working bgfx and SDL integration

1 files changed, 125 insertions, 0 deletions

diff --git a/src/rodeo.c b/src/rodeo.c
new file mode 100644
index 0000000..46ed014
--- /dev/null
+++ b/src/rodeo.c
@@ -0,0 +1,125 @@
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_syswm.h"
+#include "bgfx/c99/bgfx.h"
+
+#include "rodeo.h"
+
+//static Rodeo__Data_t Rodeo__State = { 0 };
+
+void
+Rodeo__\
+init_window(
+		Rodeo__Data_t* state,
+		int screen_height,
+		int screen_width,
+		char* title
+		)
+{
+	state->window = NULL;
+	state->screen_surface = NULL;
+	state->screen_height = screen_height;
+	state->screen_width = screen_width;
+
+	if(SDL_Init(SDL_INIT_VIDEO) < 0)
+	{
+		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
+		exit(EXIT_FAILURE);
+	}
+
+	state->window = SDL_CreateWindow(
+			title,
+			SDL_WINDOWPOS_UNDEFINED,
+			SDL_WINDOWPOS_UNDEFINED,
+			screen_width,
+			screen_height,
+			SDL_WINDOW_SHOWN
+			);
+
+	if(state->window == NULL)
+	{
+		printf("Window could not be created! SDL_Error %s\n", SDL_GetError());
+		exit(EXIT_FAILURE);
+	}
+
+	SDL_VERSION(&state->wmi.version);
+	if(
+			!SDL_GetWindowWMInfo(
+				state->window,
+				&state->wmi
+				)
+	  )
+	{
+		printf("SDL_Error %s\n", SDL_GetError());
+		exit(EXIT_FAILURE);
+	}
+
+	bgfx_render_frame(-1);
+
+	bgfx_platform_data_t pd;
+	memset(&pd, 0, sizeof(bgfx_platform_data_t));
+
+	pd.ndt = state->wmi.info.x11.display;
+	pd.nwh = (void*)(uintptr_t)state->wmi.info.x11.window;
+
+	bgfx_init_t init = {0};
+	bgfx_init_ctor(&init);
+	init.type = BGFX_RENDERER_TYPE_COUNT; // auto determine renderer
+	init.resolution.width = state->screen_width;
+	init.resolution.height = state->screen_height;
+	init.resolution.reset = BGFX_RESET_VSYNC;
+	init.platformData = pd;
+	bgfx_init(&init);
+
+	bgfx_reset(state->screen_width, state->screen_height, BGFX_RESET_VSYNC, init.resolution.format);
+
+	bgfx_set_debug(BGFX_DEBUG_TEXT);
+
+	bgfx_set_view_clear(
+			0,
+			BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH,
+			0x443355FF,
+			1.0f,
+			0
+			);
+	bgfx_set_view_rect(0, 0, 0, state->screen_width, state->screen_height);
+
+	bgfx_touch(0);
+
+	bgfx_frame(false);
+}
+
+void
+Rodeo__\
+deinit_window(Rodeo__Data_t* state)
+{
+	bgfx_shutdown();
+	SDL_DestroyWindow(state->window);
+}
+
+void
+Rodeo__\
+quit()
+{
+	SDL_Quit();
+}
+
+void
+Rodeo__\
+begin(Rodeo__Data_t* state)
+{
+}
+
+void
+Rodeo__\
+end(Rodeo__Data_t* state)
+{
+	while(SDL_PollEvent(&state->sdl_event))
+	{
+		if(state->sdl_event.type == SDL_QUIT)
+		{
+			state->quit = true;
+		}
+	}
+	bgfx_touch(0);
+	bgfx_frame(false);
+}