mirror of https://github.com/mode777/rayjs.git
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
#include <bgfx/c99/bgfx.h>
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#include <SDL_syswm.h>
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#include "common.h"
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#include "logo.h"
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static bgfx_platform_data_t get_platform_data(SDL_Window* win);
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uint16_t uint16_max(uint16_t _a, uint16_t _b)
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{
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return _a < _b ? _b : _a;
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}
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int app_init_bgfx(){
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bgfx_init_t init;
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bgfx_init_ctor(&init);
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init.platformData = get_platform_data(app_state.window);
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init.resolution.width = app_config.width;
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init.resolution.height = app_config.height;
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init.resolution.reset = BGFX_RESET_VSYNC;
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// calling render_frame on the same thread before init to force single-threaded mode
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bgfx_render_frame(16);
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bgfx_init(&init);
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//bgfx_reset(WIDTH, HEIGHT, BGFX_RESET_VSYNC, init.resolution.format);
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bgfx_set_debug(BGFX_DEBUG_TEXT);
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bgfx_set_view_clear(0
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, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
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, 0x303030ff
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, 1.0f
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, 0
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);
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return 0;
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}
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int app_update_bgfx(){
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// Set view 0 default viewport.
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bgfx_set_view_rect(0, 0, 0, (uint16_t)app_config.width, (uint16_t)app_config.height);
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// This dummy draw call is here to make sure that view 0 is cleared
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// if no other draw calls are submitted to view 0.
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bgfx_encoder_t* encoder = bgfx_encoder_begin(true);
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bgfx_encoder_touch(encoder, 0);
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bgfx_encoder_end(encoder);
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// Use debug font to print information about this example.
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bgfx_dbg_text_clear(0, false);
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bgfx_dbg_text_image(
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uint16_max( (uint16_t)app_config.width/2/8, 20)-20
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, uint16_max( (uint16_t)app_config.height/2/16, 6)-6
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, 40
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, 12
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, s_logo
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, 160
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);
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bgfx_dbg_text_printf(0, 1, 0x0f, "Color can be changed with ANSI \x1b[9;me\x1b[10;ms\x1b[11;mc\x1b[12;ma\x1b[13;mp\x1b[14;me\x1b[0m code too.");
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bgfx_dbg_text_printf(80, 1, 0x0f, "\x1b[;0m \x1b[;1m \x1b[; 2m \x1b[; 3m \x1b[; 4m \x1b[; 5m \x1b[; 6m \x1b[; 7m \x1b[0m");
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bgfx_dbg_text_printf(80, 2, 0x0f, "\x1b[;8m \x1b[;9m \x1b[;10m \x1b[;11m \x1b[;12m \x1b[;13m \x1b[;14m \x1b[;15m \x1b[0m");
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bgfx_dbg_text_printf(0, 3, 0x1f, "hello-bgfx");
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bgfx_dbg_text_printf(0, 4, 0x3f, "Description: Initialization and debug text with C99 API.");
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// Advance to next frame. Rendering thread will be kicked to
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// process submitted rendering primitives.
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bgfx_frame(false);
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}
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int app_dispose_bgfx(){
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bgfx_shutdown();
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}
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static bgfx_platform_data_t get_platform_data(SDL_Window* win){
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bgfx_platform_data_t pd = {0};
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#if !BX_PLATFORM_EMSCRIPTEN
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SDL_SysWMinfo wmi;
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SDL_VERSION(&wmi.version);
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if (!SDL_GetWindowWMInfo(win, &wmi)) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_SysWMinfo could not be retrieved: %s", SDL_GetError());
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return pd;
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}
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#endif
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#if BX_PLATFORM_WINDOWS
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pd.nwh = wmi.info.win.window;
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#elif BX_PLATFORM_OSX
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pd.nwh = wmi.info.cocoa.window;
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#elif BX_PLATFORM_LINUX
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pd.ndt = wmi.info.x11.display;
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pd.nwh = (void*)(uintptr_t)wmi.info.x11.window;
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#elif BX_PLATFORM_EMSCRIPTEN
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pd.nwh = (void*)"#canvas";
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#endif
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return pd;
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}
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