ref: a5f65d4218f9e45229c7012e08423f3af37d1676
parent: 6d8dd558a48dc4cf90b80b339fd2360770a8688f
author: Alibek Omarov <a1ba.omarov@gmail.com>
date: Sun Sep 2 19:04:55 EDT 2018
player: sdl2 port
--- a/player/build.sh
+++ b/player/build.sh
@@ -1,1 +1,1 @@
-gcc -O2 -o player *.cpp *.c -lstdc++ -lglfw -lGL -lpthread -lm -ldl -lSDL2
\ No newline at end of file
+gcc -O2 -o player *.cpp *.c -lstdc++ -lGL -lpthread -lm -ldl -lSDL2
--- a/player/player.cpp
+++ b/player/player.cpp
@@ -3,8 +3,8 @@
#include <string>
#include <map>
#include <vector>
+#include <SDL2/SDL.h>
#include "glad.h"
-#include <GLFW/glfw3.h>
#if defined(__APPLE__)
#define USE_GLES3
#include <OpenGL/gl3.h>
@@ -23,9 +23,9 @@
#define NK_INCLUDE_FONT_BAKING
#define NK_INCLUDE_DEFAULT_FONT
#define NK_IMPLEMENTATION
-#define NK_GLFW_GL3_IMPLEMENTATION
+#define NK_SDL_GL3_IMPLEMENTATION
#include "nuklear.h"
-#include "nuklear_glfw_gl3.h"
+#include "nuklear_sdl_gl3.h"
#include "style.h"
#define MAX_VERTEX_BUFFER 512 * 1024
@@ -35,10 +35,12 @@
static PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
#endif
static void *_ctx;
-static GLFWwindow *_mainWindow;
+static SDL_Window *_mainWindow;
+static SDL_GLContext _mainContext;
static std::map<std::string, int> _previews;
static std::vector<std::string> _playlist;
static void *_render;
+static bool _closeNextFrame;
decoder _dec;
static int load_image(const stbi_uc *data, int len)
@@ -66,69 +68,88 @@
static void close()
{
- glfwMakeContextCurrent(_mainWindow);
+ nk_sdl_shutdown();
+ SDL_GL_MakeCurrent(_mainWindow, _mainContext);
for (auto it = _previews.begin(); it != _previews.end(); it++)
{
GLuint tex = it->second;
glDeleteTextures(1, &tex);
}
- glfwDestroyWindow(_mainWindow);
- glfwTerminate();
+ SDL_GL_DeleteContext(_mainContext);
+ SDL_DestroyWindow(_mainWindow);
+ SDL_Quit();
}
static int init()
{
- if (!glfwInit())
+ SDL_SetHint(SDL_HINT_VIDEO_HIGHDPI_DISABLED, "0");
+ if (!SDL_Init(SDL_INIT_VIDEO) < 0)
{
- printf("error: glfw init failed\n");
+ printf("error: sdl2 video init failed %s\n", SDL_GetError());
return false;
}
#ifdef USE_GLES3
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
- glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
- glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+ // SDL_GL_SetAttribute(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#else
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#endif
- glfwWindowHint(GLFW_RESIZABLE, 1);
- _mainWindow = glfwCreateWindow(400, 600, "Lion Audio Player", NULL, NULL);
+ _mainWindow = SDL_CreateWindow("Lion Audio Player", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 600, SDL_WINDOW_RESIZABLE|SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN|SDL_WINDOW_ALLOW_HIGHDPI);
if (!_mainWindow)
{
- printf("error: create window failed\n"); fflush(stdout);
+ printf("error: create window failed: %s\n", SDL_GetError());
+ fflush(stdout);
exit(1);
}
- glfwMakeContextCurrent(_mainWindow);
+ if((_mainContext = SDL_GL_CreateContext(_mainWindow)) == NULL)
+ {
+ printf("error: create context failed: %s\n", SDL_GetError());
+ fflush(stdout);
+ exit(1);
+ }
+ SDL_GL_MakeCurrent(_mainWindow, _mainContext);
+
#ifdef USE_GLES3
- glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)glfwGetProcAddress("glGenerateMipmap");
+ glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)SDL_GL_GetProcAddress("glGenerateMipmap");
#endif
- glfwSetInputMode(_mainWindow, GLFW_STICKY_MOUSE_BUTTONS, 1);
gladLoadGL();
- _ctx = (void*)nk_glfw3_init(_mainWindow, NK_GLFW3_INSTALL_CALLBACKS);
+ _ctx = (void*)nk_sdl_init(_mainWindow);
struct nk_font_atlas *atlas;
struct nk_font_config fconfig = nk_font_config(20);
fconfig.range = nk_font_cyrillic_glyph_ranges();
- nk_glfw3_font_stash_begin(&atlas);
+ nk_sdl_font_stash_begin(&atlas);
atlas->default_font = nk_font_atlas_add_from_memory(atlas, FreeSans, FreeSansLen, 20, &fconfig);;
- nk_glfw3_font_stash_end();
+ nk_sdl_font_stash_end();
}
static void tick()
{
- //glfwMakeContextCurrent(_mainWindow);
+ nk_context *ctx = (nk_context *)_ctx;
+
float bg[4];
nk_color_fv(bg, nk_rgb(28,48,62));
int width, height, i;
- glfwGetWindowSize(_mainWindow, &width, &height);
+ SDL_GL_GetDrawableSize(_mainWindow, &width, &height);
glViewport(0, 0, width, height);
glClearColor(bg[0], bg[1], bg[2], bg[3]);
glClear(GL_COLOR_BUFFER_BIT);
- glfwPollEvents();
+
+ // Run events
+ SDL_Event event;
+ nk_input_begin(ctx);
+ while(SDL_PollEvent(&event))
+ {
+ nk_sdl_handle_event(&event);
+
+ if(event.type == SDL_QUIT)
+ _closeNextFrame = true;
+ }
+ nk_input_end(ctx);
- nk_context *ctx = (nk_context *)_ctx;
- nk_glfw3_new_frame();
if (nk_begin(ctx, "Player", nk_rect(0, 0, width, height), 0))
{
nk_layout_row_dynamic(ctx, 25, 2);
@@ -196,18 +217,18 @@
}
}
nk_end(ctx);
- nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
- glfwSwapBuffers(_mainWindow);
- //glfwMakeContextCurrent(0);
+ nk_sdl_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
+ SDL_GL_SwapWindow(_mainWindow);
}
int main(int argc, char *argv[])
{
+ _closeNextFrame = false;
sdl_audio_init(&_render, 44100, 2, 0, 0);
init();
for (int i = 1; i < argc; i++)
_playlist.push_back(argv[i]);
- while (!glfwWindowShouldClose(_mainWindow))
+ while (!_closeNextFrame)
{
tick();
}