Backends: Improved miniaudio and GLFW3 error handling

Signed-off-by: Gabriel Ravier <gabravier@gmail.com>

src/Backends/Audio/miniaudio.cpp

@@ -9,6 +9,7 @@
 
 #include "../../Organya.h"
 #include "../../WindowsWrapper.h"
+#include "../Misc.h"
 
 #include "SoftwareMixer.h"
 
@@ -80,13 +81,19 @@ BOOL AudioBackend_Init(void)
 	config.dataCallback = Callback;
 	config.pUserData = NULL;
 
-	if (ma_device_init(NULL, &config, &device) == MA_SUCCESS)
+	ma_result return_value;
+
+	return_value = ma_device_init(NULL, &config, &device);
+	if (return_value == MA_SUCCESS)
 	{
-		if (ma_mutex_init(device.pContext, &mutex) == MA_SUCCESS)
+		return_value = ma_mutex_init(device.pContext, &mutex);
+		if (return_value == MA_SUCCESS)
 		{
-			if (ma_mutex_init(device.pContext, &organya_mutex) == MA_SUCCESS)
+			return_value = ma_mutex_init(device.pContext, &organya_mutex);
+			if (return_value == MA_SUCCESS)
 			{
-				if (ma_device_start(&device) == MA_SUCCESS)
+				return_value = ma_device_start(&device);
+				if (return_value == MA_SUCCESS)
 				{
 					output_frequency = device.sampleRate;
 
@@ -94,22 +101,43 @@ BOOL AudioBackend_Init(void)
 
 					return TRUE;
 				}
+				else
+				{
+					Backend_PrintError("Failed to start playback device: %s", ma_result_description(return_value));
+				}
 
 				ma_mutex_uninit(&organya_mutex);
 			}
+			else
+			{
+				Backend_PrintError("Failed to create organya mutex: %s", ma_result_description(return_value));
+			}
 
 			ma_mutex_uninit(&mutex);
 		}
+		else
+		{
+			Backend_PrintError("Failed to create mutex: %s", ma_result_description(return_value));
+		}
 
 		ma_device_uninit(&device);
 	}
+	else
+	{
+		Backend_PrintError("Failed to initialize playback device: %s", ma_result_description(return_value));
+	}
+
 
 	return FALSE;
 }
 
 void AudioBackend_Deinit(void)
 {
-	ma_device_stop(&device);
+	ma_result return_value;
+	return_value = ma_device_stop(&device);
+
+	if (return_value != MA_SUCCESS)
+		Backend_PrintError("Failed to stop playback device: %s", ma_result_description(return_value));
 
 	ma_mutex_uninit(&organya_mutex);
 

src/Backends/GLFW3/Controller.cpp

@@ -8,6 +8,7 @@
 #include <GLFW/glfw3.h>
 
 #include "../../WindowsWrapper.h"
+#include "../Misc.h"
 
 #define DEADZONE (10000.0f / 32767.0f)
 
@@ -21,7 +22,7 @@ static void JoystickCallback(int joystick_id, int event)
 	switch (event)
 	{
 		case GLFW_CONNECTED:
-			printf("Joystick #%d connected - %s\n", joystick_id, glfwGetJoystickName(joystick_id));
+			Backend_PrintInfo("Joystick #%d connected - %s", joystick_id, glfwGetJoystickName(joystick_id));
 
 			if (!joystick_connected)
 			{
@@ -44,8 +45,13 @@ static void JoystickCallback(int joystick_id, int event)
 						// Set up neutral axes
 						axis_neutrals = (float*)malloc(sizeof(float) * total_axes);
 
-						for (int i = 0; i < total_axes; ++i)
+						if (axis_neutrals)
-							axis_neutrals[i] = axes[i];
+						{
+							for (int i = 0; i < total_axes; ++i)
+								axis_neutrals[i] = axes[i];
+						}
+						else
+							Backend_PrintError("Couldn't allocate memory for axis");
 					}
 				}
 			}
@@ -55,7 +61,7 @@ static void JoystickCallback(int joystick_id, int event)
 		case GLFW_DISCONNECTED:
 			if (joystick_connected && joystick_id == connected_joystick_id)
 			{
-				printf("Joystick #%d disconnected\n", connected_joystick_id);
+				Backend_PrintInfo("Joystick #%d disconnected", connected_joystick_id);
 				joystick_connected = FALSE;
 
 				free(axis_neutrals);

src/Backends/GLFW3/Misc.cpp

@@ -152,8 +152,15 @@ static void DragAndDropCallback(GLFWwindow *window, int count, const char **path
 	LoadProfile(paths[0]);
 }
 
+static void ErrorCallback(int code, const char *description)
+{
+	Backend_PrintError("GLFW error received (%d) : %s", code, description);
+}
+
 BOOL Backend_Init(void)
 {
+	glfwSetErrorCallback(ErrorCallback);
+
 	if (glfwInit() == GL_TRUE)
 		return TRUE;
 

src/Backends/GLFW3/Window-OpenGL3.cpp

@@ -71,7 +71,7 @@ BOOL WindowBackend_OpenGL_CreateWindow(const char *window_title, int *screen_wid
 				}
 				else
 				{
-					Backend_ShowMessageBox("Fatal error (OpenGL rendering backend)", "Could not load OpenGL functions");
+					Backend_ShowMessageBox("Fatal error (OpenGL rendering backend)", "Could not initialize OpenGL context");
 				}
 			#endif