#include <Pulse.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define GLSL_SOURCE(...) #__VA_ARGS__

#define BUFFER_SIZE (256 * sizeof(uint32_t))

void DebugCallBack(PulseDebugMessageSeverity severity, const char* message)
{
	if(severity == PULSE_DEBUG_MESSAGE_SEVERITY_ERROR)
	{
		fprintf(stderr, "Pulse Error: %s\n", message);
		exit(1);
	}
	else if(severity == PULSE_DEBUG_MESSAGE_SEVERITY_WARNING)
		fprintf(stderr, "Pulse Warning: %s\n", message);
	else
		printf("Pulse: %s\n", message);
}

int main(int ac, char** av)
{
	PulseBackendFlags backend_type = PULSE_BACKEND_OPENGL;
	if(ac >= 2 && strcmp(av[1], "--opengl-es") == 0)
		backend_type = PULSE_BACKEND_OPENGL_ES;
	PulseBackend backend = PulseLoadBackend(backend_type, PULSE_SHADER_FORMAT_GLSL_BIT, PULSE_HIGH_DEBUG);
	PulseSetDebugCallback(backend, DebugCallBack);
	PulseDevice device = PulseCreateDevice(backend, NULL, 0);

	PulseBufferCreateInfo buffer_create_info = { 0 };
	buffer_create_info.size = BUFFER_SIZE;
	buffer_create_info.usage = PULSE_BUFFER_USAGE_STORAGE_READ | PULSE_BUFFER_USAGE_STORAGE_WRITE | PULSE_BUFFER_USAGE_TRANSFER_DOWNLOAD;
	PulseBuffer buffer = PulseCreateBuffer(device, &buffer_create_info);

	PulseDestroyBuffer(device, buffer);

	PulseDestroyDevice(device);
	PulseUnloadBackend(backend);
	printf("Successfully executed Pulse example using %s !\n", backend_type == PULSE_BACKEND_OPENGL ? "OpenGL" : "OpenGL ES");
	return 0;
}