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240b5fcaab
SDL2/test/testvidinfo.c
Sam Lantinga 52f2433c29 Added an API function to query geometry of multiple monitors: 
SDL_GetDisplayBounds()

Implemented multi-monitor window positions on Windows

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404271
2009-12-06 08:03:38 +00:00

538 lines
16 KiB
C
Raw Blame History

/* Simple program -- figure out what kind of video display we have */
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL.h"
#define NUM_BLITS 10
#define NUM_UPDATES 500
#define FLAG_MASK (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF | \
SDL_SRCCOLORKEY | SDL_SRCALPHA | SDL_RLEACCEL | \
SDL_RLEACCELOK)
#if 0
void
PrintFlags(Uint32 flags)
{
printf("0x%8.8x", (flags & FLAG_MASK));
if (flags & SDL_HWSURFACE) {
printf(" SDL_HWSURFACE");
} else {
printf(" SDL_SWSURFACE");
}
if (flags & SDL_FULLSCREEN) {
printf(" | SDL_FULLSCREEN");
}
if (flags & SDL_DOUBLEBUF) {
printf(" | SDL_DOUBLEBUF");
}
if (flags & SDL_SRCCOLORKEY) {
printf(" | SDL_SRCCOLORKEY");
}
if (flags & SDL_SRCALPHA) {
printf(" | SDL_SRCALPHA");
}
if (flags & SDL_RLEACCEL) {
printf(" | SDL_RLEACCEL");
}
if (flags & SDL_RLEACCELOK) {
printf(" | SDL_RLEACCELOK");
}
}
int
RunBlitTests(SDL_Surface * screen, SDL_Surface * bmp, int blitcount)
{
int i, j;
int maxx;
int maxy;
SDL_Rect dst;
maxx = (int) screen->w - bmp->w + 1;
maxy = (int) screen->h - bmp->h + 1;
for (i = 0; i < NUM_UPDATES; ++i) {
for (j = 0; j < blitcount; ++j) {
if (maxx) {
dst.x = rand() % maxx;
} else {
dst.x = 0;
}
if (maxy) {
dst.y = rand() % maxy;
} else {
dst.y = 0;
}
dst.w = bmp->w;
dst.h = bmp->h;
SDL_BlitSurface(bmp, NULL, screen, &dst);
}
SDL_Flip(screen);
}
return i;
}
int
RunModeTests(SDL_Surface * screen)
{
Uint32 then, now;
Uint32 frames;
float seconds;
int i;
Uint8 r, g, b;
SDL_Surface *bmp, *bmpcc, *tmp;
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* First test fills and screen update speed */
printf("Running color fill and fullscreen update test\n");
then = SDL_GetTicks();
frames = 0;
for (i = 0; i < 256; ++i) {
r = i;
g = 0;
b = 0;
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
SDL_Flip(screen);
++frames;
}
for (i = 0; i < 256; ++i) {
r = 0;
g = i;
b = 0;
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
SDL_Flip(screen);
++frames;
}
for (i = 0; i < 256; ++i) {
r = 0;
g = 0;
b = i;
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
SDL_Flip(screen);
++frames;
}
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames,
seconds, (float) frames / seconds);
} else {
printf("%d fills and flips in zero seconds!n", frames);
}
/* clear the screen after fill test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the generic blit test */
bmp = SDL_LoadBMP("sample.bmp");
if (!bmp) {
printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf("Running freshly loaded blit test: %dx%d at %d bpp, flags: ",
bmp->w, bmp->h, bmp->format->BitsPerPixel);
PrintFlags(bmp->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmp, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds, (float) frames / seconds);
} else {
printf("%d blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
/* clear the screen after blit test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the colorkeyed blit test */
bmpcc = SDL_LoadBMP("sample.bmp");
if (!bmpcc) {
printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf("Running freshly loaded cc blit test: %dx%d at %d bpp, flags: ",
bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel);
SDL_SetColorKey(bmpcc, SDL_SRCCOLORKEY | SDL_RLEACCEL,
*(Uint8 *) bmpcc->pixels);
PrintFlags(bmpcc->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmpcc, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds, (float) frames / seconds);
} else {
printf("%d cc blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
/* clear the screen after cc blit test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the generic blit test */
tmp = bmp;
bmp = SDL_DisplayFormat(bmp);
SDL_FreeSurface(tmp);
if (!bmp) {
printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf("Running display format blit test: %dx%d at %d bpp, flags: ",
bmp->w, bmp->h, bmp->format->BitsPerPixel);
PrintFlags(bmp->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmp, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds, (float) frames / seconds);
} else {
printf("%d blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
/* clear the screen after blit test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the colorkeyed blit test */
tmp = bmpcc;
bmpcc = SDL_DisplayFormat(bmpcc);
SDL_FreeSurface(tmp);
if (!bmpcc) {
printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf("Running display format cc blit test: %dx%d at %d bpp, flags: ",
bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel);
PrintFlags(bmpcc->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmpcc, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds, (float) frames / seconds);
} else {
printf("%d cc blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
/* clear the screen after cc blit test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the alpha blit test only if screen bpp>8 */
if (bmp->format->BitsPerPixel > 8) {
SDL_FreeSurface(bmp);
bmp = SDL_LoadBMP("sample.bmp");
SDL_SetAlpha(bmp, SDL_SRCALPHA, 85); /* 85 - 33% alpha */
tmp = bmp;
bmp = SDL_DisplayFormat(bmp);
SDL_FreeSurface(tmp);
if (!bmp) {
printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf
("Running display format alpha blit test: %dx%d at %d bpp, flags: ",
bmp->w, bmp->h, bmp->format->BitsPerPixel);
PrintFlags(bmp->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmp, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf
("%d alpha blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds,
(float) frames / seconds);
} else {
printf("%d alpha blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
}
/* clear the screen after alpha blit test */
SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
SDL_Flip(screen);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
/* run the cc+alpha blit test only if screen bpp>8 */
if (bmp->format->BitsPerPixel > 8) {
SDL_FreeSurface(bmpcc);
bmpcc = SDL_LoadBMP("sample.bmp");
SDL_SetAlpha(bmpcc, SDL_SRCALPHA, 85); /* 85 - 33% alpha */
SDL_SetColorKey(bmpcc, SDL_SRCCOLORKEY | SDL_RLEACCEL,
*(Uint8 *) bmpcc->pixels);
tmp = bmpcc;
bmpcc = SDL_DisplayFormat(bmpcc);
SDL_FreeSurface(tmp);
if (!bmpcc) {
printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
return 0;
}
printf
("Running display format cc+alpha blit test: %dx%d at %d bpp, flags: ",
bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel);
PrintFlags(bmpcc->flags);
printf("\n");
then = SDL_GetTicks();
frames = RunBlitTests(screen, bmpcc, NUM_BLITS);
now = SDL_GetTicks();
seconds = (float) (now - then) / 1000.0f;
if (seconds > 0.0f) {
printf
("%d cc+alpha blits / %d updates in %2.2f seconds, %2.2f FPS\n",
NUM_BLITS * frames, frames, seconds,
(float) frames / seconds);
} else {
printf("%d cc+alpha blits / %d updates in zero seconds!\n",
NUM_BLITS * frames, frames);
}
}
SDL_FreeSurface(bmpcc);
SDL_FreeSurface(bmp);
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN)
return 0;
}
return 1;
}
void
RunVideoTests()
{
static const struct
{
int w, h, bpp;
} mode_list[] = {
{
640, 480, 8}, {
640, 480, 16}, {
640, 480, 32}, {
800, 600, 8}, {
800, 600, 16}, {
800, 600, 32}, {
1024, 768, 8}, {
1024, 768, 16}, {
1024, 768, 32}
};
static const Uint32 flags[] = {
(SDL_SWSURFACE),
(SDL_SWSURFACE | SDL_FULLSCREEN),
(SDL_HWSURFACE | SDL_FULLSCREEN),
(SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
};
int i, j;
SDL_Surface *screen;
/* Test out several different video mode combinations */
SDL_WM_SetCaption("SDL Video Benchmark", "vidtest");
SDL_ShowCursor(0);
for (i = 0; i < SDL_TABLESIZE(mode_list); ++i) {
for (j = 0; j < SDL_TABLESIZE(flags); ++j) {
printf("===================================\n");
printf("Setting video mode: %dx%d at %d bpp, flags: ",
mode_list[i].w, mode_list[i].h, mode_list[i].bpp);
PrintFlags(flags[j]);
printf("\n");
screen = SDL_SetVideoMode(mode_list[i].w,
mode_list[i].h,
mode_list[i].bpp, flags[j]);
if (!screen) {
printf("Setting video mode failed: %s\n", SDL_GetError());
continue;
}
if ((screen->flags & FLAG_MASK) != flags[j]) {
printf("Flags didn't match: ");
PrintFlags(screen->flags);
printf("\n");
continue;
}
if (!RunModeTests(screen)) {
return;
}
}
}
}
#endif
int
main(int argc, char *argv[])
{
const SDL_VideoInfo *info;
int i, d, n;
const char *driver;
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
int nmodes;
/* Print available video drivers */
n = SDL_GetNumVideoDrivers();
if (n == 0) {
printf("No built-in video drivers\n");
} else {
printf("Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
printf(",");
}
printf(" %s", SDL_GetVideoDriver(i));
}
printf("\n");
}
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
driver = SDL_GetCurrentVideoDriver();
if (driver) {
printf("Video driver: %s\n", driver);
}
printf("Number of displays: %d\n", SDL_GetNumVideoDisplays());
for (d = 0; d < SDL_GetNumVideoDisplays(); ++d) {
SDL_Rect bounds;
SDL_GetDisplayBounds(d, &bounds);
printf("Display %d: %dx%d at %d,%d\n", d,
bounds.w, bounds.h, bounds.x, bounds.y);
SDL_SelectVideoDisplay(d);
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask);
printf(" Current mode: %dx%d@%dHz, %d bits-per-pixel\n", mode.w,
mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
printf(" Red Mask = 0x%.8x\n", Rmask);
printf(" Green Mask = 0x%.8x\n", Gmask);
printf(" Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
printf(" Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
nmodes = SDL_GetNumDisplayModes();
if (nmodes == 0) {
printf("No available fullscreen video modes\n");
} else {
printf(" Fullscreen video modes:\n");
for (i = 0; i < nmodes; ++i) {
SDL_GetDisplayMode(i, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
printf(" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n", i,
mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
printf(" Red Mask = 0x%.8x\n", Rmask);
printf(" Green Mask = 0x%.8x\n", Gmask);
printf(" Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
printf(" Alpha Mask = 0x%.8x\n", Amask);
}
}
}
}
info = SDL_GetVideoInfo();
if (info->wm_available) {
printf("A window manager is available\n");
}
if (info->hw_available) {
printf("Hardware surfaces are available (%dK video memory)\n",
info->video_mem);
}
if (info->blit_hw) {
printf("Copy blits between hardware surfaces are accelerated\n");
}
if (info->blit_hw_CC) {
printf("Colorkey blits between hardware surfaces are accelerated\n");
}
if (info->blit_hw_A) {
printf("Alpha blits between hardware surfaces are accelerated\n");
}
if (info->blit_sw) {
printf
("Copy blits from software surfaces to hardware surfaces are accelerated\n");
}
if (info->blit_sw_CC) {
printf
("Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
}
if (info->blit_sw_A) {
printf
("Alpha blits from software surfaces to hardware surfaces are accelerated\n");
}
if (info->blit_fill) {
printf("Color fills on hardware surfaces are accelerated\n");
}
printf("Current resolution: %dx%d\n", info->current_w, info->current_h);
#if 0
if (argv[1] && (strcmp(argv[1], "-benchmark") == 0)) {
RunVideoTests();
}
#endif
SDL_Quit();
return (0);
}
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