This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
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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]);
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if (SDL_WINDOWPOS_ISUNDEFINED(state->window_x)) {
state->window_x = SDL_WINDOWPOS_UNDEFINED_DISPLAY(state->display);
state->window_y = SDL_WINDOWPOS_UNDEFINED_DISPLAY(state->display);
}
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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);
603
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,
608
SDL_GetPixelFormatName(mode.format));
609
if (Rmask || Gmask || Bmask) {
610
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
611
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
612
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 */
618
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) {
624
SDL_GetDisplayMode(i, j, &mode);
625
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,
630
SDL_GetPixelFormatName(mode.format));
631
if (Rmask || Gmask || Bmask) {
632
fprintf(stderr, " Red Mask = 0x%.8x\n",
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Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
636
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 {
655
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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break;
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case 24:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB24;
break;
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default:
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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();
737
for (j = 0; j < n; ++j) {
738
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");
763
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:
819
fprintf(stderr, "Window %d exposed", event->window.windowID);
820
821
break;
case SDL_WINDOWEVENT_MOVED:
822
fprintf(stderr, "Window %d moved to %d,%d",
823
824
825
826
event->window.windowID, event->window.data1,
event->window.data2);
break;
case SDL_WINDOWEVENT_RESIZED:
827
fprintf(stderr, "Window %d resized to %dx%d",
828
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835
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842
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844
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847
848
849
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851
852
853
854
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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856
857
case SDL_WINDOWEVENT_CLOSE:
fprintf(stderr, "Window %d closed", event->window.windowID);
break;
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859
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864
default:
fprintf(stderr, "Window %d got unknown event %d",
event->window.windowID, event->window.event);
break;
}
break;
case SDL_KEYDOWN:
865
fprintf(stderr,
866
867
"Keyboard: key pressed in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.windowID,
868
869
870
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
871
872
break;
case SDL_KEYUP:
873
fprintf(stderr,
874
875
"Keyboard: key released in window %d: scancode 0x%08X = %s, keycode 0x%08X = %s",
event->key.windowID,
876
877
878
event->key.keysym.scancode,
SDL_GetScancodeName(event->key.keysym.scancode),
event->key.keysym.sym, SDL_GetKeyName(event->key.keysym.sym));
879
880
break;
case SDL_TEXTINPUT:
881
882
fprintf(stderr, "Keyboard: text input \"%s\" in window %d",
event->text.text, event->text.windowID);
883
884
break;
case SDL_MOUSEMOTION:
885
886
fprintf(stderr, "Mouse: moved to %d,%d (%d,%d) in window %d",
event->motion.x, event->motion.y,
887
888
889
890
event->motion.xrel, event->motion.yrel,
event->motion.windowID);
break;
case SDL_MOUSEBUTTONDOWN:
891
892
893
fprintf(stderr, "Mouse: button %d pressed at %d,%d in window %d",
event->button.button, event->button.x, event->button.y,
event->button.windowID);
894
895
break;
case SDL_MOUSEBUTTONUP:
896
897
898
fprintf(stderr, "Mouse: button %d released at %d,%d in window %d",
event->button.button, event->button.x, event->button.y,
event->button.windowID);
899
900
break;
case SDL_MOUSEWHEEL:
901
fprintf(stderr,
902
903
"Mouse: wheel scrolled %d in x and %d in y in window %d",
event->wheel.x, event->wheel.y, event->wheel.windowID);
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
950
951
952
953
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;
954
955
956
case SDL_CLIPBOARDUPDATE:
fprintf(stderr, "Clipboard updated");
break;
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
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)
{
973
974
int i;
975
976
977
978
979
980
981
982
if (state->verbose & VERBOSE_EVENT) {
PrintEvent(event);
}
switch (event->type) {
case SDL_WINDOWEVENT:
switch (event->window.event) {
case SDL_WINDOWEVENT_CLOSE:
983
984
985
986
987
988
{
SDL_Window *pWindow = SDL_GetWindowFromID(event->window.windowID);
if ( pWindow ) {
SDL_DestroyWindow( pWindow );
}
}
989
990
991
992
993
994
break;
}
break;
case SDL_KEYDOWN:
switch (event->key.keysym.sym) {
/* Add hotkeys here */
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");
}