working on OpenGL loading

2026-01-10 15:03:34 +00:00 · 2025-03-23 00:43:40 +01:00
parent 3e6aa18fbe
commit 6c2119d806
28 changed files with 1088 additions and 63 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@
 !/Includes/
 !/Sources/
 !/Tests/
+!/Scripts/
 !/Examples/
 !/Xmake/
 !/.github/
--- a/Examples/OpenGL/main.c
+++ b/Examples/OpenGL/main.c
@@ -26,7 +26,9 @@ int main(int ac, char** av)
 		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);

+	PulseDestroyDevice(device);
 	PulseUnloadBackend(backend);
 	printf("Successfully executed Pulse example using %s !\n", backend_type == PULSE_BACKEND_OPENGL ? "OpenGL" : "OpenGL ES");
 	return 0;
--- a/Scripts/GenerateOpenGLDefs.py
+++ b/Scripts/GenerateOpenGLDefs.py
@@ -0,0 +1,71 @@
+import re
+import sys
+
+def extract_function_names(file):
+    function_names = []
+    with open(file, 'r') as f:
+        for line in f:
+            match = re.match(r'PULSE_OPENGL_FUNCTION\((\w+),.*\)', line)
+            if not match:
+                match = re.match(r'PULSE_OPENGL_GL_GLES_FUNCTION\(.*?,.*?, (\w+),.*\)', line)
+            if match:
+                function_name = match.group(1)
+                function_names.append(function_name)
+    return function_names
+
+def extract_prototypes(function_names, header_file):
+    prototypes = {}
+    with open(header_file, 'r') as f:
+        for line in f:
+            for function_name in function_names:
+                if re.search(rf'\b{function_name}\b', line):
+                    match = re.match(r'(.*?)\s*\b' + function_name + r'\b\s*\((.*?)\);', line)
+                    if match:
+                        return_type = match.group(1).replace('GL_APICALL ', '').replace(' GL_APIENTRY', '').replace('GL_APIENTRY', '')
+                        arguments = match.group(2).split(', ')
+                        argument_list = ["PulseDevice device"]
+                        parameter_list = []
+                        for argument in arguments:
+                            parts = argument.split()
+                            arg_name = parts[-1]
+                            arg_type = ' '.join(parts[:-1])
+                            if arg_name != 'void':
+                                argument_list.append(f'{arg_type} {arg_name}')
+                                parameter_list.append(f'{arg_name.split('*')[-1]}')
+                        if return_type == 'void':
+                            prototype = f'PULSE_OPENGL_WRAPPER({function_name}, ({", ".join(argument_list)}), ({", ".join(parameter_list)}), {"PFN" + function_name.upper() + "PROC"})'
+                        else:
+                            prototype = f'PULSE_OPENGL_WRAPPER_RET({return_type}, {function_name}, ({", ".join(argument_list)}), ({", ".join(parameter_list)}), {"PFN" + function_name.upper() + "PROC"})'
+                        prototypes[function_name] = prototype
+                        break
+    return prototypes
+
+def main():
+    function_names = extract_function_names(sys.argv[1])
+    prototypes = extract_prototypes(function_names, sys.argv[2])
+
+    try:
+        with open(sys.argv[3], "x") as f:
+            f.write("""// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+// This is a generated file
+
+// No header guards
+
+#ifndef PULSE_OPENGL_WRAPPER_RET
+	#error "You must define PULSE_OPENGL_WRAPPER_RET before including this file"
+#endif
+
+#ifndef PULSE_OPENGL_WRAPPER
+	#error "You must define PULSE_OPENGL_WRAPPER before including this file"
+#endif\n
+""")
+            for function_name, prototype in prototypes.items():
+                f.write(f'{prototype}\n')
+    except FileExistsError:
+        pass
+
+if __name__ == '__main__':
+    main()
--- a/Sources/Backends/OpenGL/EGL/EGLFunctions.h
+++ b/Sources/Backends/OpenGL/EGL/EGLFunctions.h
@@ -8,6 +8,10 @@
 	#error "You must define PULSE_EGL_FUNCTION before including this file"
 #endif

+#ifndef PULSE_EGL_FUNCTION_EXT
+	#error "You must define PULSE_EGL_FUNCTION_EXT before including this file"
+#endif
+
 PULSE_EGL_FUNCTION(eglBindAPI, PFNEGLBINDAPIPROC)
 PULSE_EGL_FUNCTION(eglChooseConfig, PFNEGLCHOOSECONFIGPROC)
 PULSE_EGL_FUNCTION(eglCreateContext, PFNEGLCREATECONTEXTPROC)
@@ -22,3 +26,7 @@ PULSE_EGL_FUNCTION(eglInitialize, PFNEGLINITIALIZEPROC)
 PULSE_EGL_FUNCTION(eglMakeCurrent, PFNEGLMAKECURRENTPROC)
 PULSE_EGL_FUNCTION(eglQueryString, PFNEGLQUERYSTRINGPROC)
 PULSE_EGL_FUNCTION(eglTerminate, PFNEGLTERMINATEPROC)
+
+PULSE_EGL_FUNCTION_EXT(eglQueryDevicesEXT, PFNEGLQUERYDEVICESEXTPROC)
+PULSE_EGL_FUNCTION_EXT(eglGetPlatformDisplayEXT, PFNEGLGETPLATFORMDISPLAYEXTPROC)
+PULSE_EGL_FUNCTION_EXT(eglQueryDeviceStringEXT, PFNEGLQUERYDEVICESTRINGEXTPROC)
--- a/Sources/Backends/OpenGL/EGL/EGLInstance.c
+++ b/Sources/Backends/OpenGL/EGL/EGLInstance.c
@@ -2,8 +2,12 @@
 // This file is part of "Pulse"
 // For conditions of distribution and use, see copyright notice in LICENSE

+#include <string.h>
+
 #include "EGLInstance.h"
 #include "../../../PulseInternal.h"
+#include "EGL/eglext.h"
+#include "../OpenGLDevice.h"

 static PulseLibModule egl_lib_module = PULSE_NULL_LIB_MODULE;
 static uint32_t loader_references_count = 0;
@@ -49,20 +53,76 @@ static bool EGLLoadFunctions(EGLInstance* instance)
 		instance->fn = (T)instance->eglGetProcAddress(#fn); \
 		if(!instance->fn) \
 			return false;
+	#define PULSE_EGL_FUNCTION_EXT(fn, T) instance->fn = (T)instance->eglGetProcAddress(#fn);
 		#include "EGLFunctions.h"
 	#undef PULSE_EGL_FUNCTION
+	#undef PULSE_EGL_FUNCTION_EXT

 	return true;
 }

-bool EGLLoadInstance(EGLInstance* instance, bool es_context)
+static bool EGLIsDeviceForbidden(EGLInstance* instance, EGLDeviceEXT device, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count)
+{
+	if(device == EGL_NO_DEVICE_EXT)
+		return true;
+
+	const char* test_device_vendor = instance->eglQueryDeviceStringEXT(device, EGL_VENDOR);
+
+	for(uint32_t i = 0; i < forbiden_devices_count; i++)
+	{
+		OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(forbiden_devices[i], OpenGLDevice*);
+		if(opengl_device->context_type != OPENGL_CONTEXT_EGL)
+			continue;
+
+		const char* device_vendor = instance->eglQueryDeviceStringEXT(opengl_device->egl_instance.device, EGL_VENDOR);
+		if(device_vendor && test_device_vendor && strcmp(test_device_vendor, device_vendor) == 0)
+			return true;
+	}
+	return false;
+}
+
+#include <stdio.h>
+
+bool EGLLoadInstance(EGLInstance* instance, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count, bool es_context)
 {
 	PULSE_CHECK_PTR_RETVAL(instance, false);

 	if(!EGLLoadFunctions(instance))
 		return false;

-	instance->display = instance->eglGetDisplay(EGL_DEFAULT_DISPLAY);
+	instance->device = EGL_NO_DEVICE_EXT;
+
+	if(instance->eglGetPlatformDisplayEXT && instance->eglQueryDevicesEXT && instance->eglQueryDeviceStringEXT)
+	{
+		EGLDeviceEXT* devices = PULSE_NULLPTR;
+		EGLDeviceEXT chosen_one = EGL_NO_DEVICE_EXT;
+		int32_t device_count;
+		uint64_t best_device_score = 0;
+
+		instance->eglQueryDevicesEXT(0, PULSE_NULLPTR, &device_count);
+		devices = (EGLDeviceEXT*)calloc(device_count, sizeof(EGLDeviceEXT));
+		PULSE_CHECK_ALLOCATION_RETVAL(devices, false);
+		instance->eglQueryDevicesEXT(device_count, devices, &device_count);
+
+		for(int32_t i = 0; i < device_count; i++)
+		{
+			if(EGLIsDeviceForbidden(instance, devices[i], forbiden_devices, forbiden_devices_count))
+				continue;
+			const char* exts = instance->eglQueryDeviceStringEXT(devices[i], EGL_EXTENSIONS);
+			uint64_t current_device_score = 0;
+			if(strstr(exts, "EGL_EXT_device_drm")) // tricky way to check if it is a discrete GPU
+				current_device_score += 10000;
+			if(current_device_score > best_device_score)
+			{
+				best_device_score = current_device_score;
+				chosen_one = devices[i];
+			}
+		}
+
+		instance->display = instance->eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, chosen_one, PULSE_NULLPTR);
+	}
+	else
+		instance->display = instance->eglGetDisplay(EGL_DEFAULT_DISPLAY);
 	PULSE_CHECK_PTR_RETVAL(instance->display, false);

 	instance->eglInitialize(instance->display, PULSE_NULLPTR, PULSE_NULLPTR);
--- a/Sources/Backends/OpenGL/EGL/EGLInstance.h
+++ b/Sources/Backends/OpenGL/EGL/EGLInstance.h
@@ -9,6 +9,7 @@

 #define EGL_EGL_PROTOTYPES 0
 #include <EGL/egl.h>
+#include <EGL/eglext.h>
 #include <Pulse.h>

 typedef struct EGLInstance
@@ -18,12 +19,16 @@ typedef struct EGLInstance
 	EGLContext context;
 	EGLConfig config;

+	EGLDeviceEXT device;
+
 	#define PULSE_EGL_FUNCTION(fn, T) T fn;
+	#define PULSE_EGL_FUNCTION_EXT(fn, T) T fn;
 		#include "EGLFunctions.h"
 	#undef PULSE_EGL_FUNCTION
+	#undef PULSE_EGL_FUNCTION_EXT
 } EGLInstance;

-bool EGLLoadInstance(EGLInstance* instance, bool es_context);
+bool EGLLoadInstance(EGLInstance* instance, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count, bool es_context);
 void EGLUnloadInstance(EGLInstance* instance);

 #endif // PULSE_EGL_CONTEXT_H_
--- a/Sources/Backends/OpenGL/OpenGL.c
+++ b/Sources/Backends/OpenGL/OpenGL.c
@@ -6,82 +6,61 @@
 #include "../../PulseInternal.h"

 #include "OpenGL.h"
+#include "OpenGLDevice.h"

 PulseBackendFlags OpenGLCheckSupport(PulseBackendFlags candidates, PulseShaderFormatsFlags shader_formats_used)
-{
-	if(candidates != PULSE_BACKEND_ANY && ((candidates & PULSE_BACKEND_OPENGL) == 0 || (candidates & PULSE_BACKEND_OPENGL_ES) == 0))
-		return PULSE_BACKEND_INVALID;
-	if((shader_formats_used & PULSE_SHADER_FORMAT_GLSL_BIT) == 0)
-		return PULSE_BACKEND_INVALID;
-
-	EGLInstance instance;
-	if(!EGLLoadInstance(&instance, candidates))
-		return PULSE_BACKEND_INVALID;
-	EGLUnloadInstance(&instance);
-	return PULSE_BACKEND_OPENGL;
-}
-
-bool OpenGLLoadBackend(PulseBackend backend, PulseDebugLevel debug_level)
-{
-	PULSE_UNUSED(backend);
-	PULSE_UNUSED(debug_level);
-	OpenGLDriverData* driver_data = (OpenGLDriverData*)calloc(1, sizeof(OpenGLDriverData));
-	PULSE_CHECK_ALLOCATION_RETVAL(driver_data, false);
-	#ifdef PULSE_PLAT_WINDOWS
-		// WGL support
-	#else
-		EGLLoadInstance(&driver_data->egl_instance, false);
-	#endif
-	OpenGLDriver.driver_data = driver_data;
-	return true;
-}
-
-void OpenGLUnloadBackend(PulseBackend backend)
-{
-	EGLUnloadInstance(&OPENGL_RETRIEVE_DRIVER_DATA_AS(backend, OpenGLDriverData*)->egl_instance);
-	free(backend->driver_data);
-}
-
-PulseBackendFlags OpenGLESCheckSupport(PulseBackendFlags candidates, PulseShaderFormatsFlags shader_formats_used)
 {
 	if(candidates != PULSE_BACKEND_ANY && (candidates & PULSE_BACKEND_OPENGL) == 0)
 		return PULSE_BACKEND_INVALID;
 	if((shader_formats_used & PULSE_SHADER_FORMAT_GLSL_BIT) == 0)
 		return PULSE_BACKEND_INVALID;

+	PulseDevice device = OpenGLCreateDevice(&OpenGLDriver, PULSE_NULLPTR, 0);
+	PULSE_CHECK_HANDLE_RETVAL(device, PULSE_BACKEND_INVALID);
+	OpenGLDestroyDevice(device);
+
 	return PULSE_BACKEND_OPENGL;
 }

-bool OpenGLESLoadBackend(PulseBackend backend, PulseDebugLevel debug_level)
+PulseBackendFlags OpenGLESCheckSupport(PulseBackendFlags candidates, PulseShaderFormatsFlags shader_formats_used)
+{
+	if(candidates != PULSE_BACKEND_ANY && (candidates & PULSE_BACKEND_OPENGL_ES) == 0)
+		return PULSE_BACKEND_INVALID;
+	if((shader_formats_used & PULSE_SHADER_FORMAT_GLSL_BIT) == 0)
+		return PULSE_BACKEND_INVALID;
+
+	PulseDevice device = OpenGLCreateDevice(&OpenGLESDriver, PULSE_NULLPTR, 0);
+	PULSE_CHECK_HANDLE_RETVAL(device, PULSE_BACKEND_INVALID);
+	OpenGLDestroyDevice(device);
+
+	return PULSE_BACKEND_OPENGL_ES;
+}
+
+bool OpenGLLoadBackend(PulseBackend backend, PulseDebugLevel debug_level)
 {
 	PULSE_UNUSED(backend);
 	PULSE_UNUSED(debug_level);
-	OpenGLDriverData* driver_data = (OpenGLDriverData*)calloc(1, sizeof(OpenGLDriverData));
-	PULSE_CHECK_ALLOCATION_RETVAL(driver_data, false);
-	EGLLoadInstance(&driver_data->egl_instance, true);
-	OpenGLDriver.driver_data = driver_data;
 	return true;
 }

-void OpenGLESUnloadBackend(PulseBackend backend)
+void OpenGLUnloadBackend(PulseBackend backend)
 {
-	EGLUnloadInstance(&OPENGL_RETRIEVE_DRIVER_DATA_AS(backend, OpenGLDriverData*)->egl_instance);
-	free(backend->driver_data);
+	PULSE_UNUSED(backend);
 }

 PulseBackendHandler OpenGLDriver = {
 	.PFN_LoadBackend = OpenGLLoadBackend,
 	.PFN_UnloadBackend = OpenGLUnloadBackend,
-	.PFN_CreateDevice = PULSE_NULLPTR,
+	.PFN_CreateDevice = OpenGLCreateDevice,
 	.backend = PULSE_BACKEND_OPENGL,
 	.supported_shader_formats = PULSE_SHADER_FORMAT_GLSL_BIT,
 	.driver_data = PULSE_NULLPTR
 };

 PulseBackendHandler OpenGLESDriver = {
-	.PFN_LoadBackend = OpenGLESLoadBackend,
-	.PFN_UnloadBackend = OpenGLESUnloadBackend,
-	.PFN_CreateDevice = PULSE_NULLPTR,
+	.PFN_LoadBackend = OpenGLLoadBackend,
+	.PFN_UnloadBackend = OpenGLUnloadBackend,
+	.PFN_CreateDevice = OpenGLCreateDevice,
 	.backend = PULSE_BACKEND_OPENGL_ES,
 	.supported_shader_formats = PULSE_SHADER_FORMAT_GLSL_BIT,
 	.driver_data = PULSE_NULLPTR
--- a/Sources/Backends/OpenGL/OpenGL.h
+++ b/Sources/Backends/OpenGL/OpenGL.h
@@ -11,15 +11,15 @@

 #define OPENGL_RETRIEVE_DRIVER_DATA_AS(handle, cast) ((cast)handle->driver_data)

-#include "EGL/EGLInstance.h"
+#include "OpenGLEnums.h"

-typedef struct OpenGLDriverData
-{
-	union
-	{
-		EGLInstance egl_instance;
-	};
-} OpenGLDriverData;
+#define GL_GLES_PROTOTYPES 0
+#include <GLES3/gl31.h>
+
+#define GL_STACK_UNDERFLOW 0x0504
+#define GL_STACK_OVERFLOW  0x0503
+
+typedef void(*GLFunction)(void);

 PulseBackendFlags OpenGLCheckSupport(PulseBackendFlags candidates, PulseShaderFormatsFlags shader_formats_used); // Return PULSE_BACKEND_OPENGL in case of success and PULSE_BACKEND_INVALID otherwise
 PulseBackendFlags OpenGLESCheckSupport(PulseBackendFlags candidates, PulseShaderFormatsFlags shader_formats_used); // Return PULSE_BACKEND_OPENGL_ES in case of success and PULSE_BACKEND_INVALID otherwise
--- a/Sources/Backends/OpenGL/OpenGLBuffer.c
+++ b/Sources/Backends/OpenGL/OpenGLBuffer.c
@@ -0,0 +1,32 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGLBuffer.h"
+
+PulseBuffer OpenGLCreateBuffer(PulseDevice device, const PulseBufferCreateInfo* create_infos)
+{
+}
+
+bool OpenGLMapBuffer(PulseBuffer buffer, PulseMapMode mode, void** data)
+{
+}
+
+void OpenGLUnmapBuffer(PulseBuffer buffer)
+{
+}
+
+bool OpenGLCopyBufferToBuffer(PulseCommandList cmd, const PulseBufferRegion* src, const PulseBufferRegion* dst)
+{
+}
+
+bool OpenGLCopyBufferToImage(PulseCommandList cmd, const PulseBufferRegion* src, const PulseImageRegion* dst)
+{
+}
+
+void OpenGLDestroyBuffer(PulseDevice device, PulseBuffer buffer)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLBuffer.h
+++ b/Sources/Backends/OpenGL/OpenGLBuffer.h
@@ -0,0 +1,26 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_BUFFER_H_
+#define PULSE_OPENGL_BUFFER_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+
+typedef struct OpenGLBuffer
+{
+} OpenGLBuffer;
+
+PulseBuffer OpenGLCreateBuffer(PulseDevice device, const PulseBufferCreateInfo* create_infos);
+bool OpenGLMapBuffer(PulseBuffer buffer, PulseMapMode mode, void** data);
+void OpenGLUnmapBuffer(PulseBuffer buffer);
+bool OpenGLCopyBufferToBuffer(PulseCommandList cmd, const PulseBufferRegion* src, const PulseBufferRegion* dst);
+bool OpenGLCopyBufferToImage(PulseCommandList cmd, const PulseBufferRegion* src, const PulseImageRegion* dst);
+void OpenGLDestroyBuffer(PulseDevice device, PulseBuffer buffer);
+
+#endif // PULSE_OPENGL_BUFFER_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLCommandList.c
+++ b/Sources/Backends/OpenGL/OpenGLCommandList.c
@@ -0,0 +1,21 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLCommandList.h"
+
+PulseCommandList OpenGLRequestCommandList(PulseDevice device, PulseCommandListUsage usage)
+{
+}
+
+bool OpenGLSubmitCommandList(PulseDevice device, PulseCommandList cmd, PulseFence fence)
+{
+}
+
+void OpenGLReleaseCommandList(PulseDevice device, PulseCommandList cmd)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLCommandList.h
+++ b/Sources/Backends/OpenGL/OpenGLCommandList.h
@@ -0,0 +1,24 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_COMMAND_LIST_H_
+#define PULSE_OPENGL_COMMAND_LIST_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+#include "OpenGLBuffer.h"
+
+typedef struct OpenGLCommandList
+{
+} OpenGLCommandList;
+
+PulseCommandList OpenGLRequestCommandList(PulseDevice device, PulseCommandListUsage usage);
+bool OpenGLSubmitCommandList(PulseDevice device, PulseCommandList cmd, PulseFence fence);
+void OpenGLReleaseCommandList(PulseDevice device, PulseCommandList cmd);
+
+#endif // PULSE_OPENGL_COMMAND_LIST_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLComputePass.c
+++ b/Sources/Backends/OpenGL/OpenGLComputePass.c
@@ -0,0 +1,45 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLComputePass.h"
+
+PulseComputePass OpenGLCreateComputePass(PulseDevice device, PulseCommandList cmd)
+{
+}
+
+void OpenGLDestroyComputePass(PulseDevice device, PulseComputePass pass)
+{
+}
+
+PulseComputePass OpenGLBeginComputePass(PulseCommandList cmd)
+{
+}
+
+void OpenGLEndComputePass(PulseComputePass pass)
+{
+}
+
+void OpenGLBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers)
+{
+}
+
+void OpenGLBindUniformData(PulseComputePass pass, uint32_t slot, const void* data, uint32_t data_size)
+{
+}
+
+void OpenGLBindStorageImages(PulseComputePass pass, const PulseImage* images, uint32_t num_images)
+{
+}
+
+void OpenGLBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline)
+{
+}
+
+void OpenGLDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLComputePass.h
+++ b/Sources/Backends/OpenGL/OpenGLComputePass.h
@@ -0,0 +1,33 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_COMPUTE_PASS_H_
+#define PULSE_OPENGL_COMPUTE_PASS_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+#include "OpenGLBuffer.h"
+#include "OpenGLCommandList.h"
+
+typedef struct OpenGLComputePass
+{
+} OpenGLComputePass;
+
+PulseComputePass OpenGLCreateComputePass(PulseDevice device, PulseCommandList cmd);
+void OpenGLDestroyComputePass(PulseDevice device, PulseComputePass pass);
+
+PulseComputePass OpenGLBeginComputePass(PulseCommandList cmd);
+void OpenGLEndComputePass(PulseComputePass pass);
+void OpenGLBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers);
+void OpenGLBindUniformData(PulseComputePass pass, uint32_t slot, const void* data, uint32_t data_size);
+void OpenGLBindStorageImages(PulseComputePass pass, const PulseImage* images, uint32_t num_images);
+void OpenGLBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline);
+void OpenGLDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z);
+
+#endif // PULSE_OPENGL_COMPUTE_PASS_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
+
--- a/Sources/Backends/OpenGL/OpenGLComputePipeline.c
+++ b/Sources/Backends/OpenGL/OpenGLComputePipeline.c
@@ -0,0 +1,17 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLComputePipeline.h"
+
+PulseComputePipeline OpenGLCreateComputePipeline(PulseDevice device, const PulseComputePipelineCreateInfo* info)
+{
+}
+
+void OpenGLDestroyComputePipeline(PulseDevice device, PulseComputePipeline pipeline)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLComputePipeline.h
+++ b/Sources/Backends/OpenGL/OpenGLComputePipeline.h
@@ -0,0 +1,22 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_COMPUTE_PIPELINE_H_
+#define PULSE_OPENGL_COMPUTE_PIPELINE_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+
+typedef struct OpenGLComputePipeline
+{
+} OpenGLComputePipeline;
+
+PulseComputePipeline OpenGLCreateComputePipeline(PulseDevice device, const PulseComputePipelineCreateInfo* info);
+void OpenGLDestroyComputePipeline(PulseDevice device, PulseComputePipeline pipeline);
+
+#endif // PULSE_OPENGL_COMPUTE_PIPELINE_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLContext.h
+++ b/Sources/Backends/OpenGL/OpenGLContext.h
--- a/Sources/Backends/OpenGL/OpenGLDevice.c
+++ b/Sources/Backends/OpenGL/OpenGLDevice.c
@@ -0,0 +1,213 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <stdio.h>
+#include <string.h>
+
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLComputePipeline.h"
+#include "OpenGLCommandList.h"
+#include "OpenGLDevice.h"
+#include "OpenGLFence.h"
+#include "OpenGLBuffer.h"
+#include "OpenGLImage.h"
+#include "OpenGLComputePass.h"
+
+static const char* OpenGLFunctionIndexToFunctionName[] = {
+	#define PULSE_OPENGL_FUNCTION(fn, T) #fn,
+		#include "OpenGLFunctions.h"
+	#undef PULSE_OPENGL_FUNCTION
+};
+
+typedef GLFunction(*GLFunctionLoad)(const char*);
+
+const char* OpenGLVerbaliseError(GLenum code)
+{
+	switch (code)
+	{
+		// OpenGL / OpenGL ES error codes
+		case GL_INVALID_ENUM:                  return "an unacceptable value is specified for an enumerated argument";
+		case GL_INVALID_VALUE:                 return "a numeric argument is out of range";
+		case GL_INVALID_OPERATION:             return "the specified operation is not allowed in the current state";
+		case GL_INVALID_FRAMEBUFFER_OPERATION: return "the framebuffer object is not complete";
+		case GL_OUT_OF_MEMORY:                 return "there is not enough memory left to execute the command";
+
+		// OpenGL error codes
+		case GL_STACK_UNDERFLOW: return "an attempt has been made to perform an operation that would cause an internal stack to underflow";
+		case GL_STACK_OVERFLOW:  return "an attempt has been made to perform an operation that would cause an internal stack to overflow";
+
+		default: break;
+	}
+
+	return "unknown OpenGL error";
+}
+
+static void PulseCheckGLError(PulseDevice device, const char* function)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	GLenum err = ((PFNGLGETERRORPROC)opengl_device->original_function_ptrs[glGetError])();
+	if(err == GL_NO_ERROR)
+		return;
+
+	char message[4096] = { 0 };
+	snprintf(message, 4096, "%s call to %s failed. Unrolling the error stack:\n", device->backend->backend == PULSE_BACKEND_OPENGL ? "(OpenGL)" : "(OpenGL ES)", function);
+
+	int i = 0;
+	for(; err != GL_NO_ERROR; err = ((PFNGLGETERRORPROC)opengl_device->original_function_ptrs[glGetError])(), i++)
+		snprintf(message + strlen(message), 4096 - strlen(message), "    #%d %s\n", i, OpenGLVerbaliseError(err));
+
+	PulseLogBackend(device->backend, PULSE_DEBUG_MESSAGE_SEVERITY_ERROR, message, __FILE__, function, 0);
+}
+
+static void OpenGLDeviceMakeCurrent(PulseDevice device)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	#ifdef PULSE_PLAT_WINDOWS
+		if(opengl_device->context_type == OPENGL_CONTEXT_WGL)
+		{} // TODO: WGL
+		else
+		{
+			EGLInstance* instance = &opengl_device->egl_instance;
+			instance->eglMakeCurrent(instance->display, instance->surface, instance->surface, instance->context);
+		}
+	#else
+		EGLInstance* instance = &opengl_device->egl_instance;
+		instance->eglMakeCurrent(instance->display, instance->surface, instance->surface, instance->context);
+	#endif
+}
+
+#define PULSE_OPENGL_WRAPPER_RET(ret, fn, arg_list, param_list, cast) \
+	static ret PulseOpenGLWrapper_##fn arg_list \
+	{ \
+		OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*); \
+		OpenGLDeviceMakeCurrent(device); \
+		ret result = ((cast)opengl_device->original_function_ptrs[fn]) param_list; \
+		if(device->backend->debug_level != PULSE_NO_DEBUG) \
+			PulseCheckGLError(device, #fn); \
+		return result; \
+	}
+
+#define PULSE_OPENGL_WRAPPER(fn, arg_list, param_list, cast) \
+	static void PulseOpenGLWrapper_##fn arg_list \
+	{ \
+		OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*); \
+		OpenGLDeviceMakeCurrent(device); \
+		((cast)opengl_device->original_function_ptrs[fn]) param_list; \
+		if(device->backend->debug_level != PULSE_NO_DEBUG) \
+			PulseCheckGLError(device, #fn); \
+	}
+
+#include "OpenGLWraps.h"
+
+#undef PULSE_OPENGL_WRAPPER
+#undef PULSE_OPENGL_WRAPPER_RET
+
+static bool OpenGLLoadFunction(PulseDevice device, OpenGLFunctionIndex index)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+	GLFunctionLoad load = PULSE_NULLPTR;
+
+	#ifdef PULSE_PLAT_WINDOWS
+		if(opengl_device->context_type == OPENGL_CONTEXT_WGL)
+		{} // TODO: WGL
+		else
+			load = (GLFunctionLoad)opengl_device->egl_instance.eglGetProcAddress;
+	#else
+		load = (GLFunctionLoad)opengl_device->egl_instance.eglGetProcAddress;
+	#endif
+
+	GLFunction fn = load(OpenGLFunctionIndexToFunctionName[index]);
+	if(!fn)
+	{
+		PulseSetInternalError(PULSE_ERROR_INITIALIZATION_FAILED);
+		return false;
+	}
+	opengl_device->original_function_ptrs[index] = fn;
+	return true;
+}
+
+static bool OpenGLLoadFunctions(PulseDevice device)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+
+	for(int i = 0; i < OPENGL_FUNCTION_INDEX_END_ENUM; i++)
+	{
+		if(!OpenGLLoadFunction(device, i))
+			return false;
+	}
+
+	#define PULSE_OPENGL_FUNCTION(fn, T) opengl_device->fn = PulseOpenGLWrapper_##fn;
+		#include "OpenGLFunctions.h"
+	#undef PULSE_OPENGL_FUNCTION
+
+	return true;
+}
+
+PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count)
+{
+	PULSE_CHECK_HANDLE_RETVAL(backend, PULSE_NULLPTR);
+
+	PulseDevice pulse_device = (PulseDeviceHandler*)calloc(1, sizeof(PulseDeviceHandler));
+	PULSE_CHECK_ALLOCATION_RETVAL(pulse_device, PULSE_NULL_HANDLE);
+
+	OpenGLDevice* device = (OpenGLDevice*)calloc(1, sizeof(OpenGLDevice));
+	PULSE_CHECK_ALLOCATION_RETVAL(device, PULSE_NULL_HANDLE);
+
+	pulse_device->driver_data = device;
+	pulse_device->backend = backend;
+
+	#ifdef PULSE_PLAT_WINDOWS
+		// WGL support
+		if(opengl_device->context_type == OPENGL_CONTEXT_WGL)
+		{
+			// TODO: WGL
+			device->context_type = OPENGL_CONTEXT_WGL;
+		}
+		else
+		{
+			EGLLoadInstance(&device->egl_instance, forbiden_devices, forbiden_devices_count, backend->backend == PULSE_BACKEND_OPENGL_ES);
+			device->context_type = OPENGL_CONTEXT_EGL;
+		}
+	#else
+		EGLLoadInstance(&device->egl_instance, forbiden_devices, forbiden_devices_count, backend->backend == PULSE_BACKEND_OPENGL_ES);
+		device->context_type = OPENGL_CONTEXT_EGL;
+	#endif
+
+	if(!OpenGLLoadFunctions(pulse_device))
+	{
+		EGLUnloadInstance(&device->egl_instance);
+		PulseSetInternalError(PULSE_ERROR_INITIALIZATION_FAILED);
+		return PULSE_NULL_HANDLE;
+	}
+
+	PULSE_LOAD_DRIVER_DEVICE(OpenGL);
+
+	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)
+{
+	OpenGLDevice* opengl_device = OPENGL_RETRIEVE_DRIVER_DATA_AS(device, OpenGLDevice*);
+	if(opengl_device == PULSE_NULLPTR)
+		return;
+
+	#ifdef PULSE_PLAT_WINDOWS
+		if(opengl_device->context_type == OPENGL_CONTEXT_WGL)
+		{} // TODO: WGL
+		else
+			EGLUnloadInstance(&opengl_device->egl_instance);
+	#else
+		EGLUnloadInstance(&opengl_device->egl_instance);
+	#endif
+	free(opengl_device);
+	free(device);
+}
--- a/Sources/Backends/OpenGL/OpenGLDevice.h
+++ b/Sources/Backends/OpenGL/OpenGLDevice.h
@@ -0,0 +1,42 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_DEVICE_H_
+#define PULSE_OPENGL_DEVICE_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+#include "EGL/EGLInstance.h"
+
+#define PULSE_OPENGL_WRAPPER_RET(ret, fn, arg_list, param_list, cast) typedef ret (*PulseOpenGLWrapperPFN_##fn) arg_list ;
+#define PULSE_OPENGL_WRAPPER(fn, arg_list, param_list, cast) typedef void (*PulseOpenGLWrapperPFN_##fn) arg_list ;
+	#include "OpenGLWraps.h"
+#undef PULSE_OPENGL_WRAPPER
+#undef PULSE_OPENGL_WRAPPER_RET
+
+typedef struct OpenGLDevice
+{
+	GLFunction original_function_ptrs[OPENGL_FUNCTION_INDEX_END_ENUM];
+
+	union
+	{
+		EGLInstance egl_instance;
+	};
+	OpenGLContextType context_type;
+
+	#define PULSE_OPENGL_WRAPPER_RET(ret, fn, arg_list, param_list, cast) PulseOpenGLWrapperPFN_##fn fn;
+	#define PULSE_OPENGL_WRAPPER(fn, arg_list, param_list, cast) PulseOpenGLWrapperPFN_##fn fn;
+		#include "OpenGLWraps.h"
+	#undef PULSE_OPENGL_WRAPPER
+	#undef PULSE_OPENGL_WRAPPER_RET
+} OpenGLDevice;
+
+PulseDevice OpenGLCreateDevice(PulseBackend backend, PulseDevice* forbiden_devices, uint32_t forbiden_devices_count);
+void OpenGLDestroyDevice(PulseDevice device);
+
+#endif // PULSE_OPENGL_DEVICE_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLEnums.h
+++ b/Sources/Backends/OpenGL/OpenGLEnums.h
@@ -0,0 +1,29 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_ENUMS_H_
+#define PULSE_OPENGL_ENUMS_H_
+
+typedef enum OpenGLContextType
+{
+	OPENGL_CONTEXT_EGL = 0,
+	OPENGL_CONTEXT_WGL,
+
+	OPENGL_CONTEXT_END_ENUM // For internal use only
+} OpenGLContextType;
+
+typedef enum OpenGLFunctionIndex
+{
+	#define PULSE_OPENGL_FUNCTION(fn, T) fn,
+		#include "OpenGLFunctions.h"
+	#undef PULSE_OPENGL_FUNCTION
+
+	OPENGL_FUNCTION_INDEX_END_ENUM
+} OpenGLFunctionIndex;
+
+#endif // PULSE_OPENGL_ENUMS_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLFence.c
+++ b/Sources/Backends/OpenGL/OpenGLFence.c
@@ -0,0 +1,25 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLFence.h"
+
+PulseFence OpenGLCreateFence(PulseDevice device)
+{
+}
+
+void OpenGLDestroyFence(PulseDevice device, PulseFence fence)
+{
+}
+
+bool OpenGLIsFenceReady(PulseDevice device, PulseFence fence)
+{
+}
+
+bool OpenGLWaitForFences(PulseDevice device, const PulseFence* fences, uint32_t fences_count, bool wait_for_all)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLFence.h
+++ b/Sources/Backends/OpenGL/OpenGLFence.h
@@ -0,0 +1,24 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_FENCE_H_
+#define PULSE_OPENGL_FENCE_H_
+
+#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);
+bool OpenGLWaitForFences(PulseDevice device, const PulseFence* fences, uint32_t fences_count, bool wait_for_all);
+
+#endif // PULSE_OPENGL_FENCE_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLFunctions.h
+++ b/Sources/Backends/OpenGL/OpenGLFunctions.h
@@ -0,0 +1,142 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+// No header guards
+
+#ifndef PULSE_OPENGL_FUNCTION
+	#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
+
+// OpenGL core
+PULSE_OPENGL_FUNCTION(glActiveTexture, PFNGLACTIVETEXTUREPROC)
+PULSE_OPENGL_FUNCTION(glAttachShader, PFNGLATTACHSHADERPROC)
+PULSE_OPENGL_FUNCTION(glBeginQuery, PFNGLBEGINQUERYPROC)
+PULSE_OPENGL_FUNCTION(glBindAttribLocation, PFNGLBINDATTRIBLOCATIONPROC)
+PULSE_OPENGL_FUNCTION(glBindBuffer, PFNGLBINDBUFFERPROC)
+PULSE_OPENGL_FUNCTION(glBindBufferRange, PFNGLBINDBUFFERRANGEPROC)
+PULSE_OPENGL_FUNCTION(glBindRenderbuffer, PFNGLBINDRENDERBUFFERPROC)
+PULSE_OPENGL_FUNCTION(glBindSampler, PFNGLBINDSAMPLERPROC)
+PULSE_OPENGL_FUNCTION(glBindTexture, PFNGLBINDTEXTUREPROC)
+PULSE_OPENGL_FUNCTION(glBlendEquationSeparate, PFNGLBLENDEQUATIONSEPARATEPROC)
+PULSE_OPENGL_FUNCTION(glBlendFuncSeparate, PFNGLBLENDFUNCSEPARATEPROC)
+PULSE_OPENGL_FUNCTION(glBufferData, PFNGLBUFFERDATAPROC)
+PULSE_OPENGL_FUNCTION(glBufferSubData, PFNGLBUFFERSUBDATAPROC)
+PULSE_OPENGL_FUNCTION(glClear, PFNGLCLEARPROC)
+PULSE_OPENGL_FUNCTION(glClearBufferfi, PFNGLCLEARBUFFERFIPROC)
+PULSE_OPENGL_FUNCTION(glClearBufferfv, PFNGLCLEARBUFFERFVPROC)
+PULSE_OPENGL_FUNCTION(glClearBufferuiv, PFNGLCLEARBUFFERUIVPROC)
+PULSE_OPENGL_FUNCTION(glClearDepthf, PFNGLCLEARDEPTHFPROC)
+PULSE_OPENGL_FUNCTION(glClearStencil, PFNGLCLEARSTENCILPROC)
+PULSE_OPENGL_FUNCTION(glCompileShader, PFNGLCOMPILESHADERPROC)
+PULSE_OPENGL_FUNCTION(glCompressedTexSubImage2D, PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_FUNCTION(glCompressedTexSubImage3D, PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)
+PULSE_OPENGL_FUNCTION(glCopyBufferSubData, PFNGLCOPYBUFFERSUBDATAPROC)
+PULSE_OPENGL_FUNCTION(glCopyTexSubImage2D, PFNGLCOPYTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_FUNCTION(glCreateProgram, PFNGLCREATEPROGRAMPROC)
+PULSE_OPENGL_FUNCTION(glCreateShader, PFNGLCREATESHADERPROC)
+PULSE_OPENGL_FUNCTION(glDeleteBuffers, PFNGLDELETEBUFFERSPROC)
+PULSE_OPENGL_FUNCTION(glDeleteProgram, PFNGLDELETEPROGRAMPROC)
+PULSE_OPENGL_FUNCTION(glDeleteQueries, PFNGLDELETEQUERIESPROC)
+PULSE_OPENGL_FUNCTION(glDeleteSamplers, PFNGLDELETESAMPLERSPROC)
+PULSE_OPENGL_FUNCTION(glDeleteShader, PFNGLDELETESHADERPROC)
+PULSE_OPENGL_FUNCTION(glDeleteTextures, PFNGLDELETETEXTURESPROC)
+PULSE_OPENGL_FUNCTION(glDisable, PFNGLDISABLEPROC)
+PULSE_OPENGL_FUNCTION(glEnable, PFNGLENABLEPROC)
+PULSE_OPENGL_FUNCTION(glEndQuery, PFNGLENDQUERYPROC)
+PULSE_OPENGL_FUNCTION(glFinish, PFNGLFINISHPROC)
+PULSE_OPENGL_FUNCTION(glFlush, PFNGLFLUSHPROC)
+PULSE_OPENGL_FUNCTION(glGenBuffers, PFNGLGENBUFFERSPROC)
+PULSE_OPENGL_FUNCTION(glGenQueries, PFNGLGENQUERIESPROC)
+PULSE_OPENGL_FUNCTION(glGenSamplers, PFNGLGENSAMPLERSPROC)
+PULSE_OPENGL_FUNCTION(glGenTextures, PFNGLGENTEXTURESPROC)
+PULSE_OPENGL_FUNCTION(glGetActiveUniform, PFNGLGETACTIVEUNIFORMPROC)
+PULSE_OPENGL_FUNCTION(glGetActiveUniformsiv, PFNGLGETACTIVEUNIFORMSIVPROC)
+PULSE_OPENGL_FUNCTION(glGetActiveUniformBlockiv, PFNGLGETACTIVEUNIFORMBLOCKIVPROC)
+PULSE_OPENGL_FUNCTION(glGetActiveUniformBlockName, PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)
+PULSE_OPENGL_FUNCTION(glGetBooleanv, PFNGLGETBOOLEANVPROC)
+PULSE_OPENGL_FUNCTION(glGetBufferParameteriv, PFNGLGETBUFFERPARAMETERIVPROC)
+PULSE_OPENGL_FUNCTION(glGetError, PFNGLGETERRORPROC)
+PULSE_OPENGL_FUNCTION(glGetFloatv, PFNGLGETFLOATVPROC)
+PULSE_OPENGL_FUNCTION(glGetInteger64i_v, PFNGLGETINTEGER64I_VPROC)
+PULSE_OPENGL_FUNCTION(glGetInteger64v, PFNGLGETINTEGER64VPROC)
+PULSE_OPENGL_FUNCTION(glGetIntegeri_v, PFNGLGETINTEGERI_VPROC)
+PULSE_OPENGL_FUNCTION(glGetIntegerv, PFNGLGETINTEGERVPROC)
+PULSE_OPENGL_FUNCTION(glGetProgramBinary, PFNGLGETPROGRAMBINARYPROC)
+PULSE_OPENGL_FUNCTION(glGetProgramInfoLog, PFNGLGETPROGRAMINFOLOGPROC)
+PULSE_OPENGL_FUNCTION(glGetProgramiv, PFNGLGETPROGRAMIVPROC)
+PULSE_OPENGL_FUNCTION(glGetQueryObjectuiv, PFNGLGETQUERYOBJECTUIVPROC)
+PULSE_OPENGL_FUNCTION(glGetQueryiv, PFNGLGETQUERYIVPROC)
+PULSE_OPENGL_FUNCTION(glGetShaderInfoLog, PFNGLGETSHADERINFOLOGPROC)
+PULSE_OPENGL_FUNCTION(glGetShaderSource, PFNGLGETSHADERSOURCEPROC)
+PULSE_OPENGL_FUNCTION(glGetShaderiv, PFNGLGETSHADERIVPROC)
+PULSE_OPENGL_FUNCTION(glGetString, PFNGLGETSTRINGPROC)
+PULSE_OPENGL_FUNCTION(glGetStringi, PFNGLGETSTRINGIPROC)
+PULSE_OPENGL_FUNCTION(glGetTexParameterfv, PFNGLGETTEXPARAMETERFVPROC)
+PULSE_OPENGL_FUNCTION(glGetTexParameteriv, PFNGLGETTEXPARAMETERIVPROC)
+PULSE_OPENGL_FUNCTION(glGetUniformLocation, PFNGLGETUNIFORMLOCATIONPROC)
+PULSE_OPENGL_FUNCTION(glGetUniformfv, PFNGLGETUNIFORMFVPROC)
+PULSE_OPENGL_FUNCTION(glGetUniformiv, PFNGLGETUNIFORMIVPROC)
+PULSE_OPENGL_FUNCTION(glGetUniformBlockIndex, PFNGLGETUNIFORMBLOCKINDEXPROC)
+PULSE_OPENGL_FUNCTION(glIsEnabled, PFNGLISENABLEDPROC)
+PULSE_OPENGL_FUNCTION(glLinkProgram, PFNGLLINKPROGRAMPROC)
+PULSE_OPENGL_FUNCTION(glMapBufferRange, PFNGLMAPBUFFERRANGEPROC)
+PULSE_OPENGL_FUNCTION(glPixelStorei, PFNGLPIXELSTOREIPROC)
+PULSE_OPENGL_FUNCTION(glPolygonOffset, PFNGLPOLYGONOFFSETPROC)
+PULSE_OPENGL_FUNCTION(glProgramBinary, PFNGLPROGRAMBINARYPROC)
+PULSE_OPENGL_FUNCTION(glProgramParameteri, PFNGLPROGRAMPARAMETERIPROC)
+PULSE_OPENGL_FUNCTION(glReadPixels, PFNGLREADPIXELSPROC)
+PULSE_OPENGL_FUNCTION(glRenderbufferStorage, PFNGLRENDERBUFFERSTORAGEPROC)
+PULSE_OPENGL_FUNCTION(glSamplerParameterf, PFNGLSAMPLERPARAMETERFPROC)
+PULSE_OPENGL_FUNCTION(glSamplerParameterfv, PFNGLSAMPLERPARAMETERFVPROC)
+PULSE_OPENGL_FUNCTION(glSamplerParameteri, PFNGLSAMPLERPARAMETERIPROC)
+PULSE_OPENGL_FUNCTION(glSamplerParameteriv, PFNGLSAMPLERPARAMETERIVPROC)
+PULSE_OPENGL_FUNCTION(glShaderBinary, PFNGLSHADERBINARYPROC)
+PULSE_OPENGL_FUNCTION(glShaderSource, PFNGLSHADERSOURCEPROC)
+PULSE_OPENGL_FUNCTION(glTexImage2D, PFNGLTEXIMAGE2DPROC)
+PULSE_OPENGL_FUNCTION(glTexImage3D, PFNGLTEXIMAGE3DPROC)
+PULSE_OPENGL_FUNCTION(glTexParameterf, PFNGLTEXPARAMETERFPROC)
+PULSE_OPENGL_FUNCTION(glTexParameterfv, PFNGLTEXPARAMETERFVPROC)
+PULSE_OPENGL_FUNCTION(glTexParameteri, PFNGLTEXPARAMETERIPROC)
+PULSE_OPENGL_FUNCTION(glTexParameteriv, PFNGLTEXPARAMETERIVPROC)
+PULSE_OPENGL_FUNCTION(glTexStorage2D, PFNGLTEXSTORAGE2DPROC)
+PULSE_OPENGL_FUNCTION(glTexStorage3D, PFNGLTEXSTORAGE3DPROC)
+PULSE_OPENGL_FUNCTION(glTexSubImage2D, PFNGLTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_FUNCTION(glTexSubImage3D, PFNGLTEXSUBIMAGE3DPROC)
+PULSE_OPENGL_FUNCTION(glUniform1f, PFNGLUNIFORM1FPROC)
+PULSE_OPENGL_FUNCTION(glUniform1fv, PFNGLUNIFORM1FVPROC)
+PULSE_OPENGL_FUNCTION(glUniform1i, PFNGLUNIFORM1IPROC)
+PULSE_OPENGL_FUNCTION(glUniform1iv, PFNGLUNIFORM1IVPROC)
+PULSE_OPENGL_FUNCTION(glUniform2fv, PFNGLUNIFORM2FVPROC)
+PULSE_OPENGL_FUNCTION(glUniform2iv, PFNGLUNIFORM2IVPROC)
+PULSE_OPENGL_FUNCTION(glUniform3fv, PFNGLUNIFORM3FVPROC)
+PULSE_OPENGL_FUNCTION(glUniform3iv, PFNGLUNIFORM3IVPROC)
+PULSE_OPENGL_FUNCTION(glUniform4fv, PFNGLUNIFORM4FVPROC)
+PULSE_OPENGL_FUNCTION(glUniform4iv, PFNGLUNIFORM4IVPROC)
+PULSE_OPENGL_FUNCTION(glUniformBlockBinding, PFNGLUNIFORMBLOCKBINDINGPROC)
+PULSE_OPENGL_FUNCTION(glUniformMatrix4fv, PFNGLUNIFORMMATRIX4FVPROC)
+PULSE_OPENGL_FUNCTION(glUnmapBuffer, PFNGLUNMAPBUFFERPROC)
+PULSE_OPENGL_FUNCTION(glUseProgram, PFNGLUSEPROGRAMPROC)
+PULSE_OPENGL_FUNCTION(glValidateProgram, PFNGLVALIDATEPROGRAMPROC)
+
+// OpenGL 4.2 - OpenGL ES 3.1
+PULSE_OPENGL_GL_GLES_FUNCTION(420, 310, glBindImageTexture, PFNGLBINDIMAGETEXTUREPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(420, 310, glGetBooleani_v, PFNGLGETBOOLEANI_VPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(420, 310, glMemoryBarrier, PFNGLMEMORYBARRIERPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(420, 310, glMemoryBarrierByRegion, PFNGLMEMORYBARRIERBYREGIONPROC)
+
+// OpenGL 4.3 - OpenGL ES 3.1
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glDispatchCompute, PFNGLDISPATCHCOMPUTEPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramInterfaceiv, PFNGLGETPROGRAMINTERFACEIVPROC)
+PULSE_OPENGL_GL_GLES_FUNCTION(430, 310, glGetProgramResourceiv, PFNGLGETPROGRAMRESOURCEIVPROC)
+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)
--- a/Sources/Backends/OpenGL/OpenGLImage.c
+++ b/Sources/Backends/OpenGL/OpenGLImage.c
@@ -0,0 +1,29 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#include "../../PulseInternal.h"
+#include "OpenGL.h"
+#include "OpenGLImage.h"
+
+PulseImage OpenGLCreateImage(PulseDevice device, const PulseImageCreateInfo* create_infos)
+{
+}
+
+bool OpenGLIsImageFormatValid(PulseDevice device, PulseImageFormat format, PulseImageType type, PulseImageUsageFlags usage)
+{
+}
+
+bool OpenGLCopyImageToBuffer(PulseCommandList cmd, const PulseImageRegion* src, const PulseBufferRegion* dst)
+{
+}
+
+bool OpenGLBlitImage(PulseCommandList cmd, const PulseImageRegion* src, const PulseImageRegion* dst)
+{
+}
+
+void OpenGLDestroyImage(PulseDevice device, PulseImage image)
+{
+}
--- a/Sources/Backends/OpenGL/OpenGLImage.h
+++ b/Sources/Backends/OpenGL/OpenGLImage.h
@@ -0,0 +1,25 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_OPENGL_BACKEND
+
+#ifndef PULSE_OPENGL_IMAGE_H_
+#define PULSE_OPENGL_IMAGE_H_
+
+#include <Pulse.h>
+#include "OpenGL.h"
+
+typedef struct OpenGLImage
+{
+} OpenGLImage;
+
+PulseImage OpenGLCreateImage(PulseDevice device, const PulseImageCreateInfo* create_infos);
+bool OpenGLIsImageFormatValid(PulseDevice device, PulseImageFormat format, PulseImageType type, PulseImageUsageFlags usage);
+bool OpenGLCopyImageToBuffer(PulseCommandList cmd, const PulseImageRegion* src, const PulseBufferRegion* dst);
+bool OpenGLBlitImage(PulseCommandList cmd, const PulseImageRegion* src, const PulseImageRegion* dst);
+void OpenGLDestroyImage(PulseDevice device, PulseImage image);
+
+#endif // PULSE_OPENGL_IMAGE_H_
+
+#endif // PULSE_ENABLE_OPENGL_BACKEND
--- a/Sources/Backends/OpenGL/OpenGLWraps.h
+++ b/Sources/Backends/OpenGL/OpenGLWraps.h
@@ -0,0 +1,135 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+// This is a generated file
+
+// No header guards
+
+#ifndef PULSE_OPENGL_WRAPPER_RET
+	#error "You must define PULSE_OPENGL_WRAPPER_RET before including this file"
+#endif
+
+#ifndef PULSE_OPENGL_WRAPPER
+	#error "You must define PULSE_OPENGL_WRAPPER before including this file"
+#endif
+
+PULSE_OPENGL_WRAPPER(glActiveTexture, (PulseDevice device, GLenum texture), (texture), PFNGLACTIVETEXTUREPROC)
+PULSE_OPENGL_WRAPPER(glAttachShader, (PulseDevice device, GLuint program, GLuint shader), (program, shader), PFNGLATTACHSHADERPROC)
+PULSE_OPENGL_WRAPPER(glBindAttribLocation, (PulseDevice device, GLuint program, GLuint index, const GLchar *name), (program, index, name), PFNGLBINDATTRIBLOCATIONPROC)
+PULSE_OPENGL_WRAPPER(glBindBuffer, (PulseDevice device, GLenum target, GLuint buffer), (target, buffer), PFNGLBINDBUFFERPROC)
+PULSE_OPENGL_WRAPPER(glBindRenderbuffer, (PulseDevice device, GLenum target, GLuint renderbuffer), (target, renderbuffer), PFNGLBINDRENDERBUFFERPROC)
+PULSE_OPENGL_WRAPPER(glBindTexture, (PulseDevice device, GLenum target, GLuint texture), (target, texture), PFNGLBINDTEXTUREPROC)
+PULSE_OPENGL_WRAPPER(glBlendEquationSeparate, (PulseDevice device, GLenum modeRGB, GLenum modeAlpha), (modeRGB, modeAlpha), PFNGLBLENDEQUATIONSEPARATEPROC)
+PULSE_OPENGL_WRAPPER(glBlendFuncSeparate, (PulseDevice device, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha), (sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha), PFNGLBLENDFUNCSEPARATEPROC)
+PULSE_OPENGL_WRAPPER(glBufferData, (PulseDevice device, GLenum target, GLsizeiptr size, const void *data, GLenum usage), (target, size, data, usage), PFNGLBUFFERDATAPROC)
+PULSE_OPENGL_WRAPPER(glBufferSubData, (PulseDevice device, GLenum target, GLintptr offset, GLsizeiptr size, const void *data), (target, offset, size, data), PFNGLBUFFERSUBDATAPROC)
+PULSE_OPENGL_WRAPPER(glClear, (PulseDevice device, GLbitfield mask), (mask), PFNGLCLEARPROC)
+PULSE_OPENGL_WRAPPER(glClearDepthf, (PulseDevice device, GLfloat d), (d), PFNGLCLEARDEPTHFPROC)
+PULSE_OPENGL_WRAPPER(glClearStencil, (PulseDevice device, GLint s), (s), PFNGLCLEARSTENCILPROC)
+PULSE_OPENGL_WRAPPER(glCompileShader, (PulseDevice device, GLuint shader), (shader), PFNGLCOMPILESHADERPROC)
+PULSE_OPENGL_WRAPPER(glCompressedTexSubImage2D, (PulseDevice device, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data), (target, level, xoffset, yoffset, width, height, format, imageSize, data), PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_WRAPPER(glCopyTexSubImage2D, (PulseDevice device, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height), (target, level, xoffset, yoffset, x, y, width, height), PFNGLCOPYTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_WRAPPER_RET(GLuint, glCreateProgram, (PulseDevice device), (), PFNGLCREATEPROGRAMPROC)
+PULSE_OPENGL_WRAPPER_RET(GLuint, glCreateShader, (PulseDevice device, GLenum type), (type), PFNGLCREATESHADERPROC)
+PULSE_OPENGL_WRAPPER(glDeleteBuffers, (PulseDevice device, GLsizei n, const GLuint *buffers), (n, buffers), PFNGLDELETEBUFFERSPROC)
+PULSE_OPENGL_WRAPPER(glDeleteProgram, (PulseDevice device, GLuint program), (program), PFNGLDELETEPROGRAMPROC)
+PULSE_OPENGL_WRAPPER(glDeleteShader, (PulseDevice device, GLuint shader), (shader), PFNGLDELETESHADERPROC)
+PULSE_OPENGL_WRAPPER(glDeleteTextures, (PulseDevice device, GLsizei n, const GLuint *textures), (n, textures), PFNGLDELETETEXTURESPROC)
+PULSE_OPENGL_WRAPPER(glDisable, (PulseDevice device, GLenum cap), (cap), PFNGLDISABLEPROC)
+PULSE_OPENGL_WRAPPER(glEnable, (PulseDevice device, GLenum cap), (cap), PFNGLENABLEPROC)
+PULSE_OPENGL_WRAPPER(glFinish, (PulseDevice device), (), PFNGLFINISHPROC)
+PULSE_OPENGL_WRAPPER(glFlush, (PulseDevice device), (), PFNGLFLUSHPROC)
+PULSE_OPENGL_WRAPPER(glGenBuffers, (PulseDevice device, GLsizei n, GLuint *buffers), (n, buffers), PFNGLGENBUFFERSPROC)
+PULSE_OPENGL_WRAPPER(glGenTextures, (PulseDevice device, GLsizei n, GLuint *textures), (n, textures), PFNGLGENTEXTURESPROC)
+PULSE_OPENGL_WRAPPER(glGetActiveUniform, (PulseDevice device, GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name), (program, index, bufSize, length, size, type, name), PFNGLGETACTIVEUNIFORMPROC)
+PULSE_OPENGL_WRAPPER(glGetBooleanv, (PulseDevice device, GLenum pname, GLboolean *data), (pname, data), PFNGLGETBOOLEANVPROC)
+PULSE_OPENGL_WRAPPER(glGetBufferParameteriv, (PulseDevice device, GLenum target, GLenum pname, GLint *params), (target, pname, params), PFNGLGETBUFFERPARAMETERIVPROC)
+PULSE_OPENGL_WRAPPER_RET(GLenum, glGetError, (PulseDevice device), (), PFNGLGETERRORPROC)
+PULSE_OPENGL_WRAPPER(glGetFloatv, (PulseDevice device, GLenum pname, GLfloat *data), (pname, data), PFNGLGETFLOATVPROC)
+PULSE_OPENGL_WRAPPER(glGetIntegerv, (PulseDevice device, GLenum pname, GLint *data), (pname, data), PFNGLGETINTEGERVPROC)
+PULSE_OPENGL_WRAPPER(glGetProgramiv, (PulseDevice device, GLuint program, GLenum pname, GLint *params), (program, pname, params), PFNGLGETPROGRAMIVPROC)
+PULSE_OPENGL_WRAPPER(glGetProgramInfoLog, (PulseDevice device, GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog), (program, bufSize, length, infoLog), PFNGLGETPROGRAMINFOLOGPROC)
+PULSE_OPENGL_WRAPPER(glGetShaderiv, (PulseDevice device, GLuint shader, GLenum pname, GLint *params), (shader, pname, params), PFNGLGETSHADERIVPROC)
+PULSE_OPENGL_WRAPPER(glGetShaderInfoLog, (PulseDevice device, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog), (shader, bufSize, length, infoLog), PFNGLGETSHADERINFOLOGPROC)
+PULSE_OPENGL_WRAPPER(glGetShaderSource, (PulseDevice device, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source), (shader, bufSize, length, source), PFNGLGETSHADERSOURCEPROC)
+PULSE_OPENGL_WRAPPER_RET(const GLubyte *, glGetString, (PulseDevice device, GLenum name), (name), PFNGLGETSTRINGPROC)
+PULSE_OPENGL_WRAPPER(glGetTexParameterfv, (PulseDevice device, GLenum target, GLenum pname, GLfloat *params), (target, pname, params), PFNGLGETTEXPARAMETERFVPROC)
+PULSE_OPENGL_WRAPPER(glGetTexParameteriv, (PulseDevice device, GLenum target, GLenum pname, GLint *params), (target, pname, params), PFNGLGETTEXPARAMETERIVPROC)
+PULSE_OPENGL_WRAPPER(glGetUniformfv, (PulseDevice device, GLuint program, GLint location, GLfloat *params), (program, location, params), PFNGLGETUNIFORMFVPROC)
+PULSE_OPENGL_WRAPPER(glGetUniformiv, (PulseDevice device, GLuint program, GLint location, GLint *params), (program, location, params), PFNGLGETUNIFORMIVPROC)
+PULSE_OPENGL_WRAPPER_RET(GLint, glGetUniformLocation, (PulseDevice device, GLuint program, const GLchar *name), (program, name), PFNGLGETUNIFORMLOCATIONPROC)
+PULSE_OPENGL_WRAPPER_RET(GLboolean, glIsEnabled, (PulseDevice device, GLenum cap), (cap), PFNGLISENABLEDPROC)
+PULSE_OPENGL_WRAPPER(glLinkProgram, (PulseDevice device, GLuint program), (program), PFNGLLINKPROGRAMPROC)
+PULSE_OPENGL_WRAPPER(glPixelStorei, (PulseDevice device, GLenum pname, GLint param), (pname, param), PFNGLPIXELSTOREIPROC)
+PULSE_OPENGL_WRAPPER(glPolygonOffset, (PulseDevice device, GLfloat factor, GLfloat units), (factor, units), PFNGLPOLYGONOFFSETPROC)
+PULSE_OPENGL_WRAPPER(glReadPixels, (PulseDevice device, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels), (x, y, width, height, format, type, pixels), PFNGLREADPIXELSPROC)
+PULSE_OPENGL_WRAPPER(glRenderbufferStorage, (PulseDevice device, GLenum target, GLenum internalformat, GLsizei width, GLsizei height), (target, internalformat, width, height), PFNGLRENDERBUFFERSTORAGEPROC)
+PULSE_OPENGL_WRAPPER(glShaderBinary, (PulseDevice device, GLsizei count, const GLuint *shaders, GLenum binaryformat, const void *binary, GLsizei length), (count, shaders, binaryformat, binary, length), PFNGLSHADERBINARYPROC)
+PULSE_OPENGL_WRAPPER(glShaderSource, (PulseDevice device, GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length), (shader, count, string, length), PFNGLSHADERSOURCEPROC)
+PULSE_OPENGL_WRAPPER(glTexImage2D, (PulseDevice device, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels), (target, level, internalformat, width, height, border, format, type, pixels), PFNGLTEXIMAGE2DPROC)
+PULSE_OPENGL_WRAPPER(glTexParameterf, (PulseDevice device, GLenum target, GLenum pname, GLfloat param), (target, pname, param), PFNGLTEXPARAMETERFPROC)
+PULSE_OPENGL_WRAPPER(glTexParameterfv, (PulseDevice device, GLenum target, GLenum pname, const GLfloat *params), (target, pname, params), PFNGLTEXPARAMETERFVPROC)
+PULSE_OPENGL_WRAPPER(glTexParameteri, (PulseDevice device, GLenum target, GLenum pname, GLint param), (target, pname, param), PFNGLTEXPARAMETERIPROC)
+PULSE_OPENGL_WRAPPER(glTexParameteriv, (PulseDevice device, GLenum target, GLenum pname, const GLint *params), (target, pname, params), PFNGLTEXPARAMETERIVPROC)
+PULSE_OPENGL_WRAPPER(glTexSubImage2D, (PulseDevice device, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels), (target, level, xoffset, yoffset, width, height, format, type, pixels), PFNGLTEXSUBIMAGE2DPROC)
+PULSE_OPENGL_WRAPPER(glUniform1f, (PulseDevice device, GLint location, GLfloat v0), (location, v0), PFNGLUNIFORM1FPROC)
+PULSE_OPENGL_WRAPPER(glUniform1fv, (PulseDevice device, GLint location, GLsizei count, const GLfloat *value), (location, count, value), PFNGLUNIFORM1FVPROC)
+PULSE_OPENGL_WRAPPER(glUniform1i, (PulseDevice device, GLint location, GLint v0), (location, v0), PFNGLUNIFORM1IPROC)
+PULSE_OPENGL_WRAPPER(glUniform1iv, (PulseDevice device, GLint location, GLsizei count, const GLint *value), (location, count, value), PFNGLUNIFORM1IVPROC)
+PULSE_OPENGL_WRAPPER(glUniform2fv, (PulseDevice device, GLint location, GLsizei count, const GLfloat *value), (location, count, value), PFNGLUNIFORM2FVPROC)
+PULSE_OPENGL_WRAPPER(glUniform2iv, (PulseDevice device, GLint location, GLsizei count, const GLint *value), (location, count, value), PFNGLUNIFORM2IVPROC)
+PULSE_OPENGL_WRAPPER(glUniform3fv, (PulseDevice device, GLint location, GLsizei count, const GLfloat *value), (location, count, value), PFNGLUNIFORM3FVPROC)
+PULSE_OPENGL_WRAPPER(glUniform3iv, (PulseDevice device, GLint location, GLsizei count, const GLint *value), (location, count, value), PFNGLUNIFORM3IVPROC)
+PULSE_OPENGL_WRAPPER(glUniform4fv, (PulseDevice device, GLint location, GLsizei count, const GLfloat *value), (location, count, value), PFNGLUNIFORM4FVPROC)
+PULSE_OPENGL_WRAPPER(glUniform4iv, (PulseDevice device, GLint location, GLsizei count, const GLint *value), (location, count, value), PFNGLUNIFORM4IVPROC)
+PULSE_OPENGL_WRAPPER(glUniformMatrix4fv, (PulseDevice device, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value), (location, count, transpose, value), PFNGLUNIFORMMATRIX4FVPROC)
+PULSE_OPENGL_WRAPPER(glUseProgram, (PulseDevice device, GLuint program), (program), PFNGLUSEPROGRAMPROC)
+PULSE_OPENGL_WRAPPER(glValidateProgram, (PulseDevice device, GLuint program), (program), PFNGLVALIDATEPROGRAMPROC)
+PULSE_OPENGL_WRAPPER(glTexImage3D, (PulseDevice device, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *pixels), (target, level, internalformat, width, height, depth, border, format, type, pixels), PFNGLTEXIMAGE3DPROC)
+PULSE_OPENGL_WRAPPER(glTexSubImage3D, (PulseDevice device, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels), (target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels), PFNGLTEXSUBIMAGE3DPROC)
+PULSE_OPENGL_WRAPPER(glCompressedTexSubImage3D, (PulseDevice device, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data), (target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data), PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)
+PULSE_OPENGL_WRAPPER(glGenQueries, (PulseDevice device, GLsizei n, GLuint *ids), (n, ids), PFNGLGENQUERIESPROC)
+PULSE_OPENGL_WRAPPER(glDeleteQueries, (PulseDevice device, GLsizei n, const GLuint *ids), (n, ids), PFNGLDELETEQUERIESPROC)
+PULSE_OPENGL_WRAPPER(glBeginQuery, (PulseDevice device, GLenum target, GLuint id), (target, id), PFNGLBEGINQUERYPROC)
+PULSE_OPENGL_WRAPPER(glEndQuery, (PulseDevice device, GLenum target), (target), PFNGLENDQUERYPROC)
+PULSE_OPENGL_WRAPPER(glGetQueryiv, (PulseDevice device, GLenum target, GLenum pname, GLint *params), (target, pname, params), PFNGLGETQUERYIVPROC)
+PULSE_OPENGL_WRAPPER(glGetQueryObjectuiv, (PulseDevice device, GLuint id, GLenum pname, GLuint *params), (id, pname, params), PFNGLGETQUERYOBJECTUIVPROC)
+PULSE_OPENGL_WRAPPER_RET(GLboolean, glUnmapBuffer, (PulseDevice device, GLenum target), (target), PFNGLUNMAPBUFFERPROC)
+PULSE_OPENGL_WRAPPER_RET(void *, glMapBufferRange, (PulseDevice device, GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access), (target, offset, length, access), PFNGLMAPBUFFERRANGEPROC)
+PULSE_OPENGL_WRAPPER(glGetIntegeri_v, (PulseDevice device, GLenum target, GLuint index, GLint *data), (target, index, data), PFNGLGETINTEGERI_VPROC)
+PULSE_OPENGL_WRAPPER(glBindBufferRange, (PulseDevice device, GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size), (target, index, buffer, offset, size), PFNGLBINDBUFFERRANGEPROC)
+PULSE_OPENGL_WRAPPER(glClearBufferuiv, (PulseDevice device, GLenum buffer, GLint drawbuffer, const GLuint *value), (buffer, drawbuffer, value), PFNGLCLEARBUFFERUIVPROC)
+PULSE_OPENGL_WRAPPER(glClearBufferfv, (PulseDevice device, GLenum buffer, GLint drawbuffer, const GLfloat *value), (buffer, drawbuffer, value), PFNGLCLEARBUFFERFVPROC)
+PULSE_OPENGL_WRAPPER(glClearBufferfi, (PulseDevice device, GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil), (buffer, drawbuffer, depth, stencil), PFNGLCLEARBUFFERFIPROC)
+PULSE_OPENGL_WRAPPER_RET(const GLubyte *, glGetStringi, (PulseDevice device, GLenum name, GLuint index), (name, index), PFNGLGETSTRINGIPROC)
+PULSE_OPENGL_WRAPPER(glCopyBufferSubData, (PulseDevice device, GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size), (readTarget, writeTarget, readOffset, writeOffset, size), PFNGLCOPYBUFFERSUBDATAPROC)
+PULSE_OPENGL_WRAPPER(glGetActiveUniformsiv, (PulseDevice device, GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params), (program, uniformCount, uniformIndices, pname, params), PFNGLGETACTIVEUNIFORMSIVPROC)
+PULSE_OPENGL_WRAPPER_RET(GLuint, glGetUniformBlockIndex, (PulseDevice device, GLuint program, const GLchar *uniformBlockName), (program, uniformBlockName), PFNGLGETUNIFORMBLOCKINDEXPROC)
+PULSE_OPENGL_WRAPPER(glGetActiveUniformBlockiv, (PulseDevice device, GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params), (program, uniformBlockIndex, pname, params), PFNGLGETACTIVEUNIFORMBLOCKIVPROC)
+PULSE_OPENGL_WRAPPER(glGetActiveUniformBlockName, (PulseDevice device, GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName), (program, uniformBlockIndex, bufSize, length, uniformBlockName), PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)
+PULSE_OPENGL_WRAPPER(glUniformBlockBinding, (PulseDevice device, GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding), (program, uniformBlockIndex, uniformBlockBinding), PFNGLUNIFORMBLOCKBINDINGPROC)
+PULSE_OPENGL_WRAPPER(glGetInteger64v, (PulseDevice device, GLenum pname, GLint64 *data), (pname, data), PFNGLGETINTEGER64VPROC)
+PULSE_OPENGL_WRAPPER(glGetInteger64i_v, (PulseDevice device, GLenum target, GLuint index, GLint64 *data), (target, index, data), PFNGLGETINTEGER64I_VPROC)
+PULSE_OPENGL_WRAPPER(glGenSamplers, (PulseDevice device, GLsizei count, GLuint *samplers), (count, samplers), PFNGLGENSAMPLERSPROC)
+PULSE_OPENGL_WRAPPER(glDeleteSamplers, (PulseDevice device, GLsizei count, const GLuint *samplers), (count, samplers), PFNGLDELETESAMPLERSPROC)
+PULSE_OPENGL_WRAPPER(glBindSampler, (PulseDevice device, GLuint unit, GLuint sampler), (unit, sampler), PFNGLBINDSAMPLERPROC)
+PULSE_OPENGL_WRAPPER(glSamplerParameteri, (PulseDevice device, GLuint sampler, GLenum pname, GLint param), (sampler, pname, param), PFNGLSAMPLERPARAMETERIPROC)
+PULSE_OPENGL_WRAPPER(glSamplerParameteriv, (PulseDevice device, GLuint sampler, GLenum pname, const GLint *param), (sampler, pname, param), PFNGLSAMPLERPARAMETERIVPROC)
+PULSE_OPENGL_WRAPPER(glSamplerParameterf, (PulseDevice device, GLuint sampler, GLenum pname, GLfloat param), (sampler, pname, param), PFNGLSAMPLERPARAMETERFPROC)
+PULSE_OPENGL_WRAPPER(glSamplerParameterfv, (PulseDevice device, GLuint sampler, GLenum pname, const GLfloat *param), (sampler, pname, param), PFNGLSAMPLERPARAMETERFVPROC)
+PULSE_OPENGL_WRAPPER(glGetProgramBinary, (PulseDevice device, GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary), (program, bufSize, length, binaryFormat, binary), PFNGLGETPROGRAMBINARYPROC)
+PULSE_OPENGL_WRAPPER(glProgramBinary, (PulseDevice device, GLuint program, GLenum binaryFormat, const void *binary, GLsizei length), (program, binaryFormat, binary, length), PFNGLPROGRAMBINARYPROC)
+PULSE_OPENGL_WRAPPER(glProgramParameteri, (PulseDevice device, GLuint program, GLenum pname, GLint value), (program, pname, value), PFNGLPROGRAMPARAMETERIPROC)
+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(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)
+PULSE_OPENGL_WRAPPER(glGetProgramResourceiv, (PulseDevice device, GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum *props, GLsizei bufSize, GLsizei *length, GLint *params), (program, programInterface, index, propCount, props, bufSize, length, params), PFNGLGETPROGRAMRESOURCEIVPROC)
+PULSE_OPENGL_WRAPPER_RET(GLint, glGetProgramResourceLocation, (PulseDevice device, GLuint program, GLenum programInterface, const GLchar *name), (program, programInterface, name), PFNGLGETPROGRAMRESOURCELOCATIONPROC)
+PULSE_OPENGL_WRAPPER(glBindImageTexture, (PulseDevice device, GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format), (unit, texture, level, layered, layer, access, format), PFNGLBINDIMAGETEXTUREPROC)
+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)
--- a/Sources/PulseBackend.c
+++ b/Sources/PulseBackend.c
@@ -71,7 +71,10 @@ void PulseLogBackend(PulseBackend backend, PulseDebugMessageSeverity type, const

 	if(type != PULSE_DEBUG_MESSAGE_SEVERITY_INFO)
 	{
-		shift = snprintf(complete_message, LOG_MESSAGE_MAX_LENGTH, "[%s:%d] ", function, line);
+		if(line != 0)
+			shift = snprintf(complete_message, LOG_MESSAGE_MAX_LENGTH, "[%s:%d] ", function, line);
+		else
+			shift = snprintf(complete_message, LOG_MESSAGE_MAX_LENGTH, "[%s] ", function);
 		if(backend->debug_level == PULSE_PARANOID_DEBUG && type == PULSE_DEBUG_MESSAGE_SEVERITY_WARNING)
 			type = PULSE_DEBUG_MESSAGE_SEVERITY_ERROR;
 		if(shift == -1)
@@ -112,13 +115,13 @@ static PulseBackend PulseGetBackendFromFlag(PulseBackendBits flag)
 		#ifdef PULSE_ENABLE_WEBGPU_BACKEND
 			case PULSE_BACKEND_WEBGPU: return &WebGPUDriver;
 		#endif
+		#ifdef PULSE_ENABLE_OPENGL_BACKEND
+			case PULSE_BACKEND_OPENGL: return &OpenGLDriver;
+			case PULSE_BACKEND_OPENGL_ES: return &OpenGLESDriver;
+		#endif
 		#ifdef PULSE_ENABLE_SOFTWARE_BACKEND
 			case PULSE_BACKEND_SOFTWARE: return &SoftwareDriver;
 		#endif
-		#ifdef PULSE_ENABLE_OPENGL_BACKEND
-			case PULSE_BACKEND_OPENGL:
-			case PULSE_BACKEND_OPENGL_ES: return &OpenGLESDriver;
-		#endif

 		default: break;
 	}
--- a/xmake.lua
+++ b/xmake.lua
@@ -46,6 +46,10 @@ local backends = {
 			else
 				remove_files("Sources/Backends/OpenGL/WGL/**.c")
 			end
+		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"})
 		end
 	},
 }
@@ -124,6 +128,14 @@ target("pulse_gpu")
 		add_defines("PULSE_PLAT_WASM")
 	end

+	before_build(function(target)
+		for name, module in pairs(backends) do
+			if module ~= nil and has_config(module.option) and module.before_build then
+				module.before_build(target, os)
+			end
+		end
+	end)
+
 	for name, module in pairs(backends) do
 		if module ~= nil and has_config(module.option) then
 			if module.packages then