diff options
| -rw-r--r-- | tests/glfw/Makefile | 5 | ||||
| -rw-r--r-- | tests/glfw/glfwsample.c | 375 |
2 files changed, 379 insertions, 1 deletions
diff --git a/tests/glfw/Makefile b/tests/glfw/Makefile index 85b9067c..9bf06d80 100644 --- a/tests/glfw/Makefile +++ b/tests/glfw/Makefile @@ -11,7 +11,7 @@ SO_LFLAGS = $(SOLIB) EXT = html BINARIES = triangle listmodes mthello pong3d mtbench particles splitview \ - mipmaps gears boing heightmap + mipmaps gears boing heightmap glfwsample ## wave all: $(BINARIES) @@ -51,6 +51,9 @@ wave: wave.c heightmap: heightmap.c $(CC) $(CFLAGS) heightmap.c $(LFLAGS) -o $@.$(EXT) + +glfwsample: glfwsample.c + $(CC) $(CFLAGS) glfwsample.c $(LFLAGS) -o $@.$(EXT) clean: rm -f $(BINARIES) diff --git a/tests/glfw/glfwsample.c b/tests/glfw/glfwsample.c new file mode 100644 index 00000000..38b37cea --- /dev/null +++ b/tests/glfw/glfwsample.c @@ -0,0 +1,375 @@ +#include <stdlib.h> +#include <GL/glfw.h> +#include <stdio.h> + +#ifdef EMSCRIPTEN +#include <emscripten/emscripten.h> +#endif + +void Init(void); +void Shut_Down(int return_code); +int Iteration(void); +void Draw_Square(float red, float green, float blue); +void Draw(void); +void OnKeyPressed( int key, int action ); +void OnCharPressed( int character, int action ); +char* GetKeyName(int key); +char* GetParamName(int param); +int OnClose(); +void OnResize( int width, int height ); +void OnRefresh(); +void OnMouseClick( int button, int action ); +void OnMouseMove( int x, int y ); +void OnMouseWheel( int pos ); +void PullInfo(); +void Iteration_void(); + +int params[] = {GLFW_OPENED, GLFW_ACTIVE, GLFW_ICONIFIED, GLFW_ACCELERATED, GLFW_RED_BITS, GLFW_GREEN_BITS, GLFW_BLUE_BITS, GLFW_ALPHA_BITS, GLFW_DEPTH_BITS, GLFW_STENCIL_BITS, GLFW_REFRESH_RATE, GLFW_ACCUM_RED_BITS, GLFW_ACCUM_GREEN_BITS, GLFW_ACCUM_BLUE_BITS, GLFW_ACCUM_ALPHA_BITS, GLFW_AUX_BUFFERS, GLFW_STEREO, GLFW_WINDOW_NO_RESIZE, GLFW_FSAA_SAMPLES, GLFW_OPENGL_VERSION_MAJOR, GLFW_OPENGL_VERSION_MINOR, GLFW_OPENGL_FORWARD_COMPAT, GLFW_OPENGL_DEBUG_CONTEXT, GLFW_OPENGL_PROFILE}; +unsigned int nb_params = sizeof(params) / sizeof(int); + +int features[] = {GLFW_MOUSE_CURSOR, GLFW_STICKY_KEYS, GLFW_STICKY_MOUSE_BUTTONS, GLFW_SYSTEM_KEYS, GLFW_KEY_REPEAT, GLFW_AUTO_POLL_EVENTS}; +unsigned int nb_features = sizeof(features) / sizeof(int); + +float rotate_y = 0, + rotate_z = 0; +const float rotations_per_tick = .2; +// the time of the previous frame +double old_time; + +int main(void) +{ + Init(); + old_time = glfwGetTime(); +#ifdef EMSCRIPTEN + emscripten_set_main_loop (Iteration_void, 0, 1); +#else + while(Iteration()); +#endif + Shut_Down(0); +} + +void Init() +{ + const int window_width = 800, + window_height = 600; + + if (glfwInit() != GL_TRUE) + Shut_Down(1); + // 800 x 600, 16 bit color, no depth, alpha or stencil buffers, windowed + if (glfwOpenWindow(window_width, window_height, 5, 6, 5, + 0, 0, 0, GLFW_WINDOW) != GL_TRUE) + Shut_Down(1); + glfwSetWindowTitle("The GLFW Window"); + + glfwSetKeyCallback( OnKeyPressed ); + glfwSetCharCallback( OnCharPressed ); + glfwSetWindowCloseCallback(OnClose); + glfwSetWindowSizeCallback(OnResize); + glfwSetWindowRefreshCallback(OnRefresh); + glfwSetMouseWheelCallback(OnMouseWheel); + glfwSetMousePosCallback(OnMouseMove); + glfwSetMouseButtonCallback(OnMouseClick); + + // set the projection matrix to a normal frustum with a max depth of 50 + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + float aspect_ratio = ((float)window_height) / window_width; + glFrustum(.5, -.5, -.5 * aspect_ratio, .5 * aspect_ratio, 1, 50); + glMatrixMode(GL_MODELVIEW); + + PullInfo(); +} + +void Shut_Down(int return_code) +{ + glfwTerminate(); + exit(return_code); +} + +int Iteration() +{ + // calculate time elapsed, and the amount by which stuff rotates + double current_time = glfwGetTime(), + delta_rotate = (current_time - old_time) * rotations_per_tick * 360; + old_time = current_time; + // escape to quit, arrow keys to rotate view + if (glfwGetKey(GLFW_KEY_ESC) == GLFW_PRESS) return 0; + if (glfwGetKey(GLFW_KEY_LEFT) == GLFW_PRESS) + rotate_y += delta_rotate; + if (glfwGetKey(GLFW_KEY_RIGHT) == GLFW_PRESS) + rotate_y -= delta_rotate; + // z axis always rotates + rotate_z += delta_rotate; + + // clear the buffer + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + // draw the figure + Draw(); + // swap back and front buffers + glfwSwapBuffers(); + return 1; +} + +void Iteration_void(){ + Iteration(); +} + +void Draw_Square(float red, float green, float blue) +{ +#ifndef EMSCRIPTEN + // Draws a square with a gradient color at coordinates 0, 10 + glBegin(GL_QUADS); + { + glColor3f(red, green, blue); + glVertex2i(1, 11); + glColor3f(red * .8, green * .8, blue * .8); + glVertex2i(-1, 11); + glColor3f(red * .5, green * .5, blue * .5); + glVertex2i(-1, 9); + glColor3f(red * .8, green * .8, blue * .8); + glVertex2i(1, 9); + } + glEnd(); +#endif +} + +void Draw(void) +{ + // reset view matrix + glLoadIdentity(); + // move view back a bit + glTranslatef(0, 0, -30); + // apply the current rotation + glRotatef(rotate_y, 0, 1, 0); + glRotatef(rotate_z, 0, 0, 1); + // by repeatedly rotating the view matrix during drawing, the + // squares end up in a circle + int i = 0, squares = 15; + float red = 0, blue = 1; + for (; i < squares; ++i){ + glRotatef(360.0/squares, 0, 0, 1); + // colors change for each square + red += 1.0/12; + blue -= 1.0/12; + Draw_Square(red, .6, blue); + } +} + +void OnCharPressed( int character, int action ){ + if(action == GLFW_PRESS) + printf("'%c' is pressed\n", character); + if(action == GLFW_RELEASE) + printf("'%c' is released\n", character); +} + +char* GetKeyName(int key){ + switch(key){ + case GLFW_KEY_UNKNOWN: return "unknown"; + case GLFW_KEY_SPACE: return "space"; + case GLFW_KEY_SPECIAL: return "special"; + case GLFW_KEY_ESC: return "escape"; + case GLFW_KEY_F1 : return "F1"; + case GLFW_KEY_F2 : return "F2"; + case GLFW_KEY_F3 : return "F3"; + case GLFW_KEY_F4 : return "F4"; + case GLFW_KEY_F5 : return "F5"; + case GLFW_KEY_F6 : return "F6"; + case GLFW_KEY_F7 : return "F7"; + case GLFW_KEY_F8 : return "F8"; + case GLFW_KEY_F9 : return "F9"; + case GLFW_KEY_F10: return "F10"; + case GLFW_KEY_F11: return "F11"; + case GLFW_KEY_F12: return "F12"; + case GLFW_KEY_F13: return "F13"; + case GLFW_KEY_F14: return "F14"; + case GLFW_KEY_F15: return "F15"; + case GLFW_KEY_F16: return "F16"; + case GLFW_KEY_F17: return "F17"; + case GLFW_KEY_F18: return "F18"; + case GLFW_KEY_F19: return "F19"; + case GLFW_KEY_F20: return "F20"; + case GLFW_KEY_F21: return "F21"; + case GLFW_KEY_F22: return "F22"; + case GLFW_KEY_F23: return "F23"; + case GLFW_KEY_F24: return "F24"; + case GLFW_KEY_F25: return "F25"; + case GLFW_KEY_UP : return "up"; + case GLFW_KEY_DOWN: return "down"; + case GLFW_KEY_LEFT: return "left"; + case GLFW_KEY_RIGHT: return "right"; + case GLFW_KEY_LSHIFT: return "left shift"; + case GLFW_KEY_RSHIFT: return "right shift"; + case GLFW_KEY_LCTRL: return "left ctrl"; + case GLFW_KEY_RCTRL: return "right ctrl"; + case GLFW_KEY_LALT: return "left alt"; + case GLFW_KEY_RALT: return "right alt"; + case GLFW_KEY_TAB: return "tab"; + case GLFW_KEY_ENTER: return "enter"; + case GLFW_KEY_BACKSPACE: return "backspace"; + case GLFW_KEY_INSERT: return "insertr"; + case GLFW_KEY_DEL: return "del"; + case GLFW_KEY_PAGEUP: return "page up"; + case GLFW_KEY_PAGEDOWN: return "page down"; + case GLFW_KEY_HOME: return "home"; + case GLFW_KEY_END: return "end"; + case GLFW_KEY_KP_0: return "0"; + case GLFW_KEY_KP_1: return "1"; + case GLFW_KEY_KP_2: return "2"; + case GLFW_KEY_KP_3: return "3"; + case GLFW_KEY_KP_4: return "4"; + case GLFW_KEY_KP_5: return "5"; + case GLFW_KEY_KP_6: return "6"; + case GLFW_KEY_KP_7: return "7"; + case GLFW_KEY_KP_8: return "8"; + case GLFW_KEY_KP_9: return "9"; + case GLFW_KEY_KP_DIVIDE: return "/"; + case GLFW_KEY_KP_MULTIPLY: return "*"; + case GLFW_KEY_KP_SUBTRACT: return "-"; + case GLFW_KEY_KP_ADD: return "+"; + case GLFW_KEY_KP_DECIMAL: return "."; + case GLFW_KEY_KP_EQUAL: return "="; + case GLFW_KEY_KP_ENTER: return "enter"; + case GLFW_KEY_KP_NUM_LOCK: return "num lock"; + case GLFW_KEY_CAPS_LOCK: return "caps lock"; + case GLFW_KEY_SCROLL_LOCK: return "scroll lock"; + case GLFW_KEY_PAUSE: return "pause"; + case GLFW_KEY_LSUPER: return "left super"; + case GLFW_KEY_RSUPER: return "right super"; + case GLFW_KEY_MENU: return "menu"; + } + char* chr = malloc(2*sizeof(char)); + chr[0] = key; + chr[1] = '\0'; + return chr; +} + +char* GetParamName(int param){ + switch(param){ + case GLFW_WINDOW : return "GLFW_WINDOW"; + case GLFW_FULLSCREEN : return "GLFW_FULLSCREEN"; + case GLFW_OPENED : return "GLFW_OPENED"; + case GLFW_ACTIVE : return "GLFW_ACTIVE"; + case GLFW_ICONIFIED : return "GLFW_ICONIFIED"; + case GLFW_ACCELERATED : return "GLFW_ACCELERATED"; + case GLFW_RED_BITS : return "GLFW_RED_BITS"; + case GLFW_GREEN_BITS : return "GLFW_GREEN_BITS"; + case GLFW_BLUE_BITS : return "GLFW_BLUE_BITS"; + case GLFW_ALPHA_BITS : return "GLFW_ALPHA_BITS"; + case GLFW_DEPTH_BITS : return "GLFW_DEPTH_BITS"; + case GLFW_STENCIL_BITS : return "GLFW_STENCIL_BITS"; + case GLFW_REFRESH_RATE : return "GLFW_REFRESH_RATE"; + case GLFW_ACCUM_RED_BITS : return "GLFW_ACCUM_RED_BITS"; + case GLFW_ACCUM_GREEN_BITS : return "GLFW_ACCUM_GREEN_BITS"; + case GLFW_ACCUM_BLUE_BITS : return "GLFW_BLUE_BITS"; + case GLFW_ACCUM_ALPHA_BITS : return "GLFW_ALPHA_BITS"; + case GLFW_AUX_BUFFERS : return "GLFW_AUX_BUFFERS"; + case GLFW_STEREO : return "GLFW_STEREO"; + case GLFW_WINDOW_NO_RESIZE : return "GLFW_WINDOW_NO_RESIZE"; + case GLFW_FSAA_SAMPLES : return "GLFW_FSAA_SAMPLES"; + case GLFW_OPENGL_VERSION_MAJOR : return "GLFW_OPENGL_VERSION_MAJOR"; + case GLFW_OPENGL_VERSION_MINOR : return "GLFW_OPENGL_VERSION_MINOR"; + case GLFW_OPENGL_FORWARD_COMPAT : return "GLFW_OPENGL_FORWARD_COMPAT"; + case GLFW_OPENGL_DEBUG_CONTEXT : return "GLFW_OPENGL_DEBUG_CONTEXT"; + case GLFW_OPENGL_PROFILE : return "GLFW_OPENGL_PROFILE"; + case GLFW_OPENGL_CORE_PROFILE : return "GLFW_OPENGL_CORE_PROFILE | GLFW_PRESENT"; + case GLFW_OPENGL_COMPAT_PROFILE : return "GLFW_OPENGL_COMPAT_PROFILE | GLFW_AXES"; + case GLFW_MOUSE_CURSOR : return "GLFW_MOUSE_CURSOR"; + case GLFW_STICKY_KEYS : return "GLFW_STICKY_KEYS"; + case GLFW_STICKY_MOUSE_BUTTONS : return "GLFW_STICKY_MOUSE_BUTTONS"; + case GLFW_SYSTEM_KEYS : return "GLFW_SYSTEM_KEYS"; + case GLFW_KEY_REPEAT : return "GLFW_KEY_REPEAT"; + case GLFW_AUTO_POLL_EVENTS : return "GLFW_AUTO_POLL_EVENTS"; + case GLFW_WAIT : return "GLFW_WAIT"; + case GLFW_NOWAIT : return "GLFW_NOWAIT"; + case GLFW_BUTTONS : return "GLFW_BUTTONS"; + case GLFW_NO_RESCALE_BIT : return "GLFW_NO_RESCALE_BIT"; + case GLFW_ORIGIN_UL_BIT : return "GLFW_ORIGIN_UL_BIT"; + case GLFW_BUILD_MIPMAPS_BIT : return "GLFW_BUILD_MIPMAPS_BIT"; + case GLFW_ALPHA_MAP_BIT : return "GLFW_ALPHA_MAP_BIT"; + default : return "Invalid param"; + } +} +void OnKeyPressed( int key, int action ){ + const char* key_name = GetKeyName(key); + if(key_name == 0) + return; + if(action == GLFW_PRESS) + printf("%s (%i) is pressed\n", key_name, key); + if(action == GLFW_RELEASE) + printf("%s (%i) is released\n", key_name, key); + if(action == GLFW_RELEASE && key == GLFW_KEY_ENTER) + PullInfo(); +} + +int OnClose(){ + printf("Closed\n"); + return 0; +} + +void OnRefresh(){ + printf("Refresh\n"); +} + +void OnResize( int width, int height ){ + printf("Resizing to %i %i\n", width, height); +} + +void OnMouseClick( int button, int action ){ + if(action == GLFW_PRESS) + printf("Mouse button %i has been pressed\n", button); + if(action == GLFW_RELEASE) + printf("Mouse button %i has been released\n", button); +} + +void OnMouseMove( int x, int y ){ + printf("Mouse has been moved to %i %i\n", x, y); +} + +void OnMouseWheel( int pos ){ + printf("Mouse wheel has been moved to %i\n", pos); +} + +void PullInfo(){ + printf("================================================================================\n"); + int major, minor, rev; + glfwGetVersion(&major, &minor, &rev); + printf("GLFW version is %i.%i.%i\n", major, minor, rev); + + int width, height; + glfwGetWindowSize(&width, &height); + printf("Window size is %i %i\n", width, height); + + int status = glfwGetKey(GLFW_KEY_LCTRL); + if(status == GLFW_PRESS) + printf("Left control is pressed\n"); + else + printf("Left control is released\n"); + + status = glfwGetMouseButton(GLFW_MOUSE_BUTTON_1); + if(status == GLFW_PRESS) + printf("Mouse button 1 is pressed\n"); + else + printf("Mouse button 1 is released\n"); + + int x, y; + glfwGetMousePos(&x, &y); + printf("Mouse position is %i %i\n", x, y); + + int wheel = glfwGetMouseWheel(); + printf("Mouse wheel pos is %i\n", wheel); + + double time = glfwGetTime(); + printf("Time is %f\n", time); + + glfwGetGLVersion(&major, &minor, &rev); + printf("GL version is %i.%i.%i\n", major, minor, rev); + + int proc = glfwGetNumberOfProcessors(); + printf("%i processors are available\n", proc); + + unsigned int i; + for(i = 0; i<nb_params; i++) + printf(" - %-27s : %i\n", GetParamName(params[i]), glfwGetWindowParam(params[i])); + + printf("================================================================================\n"); +} |