diff options
Diffstat (limited to 'src/VBox/Frontends/VBoxSDL/VBoxSDLTest.cpp')
| -rw-r--r-- | src/VBox/Frontends/VBoxSDL/VBoxSDLTest.cpp | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/src/VBox/Frontends/VBoxSDL/VBoxSDLTest.cpp b/src/VBox/Frontends/VBoxSDL/VBoxSDLTest.cpp new file mode 100644 index 00000000..fdfeb8a1 --- /dev/null +++ b/src/VBox/Frontends/VBoxSDL/VBoxSDLTest.cpp @@ -0,0 +1,478 @@ +/* $Id: VBoxSDLTest.cpp $ */ +/** @file + * + * VBox frontends: VBoxSDL (simple frontend based on SDL): + * VBoxSDL testcases + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable:4121) +#endif +#if defined(RT_OS_WINDOWS) /// @todo someone please explain why we don't follow the book! +# define _SDL_main_h +#endif +#include <SDL.h> +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +#include <iprt/assert.h> +#include <iprt/env.h> +#include <iprt/initterm.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/time.h> + +#include <stdlib.h> +#include <signal.h> + +#ifdef VBOX_OPENGL +#include "SDL_opengl.h" +#endif + +#ifdef RT_OS_WINDOWS +#define ESC_NORM +#define ESC_BOLD +#else +#define ESC_NORM "\033[m" +#define ESC_BOLD "\033[1m" +#endif + +static SDL_Surface *gSurfVRAM; /* SDL virtual framebuffer surface */ +static void *gPtrVRAM; /* allocated virtual framebuffer */ +static SDL_Surface *gScreen; /* SDL screen surface */ +static unsigned long guGuestXRes; /* virtual framebuffer width */ +static unsigned long guGuestYRes; /* virtual framebuffer height */ +static unsigned long guGuestBpp; /* virtual framebuffer bits per pixel */ +static unsigned long guMaxScreenWidth; /* max screen width SDL allows */ +static unsigned long guMaxScreenHeight; /* max screen height SDL allows */ +static int gfResizable = 1; /* SDL window is resizable */ +static int gfFullscreen = 0; /* use fullscreen mode */ +#ifdef VBOX_OPENGL +static unsigned long guTextureWidth; /* width of OpenGL texture */ +static unsigned long guTextureHeight; /* height of OpenGL texture */ +static unsigned int gTexture; +static int gfOpenGL; /* use OpenGL as backend */ +#endif +static unsigned int guLoop = 1000; /* Number of frame redrawings for each test */ + +static void bench(unsigned long w, unsigned long h, unsigned long bpp); +static void benchExecute(void); +static int checkSDL(const char *fn, int rc); +static void checkEvents(void); + +int +main(int argc, char **argv) +{ + int rc; + RTR3InitExe(argc, &argv, 0); + + for (int i = 1; i < argc; i++) + { +#ifdef VBOX_OPENGL + if (strcmp(argv[i], "-gl") == 0) + { + gfOpenGL = 1; + continue; + } +#endif + if (strcmp(argv[i], "-loop") == 0 && ++i < argc) + { + guLoop = atoi(argv[i]); + continue; + } + RTPrintf("Unrecognized option '%s'\n", argv[i]); + return -1; + } + +#ifdef RT_OS_WINDOWS + /* Default to DirectX if nothing else set. "windib" would be possible. */ + if (!RTEnvExist("SDL_VIDEODRIVER")) + { + _putenv("SDL_VIDEODRIVER=directx"); + } +#endif + +#ifdef RT_OS_WINDOWS + _putenv("SDL_VIDEO_WINDOW_POS=0,0"); +#else + RTEnvSet("SDL_VIDEO_WINDOW_POS", "0,0"); +#endif + + rc = SDL_InitSubSystem(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE); + if (rc != 0) + { + RTPrintf("Error: SDL_InitSubSystem failed with message '%s'\n", SDL_GetError()); + return -1; + } + + /* output what SDL is capable of */ + const SDL_VideoInfo *videoInfo = SDL_GetVideoInfo(); + + if (!videoInfo) + { + RTPrintf("No SDL video info available!\n"); + return -1; + } + + RTPrintf("SDL capabilities:\n"); + RTPrintf(" Hardware surface support: %s\n", videoInfo->hw_available ? "yes" : "no"); + RTPrintf(" Window manager available: %s\n", videoInfo->wm_available ? "yes" : "no"); + RTPrintf(" Screen to screen blits accelerated: %s\n", videoInfo->blit_hw ? "yes" : "no"); + RTPrintf(" Screen to screen colorkey blits accelerated: %s\n", videoInfo->blit_hw_CC ? "yes" : "no"); + RTPrintf(" Screen to screen alpha blits accelerated: %s\n", videoInfo->blit_hw_A ? "yes" : "no"); + RTPrintf(" Memory to screen blits accelerated: %s\n", videoInfo->blit_sw ? "yes" : "no"); + RTPrintf(" Memory to screen colorkey blits accelerated: %s\n", videoInfo->blit_sw_CC ? "yes" : "no"); + RTPrintf(" Memory to screen alpha blits accelerated: %s\n", videoInfo->blit_sw_A ? "yes" : "no"); + RTPrintf(" Color fills accelerated: %s\n", videoInfo->blit_fill ? "yes" : "no"); + RTPrintf(" Video memory in kilobytes: %d\n", videoInfo->video_mem); + RTPrintf(" Optimal bpp mode: %d\n", videoInfo->vfmt->BitsPerPixel); + char buf[256]; + RTPrintf("Video driver SDL_VIDEODRIVER / active: %s/%s\n", RTEnvGet("SDL_VIDEODRIVER"), + SDL_VideoDriverName(buf, sizeof(buf))); + + RTPrintf("\n" + "Starting tests. Any key pressed inside the SDL window will abort this\n" + "program at the end of the current test. Iterations = %u\n", guLoop); + +#ifdef VBOX_OPENGL + RTPrintf("\n========== "ESC_BOLD"OpenGL is %s"ESC_NORM" ==========\n", + gfOpenGL ? "ON" : "OFF"); +#endif + bench( 640, 480, 16); bench( 640, 480, 24); bench( 640, 480, 32); + bench(1024, 768, 16); bench(1024, 768, 24); bench(1024, 768, 32); + bench(1280, 1024, 16); bench(1280, 1024, 24); bench(1280, 1024, 32); + + RTPrintf("\nSuccess!\n"); + return 0; +} + +/** + * Method that does the actual resize of the guest framebuffer and + * then changes the SDL framebuffer setup. + */ +static void bench(unsigned long w, unsigned long h, unsigned long bpp) +{ + Uint32 Rmask, Gmask, Bmask, Amask = 0; + Uint32 Rsize, Gsize, Bsize; + Uint32 newWidth, newHeight; + + guGuestXRes = w; + guGuestYRes = h; + guGuestBpp = bpp; + + RTPrintf("\n"); + + /* a different format we support directly? */ + switch (guGuestBpp) + { + case 16: + { + Rmask = 0xF800; + Gmask = 0x07E0; + Bmask = 0x001F; + Amask = 0x0000; + Rsize = 5; + Gsize = 6; + Bsize = 5; + break; + } + + case 24: + { + Rmask = 0x00FF0000; + Gmask = 0x0000FF00; + Bmask = 0x000000FF; + Amask = 0x00000000; + Rsize = 8; + Gsize = 8; + Bsize = 8; + break; + } + + default: + Rmask = 0x00FF0000; + Gmask = 0x0000FF00; + Bmask = 0x000000FF; + Amask = 0x00000000; + Rsize = 8; + Gsize = 8; + Bsize = 8; + break; + } + + int sdlFlags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL; +#ifdef VBOX_OPENGL + if (gfOpenGL) + sdlFlags |= SDL_OPENGL; +#endif + if (gfResizable) + sdlFlags |= SDL_RESIZABLE; + if (gfFullscreen) + sdlFlags |= SDL_FULLSCREEN; + + /* + * Now we have to check whether there are video mode restrictions + */ + SDL_Rect **modes; + /* Get available fullscreen/hardware modes */ + modes = SDL_ListModes(NULL, sdlFlags); + if (modes == NULL) + { + RTPrintf("Error: SDL_ListModes failed with message '%s'\n", SDL_GetError()); + return; + } + + /* -1 means that any mode is possible (usually non fullscreen) */ + if (modes != (SDL_Rect **)-1) + { + /* + * according to the SDL documentation, the API guarantees that + * the modes are sorted from larger to smaller, so we just + * take the first entry as the maximum. + */ + guMaxScreenWidth = modes[0]->w; + guMaxScreenHeight = modes[0]->h; + } + else + { + /* no restriction */ + guMaxScreenWidth = ~0U; + guMaxScreenHeight = ~0U; + } + + newWidth = RT_MIN(guMaxScreenWidth, guGuestXRes); + newHeight = RT_MIN(guMaxScreenHeight, guGuestYRes); + + /* + * Now set the screen resolution and get the surface pointer + * @todo BPP is not supported! + */ +#ifdef VBOX_OPENGL + if (gfOpenGL) + { + checkSDL("SDL_GL_SetAttribute", SDL_GL_SetAttribute(SDL_GL_RED_SIZE, Rsize)); + checkSDL("SDL_GL_SetAttribute", SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, Gsize)); + checkSDL("SDL_GL_SetAttribute", SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, Bsize)); + checkSDL("SDL_GL_SetAttribute", SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0)); + } +#else + NOREF(Rsize); NOREF(Gsize); NOREF(Bsize); +#endif + + RTPrintf("Testing " ESC_BOLD "%ldx%ld@%ld" ESC_NORM "\n", guGuestXRes, guGuestYRes, guGuestBpp); + + gScreen = SDL_SetVideoMode(newWidth, newHeight, 0, sdlFlags); + if (!gScreen) + { + RTPrintf("SDL_SetVideoMode failed (%s)\n", SDL_GetError()); + return; + } + + /* first free the current surface */ + if (gSurfVRAM) + { + SDL_FreeSurface(gSurfVRAM); + gSurfVRAM = NULL; + } + if (gPtrVRAM) + { + free(gPtrVRAM); + gPtrVRAM = NULL; + } + + if (gScreen->format->BitsPerPixel != guGuestBpp) + { + /* Create a source surface from guest VRAM. */ + int bytes_per_pixel = (guGuestBpp + 7) / 8; + gPtrVRAM = malloc(guGuestXRes * guGuestYRes * bytes_per_pixel); + gSurfVRAM = SDL_CreateRGBSurfaceFrom(gPtrVRAM, guGuestXRes, guGuestYRes, guGuestBpp, + bytes_per_pixel * guGuestXRes, + Rmask, Gmask, Bmask, Amask); + } + else + { + /* Create a software surface for which SDL allocates the RAM */ + gSurfVRAM = SDL_CreateRGBSurface(SDL_SWSURFACE, guGuestXRes, guGuestYRes, guGuestBpp, + Rmask, Gmask, Bmask, Amask); + } + + if (!gSurfVRAM) + { + RTPrintf("Failed to allocate surface %ldx%ld@%ld\n", + guGuestXRes, guGuestYRes, guGuestBpp); + return; + } + + RTPrintf(" gScreen=%dx%d@%d (surface: %s)\n", + gScreen->w, gScreen->h, gScreen->format->BitsPerPixel, + (gScreen->flags & SDL_HWSURFACE) == 0 ? "software" : "hardware"); + + SDL_Rect rect = { 0, 0, (Uint16)guGuestXRes, (Uint16)guGuestYRes }; + checkSDL("SDL_FillRect", + SDL_FillRect(gSurfVRAM, &rect, + SDL_MapRGB(gSurfVRAM->format, 0x5F, 0x6F, 0x1F))); + +#ifdef VBOX_OPENGL + if (gfOpenGL) + { + int r, g, b, d, o; + SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &r); + SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &g); + SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &b); + SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &d); + SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &o); + RTPrintf(" OpenGL ctxt red=%d, green=%d, blue=%d, depth=%d, dbl=%d", r, g, b, d, o); + + glEnable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + glDisable(GL_DEPTH_TEST); + glDepthMask(GL_FALSE); + glGenTextures(1, &gTexture); + glBindTexture(GL_TEXTURE_2D, gTexture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + + for (guTextureWidth = 32; guTextureWidth < newWidth; guTextureWidth <<= 1) + ; + for (guTextureHeight = 32; guTextureHeight < newHeight; guTextureHeight <<= 1) + ; + RTPrintf(", tex %ldx%ld\n", guTextureWidth, guTextureHeight); + + switch (guGuestBpp) + { + case 16: glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB5, guTextureWidth, guTextureHeight, 0, + GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 0); + break; + case 24: glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, guTextureWidth, guTextureHeight, 0, + GL_BGR, GL_UNSIGNED_BYTE, 0); + break; + case 32: glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, guTextureWidth, guTextureHeight, 0, + GL_BGRA, GL_UNSIGNED_BYTE, 0); + break; + default: RTPrintf("guGuestBpp=%d?\n", guGuestBpp); + return; + } + + glViewport(0, 0, newWidth, newHeight); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(0.0, newWidth, newHeight, 0.0, -1.0, 1.0); + } +#endif + + checkEvents(); + benchExecute(); + +#ifdef VBOX_OPENGL + if (gfOpenGL) + { + glDeleteTextures(1, &gTexture); + } +#endif +} + +static void benchExecute() +{ + SDL_Rect rect = { 0, 0, (Uint16)guGuestXRes, (Uint16)guGuestYRes }; + RTTIMESPEC t1, t2; + + RTTimeNow(&t1); + for (unsigned i=0; i<guLoop; i++) + { +#ifdef VBOX_OPENGL + if (!gfOpenGL) + { +#endif + /* SDL backend */ + checkSDL("SDL_BlitSurface", SDL_BlitSurface(gSurfVRAM, &rect, gScreen, &rect)); + if ((gScreen->flags & SDL_HWSURFACE) == 0) + SDL_UpdateRect(gScreen, rect.x, rect.y, rect.w, rect.h); +#ifdef VBOX_OPENGL + } + else + { + /* OpenGL backend */ + glBindTexture(GL_TEXTURE_2D, gTexture); + glPixelStorei(GL_UNPACK_SKIP_PIXELS, rect.x); + glPixelStorei(GL_UNPACK_SKIP_ROWS, rect.y); + glPixelStorei(GL_UNPACK_ROW_LENGTH, gSurfVRAM->pitch / gSurfVRAM->format->BytesPerPixel); + switch (gSurfVRAM->format->BitsPerPixel) + { + case 16: glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rect.w, rect.h, + GL_RGB, GL_UNSIGNED_SHORT_5_6_5, gSurfVRAM->pixels); + break; + case 24: glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rect.w, rect.h, + GL_BGR, GL_UNSIGNED_BYTE, gSurfVRAM->pixels); + break; + case 32: glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rect.w, rect.h, + GL_BGRA, GL_UNSIGNED_BYTE, gSurfVRAM->pixels); + break; + default: RTPrintf("BitsPerPixel=%d?\n", gSurfVRAM->format->BitsPerPixel); + return; + } + GLfloat tx = (GLfloat)((float)rect.w) / guTextureWidth; + GLfloat ty = (GLfloat)((float)rect.h) / guTextureHeight; + glBegin(GL_QUADS); + glColor4f(1.0, 1.0, 1.0, 1.0); + glTexCoord2f(0.0, 0.0); glVertex2i(rect.x, rect.y ); + glTexCoord2f(0.0, ty); glVertex2i(rect.x, rect.y + rect.h); + glTexCoord2f(tx, ty); glVertex2i(rect.x + rect.w, rect.y + rect.h); + glTexCoord2f(tx, 0.0); glVertex2i(rect.x + rect.w, rect.y ); + glEnd(); + glFlush(); + } +#endif + } + RTTimeNow(&t2); + int64_t ms = RTTimeSpecGetMilli(&t2) - RTTimeSpecGetMilli(&t1); + printf(" %.1fms/frame\n", (double)ms / guLoop); +} + +static int checkSDL(const char *fn, int rc) +{ + if (rc == -1) + RTPrintf("" ESC_BOLD "%s() failed:" ESC_NORM " '%s'\n", fn, SDL_GetError()); + + return rc; +} + +static void checkEvents(void) +{ + SDL_Event event; + while (SDL_PollEvent(&event)) + { + switch (event.type) + { + case SDL_KEYDOWN: + RTPrintf("\nKey pressed, exiting ...\n"); + exit(-1); + break; + } + } +} |