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(deps/switchres) Remove unused files grid.cpp and examples/
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56
deps/switchres/examples/README.md
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56
deps/switchres/examples/README.md
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# ANY OS - BASIC INFORMATION
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## Build libswitchres
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It supports cross compilation, and will build both dynamic and static libs as per the target OS
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```bash
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make libswitchres
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```
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## Basic usage as a client with examples
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libswitchres can be called in 2 different ways (with example code):
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* `test_dlopen.c` -> by explicitely opening a .so/.dll, import the srlib object and call associated functions
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* `test_liblink.c` -> by simply linking libswitchres at build time
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These options are generic whether you build for Linux or Windows
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* -I ../ (to get libswitchres_wrapper.h)
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* -L ../ or -L ./ (for win32, when the dll has been copied in the examples folder)
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* -lswitchres to link the lib if not manually opening it in the code
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#please note#: static libs aven't been tested yet
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# LINUX
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You'll need a few extra parameters for gcc:
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* -ldl (will try later to find a way to statically link libdl.a)
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When running, dont forget to add before the binary LD_LIBRARY_PATH=<libswitchres.so pass, even if it's ./>:$LD_LIBRARY_PATH
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## Examples:
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```bash
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make libswitchres
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cd examples
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g++ -o linux_dl_test test_dlopen.cpp -I ../ -ldl
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LD_LIBRARY_PATH=../:$LD_LIBRARY_PATH ./linux_dl_test
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g++ -o linux_link_lib test_liblink.cpp -I ../ -L../ -lswitchres -ldl
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LD_LIBRARY_PATH=../:$LD_LIBRARY_PATH ./linux_link_lib
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```
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# WINDOWS
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Pretty much the same as Linux, but with mingw64. The resulting exe and dll can be tested with wine
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## Examples (cross-building from windows)
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```
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make PLATFORM=NT CROSS_COMPILE=x86_64-w64-mingw32- libswitchres
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(copy the dll to examples)
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x86_64-w64-mingw32-g++-win32 test_dlopen.cpp -o w32_loaddll.exe -I ../ -static-libgcc -static-libstdc++
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w32_loaddll.exe
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x86_64-w64-mingw32-g++-win32 test_liblink.cpp -o w32_linkdll.exe -I ../ -static-libgcc -static-libstdc++ -L ./ -lswitchres
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w32_linkdll.exe
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```
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Note that, when building w32_linkdll.exe, I couldn't point to another dir else than ./ with -L
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81
deps/switchres/examples/test_dlopen.cpp
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81
deps/switchres/examples/test_dlopen.cpp
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@ -1,81 +0,0 @@
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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#include <cstring> // required for strcpy
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#endif
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#ifdef __linux__
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#define LIBSWR "libswitchres.so"
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#elif _WIN32
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#define LIBSWR "libswitchres.dll"
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#endif
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#include <switchres/switchres_wrapper.h>
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int main(int argc, char** argv) {
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const char* err_msg;
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printf("About to open %s.\n", LIBSWR);
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// Load the lib
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LIBTYPE dlp = OPENLIB(LIBSWR);
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// Loading failed, inform and exit
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if (!dlp) {
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printf("Loading %s failed.\n", LIBSWR);
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printf("Error: %s\n", LIBERROR());
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exit(EXIT_FAILURE);
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}
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printf("Loading %s succeded.\n", LIBSWR);
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// Load the init()
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LIBERROR();
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srAPI* SRobj = (srAPI*)LIBFUNC(dlp, "srlib");
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if ((err_msg = LIBERROR()) != NULL) {
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printf("Failed to load srAPI: %s\n", err_msg);
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CLOSELIB(dlp);
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exit(EXIT_FAILURE);
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}
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// Testing the function
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printf("Init a new switchres_manager object:\n");
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SRobj->init();
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SRobj->sr_init_disp();
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// Call mode + get result values
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int w = 384, h = 224;
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double rr = 59.583393;
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unsigned char interlace = 0, ret;
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sr_mode srm;
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printf("Orignial resolution expected: %dx%d@%f-%d\n", w, h, rr, interlace);
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ret = SRobj->sr_add_mode(w, h, rr, interlace, &srm);
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if(!ret)
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{
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printf("ERROR: couldn't add the required mode. Exiting!\n");
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SRobj->deinit();
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exit(1);
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}
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printf("Got resolution: %dx%d%c@%f\n", srm.width, srm.height, srm.interlace, srm.refresh);
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printf("Press Any Key to switch to new mode\n");
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getchar();
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ret = SRobj->sr_switch_to_mode(srm.width, srm.height, rr, srm.interlace, &srm);
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if(!ret)
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{
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printf("ERROR: couldn't switch to the required mode. Exiting!\n");
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SRobj->deinit();
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exit(1);
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}
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printf("Press Any Key to quit.\n");
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getchar();
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// Clean the mess, kiss goodnight SR
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SRobj->deinit();
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// We're done, let's closer
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CLOSELIB(dlp);
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}
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30
deps/switchres/examples/test_liblink.cpp
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30
deps/switchres/examples/test_liblink.cpp
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#include <stdio.h>
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#include <stdlib.h>
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#include <switchres/switchres_wrapper.h>
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int main(int argc, char** argv) {
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sr_mode srm;
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unsigned char ret;
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sr_init();
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sr_init_disp();
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ret = sr_add_mode(384, 224, 59.63, 0, &srm);
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if(!ret)
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{
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printf("ERROR: couldn't add the required mode. Exiting!\n");
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sr_deinit();
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exit(1);
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}
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printf("SR returned resolution: %dx%d%c@%f\n", srm.width, srm.height, srm.interlace, srm.refresh);
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ret = sr_switch_to_mode(384, 224, 59.63, 0, &srm);
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if(!ret)
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{
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printf("ERROR: couldn't switch to the required mode. Exiting!\n");
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sr_deinit();
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exit(1);
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}
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sr_deinit();
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}
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228
deps/switchres/grid.cpp
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deps/switchres/grid.cpp
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/**************************************************************
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grid.cpp - Simple test grid
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---------------------------------------------------------
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Switchres Modeline generation engine for emulation
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License GPL-2.0+
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Copyright 2010-2021 Chris Kennedy, Antonio Giner,
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Alexandre Wodarczyk, Gil Delescluse
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**************************************************************/
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#define SDL_MAIN_HANDLED
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#define NUM_GRIDS 2
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#include <SDL2/SDL.h>
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typedef struct grid_display
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{
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int index;
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int width;
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int height;
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SDL_Window *window;
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SDL_Renderer *renderer;
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} GRID_DISPLAY;
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//============================================================
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// draw_grid
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//============================================================
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void draw_grid(int num_grid, int width, int height, SDL_Renderer *renderer)
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{
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// Clean the surface
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
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SDL_RenderClear(renderer);
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SDL_Rect rect {0, 0, width, height};
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switch (num_grid)
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{
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case 0:
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// 16 x 12 squares
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{
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// Fill the screen with red
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rect = {0, 0, width, height};
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SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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SDL_RenderFillRect(renderer, &rect);
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// Draw white rectangle
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rect = {width / 32, height / 24 , width - width / 16, height - height / 12};
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderFillRect(renderer, &rect);
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// Draw grid using black rectangles
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SDL_Rect rects[16 * 12];
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// Set the thickness of horizontal and vertical lines based on the screen resolution
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int line_w = round(float(width) / 320.0);
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int line_h = round(float(height) / 240.0);
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if ( line_w < 1 ) line_w = 1;
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if ( line_h < 1 ) line_h = 1;
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float rect_w = (width - line_w * 17) / 16.0;
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float rect_h = (height - line_h * 13) / 12.0;
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for (int i = 0; i < 16; i++)
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{
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int x_pos1 = ceil(i * rect_w);
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int x_pos2 = ceil((i+1) * rect_w);
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for (int j = 0; j < 12; j++)
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{
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int y_pos1 = ceil(j * rect_h);
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int y_pos2 = ceil((j+1) * rect_h);
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rects[i + j * 16] = {x_pos1 + (i+1) * line_w , y_pos1 + (j+1) * line_h, x_pos2 - x_pos1, y_pos2 - y_pos1};
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}
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}
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderFillRects(renderer, rects, 16 * 12);
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}
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break;
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case 1:
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// cps2 grid
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// Draw outer rectangle
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderDrawRect(renderer, &rect);
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for (int i = 0; i < width / 16; i++)
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{
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for (int j = 0; j < height / 16; j++)
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{
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if (i == 0 || j == 0 || i == (width / 16) - 1 || j == (height / 16) - 1)
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SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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else
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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rect = {i * 16, j * 16, 16, 16};
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SDL_RenderDrawRect(renderer, &rect);
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rect = {i * 16 + 7, j * 16 + 7, 2, 2};
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SDL_RenderDrawRect(renderer, &rect);
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}
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}
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break;
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}
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SDL_RenderPresent(renderer);
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}
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//============================================================
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// main
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//============================================================
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int main(int argc, char **argv)
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{
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SDL_Window* win_array[10] = {};
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GRID_DISPLAY display_array[10] = {};
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int display_total = 0;
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// Initialize SDL
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if (SDL_Init(SDL_INIT_VIDEO) != 0)
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{
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printf("error initializing SDL: %s\n", SDL_GetError());
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return 1;
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}
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// Get target displays
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if (argc > 1)
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{
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// Parse command line for display indexes
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int display_index = 0;
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int num_displays = SDL_GetNumVideoDisplays();
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for (int arg = 1; arg < argc; arg++)
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{
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sscanf(argv[arg], "%d", &display_index);
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if (display_index < 0 || display_index > num_displays - 1)
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{
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printf("error, bad display_index: %d\n", display_index);
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return 1;
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}
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display_array[display_total].index = display_index;
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display_total++;
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}
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}
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else
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{
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// No display specified, use default
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display_array[0].index = 0;
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display_total = 1;
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}
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// Create windows
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for (int disp = 0; disp < display_total; disp++)
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{
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// Get target display size
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SDL_DisplayMode dm;
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SDL_GetCurrentDisplayMode(display_array[disp].index, &dm);
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SDL_ShowCursor(SDL_DISABLE);
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display_array[disp].width = dm.w;
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display_array[disp].height = dm.h;
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// Create window
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display_array[disp].window = SDL_CreateWindow("Switchres test grid", SDL_WINDOWPOS_CENTERED_DISPLAY(display_array[disp].index), SDL_WINDOWPOS_CENTERED, dm.w, dm.h, SDL_WINDOW_FULLSCREEN_DESKTOP);
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// Required by Window multi-monitor
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SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
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// Create renderer
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display_array[disp].renderer = SDL_CreateRenderer(display_array[disp].window, -1, SDL_RENDERER_ACCELERATED);
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// Draw grid
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draw_grid(0, display_array[disp].width, display_array[disp].height, display_array[disp].renderer);
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}
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// Wait for escape key
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bool close = false;
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int num_grid = 0;
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while (!close)
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{
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SDL_Event event;
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while (SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_QUIT:
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close = true;
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break;
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case SDL_KEYDOWN:
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switch (event.key.keysym.scancode)
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{
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case SDL_SCANCODE_ESCAPE:
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close = true;
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break;
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case SDL_SCANCODE_TAB:
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num_grid ++;
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for (int disp = 0; disp < display_total; disp++)
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draw_grid(num_grid % NUM_GRIDS, display_array[disp].width, display_array[disp].height, display_array[disp].renderer);
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break;
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default:
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break;
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}
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}
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}
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}
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// Destroy all windows
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for (int disp = 0; disp < display_total; disp++)
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SDL_DestroyWindow(display_array[disp].window);
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SDL_Quit();
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return 0;
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}
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