diff options
Diffstat (limited to '3rdparty/SDL2/test/testrendertarget.c')
-rw-r--r-- | 3rdparty/SDL2/test/testrendertarget.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/3rdparty/SDL2/test/testrendertarget.c b/3rdparty/SDL2/test/testrendertarget.c deleted file mode 100644 index c5e1dce05b7..00000000000 --- a/3rdparty/SDL2/test/testrendertarget.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely. -*/ -/* Simple program: Move N sprites around on the screen as fast as possible */ - -#include <stdlib.h> -#include <stdio.h> -#include <time.h> - -#ifdef __EMSCRIPTEN__ -#include <emscripten/emscripten.h> -#endif - -#include "SDL_test_common.h" - - -static SDLTest_CommonState *state; - -typedef struct { - SDL_Window *window; - SDL_Renderer *renderer; - SDL_Texture *background; - SDL_Texture *sprite; - SDL_Rect sprite_rect; - int scale_direction; -} DrawState; - -DrawState *drawstates; -int done; -SDL_bool test_composite = SDL_FALSE; - -/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ -static void -quit(int rc) -{ - SDLTest_CommonQuit(state); - exit(rc); -} - -SDL_Texture * -LoadTexture(SDL_Renderer *renderer, char *file, SDL_bool transparent) -{ - SDL_Surface *temp; - SDL_Texture *texture; - - /* Load the sprite image */ - temp = SDL_LoadBMP(file); - if (temp == NULL) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s", file, SDL_GetError()); - return NULL; - } - - /* Set transparent pixel as the pixel at (0,0) */ - if (transparent) { - if (temp->format->palette) { - SDL_SetColorKey(temp, SDL_TRUE, *(Uint8 *) temp->pixels); - } else { - switch (temp->format->BitsPerPixel) { - case 15: - SDL_SetColorKey(temp, SDL_TRUE, - (*(Uint16 *) temp->pixels) & 0x00007FFF); - break; - case 16: - SDL_SetColorKey(temp, SDL_TRUE, *(Uint16 *) temp->pixels); - break; - case 24: - SDL_SetColorKey(temp, SDL_TRUE, - (*(Uint32 *) temp->pixels) & 0x00FFFFFF); - break; - case 32: - SDL_SetColorKey(temp, SDL_TRUE, *(Uint32 *) temp->pixels); - break; - } - } - } - - /* Create textures from the image */ - texture = SDL_CreateTextureFromSurface(renderer, temp); - if (!texture) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create texture: %s\n", SDL_GetError()); - SDL_FreeSurface(temp); - return NULL; - } - SDL_FreeSurface(temp); - - /* We're ready to roll. :) */ - return texture; -} - -SDL_bool -DrawComposite(DrawState *s) -{ - SDL_Rect viewport, R; - SDL_Texture *target; - - static SDL_bool blend_tested = SDL_FALSE; - if (!blend_tested) { - SDL_Texture *A, *B; - Uint32 P; - - A = SDL_CreateTexture(s->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, 1, 1); - SDL_SetTextureBlendMode(A, SDL_BLENDMODE_BLEND); - - B = SDL_CreateTexture(s->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, 1, 1); - SDL_SetTextureBlendMode(B, SDL_BLENDMODE_BLEND); - - SDL_SetRenderTarget(s->renderer, A); - SDL_SetRenderDrawColor(s->renderer, 0x00, 0x00, 0x00, 0x80); - SDL_RenderFillRect(s->renderer, NULL); - - SDL_SetRenderTarget(s->renderer, B); - SDL_SetRenderDrawColor(s->renderer, 0x00, 0x00, 0x00, 0x00); - SDL_RenderFillRect(s->renderer, NULL); - SDL_RenderCopy(s->renderer, A, NULL, NULL); - SDL_RenderReadPixels(s->renderer, NULL, SDL_PIXELFORMAT_ARGB8888, &P, sizeof(P)); - - SDL_Log("Blended pixel: 0x%8.8X\n", P); - - SDL_DestroyTexture(A); - SDL_DestroyTexture(B); - blend_tested = SDL_TRUE; - } - - SDL_RenderGetViewport(s->renderer, &viewport); - - target = SDL_CreateTexture(s->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, viewport.w, viewport.h); - SDL_SetTextureBlendMode(target, SDL_BLENDMODE_BLEND); - SDL_SetRenderTarget(s->renderer, target); - - /* Draw the background. - This is solid black so when the sprite is copied to it, any per-pixel alpha will be blended through. - */ - SDL_SetRenderDrawColor(s->renderer, 0x00, 0x00, 0x00, 0x00); - SDL_RenderFillRect(s->renderer, NULL); - - /* Scale and draw the sprite */ - s->sprite_rect.w += s->scale_direction; - s->sprite_rect.h += s->scale_direction; - if (s->scale_direction > 0) { - if (s->sprite_rect.w >= viewport.w || s->sprite_rect.h >= viewport.h) { - s->scale_direction = -1; - } - } else { - if (s->sprite_rect.w <= 1 || s->sprite_rect.h <= 1) { - s->scale_direction = 1; - } - } - s->sprite_rect.x = (viewport.w - s->sprite_rect.w) / 2; - s->sprite_rect.y = (viewport.h - s->sprite_rect.h) / 2; - - SDL_RenderCopy(s->renderer, s->sprite, NULL, &s->sprite_rect); - - SDL_SetRenderTarget(s->renderer, NULL); - SDL_RenderCopy(s->renderer, s->background, NULL, NULL); - - SDL_SetRenderDrawBlendMode(s->renderer, SDL_BLENDMODE_BLEND); - SDL_SetRenderDrawColor(s->renderer, 0xff, 0x00, 0x00, 0x80); - R.x = 0; - R.y = 0; - R.w = 100; - R.h = 100; - SDL_RenderFillRect(s->renderer, &R); - SDL_SetRenderDrawBlendMode(s->renderer, SDL_BLENDMODE_NONE); - - SDL_RenderCopy(s->renderer, target, NULL, NULL); - SDL_DestroyTexture(target); - - /* Update the screen! */ - SDL_RenderPresent(s->renderer); - return SDL_TRUE; -} - -SDL_bool -Draw(DrawState *s) -{ - SDL_Rect viewport; - SDL_Texture *target; - - SDL_RenderGetViewport(s->renderer, &viewport); - - target = SDL_CreateTexture(s->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, viewport.w, viewport.h); - if (!target) { - SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create render target texture: %s\n", SDL_GetError()); - return SDL_FALSE; - } - SDL_SetRenderTarget(s->renderer, target); - - /* Draw the background */ - SDL_RenderCopy(s->renderer, s->background, NULL, NULL); - - /* Scale and draw the sprite */ - s->sprite_rect.w += s->scale_direction; - s->sprite_rect.h += s->scale_direction; - if (s->scale_direction > 0) { - if (s->sprite_rect.w >= viewport.w || s->sprite_rect.h >= viewport.h) { - s->scale_direction = -1; - } - } else { - if (s->sprite_rect.w <= 1 || s->sprite_rect.h <= 1) { - s->scale_direction = 1; - } - } - s->sprite_rect.x = (viewport.w - s->sprite_rect.w) / 2; - s->sprite_rect.y = (viewport.h - s->sprite_rect.h) / 2; - - SDL_RenderCopy(s->renderer, s->sprite, NULL, &s->sprite_rect); - - SDL_SetRenderTarget(s->renderer, NULL); - SDL_RenderCopy(s->renderer, target, NULL, NULL); - SDL_DestroyTexture(target); - - /* Update the screen! */ - SDL_RenderPresent(s->renderer); - return SDL_TRUE; -} - -void -loop() -{ - int i; - SDL_Event event; - - /* Check for events */ - while (SDL_PollEvent(&event)) { - SDLTest_CommonEvent(state, &event, &done); - } - for (i = 0; i < state->num_windows; ++i) { - if (state->windows[i] == NULL) - continue; - if (test_composite) { - if (!DrawComposite(&drawstates[i])) done = 1; - } else { - if (!Draw(&drawstates[i])) done = 1; - } - } -#ifdef __EMSCRIPTEN__ - if (done) { - emscripten_cancel_main_loop(); - } -#endif -} - -int -main(int argc, char *argv[]) -{ - int i; - int frames; - Uint32 then, now; - - /* Enable standard application logging */ - SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); - - /* Initialize test framework */ - state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); - if (!state) { - return 1; - } - for (i = 1; i < argc;) { - int consumed; - - consumed = SDLTest_CommonArg(state, i); - if (consumed == 0) { - consumed = -1; - if (SDL_strcasecmp(argv[i], "--composite") == 0) { - test_composite = SDL_TRUE; - consumed = 1; - } - } - if (consumed < 0) { - SDL_Log("Usage: %s %s [--composite]\n", - argv[0], SDLTest_CommonUsage(state)); - quit(1); - } - i += consumed; - } - if (!SDLTest_CommonInit(state)) { - quit(2); - } - - drawstates = SDL_stack_alloc(DrawState, state->num_windows); - for (i = 0; i < state->num_windows; ++i) { - DrawState *drawstate = &drawstates[i]; - - drawstate->window = state->windows[i]; - drawstate->renderer = state->renderers[i]; - if (test_composite) { - drawstate->sprite = LoadTexture(drawstate->renderer, "icon-alpha.bmp", SDL_TRUE); - } else { - drawstate->sprite = LoadTexture(drawstate->renderer, "icon.bmp", SDL_TRUE); - } - drawstate->background = LoadTexture(drawstate->renderer, "sample.bmp", SDL_FALSE); - if (!drawstate->sprite || !drawstate->background) { - quit(2); - } - SDL_QueryTexture(drawstate->sprite, NULL, NULL, - &drawstate->sprite_rect.w, &drawstate->sprite_rect.h); - drawstate->scale_direction = 1; - } - - /* Main render loop */ - frames = 0; - then = SDL_GetTicks(); - done = 0; - -#ifdef __EMSCRIPTEN__ - emscripten_set_main_loop(loop, 0, 1); -#else - while (!done) { - ++frames; - loop(); - } -#endif - - /* Print out some timing information */ - now = SDL_GetTicks(); - if (now > then) { - double fps = ((double) frames * 1000) / (now - then); - SDL_Log("%2.2f frames per second\n", fps); - } - - SDL_stack_free(drawstates); - - quit(0); - return 0; -} - -/* vi: set ts=4 sw=4 expandtab: */ |