diff --git a/Examples/OpenGL/main.c b/Examples/OpenGL/main.c
index 54dbc5c..997a276 100644
--- a/Examples/OpenGL/main.c
+++ b/Examples/OpenGL/main.c
@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define GLSL_SOURCE(...) #__VA_ARGS__
+#define GLSL_SOURCE(version, ...) "#version " version "\n" #__VA_ARGS__
 
 #define BUFFER_SIZE (256 * sizeof(uint32_t))
 
@@ -21,6 +21,13 @@ void DebugCallBack(PulseDebugMessageSeverity severity, const char* message)
 		printf("Pulse: %s\n", message);
 }
 
+const char* glsl_source = GLSL_SOURCE("430 core",
+	layout(local_size_x = 16, local_size_y = 16, local_size_z = 1) in;
+	void main()
+	{
+	}
+);
+
 int main(int ac, char** av)
 {
 	PulseBackendFlags backend_type = PULSE_BACKEND_OPENGL;
@@ -35,6 +42,71 @@ int main(int ac, char** av)
 	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);
 
+/*
+	// GPU computations
+	{
+		PulseComputePipelineCreateInfo info = { 0 };
+		info.code_size = strlen(glsl_source);
+		info.code = (const uint8_t*)glsl_source;
+		info.entrypoint = "main";
+		info.format = PULSE_SHADER_FORMAT_GLSL_BIT;
+		info.num_readwrite_storage_buffers = 1;
+		PulseComputePipeline pipeline = PulseCreateComputePipeline(device, &info);
+
+		PulseFence fence = PulseCreateFence(device);
+		PulseCommandList cmd = PulseRequestCommandList(device, PULSE_COMMAND_LIST_GENERAL);
+
+		PulseComputePass pass = PulseBeginComputePass(cmd);
+			//PulseBindStorageBuffers(pass, &buffer, 1);
+			PulseBindComputePipeline(pass, pipeline);
+			PulseDispatchComputations(pass, 16, 1, 1);
+		PulseEndComputePass(pass);
+
+		PulseSubmitCommandList(device, cmd, fence);
+		PulseWaitForFences(device, &fence, 1, true);
+
+		PulseReleaseCommandList(device, cmd);
+		PulseDestroyFence(device, fence);
+		PulseDestroyComputePipeline(device, pipeline);
+	}
+*/
+
+	// Get result and read it on CPU
+	{
+		PulseBufferCreateInfo staging_buffer_create_info = { 0 };
+		staging_buffer_create_info.size = BUFFER_SIZE;
+		staging_buffer_create_info.usage = PULSE_BUFFER_USAGE_TRANSFER_UPLOAD | PULSE_BUFFER_USAGE_TRANSFER_DOWNLOAD;
+		PulseBuffer staging_buffer = PulseCreateBuffer(device, &staging_buffer_create_info);
+
+		PulseFence fence = PulseCreateFence(device);
+		PulseCommandList cmd = PulseRequestCommandList(device, PULSE_COMMAND_LIST_TRANSFER_ONLY);
+
+		PulseBufferRegion src_region = { 0 };
+		src_region.buffer = buffer;
+		src_region.size = BUFFER_SIZE;
+
+		PulseBufferRegion dst_region = { 0 };
+		dst_region.buffer = staging_buffer;
+		dst_region.size = BUFFER_SIZE;
+
+		PulseCopyBufferToBuffer(cmd, &src_region, &dst_region);
+
+		PulseSubmitCommandList(device, cmd, fence);
+		PulseWaitForFences(device, &fence, 1, true);
+
+		void* ptr;
+		PulseMapBuffer(staging_buffer, PULSE_MAP_READ, &ptr);
+		for(uint32_t i = 0; i < BUFFER_SIZE / sizeof(uint32_t); i++)
+			printf("%d, ", ((int32_t*)ptr)[i]);
+		puts("");
+		PulseUnmapBuffer(staging_buffer);
+
+		PulseDestroyBuffer(device, staging_buffer);
+
+		PulseReleaseCommandList(device, cmd);
+		PulseDestroyFence(device, fence);
+	}
+
 	PulseDestroyBuffer(device, buffer);
 
 	PulseDestroyDevice(device);
diff --git a/Sources/Backends/OpenGL/EGL/EGLInstance.c b/Sources/Backends/OpenGL/EGL/EGLInstance.c
index 9166126..ef469d4 100644
--- a/Sources/Backends/OpenGL/EGL/EGLInstance.c
+++ b/Sources/Backends/OpenGL/EGL/EGLInstance.c
@@ -166,6 +166,7 @@ bool EGLLoadInstance(EGLInstance* instance, PulseDevice* forbiden_devices, uint3
 				uint32_t device_id = PulseHashString((const char*)glGetString(GL_VENDOR));
 				device_id = PulseHashCombine(device_id, PulseHashString((const char*)glGetString(GL_RENDERER)));
 				GLint gl_extension_count = 0;
+				glGetIntegerv(GL_NUM_EXTENSIONS, &gl_extension_count);
 				for(int i = 0; i < gl_extension_count; i++)
 					device_id = PulseHashCombine(device_id, PulseHashString((const char*)glGetStringi(GL_EXTENSIONS, i)));
 
diff --git a/Sources/Backends/OpenGL/OpenGL.h b/Sources/Backends/OpenGL/OpenGL.h
index 3bed8fe..8744304 100644
--- a/Sources/Backends/OpenGL/OpenGL.h
+++ b/Sources/Backends/OpenGL/OpenGL.h
@@ -14,10 +14,7 @@
 #include "OpenGLEnums.h"
 
 #define GL_GLES_PROTOTYPES 0
-#include <GLES3/gl31.h>
-
-#define GL_STACK_UNDERFLOW 0x0504
-#define GL_STACK_OVERFLOW  0x0503
+#include <GLES3/gl32.h>
 
 typedef void(*GLFunction)(void);
 
diff --git a/Sources/Backends/OpenGL/OpenGLBuffer.c b/Sources/Backends/OpenGL/OpenGLBuffer.c
index 1b06f48..0d102a1 100644
--- a/Sources/Backends/OpenGL/OpenGLBuffer.c
+++ b/Sources/Backends/OpenGL/OpenGLBuffer.c
@@ -26,7 +26,14 @@ PulseBuffer OpenGLCreateBuffer(PulseDevice device, const PulseBufferCreateInfo*
 	buffer->size = create_infos->size;
 	buffer->usage = create_infos->usage;
 
+	void* data = calloc(1, create_infos->size);
+	PULSE_CHECK_ALLOCATION_RETVAL(data, PULSE_NULL_HANDLE);
+
 	opengl_device->glGenBuffers(device, 1, &opengl_buffer->buffer);
+	opengl_device->glBindBuffer(device, GL_SHADER_STORAGE_BUFFER, opengl_buffer->buffer);
+	opengl_device->glBufferData(device, GL_SHADER_STORAGE_BUFFER, create_infos->size, data, GL_DYNAMIC_COPY);
+
+	free(data);
 
 	return buffer;
 }
diff --git a/Sources/Backends/OpenGL/OpenGLCommandList.c b/Sources/Backends/OpenGL/OpenGLCommandList.c
index 99300bc..666dd0e 100644
--- a/Sources/Backends/OpenGL/OpenGLCommandList.c
+++ b/Sources/Backends/OpenGL/OpenGLCommandList.c
@@ -7,6 +7,34 @@
 #include "../../PulseInternal.h"
 #include "OpenGL.h"
 #include "OpenGLCommandList.h"
+#include "OpenGLDevice.h"
+#include "OpenGLBuffer.h"
+#include "OpenGLFence.h"
+#include "OpenGLComputePass.h"
+
+static void OpenGLCommandCopyBufferToBuffer(PulseDevice device, OpenGLCommand* cmd)
+{
+	const PulseBufferRegion* src = cmd->CopyBufferToBuffer.src;
+	const PulseBufferRegion* dst = cmd->CopyBufferToBuffer.dst;
+	OpenGLBuffer* src_buffer = OPENGL_RETRIEVE_DRIVER_DATA_AS(src->buffer, OpenGLBuffer*);
+	OpenGLBuffer* dst_buffer = OPENGL_RETRIEVE_DRIVER_DATA_AS(dst->buffer, OpenGLBuffer*);
+
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	opengl_device->glBindBuffer(device, GL_COPY_READ_BUFFER, src_buffer->buffer);
+	opengl_device->glBindBuffer(device, GL_COPY_WRITE_BUFFER, dst_buffer->buffer);
+	opengl_device->glCopyBufferSubData(device, GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, src->offset, dst->offset, src->size);
+
+	free((void*)src);
+	free((void*)dst);
+}
+
+static void OpenGLCommandDispatch(PulseDevice device, OpenGLCommand* cmd)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	opengl_device->glDispatchCompute(device, cmd->Dispatch.groupcount_x, cmd->Dispatch.groupcount_y, cmd->Dispatch.groupcount_z);
+}
 
 static void OpenGLCommandsRunner(PulseCommandList cmd)
 {
@@ -20,26 +48,40 @@ static void OpenGLCommandsRunner(PulseCommandList cmd)
 		OpenGLCommand* command = &opengl_cmd->commands[i];
 		switch(command->type)
 		{
-			case OPENGL_COMMAND_COPY_BUFFER_TO_BUFFER: OpenGLCommandCopyBufferToBuffer(command); break;
+			case OPENGL_COMMAND_COPY_BUFFER_TO_BUFFER: OpenGLCommandCopyBufferToBuffer(cmd->device, command); break;
 			case OPENGL_COMMAND_COPY_BUFFER_TO_IMAGE: break;
 			case OPENGL_COMMAND_COPY_IMAGE_TO_BUFFER: break;
-			case OPENGL_COMMAND_DISPATCH: OpenGLCommandDispatch(command); break;
+			case OPENGL_COMMAND_DISPATCH: OpenGLCommandDispatch(cmd->device, command); break;
 			case OPENGL_COMMAND_DISPATCH_INDIRECT: break;
 
 			default: break;
 		}
 	}
-
-	if(opengl_cmd->fence != PULSE_NULL_HANDLE)
-	{
-		OpenGLFence* fence = OPENGL_RETRIEVE_DRIVER_DATA_AS(opengl_cmd->fence, OpenGLFence*);
-		atomic_store(&fence->signal, true);
-	}
 	cmd->state = PULSE_COMMAND_LIST_STATE_READY;
 }
 
 PulseCommandList OpenGLRequestCommandList(PulseDevice device, PulseCommandListUsage usage)
 {
+	PULSE_CHECK_HANDLE_RETVAL(device, PULSE_NULL_HANDLE);
+
+	PULSE_UNUSED(usage);
+
+	PulseCommandList cmd = (PulseCommandList)calloc(1, sizeof(PulseCommandListHandler));
+	PULSE_CHECK_ALLOCATION_RETVAL(cmd, PULSE_NULL_HANDLE);
+
+	OpenGLCommandList* opengl_cmd = (OpenGLCommandList*)calloc(1, sizeof(OpenGLCommandList));
+	PULSE_CHECK_ALLOCATION_RETVAL(opengl_cmd, PULSE_NULL_HANDLE);
+
+	cmd->usage = usage;
+	cmd->device = device;
+	cmd->driver_data = opengl_cmd;
+	cmd->thread_id = PulseGetThreadID();
+
+	cmd->pass = OpenGLCreateComputePass(device, cmd);
+	cmd->state = PULSE_COMMAND_LIST_STATE_RECORDING;
+	cmd->is_available = false;
+
+	return cmd;
 }
 
 void OpenGLQueueCommand(PulseCommandList cmd, OpenGLCommand command)
@@ -52,8 +94,17 @@ void OpenGLQueueCommand(PulseCommandList cmd, OpenGLCommand command)
 
 bool OpenGLSubmitCommandList(PulseDevice device, PulseCommandList cmd, PulseFence fence)
 {
+	PULSE_UNUSED(device);
+	cmd->state = PULSE_COMMAND_LIST_STATE_SENT;
+	if(fence != PULSE_NULL_HANDLE)
+		fence->cmd = cmd;
+	OpenGLCommandsRunner(cmd);
+	return true;
 }
 
 void OpenGLReleaseCommandList(PulseDevice device, PulseCommandList cmd)
 {
+	OpenGLDestroyComputePass(device, cmd->pass);
+	free(cmd->driver_data);
+	free(cmd);
 }
diff --git a/Sources/Backends/OpenGL/OpenGLComputePass.c b/Sources/Backends/OpenGL/OpenGLComputePass.c
index 1d4780b..c01c76b 100644
--- a/Sources/Backends/OpenGL/OpenGLComputePass.c
+++ b/Sources/Backends/OpenGL/OpenGLComputePass.c
@@ -10,18 +10,34 @@
 
 PulseComputePass OpenGLCreateComputePass(PulseDevice device, PulseCommandList cmd)
 {
+	PULSE_UNUSED(device);
+	PulseComputePass pass = (PulseComputePass)calloc(1, sizeof(PulseComputePassHandler));
+	PULSE_CHECK_ALLOCATION_RETVAL(pass, PULSE_NULL_HANDLE);
+
+	OpenGLComputePass* opengl_pass = (OpenGLComputePass*)calloc(1, sizeof(OpenGLComputePass));
+	PULSE_CHECK_ALLOCATION_RETVAL(opengl_pass, PULSE_NULL_HANDLE);
+
+	pass->cmd = cmd;
+	pass->driver_data = opengl_pass;
+
+	return pass;
 }
 
 void OpenGLDestroyComputePass(PulseDevice device, PulseComputePass pass)
 {
+	PULSE_UNUSED(device);
+	free(pass->driver_data);
+	free(pass);
 }
 
 PulseComputePass OpenGLBeginComputePass(PulseCommandList cmd)
 {
+	return cmd->pass;
 }
 
 void OpenGLEndComputePass(PulseComputePass pass)
 {
+	PULSE_UNUSED(pass);
 }
 
 void OpenGLBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers)
@@ -38,8 +54,17 @@ void OpenGLBindStorageImages(PulseComputePass pass, const PulseImage* images, ui
 
 void OpenGLBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline)
 {
+	PULSE_UNUSED(pass);
+	PULSE_UNUSED(pipeline);
 }
 
 void OpenGLDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z)
 {
+	OpenGLCommand command = { 0 };
+	command.type = OPENGL_COMMAND_DISPATCH;
+	command.Dispatch.groupcount_x = groupcount_x;
+	command.Dispatch.groupcount_y = groupcount_y;
+	command.Dispatch.groupcount_z = groupcount_z;
+	command.Dispatch.pipeline = pass->current_pipeline;
+	OpenGLQueueCommand(pass->cmd, command);
 }
diff --git a/Sources/Backends/OpenGL/OpenGLComputePass.h b/Sources/Backends/OpenGL/OpenGLComputePass.h
index c499868..b816232 100644
--- a/Sources/Backends/OpenGL/OpenGLComputePass.h
+++ b/Sources/Backends/OpenGL/OpenGLComputePass.h
@@ -14,6 +14,7 @@
 
 typedef struct OpenGLComputePass
 {
+	int dummy;
 } OpenGLComputePass;
 
 PulseComputePass OpenGLCreateComputePass(PulseDevice device, PulseCommandList cmd);
diff --git a/Sources/Backends/OpenGL/OpenGLComputePipeline.h b/Sources/Backends/OpenGL/OpenGLComputePipeline.h
index 95a4be9..65769ed 100644
--- a/Sources/Backends/OpenGL/OpenGLComputePipeline.h
+++ b/Sources/Backends/OpenGL/OpenGLComputePipeline.h
@@ -12,6 +12,7 @@
 
 typedef struct OpenGLComputePipeline
 {
+	int dummy;
 } OpenGLComputePipeline;
 
 PulseComputePipeline OpenGLCreateComputePipeline(PulseDevice device, const PulseComputePipelineCreateInfo* info);
diff --git a/Sources/Backends/OpenGL/OpenGLDevice.c b/Sources/Backends/OpenGL/OpenGLDevice.c
index 45e7459..8c1e057 100644
--- a/Sources/Backends/OpenGL/OpenGLDevice.c
+++ b/Sources/Backends/OpenGL/OpenGLDevice.c
@@ -46,6 +46,12 @@ const char* OpenGLVerbaliseError(GLenum code)
 	return "unknown OpenGL error";
 }
 
+static void OpenGLDebugMessageCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void* user_param)
+{
+	PulseDevice device = (PulseDevice)user_param;
+	PulseLogInfoFmt(device->backend, "%s debug message catched: %.*s", device->backend->backend == PULSE_BACKEND_OPENGL ? "(OpenGL)" : "(OpenGL ES)", length, message);
+}
+
 static void PulseCheckGLError(PulseDevice device, const char* function)
 {
 	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
@@ -108,6 +114,26 @@ static void OpenGLDeviceMakeCurrent(PulseDevice device)
 #undef PULSE_OPENGL_WRAPPER
 #undef PULSE_OPENGL_WRAPPER_RET
 
+static bool OpenGLLoadFallbackFunction(PulseDevice device, OpenGLFunctionIndex index, GLFunctionLoad load)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	if(index == glDebugMessageCallback)
+	{
+		GLFunction fn = PULSE_NULLPTR;
+
+		if(OpenGLDeviceSupportsExtension(device, "GL_KHR_debug"))
+			fn = load("glDebugMessageCallbackKHR");
+		if(!fn && device->backend->backend == PULSE_BACKEND_OPENGL && OpenGLDeviceSupportsExtension(device, "GL_ARB_debug_output"))
+			fn = load("glDebugMessageCallbackARB");
+
+		if(fn)
+			opengl_device->original_function_ptrs[index] = fn;
+	}
+
+	return opengl_device->original_function_ptrs[index] != PULSE_NULLPTR;
+}
+
 static bool OpenGLLoadFunction(PulseDevice device, OpenGLFunctionIndex index)
 {
 	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
@@ -123,7 +149,7 @@ static bool OpenGLLoadFunction(PulseDevice device, OpenGLFunctionIndex index)
 	#endif
 
 	GLFunction fn = load(OpenGLFunctionIndexToFunctionName[index]);
-	if(!fn)
+	if(!fn && index > OPENGL_FUNCTION_INDEX_START_ENUM && !OpenGLLoadFallbackFunction(device, index, load))
 	{
 		PulseSetInternalError(PULSE_ERROR_INITIALIZATION_FAILED);
 		return false;
@@ -132,11 +158,11 @@ static bool OpenGLLoadFunction(PulseDevice device, OpenGLFunctionIndex index)
 	return true;
 }
 
-static bool OpenGLLoadFunctions(PulseDevice device)
+static bool OpenGLLoadCoreFunctions(PulseDevice device)
 {
 	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
 
-	for(int i = 0; i < OPENGL_FUNCTION_INDEX_END_ENUM; i++)
+	for(int i = 0; i < OPENGL_CORE_FUNCTION_INDEX_END_ENUM; i++)
 	{
 		if(!OpenGLLoadFunction(device, i))
 			return false;
@@ -149,6 +175,27 @@ static bool OpenGLLoadFunctions(PulseDevice device)
 	return true;
 }
 
+static bool OpenGLLoadFunctions(PulseDevice device)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	for(int i = OPENGL_CORE_FUNCTION_INDEX_END_ENUM; i < OPENGL_FUNCTION_INDEX_END_ENUM; i++)
+	{
+		if(!OpenGLLoadFunction(device, i))
+			return false;
+	}
+
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
+
+	#define PULSE_OPENGL_FUNCTION(fn, T)
+	#define PULSE_OPENGL_GL_GLES_FUNCTION(glver, glesver,fn, T) opengl_device->fn = PulseOpenGLWrapper_##fn;
+		#include "OpenGLFunctions.h"
+	#undef PULSE_OPENGL_FUNCTION
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
+
+	return true;
+}
+
 PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count)
 {
 	PULSE_CHECK_HANDLE_RETVAL(backend, PULSE_NULLPTR);
@@ -179,6 +226,20 @@ PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devic
 		device->context_type = OPENGL_CONTEXT_EGL;
 	#endif
 
+	if(!OpenGLLoadCoreFunctions(pulse_device))
+	{
+		EGLUnloadInstance(&device->egl_instance);
+		PulseSetInternalError(PULSE_ERROR_INITIALIZATION_FAILED);
+		return PULSE_NULL_HANDLE;
+	}
+
+	GLint gl_extension_count = 0;
+	device->glGetIntegerv(pulse_device, GL_NUM_EXTENSIONS, &gl_extension_count);
+	device->supported_extensions_count = gl_extension_count;
+	device->supported_extensions = (const char**)calloc(device->supported_extensions_count, sizeof(const char*));
+	for(uint32_t i = 0; i < device->supported_extensions_count; i++)
+		device->supported_extensions[i] = (const char*)device->glGetStringi(pulse_device, GL_EXTENSIONS, i);
+
 	if(!OpenGLLoadFunctions(pulse_device))
 	{
 		EGLUnloadInstance(&device->egl_instance);
@@ -186,25 +247,48 @@ PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devic
 		return PULSE_NULL_HANDLE;
 	}
 
+	if(backend->debug_level != PULSE_NO_DEBUG && device->original_function_ptrs[glDebugMessageCallback] != PULSE_NULLPTR)
+	{
+		device->glDebugMessageCallback(pulse_device, OpenGLDebugMessageCallback, pulse_device);
+		if(backend->debug_level >= PULSE_LOW_DEBUG)
+			device->glDebugMessageControl(pulse_device, GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW, 0, PULSE_NULLPTR, GL_FALSE);
+		if(backend->debug_level >= PULSE_HIGH_DEBUG)
+		{
+			device->glDebugMessageControl(pulse_device, GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_HIGH, 0, PULSE_NULLPTR, GL_FALSE);
+			device->glDebugMessageControl(pulse_device, GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM, 0, PULSE_NULLPTR, GL_FALSE);
+			device->glDebugMessageControl(pulse_device, GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_NOTIFICATION, 0, PULSE_NULLPTR, GL_FALSE);
+			//device->glDebugMessageControl(pulse_device, GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, PULSE_NULLPTR, GL_FALSE);
+		}
+	}
+
 	PULSE_LOAD_DRIVER_DEVICE(OpenGL);
 
 	device->device_id = PulseHashString((const char*)device->glGetString(pulse_device, GL_VENDOR));
 	device->device_id = PulseHashCombine(device->device_id, PulseHashString((const char*)device->glGetString(pulse_device, GL_RENDERER)));
-	GLint gl_extension_count = 0;
-	for(int i = 0; i < gl_extension_count; i++)
-		device->device_id = PulseHashCombine(device->device_id, PulseHashString((const char*)device->glGetStringi(pulse_device, GL_EXTENSIONS, i)));
+	for(uint32_t i = 0; i < device->supported_extensions_count; i++)
+		device->device_id = PulseHashCombine(device->device_id, PulseHashString(device->supported_extensions[i]));
 
 	if(PULSE_IS_BACKEND_HIGH_LEVEL_DEBUG(backend))
 		PulseLogInfoFmt(backend, "%s created device from %s", backend->backend == PULSE_BACKEND_OPENGL ? "(OpenGL)" : "(OpenGL ES)", device->glGetString(pulse_device, GL_RENDERER));
 	return pulse_device;
 }
 
-void OpenGLDestroyDevice(PulseDevice device)
+bool OpenGLDeviceSupportsExtension(PulseDevice device, const char* name)
 {
 	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
-	if(opengl_device == PULSE_NULLPTR)
-		return;
+	for(uint32_t i = 0; i < opengl_device->supported_extensions_count; i++)
+	{
+		if(strcmp(opengl_device->supported_extensions[i], name) == 0)
+			return true;
+	}
+	return false;
+}
 
+void OpenGLDestroyDevice(PulseDevice device)
+{
+	if(device == PULSE_NULL_HANDLE || device->driver_data == PULSE_NULLPTR)
+		return;
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
 	#ifdef PULSE_PLAT_WINDOWS
 		if(opengl_device->context_type == OPENGL_CONTEXT_WGL)
 		{} // TODO: WGL
diff --git a/Sources/Backends/OpenGL/OpenGLDevice.h b/Sources/Backends/OpenGL/OpenGLDevice.h
index 68c454d..f53508c 100644
--- a/Sources/Backends/OpenGL/OpenGLDevice.h
+++ b/Sources/Backends/OpenGL/OpenGLDevice.h
@@ -33,10 +33,14 @@ typedef struct OpenGLDevice
 	#undef PULSE_OPENGL_WRAPPER
 	#undef PULSE_OPENGL_WRAPPER_RET
 
+	const char** supported_extensions;
+	uint32_t supported_extensions_count;
+
 	uint32_t device_id;
 } OpenGLDevice;
 
 PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count);
+bool OpenGLDeviceSupportsExtension(PulseDevice device, const char* name);
 void OpenGLDestroyDevice(PulseDevice device);
 
 #endif // PULSE_OPENGL_DEVICE_H_
diff --git a/Sources/Backends/OpenGL/OpenGLEnums.h b/Sources/Backends/OpenGL/OpenGLEnums.h
index b38b019..3d50d24 100644
--- a/Sources/Backends/OpenGL/OpenGLEnums.h
+++ b/Sources/Backends/OpenGL/OpenGLEnums.h
@@ -15,11 +15,28 @@ typedef enum OpenGLContextType
 	OPENGL_CONTEXT_END_ENUM
 } OpenGLContextType;
 
-typedef enum OpenGLFunctionIndex
+typedef enum OpenGLCoreFunctionIndex
 {
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
+	#define PULSE_OPENGL_GL_GLES_FUNCTION(glver, glesver, fn, T)
 	#define PULSE_OPENGL_FUNCTION(fn, T) fn,
 		#include "OpenGLFunctions.h"
 	#undef PULSE_OPENGL_FUNCTION
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
+
+	OPENGL_CORE_FUNCTION_INDEX_END_ENUM
+} OpenGLCoreFunctionIndex;
+
+typedef enum OpenGLFunctionIndex
+{
+	OPENGL_FUNCTION_INDEX_START_ENUM = OPENGL_CORE_FUNCTION_INDEX_END_ENUM - 1,
+
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
+	#define PULSE_OPENGL_GL_GLES_FUNCTION(glver, glesver, fn, T) fn,
+	#define PULSE_OPENGL_FUNCTION(fn, T)
+		#include "OpenGLFunctions.h"
+	#undef PULSE_OPENGL_FUNCTION
+	#undef PULSE_OPENGL_GL_GLES_FUNCTION
 
 	OPENGL_FUNCTION_INDEX_END_ENUM
 } OpenGLFunctionIndex;
diff --git a/Sources/Backends/OpenGL/OpenGLFence.c b/Sources/Backends/OpenGL/OpenGLFence.c
index db18f59..0fe3c13 100644
--- a/Sources/Backends/OpenGL/OpenGLFence.c
+++ b/Sources/Backends/OpenGL/OpenGLFence.c
@@ -7,19 +7,35 @@
 #include "../../PulseInternal.h"
 #include "OpenGL.h"
 #include "OpenGLFence.h"
+#include "OpenGLDevice.h"
 
 PulseFence OpenGLCreateFence(PulseDevice device)
 {
+	PULSE_UNUSED(device);
+	PulseFence fence = (PulseFence)calloc(1, sizeof(PulseFence));
+	PULSE_CHECK_ALLOCATION_RETVAL(fence, PULSE_NULL_HANDLE);
+	return fence;
 }
 
 void OpenGLDestroyFence(PulseDevice device, PulseFence fence)
 {
+	PULSE_UNUSED(device);
+	free(fence);
 }
 
 bool OpenGLIsFenceReady(PulseDevice device, PulseFence fence)
 {
+	PULSE_UNUSED(device);
+	PULSE_UNUSED(fence);
+	return true;
 }
 
 bool OpenGLWaitForFences(PulseDevice device, const PulseFence* fences, uint32_t fences_count, bool wait_for_all)
 {
+	PULSE_UNUSED(fences);
+	PULSE_UNUSED(fences_count);
+	PULSE_UNUSED(wait_for_all);
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+	opengl_device->glFinish(device);
+	return true;
 }
diff --git a/Sources/Backends/OpenGL/OpenGLFence.h b/Sources/Backends/OpenGL/OpenGLFence.h
index c59f109..c996ed0 100644
--- a/Sources/Backends/OpenGL/OpenGLFence.h
+++ b/Sources/Backends/OpenGL/OpenGLFence.h
@@ -10,10 +10,6 @@
 #include <Pulse.h>
 #include "OpenGL.h"
 
-typedef struct OpenGLFence
-{
-} OpenGLFence;
-
 PulseFence OpenGLCreateFence(PulseDevice device);
 void OpenGLDestroyFence(PulseDevice device, PulseFence fence);
 bool OpenGLIsFenceReady(PulseDevice device, PulseFence fence);
diff --git a/Sources/Backends/OpenGL/OpenGLFunctions.h b/Sources/Backends/OpenGL/OpenGLFunctions.h
index 80b197f..cf08b07 100644
--- a/Sources/Backends/OpenGL/OpenGLFunctions.h
+++ b/Sources/Backends/OpenGL/OpenGLFunctions.h
@@ -8,10 +8,6 @@
 	#error "You must define PULSE_OPENGL_FUNCTION before including this file"
 #endif
 
-#ifndef PULSE_OPENGL_GL_FUNCTION
-	#define PULSE_OPENGL_GL_FUNCTION(ver, name, sig) PULSE_OPENGL_FUNCTION(name, sig)
-#endif
-
 #ifndef PULSE_OPENGL_GL_GLES_FUNCTION
 	#define PULSE_OPENGL_GL_GLES_FUNCTION(glVer, glesVer, name, sig) PULSE_OPENGL_FUNCTION(name, sig)
 #endif
@@ -140,3 +136,8 @@ PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramResourceiv, PFNGLGETPROGRAMR
 PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramResourceIndex, PFNGLGETPROGRAMRESOURCEINDEXPROC)
 PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramResourceLocation, PFNGLGETPROGRAMRESOURCELOCATIONPROC)
 PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramResourceName, PFNGLGETPROGRAMRESOURCENAMEPROC)
+
+// OpenGL 4.3 - OpenGL ES 3.2
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 320, glDebugMessageCallback, PFNGLDEBUGMESSAGECALLBACKPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 320, glDebugMessageControl, PFNGLDEBUGMESSAGECONTROLPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 320, glDispatchComputeIndirect, PFNGLDISPATCHCOMPUTEINDIRECTPROC)
diff --git a/Sources/Backends/OpenGL/OpenGLImage.h b/Sources/Backends/OpenGL/OpenGLImage.h
index f712bdf..1873080 100644
--- a/Sources/Backends/OpenGL/OpenGLImage.h
+++ b/Sources/Backends/OpenGL/OpenGLImage.h
@@ -12,6 +12,7 @@
 
 typedef struct OpenGLImage
 {
+	int dummy;
 } OpenGLImage;
 
 PulseImage OpenGLCreateImage(PulseDevice device, const PulseImageCreateInfo* create_infos);
diff --git a/Sources/Backends/OpenGL/OpenGLWraps.h b/Sources/Backends/OpenGL/OpenGLWraps.h
index 19f5f8e..add1de5 100644
--- a/Sources/Backends/OpenGL/OpenGLWraps.h
+++ b/Sources/Backends/OpenGL/OpenGLWraps.h
@@ -124,6 +124,7 @@ PULSE_OPENGL_WRAPPER(glProgramParameteri, (PulseDevice device, GLuint program, G
 PULSE_OPENGL_WRAPPER(glTexStorage2D, (PulseDevice device, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height), (target, levels, internalformat, width, height), PFNGLTEXSTORAGE2DPROC)
 PULSE_OPENGL_WRAPPER(glTexStorage3D, (PulseDevice device, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth), (target, levels, internalformat, width, height, depth), PFNGLTEXSTORAGE3DPROC)
 PULSE_OPENGL_WRAPPER(glDispatchCompute, (PulseDevice device, GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z), (num_groups_x, num_groups_y, num_groups_z), PFNGLDISPATCHCOMPUTEPROC)
+PULSE_OPENGL_WRAPPER(glDispatchComputeIndirect, (PulseDevice device, GLintptr indirect), (indirect), PFNGLDISPATCHCOMPUTEINDIRECTPROC)
 PULSE_OPENGL_WRAPPER(glGetProgramInterfaceiv, (PulseDevice device, GLuint program, GLenum programInterface, GLenum pname, GLint *params), (program, programInterface, pname, params), PFNGLGETPROGRAMINTERFACEIVPROC)
 PULSE_OPENGL_WRAPPER_RET(GLuint, glGetProgramResourceIndex, (PulseDevice device, GLuint program, GLenum programInterface, const GLchar *name), (program, programInterface, name), PFNGLGETPROGRAMRESOURCEINDEXPROC)
 PULSE_OPENGL_WRAPPER(glGetProgramResourceName, (PulseDevice device, GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name), (program, programInterface, index, bufSize, length, name), PFNGLGETPROGRAMRESOURCENAMEPROC)
@@ -133,3 +134,5 @@ PULSE_OPENGL_WRAPPER(glBindImageTexture, (PulseDevice device, GLuint unit, GLuin
 PULSE_OPENGL_WRAPPER(glGetBooleani_v, (PulseDevice device, GLenum target, GLuint index, GLboolean *data), (target, index, data), PFNGLGETBOOLEANI_VPROC)
 PULSE_OPENGL_WRAPPER(glMemoryBarrier, (PulseDevice device, GLbitfield barriers), (barriers), PFNGLMEMORYBARRIERPROC)
 PULSE_OPENGL_WRAPPER(glMemoryBarrierByRegion, (PulseDevice device, GLbitfield barriers), (barriers), PFNGLMEMORYBARRIERBYREGIONPROC)
+PULSE_OPENGL_WRAPPER(glDebugMessageControl, (PulseDevice device, GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled), (source, type, severity, count, ids, enabled), PFNGLDEBUGMESSAGECONTROLPROC)
+PULSE_OPENGL_WRAPPER(glDebugMessageCallback, (PulseDevice device, GLDEBUGPROC callback, const void *userParam), (callback, userParam), PFNGLDEBUGMESSAGECALLBACKPROC)
diff --git a/Sources/Backends/Software/SoftCommandList.c b/Sources/Backends/Software/SoftCommandList.c
index a5aea4e..3879f0d 100644
--- a/Sources/Backends/Software/SoftCommandList.c
+++ b/Sources/Backends/Software/SoftCommandList.c
@@ -63,7 +63,7 @@ static void SoftCommandDispatch(SoftCommand* cmd)
 				for(uint32_t i = 0; i < local_size; i++)
 				{
 					thrd_create(&invocations[invocation_index], SoftCommandDispatchCore, soft_pipeline);
-					thrd_join(invocations[invocation_index], NULL);
+					//thrd_join(invocations[invocation_index], NULL);
 					invocation_index++;
 				}
 			}
diff --git a/xmake.lua b/xmake.lua
index 61ee651..5eff1b8 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -49,7 +49,7 @@ local backends = {
 		end,
 		before_build = function(target, os)
 			local gles_dir = target:pkg("opengl-headers"):installdir()
-			os.runv("python", {"Scripts/GenerateOpenGLDefs.py", "Sources/Backends/OpenGL/OpenGLFunctions.h", gles_dir .. "/include/GLES3/gl31.h", "Sources/Backends/OpenGL/OpenGLWraps.h"})
+			os.runv("python", {"Scripts/GenerateOpenGLDefs.py", "Sources/Backends/OpenGL/OpenGLFunctions.h", gles_dir .. "/include/GLES3/gl32.h", "Sources/Backends/OpenGL/OpenGLWraps.h"})
 		end
 	},
 }