This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
common.c
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/* A simple test program framework */
#include <stdio.h>
#include "common.h"
#define VIDEO_USAGE \
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"[--video driver] [--renderer driver] [--info all|video|modes|render|event] [--log all|error|system|audio|video|render|input] [--display N] [--fullscreen | --windows N] [--title title] [--icon icon.bmp] [--center | --position X,Y] [--geometry WxH] [--depth N] [--refresh R] [--vsync] [--noframe] [--resize] [--minimize] [--maximize] [--grab]"
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#define AUDIO_USAGE \
"[--rate N] [--format U8|S8|U16|U16LE|U16BE|S16|S16LE|S16BE] [--channels N] [--samples N]"
CommonState *
CommonCreateState(char **argv, Uint32 flags)
{
CommonState *state = SDL_calloc(1, sizeof(*state));
if (!state) {
SDL_OutOfMemory();
return NULL;
}
/* Initialize some defaults */
state->argv = argv;
state->flags = flags;
state->window_title = argv[0];
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state->window_flags = 0;
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state->window_x = SDL_WINDOWPOS_UNDEFINED;
state->window_y = SDL_WINDOWPOS_UNDEFINED;
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state->window_w = DEFAULT_WINDOW_WIDTH;
state->window_h = DEFAULT_WINDOW_HEIGHT;
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state->num_windows = 1;
state->audiospec.freq = 22050;
state->audiospec.format = AUDIO_S16;
state->audiospec.channels = 2;
state->audiospec.samples = 2048;
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/* Set some very sane GL defaults */
state->gl_red_size = 3;
state->gl_green_size = 3;
state->gl_blue_size = 2;
state->gl_alpha_size = 0;
state->gl_buffer_size = 0;
state->gl_depth_size = 16;
state->gl_stencil_size = 0;
state->gl_double_buffer = 1;
state->gl_accum_red_size = 0;
state->gl_accum_green_size = 0;
state->gl_accum_blue_size = 0;
state->gl_accum_alpha_size = 0;
state->gl_stereo = 0;
state->gl_multisamplebuffers = 0;
state->gl_multisamplesamples = 0;
state->gl_retained_backing = 1;
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state->gl_accelerated = -1;
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state->gl_major_version = 2;
state->gl_minor_version = 1;
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return state;
}
int
CommonArg(CommonState * state, int index)
{
char **argv = state->argv;
if (SDL_strcasecmp(argv[index], "--video") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->videodriver = argv[index];
return 2;
}
if (SDL_strcasecmp(argv[index], "--renderer") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->renderdriver = argv[index];
return 2;
}
if (SDL_strcasecmp(argv[index], "--info") == 0) {
++index;
if (!argv[index]) {
return -1;
}
if (SDL_strcasecmp(argv[index], "all") == 0) {
state->verbose |=
(VERBOSE_VIDEO | VERBOSE_MODES | VERBOSE_RENDER |
VERBOSE_EVENT);
return 2;
}
if (SDL_strcasecmp(argv[index], "video") == 0) {
state->verbose |= VERBOSE_VIDEO;
return 2;
}
if (SDL_strcasecmp(argv[index], "modes") == 0) {
state->verbose |= VERBOSE_MODES;
return 2;
}
if (SDL_strcasecmp(argv[index], "render") == 0) {
state->verbose |= VERBOSE_RENDER;
return 2;
}
if (SDL_strcasecmp(argv[index], "event") == 0) {
state->verbose |= VERBOSE_EVENT;
return 2;
}
return -1;
}
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if (SDL_strcasecmp(argv[index], "--log") == 0) {
++index;
if (!argv[index]) {
return -1;
}
if (SDL_strcasecmp(argv[index], "all") == 0) {
SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "error") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_ERROR, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "system") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "audio") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_AUDIO, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "video") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_VIDEO, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "render") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_RENDER, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
if (SDL_strcasecmp(argv[index], "input") == 0) {
SDL_LogSetPriority(SDL_LOG_CATEGORY_INPUT, SDL_LOG_PRIORITY_VERBOSE);
return 2;
}
return -1;
}
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if (SDL_strcasecmp(argv[index], "--display") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->display = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--fullscreen") == 0) {
state->window_flags |= SDL_WINDOW_FULLSCREEN;
state->num_windows = 1;
return 1;
}
if (SDL_strcasecmp(argv[index], "--windows") == 0) {
++index;
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if (!argv[index] || !SDL_isdigit(*argv[index])) {
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return -1;
}
if (!(state->window_flags & SDL_WINDOW_FULLSCREEN)) {
state->num_windows = SDL_atoi(argv[index]);
}
return 2;
}
if (SDL_strcasecmp(argv[index], "--title") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->window_title = argv[index];
return 2;
}
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if (SDL_strcasecmp(argv[index], "--icon") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->window_icon = argv[index];
return 2;
}
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if (SDL_strcasecmp(argv[index], "--center") == 0) {
state->window_x = SDL_WINDOWPOS_CENTERED;
state->window_y = SDL_WINDOWPOS_CENTERED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--position") == 0) {
char *x, *y;
++index;
if (!argv[index]) {
return -1;
}
x = argv[index];
y = argv[index];
while (*y && *y != ',') {
++y;
}
if (!*y) {
return -1;
}
*y++ = '\0';
state->window_x = SDL_atoi(x);
state->window_y = SDL_atoi(y);
return 2;
}
if (SDL_strcasecmp(argv[index], "--geometry") == 0) {
char *w, *h;
++index;
if (!argv[index]) {
return -1;
}
w = argv[index];
h = argv[index];
while (*h && *h != 'x') {
++h;
}
if (!*h) {
return -1;
}
*h++ = '\0';
state->window_w = SDL_atoi(w);
state->window_h = SDL_atoi(h);
return 2;
}
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if (SDL_strcasecmp(argv[index], "--depth") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->depth = SDL_atoi(argv[index]);
return 2;
}
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if (SDL_strcasecmp(argv[index], "--refresh") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->refresh_rate = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--vsync") == 0) {
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state->render_flags |= SDL_RENDERER_PRESENTVSYNC;
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return 1;
}
if (SDL_strcasecmp(argv[index], "--noframe") == 0) {
state->window_flags |= SDL_WINDOW_BORDERLESS;
return 1;
}
if (SDL_strcasecmp(argv[index], "--resize") == 0) {
state->window_flags |= SDL_WINDOW_RESIZABLE;
return 1;
}
if (SDL_strcasecmp(argv[index], "--minimize") == 0) {
state->window_flags |= SDL_WINDOW_MINIMIZED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--maximize") == 0) {
state->window_flags |= SDL_WINDOW_MAXIMIZED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--grab") == 0) {
state->window_flags |= SDL_WINDOW_INPUT_GRABBED;
return 1;
}
if (SDL_strcasecmp(argv[index], "--rate") == 0) {
++index;
if (!argv[index]) {
return -1;
}
state->audiospec.freq = SDL_atoi(argv[index]);
return 2;
}
if (SDL_strcasecmp(argv[index], "--format") == 0) {
++index;
if (!argv[index]) {
return -1;
}
if (SDL_strcasecmp(argv[index], "U8") == 0) {
state->audiospec.format = AUDIO_U8;
return 2;
}
if (SDL_strcasecmp(argv[index], "S8") == 0) {
state->audiospec.format = AUDIO_S8;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16") == 0) {
state->audiospec.format = AUDIO_U16;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16LE") == 0) {
state->audiospec.format = AUDIO_U16LSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "U16BE") == 0) {
state->audiospec.format = AUDIO_U16MSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16") == 0) {
state->audiospec.format = AUDIO_S16;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16LE") == 0) {
state->audiospec.format = AUDIO_S16LSB;
return 2;
}
if (SDL_strcasecmp(argv[index], "S16BE") == 0) {
state->audiospec.format = AUDIO_S16MSB;
return 2;
}
return -1;
}
if (SDL_strcasecmp(argv[index], "--channels") == 0) {
++index;
if (!argv[index]) {
return -1;
}
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state->audiospec.channels = (Uint8) SDL_atoi(argv[index]);
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return 2;
}
if (SDL_strcasecmp(argv[index], "--samples") == 0) {
++index;
if (!argv[index]) {
return -1;
}
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state->audiospec.samples = (Uint16) SDL_atoi(argv[index]);
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return 2;
}
if ((SDL_strcasecmp(argv[index], "-h") == 0)
|| (SDL_strcasecmp(argv[index], "--help") == 0)) {
/* Print the usage message */
return -1;
}
return 0;
}
const char *
CommonUsage(CommonState * state)
{
switch (state->flags & (SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
case SDL_INIT_VIDEO:
return VIDEO_USAGE;
case SDL_INIT_AUDIO:
return AUDIO_USAGE;
case (SDL_INIT_VIDEO | SDL_INIT_AUDIO):
return VIDEO_USAGE " " AUDIO_USAGE;
default:
return "";
}
}
static void
PrintRendererFlag(Uint32 flag)
{
switch (flag) {
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case SDL_RENDERER_PRESENTVSYNC:
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fprintf(stderr, "PresentVSync");
break;
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case SDL_RENDERER_ACCELERATED:
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fprintf(stderr, "Accelerated");
break;
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default:
fprintf(stderr, "0x%8.8x", flag);
break;
}
}
static void
PrintPixelFormat(Uint32 format)
{
switch (format) {
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case SDL_PIXELFORMAT_UNKNOWN:
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fprintf(stderr, "Unknwon");
break;
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case SDL_PIXELFORMAT_INDEX1LSB:
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fprintf(stderr, "Index1LSB");
break;
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case SDL_PIXELFORMAT_INDEX1MSB:
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fprintf(stderr, "Index1MSB");
break;
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case SDL_PIXELFORMAT_INDEX4LSB:
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fprintf(stderr, "Index4LSB");
break;
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case SDL_PIXELFORMAT_INDEX4MSB:
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fprintf(stderr, "Index4MSB");
break;
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case SDL_PIXELFORMAT_INDEX8:
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fprintf(stderr, "Index8");
break;
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case SDL_PIXELFORMAT_RGB332:
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fprintf(stderr, "RGB332");
break;
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case SDL_PIXELFORMAT_RGB444:
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fprintf(stderr, "RGB444");
break;
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case SDL_PIXELFORMAT_RGB555:
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fprintf(stderr, "RGB555");
break;
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case SDL_PIXELFORMAT_BGR555:
fprintf(stderr, "BGR555");
break;
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case SDL_PIXELFORMAT_ARGB4444:
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fprintf(stderr, "ARGB4444");
break;
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case SDL_PIXELFORMAT_ABGR4444:
fprintf(stderr, "ABGR4444");
break;
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case SDL_PIXELFORMAT_ARGB1555:
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fprintf(stderr, "ARGB1555");
break;
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case SDL_PIXELFORMAT_ABGR1555:
fprintf(stderr, "ABGR1555");
break;
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case SDL_PIXELFORMAT_RGB565:
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fprintf(stderr, "RGB565");
break;
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case SDL_PIXELFORMAT_BGR565:
fprintf(stderr, "BGR565");
break;
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case SDL_PIXELFORMAT_RGB24:
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fprintf(stderr, "RGB24");
break;
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case SDL_PIXELFORMAT_BGR24:
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fprintf(stderr, "BGR24");
break;
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case SDL_PIXELFORMAT_RGB888:
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fprintf(stderr, "RGB888");
break;
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case SDL_PIXELFORMAT_BGR888:
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fprintf(stderr, "BGR888");
break;
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case SDL_PIXELFORMAT_ARGB8888:
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fprintf(stderr, "ARGB8888");
break;
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case SDL_PIXELFORMAT_RGBA8888:
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fprintf(stderr, "RGBA8888");
break;
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case SDL_PIXELFORMAT_ABGR8888:
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fprintf(stderr, "ABGR8888");
break;
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case SDL_PIXELFORMAT_BGRA8888:
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fprintf(stderr, "BGRA8888");
break;
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case SDL_PIXELFORMAT_ARGB2101010:
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fprintf(stderr, "ARGB2101010");
break;
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case SDL_PIXELFORMAT_YV12:
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fprintf(stderr, "YV12");
break;
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case SDL_PIXELFORMAT_IYUV:
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fprintf(stderr, "IYUV");
break;
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case SDL_PIXELFORMAT_YUY2:
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fprintf(stderr, "YUY2");
break;
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case SDL_PIXELFORMAT_UYVY:
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fprintf(stderr, "UYVY");
break;
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case SDL_PIXELFORMAT_YVYU:
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fprintf(stderr, "YVYU");
break;
default:
fprintf(stderr, "0x%8.8x", format);
break;
}
}
static void
PrintRenderer(SDL_RendererInfo * info)
{
int i, count;
fprintf(stderr, " Renderer %s:\n", info->name);
fprintf(stderr, " Flags: 0x%8.8X", info->flags);
fprintf(stderr, " (");
count = 0;
for (i = 0; i < sizeof(info->flags) * 8; ++i) {
Uint32 flag = (1 << i);
if (info->flags & flag) {
if (count > 0) {
fprintf(stderr, " | ");
}
PrintRendererFlag(flag);
++count;
}
}
fprintf(stderr, ")\n");
fprintf(stderr, " Texture formats (%d): ", info->num_texture_formats);
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for (i = 0; i < (int) info->num_texture_formats; ++i) {
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if (i > 0) {
fprintf(stderr, ", ");
}
PrintPixelFormat(info->texture_formats[i]);
}
fprintf(stderr, "\n");
if (info->max_texture_width || info->max_texture_height) {
fprintf(stderr, " Max Texture Size: %dx%d\n",
info->max_texture_width, info->max_texture_height);
}
}
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static SDL_Surface *
LoadIcon(const char *file)
{
SDL_Surface *icon;
/* Load the icon surface */
icon = SDL_LoadBMP(file);
if (icon == NULL) {
fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
return (NULL);
}
if (icon->format->palette == NULL) {
fprintf(stderr, "Icon must have a palette!\n");
SDL_FreeSurface(icon);
return (NULL);
}
/* Set the colorkey */
SDL_SetColorKey(icon, 1, *((Uint8 *) icon->pixels));
return (icon);
}
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SDL_bool
CommonInit(CommonState * state)
{
int i, j, m, n;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
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if (SDL_VideoInit(state->videodriver) < 0) {
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fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
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/* Upload GL settings */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, state->gl_red_size);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, state->gl_green_size);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, state->gl_blue_size);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, state->gl_alpha_size);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, state->gl_double_buffer);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, state->gl_buffer_size);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, state->gl_depth_size);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, state->gl_stencil_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE, state->gl_accum_red_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE, state->gl_accum_green_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE, state->gl_accum_blue_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE, state->gl_accum_alpha_size);
SDL_GL_SetAttribute(SDL_GL_STEREO, state->gl_stereo);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, state->gl_multisamplebuffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, state->gl_multisamplesamples);
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if (state->gl_accelerated >= 0) {
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL,
state->gl_accelerated);
}
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SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, state->gl_retained_backing);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, state->gl_major_version);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, state->gl_minor_version);
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if (state->verbose & VERBOSE_MODES) {
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SDL_DisplayMode mode;
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int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d:\n", i);
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SDL_GetDesktopDisplayMode(i, &mode);
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SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
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&Bmask, &Amask);
fprintf(stderr,
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" Current mode: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
mode.w, mode.h, mode.refresh_rate, bpp,
604
SDL_GetPixelFormatName(mode.format));
605
if (Rmask || Gmask || Bmask) {
606
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
607
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
608
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
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if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
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m = SDL_GetNumDisplayModes(i);
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if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
620
SDL_GetDisplayMode(i, j, &mode);
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SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
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&Gmask, &Bmask, &Amask);
fprintf(stderr,
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" Mode %d: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
j, mode.w, mode.h, mode.refresh_rate, bpp,
626
SDL_GetPixelFormatName(mode.format));
627
if (Rmask || Gmask || Bmask) {
628
fprintf(stderr, " Red Mask = 0x%.8x\n",
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Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
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fprintf(stderr, " Blue Mask = 0x%.8x\n",
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Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
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n = SDL_GetNumRenderDrivers();
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if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
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fprintf(stderr, "Built-in render drivers:\n");
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for (i = 0; i < n; ++i) {
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SDL_GetRenderDriverInfo(i, &info);
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PrintRenderer(&info);
}
}
}
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SDL_zero(fullscreen_mode);
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switch (state->depth) {
case 8:
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fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
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break;
case 15:
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fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
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break;
case 16:
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fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
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case 24:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB24;
break;
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fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
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break;
}
fullscreen_mode.refresh_rate = state->refresh_rate;
state->windows =
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(SDL_Window **) SDL_malloc(state->num_windows *
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sizeof(*state->windows));
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state->renderers =
(SDL_Renderer **) SDL_malloc(state->num_windows *
sizeof(*state->renderers));
if (!state->windows || !state->renderers) {
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fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
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if (SDL_SetWindowDisplayMode(state->windows[i], &fullscreen_mode) < 0) {
fprintf(stderr, "Can't set up fullscreen display mode: %s\n",
SDL_GetError());
return SDL_FALSE;
}
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if (state->window_icon) {
SDL_Surface *icon = LoadIcon(state->window_icon);
if (icon) {
SDL_SetWindowIcon(state->windows[i], icon);
SDL_FreeSurface(icon);
}
}
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SDL_ShowWindow(state->windows[i]);
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state->renderers[i] = NULL;
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if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
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m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
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n = SDL_GetNumRenderDrivers();
733
for (j = 0; j < n; ++j) {
734
SDL_GetRenderDriverInfo(j, &info);
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if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
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state->renderers[i] = SDL_CreateRenderer(state->windows[i],
m, state->render_flags);
if (!state->renderers[i]) {
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fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
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if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
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SDL_GetRendererInfo(state->renderers[i], &info);
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PrintRenderer(&info);
}
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}
}
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
static void
PrintEvent(SDL_Event * event)
{
fprintf(stderr, "SDL EVENT: ");
switch (event->type) {
case SDL_WINDOWEVENT:
switch (event->window.event) {
case SDL_WINDOWEVENT_SHOWN:
fprintf(stderr, "Window %d shown", event->window.windowID);
break;
case SDL_WINDOWEVENT_HIDDEN:
fprintf(stderr, "Window %d hidden", event->window.windowID);
break;
case SDL_WINDOWEVENT_EXPOSED:
815
fprintf(stderr, "Window %d exposed", event->window.windowID);
816
817
break;
case SDL_WINDOWEVENT_MOVED:
818
fprintf(stderr, "Window %d moved to %d,%d",
819
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821
822
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_RESIZED:
823
fprintf(stderr, "Window %d resized to %dx%d",
824
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847
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849
850
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_MINIMIZED:
fprintf(stderr, "Window %d minimized", event->window.windowID);
break;
case SDL_WINDOWEVENT_MAXIMIZED:
fprintf(stderr, "Window %d maximized", event->window.windowID);
break;
case SDL_WINDOWEVENT_RESTORED:
fprintf(stderr, "Window %d restored", event->window.windowID);
break;
case SDL_WINDOWEVENT_ENTER:
fprintf(stderr, "Mouse entered window %d",
event->window.windowID);
break;
case SDL_WINDOWEVENT_LEAVE:
fprintf(stderr, "Mouse left window %d", event->window.windowID);
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
fprintf(stderr, "Window %d gained keyboard focus",
event->window.windowID);
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
fprintf(stderr, "Window %d lost keyboard focus",
event->window.windowID);
break;
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853
case SDL_WINDOWEVENT_CLOSE:
fprintf(stderr, "Window %d closed", event->window.windowID);
break;
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856
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858
859
860
default:
fprintf(stderr, "Window %d got unknown event %d",
event->window.windowID, event->window.event);
break;
}
break;
case SDL_KEYDOWN:
861
fprintf(stderr,
862
863
"Keyboard: key pressed in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.windowID,
864
865
866
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
867
868
break;
case SDL_KEYUP:
869
fprintf(stderr,
870
871
"Keyboard: key released in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.windowID,
872
873
874
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
875
876
break;
case SDL_TEXTINPUT:
877
878
fprintf(stderr, "Keyboard: text input \"%s\" in window %d",
event->text.text, event->text.windowID);
879
880
break;
case SDL_MOUSEMOTION:
881
882
fprintf(stderr, "Mouse: moved to %d,%d (%d,%d) in window %d",
event->motion.x, event->motion.y,
883
884
885
886
event->motion.xrel, event->motion.yrel,
event->motion.windowID);
break;
case SDL_MOUSEBUTTONDOWN:
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888
889
fprintf(stderr, "Mouse: button %d pressed at %d,%d in window %d",
event->button.button, event->button.x, event->button.y,
event->button.windowID);
890
891
break;
case SDL_MOUSEBUTTONUP:
892
893
894
fprintf(stderr, "Mouse: button %d released at %d,%d in window %d",
event->button.button, event->button.x, event->button.y,
event->button.windowID);
895
896
break;
case SDL_MOUSEWHEEL:
897
fprintf(stderr,
898
899
"Mouse: wheel scrolled %d in x and %d in y in window %d",
event->wheel.x, event->wheel.y, event->wheel.windowID);
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
break;
case SDL_JOYBALLMOTION:
fprintf(stderr, "Joystick %d: ball %d moved by %d,%d",
event->jball.which, event->jball.ball, event->jball.xrel,
event->jball.yrel);
break;
case SDL_JOYHATMOTION:
fprintf(stderr, "Joystick %d: hat %d moved to ", event->jhat.which,
event->jhat.hat);
switch (event->jhat.value) {
case SDL_HAT_CENTERED:
fprintf(stderr, "CENTER");
break;
case SDL_HAT_UP:
fprintf(stderr, "UP");
break;
case SDL_HAT_RIGHTUP:
fprintf(stderr, "RIGHTUP");
break;
case SDL_HAT_RIGHT:
fprintf(stderr, "RIGHT");
break;
case SDL_HAT_RIGHTDOWN:
fprintf(stderr, "RIGHTDOWN");
break;
case SDL_HAT_DOWN:
fprintf(stderr, "DOWN");
break;
case SDL_HAT_LEFTDOWN:
fprintf(stderr, "LEFTDOWN");
break;
case SDL_HAT_LEFT:
fprintf(stderr, "LEFT");
break;
case SDL_HAT_LEFTUP:
fprintf(stderr, "LEFTUP");
break;
default:
fprintf(stderr, "UNKNOWN");
break;
}
break;
case SDL_JOYBUTTONDOWN:
fprintf(stderr, "Joystick %d: button %d pressed",
event->jbutton.which, event->jbutton.button);
break;
case SDL_JOYBUTTONUP:
fprintf(stderr, "Joystick %d: button %d released",
event->jbutton.which, event->jbutton.button);
break;
950
951
952
case SDL_CLIPBOARDUPDATE:
fprintf(stderr, "Clipboard updated");
break;
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
case SDL_QUIT:
fprintf(stderr, "Quit requested");
break;
case SDL_USEREVENT:
fprintf(stderr, "User event %d", event->user.code);
break;
default:
fprintf(stderr, "Unknown event %d", event->type);
break;
}
fprintf(stderr, "\n");
}
void
CommonEvent(CommonState * state, SDL_Event * event, int *done)
{
969
970
int i;
971
972
973
974
975
976
977
978
if (state->verbose & VERBOSE_EVENT) {
PrintEvent(event);
}
switch (event->type) {
case SDL_WINDOWEVENT:
switch (event->window.event) {
case SDL_WINDOWEVENT_CLOSE:
979
980
981
982
983
984
{
SDL_Window *pWindow = SDL_GetWindowFromID(event->window.windowID);
if ( pWindow ) {
SDL_DestroyWindow( pWindow );
}
}
985
986
987
988
989
990
break;
}
break;
case SDL_KEYDOWN:
switch (event->key.keysym.sym) {
/* Add hotkeys here */
991
992
993
994
995
996
997
998
999
1000
case SDLK_c:
if (event->key.keysym.mod & KMOD_CTRL) {
/* Ctrl-C copy awesome text! */
SDL_SetClipboardText("SDL rocks!\nYou know it!");
printf("Copied text to clipboard\n");
}
break;
case SDLK_v:
if (event->key.keysym.mod & KMOD_CTRL) {
/* Ctrl-V paste awesome text! */