumed = -1; } } if (consumed < 0) { SDL_Log("Usage: %s %s [--fsaa n] [--accel n]\n", argv[0], SDLTest_CommonUsage(state)); quit(1); } i += consumed; } /* Set OpenGL parameters */ state->window_flags |= SDL_WINDOW_OPENGL; state->gl_red_size = 5; state->gl_green_size = 5; state->gl_blue_size = 5; state->gl_depth_size = 16; state->gl_double_buffer = 1; if (fsaa) { state->gl_multisamplebuffers = 1; state->gl_multisamplesamples = fsaa; } if (accel >= 0) { state->gl_accelerated = accel; } if (!SDLTest_CommonInit(state)) { quit(2); } /* Create OpenGL context */ context = SDL_GL_CreateContext(state->windows[0]); if (!context) { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GL_CreateContext(): %s\n", SDL_GetError()); quit(2); } /* Important: call this *after* creating the context */ if (LoadContext(&ctx) < 0) { SDL_Log("Could not load GL functions\n"); quit(2); return 0; } if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) { /* try late-swap-tearing first. If not supported, try normal vsync. */ if (SDL_GL_SetSwapInterval(-1) == -1) { SDL_GL_SetSwapInterval(1); } } else { SDL_GL_SetSwapInterval(0); /* disable vsync. */ } SDL_GetCurrentDisplayMode(0, &mode); SDL_Log("Screen BPP : %d\n", SDL_BITSPERPIXEL(mode.format)); SDL_Log("Swap Interval : %d\n", SDL_GL_GetSwapInterval()); SDL_GetWindowSize(state->windows[0], &dw, &dh); SDL_Log("Window Size : %d,%d\n", dw, dh); SDL_GL_GetDrawableSize(state->windows[0], &dw, &dh); SDL_Log("Draw Size : %d,%d\n", dw, dh); SDL_Log("\n"); SDL_Log("Vendor : %s\n", ctx.glGetString(GL_VENDOR)); SDL_Log("Renderer : %s\n", ctx.glGetString(GL_RENDERER)); SDL_Log("Version : %s\n", ctx.glGetString(GL_VERSION)); SDL_Log("Extensions : %s\n", ctx.glGetString(GL_EXTENSIONS)); SDL_Log("\n"); status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value); if (!status) { SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value); if (!status) { SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value); if (!status) { SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value); if (!status) { SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError()); } if (fsaa) { status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value); if (!status) { SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n", SDL_GetError()); } status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value); if (!status) { SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n", SDL_GetError()); } } if (accel >= 0) { status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value); if (!status) { SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested %d, got %d\n", accel, value); } else { SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n", SDL_GetError()); } } /* Set rendering settings */ ctx.glMatrixMode(GL_PROJECTION); ctx.glLoadIdentity(); ctx.glOrtho(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0); ctx.glMatrixMode(GL_MODELVIEW); ctx.glLoadIdentity(); ctx.glEnable(GL_DEPTH_TEST); ctx.glDepthFunc(GL_LESS); ctx.glShadeModel(GL_SMOOTH); /* Main render loop */ frames = 0; then = SDL_GetTicks(); done = 0; while (!done) { /* Check for events */ ++frames; while (SDL_PollEvent(&event)) { SDLTest_CommonEvent(state, &event, &done); } for (i = 0; i < state->num_windows; ++i) { int w, h; if (state->windows[i] == NULL) continue; SDL_GL_MakeCurrent(state->windows[i], context); SDL_GL_GetDrawableSize(state->windows[i], &w, &h); ctx.glViewport(0, 0, w, h); Render(); SDL_GL_SwapWindow(state->windows[i]); } } /* Print out some timing information */ now = SDL_GetTicks(); if (now > then) { SDL_Log("%2.2f frames per second\n", ((double) frames * 1000) / (now - then)); } quit(0); return 0; }