LibGL: Add buffer API stubs

No implemented functionality, but this makes it easier to see if
software is using this family of functions.

Userland/Libraries/LibGL/Buffer.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/Debug.h>
+#include <LibGL/GLContext.h>
+
+namespace GL {
+
+void GLContext::gl_bind_buffer(GLenum target, GLuint buffer)
+{
+    // FIXME: implement me
+    dbgln_if(GL_DEBUG, "{}({:#x}, {})): unimplemented", __FUNCTION__, target, buffer);
+}
+
+void GLContext::gl_buffer_data(GLenum target, GLsizeiptr size, void const* data, GLenum usage)
+{
+    // FIXME: implement me
+    dbgln_if(GL_DEBUG, "{}({:#x}, {}, {:p}, {:#x}): unimplemented", __FUNCTION__, target, size, data, usage);
+}
+
+void GLContext::gl_buffer_sub_data(GLenum target, GLintptr offset, GLsizeiptr size, void const* data)
+{
+    // FIXME: implement me
+    dbgln_if(GL_DEBUG, "{}({:#x}, {}, {}, {:p}): unimplemented", __FUNCTION__, target, offset, size, data);
+}
+
+void GLContext::gl_delete_buffers(GLsizei n, GLuint const* buffers)
+{
+    // FIXME: implement me
+    dbgln_if(GL_DEBUG, "{}({}, {:p}): unimplemented", __FUNCTION__, n, buffers);
+}
+
+void GLContext::gl_gen_buffers(GLsizei n, GLuint* buffers)
+{
+    // FIXME: implement me
+    dbgln_if(GL_DEBUG, "{}({}, {:p}): unimplemented", __FUNCTION__, n, buffers);
+}
+
+}

Userland/Libraries/LibGL/CMakeLists.txt

@@ -1,4 +1,5 @@
 set(SOURCES
+    Buffer.cpp
     ClipPlane.cpp
     ContextParameter.cpp
     GLAPI.cpp

Userland/Libraries/LibGL/GL/gl.h

@@ -718,7 +718,6 @@ GLAPI void glEnableClientState(GLenum cap);
 GLAPI void glDisableClientState(GLenum cap);
 GLAPI void glClientActiveTextureARB(GLenum target);
 GLAPI void glClientActiveTexture(GLenum target);
-
 GLAPI void glVertexPointer(GLint size, GLenum type, GLsizei stride, void const* pointer);
 GLAPI void glColorPointer(GLint size, GLenum type, GLsizei stride, void const* pointer);
 GLAPI void glTexCoordPointer(GLint size, GLenum type, GLsizei stride, void const* pointer);
@@ -794,6 +793,11 @@ GLAPI void glClipPlane(GLenum plane, GLdouble const* equation);
 GLAPI void glGetClipPlane(GLenum plane, GLdouble* equation);
 GLAPI void glArrayElement(GLint i);
 GLAPI void glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+GLAPI void glBindBuffer(GLenum target, GLuint buffer);
+GLAPI void glBufferData(GLenum target, GLsizeiptr size, void const* data, GLenum usage);
+GLAPI void glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void const* data);
+GLAPI void glDeleteBuffers(GLsizei n, GLuint const* buffers);
+GLAPI void glGenBuffers(GLsizei n, GLuint* buffers);
 
 #ifdef __cplusplus
 }

Userland/Libraries/LibGL/GL/glplatform.h

@@ -28,9 +28,11 @@ typedef unsigned char GLboolean;
 typedef short GLshort;
 typedef unsigned short GLushort;
 typedef int GLint;
+typedef long GLintptr;
 typedef unsigned int GLuint;
 typedef int GLfixed;
 typedef int GLsizei;
+typedef unsigned long GLsizeiptr;
 typedef void GLvoid;
 typedef float GLfloat;
 typedef double GLclampd;

Userland/Libraries/LibGL/GLAPI.cpp

@@ -67,6 +67,11 @@ void glBegin(GLenum mode)
     g_gl_context->gl_begin(mode);
 }
 
+void glBindBuffer(GLenum target, GLuint buffer)
+{
+    g_gl_context->gl_bind_buffer(target, buffer);
+}
+
 void glBindTexture(GLenum target, GLuint texture)
 {
     g_gl_context->gl_bind_texture(target, texture);
@@ -82,6 +87,16 @@ void glBlendFunc(GLenum sfactor, GLenum dfactor)
     return g_gl_context->gl_blend_func(sfactor, dfactor);
 }
 
+void glBufferData(GLenum target, GLsizeiptr size, void const* data, GLenum usage)
+{
+    g_gl_context->gl_buffer_data(target, size, data, usage);
+}
+
+void glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, void const* data)
+{
+    g_gl_context->gl_buffer_sub_data(target, offset, size, data);
+}
+
 void glCallList(GLuint list)
 {
     return g_gl_context->gl_call_list(list);
@@ -226,6 +241,11 @@ void glCullFace(GLenum mode)
     g_gl_context->gl_cull_face(mode);
 }
 
+void glDeleteBuffers(GLsizei n, GLuint const* buffers)
+{
+    g_gl_context->gl_delete_buffers(n, buffers);
+}
+
 void glDepthFunc(GLenum func)
 {
     g_gl_context->gl_depth_func(func);
@@ -384,6 +404,11 @@ void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLd
     g_gl_context->gl_frustum(left, right, bottom, top, nearVal, farVal);
 }
 
+void glGenBuffers(GLsizei n, GLuint* buffers)
+{
+    g_gl_context->gl_gen_buffers(n, buffers);
+}
+
 GLuint glGenLists(GLsizei range)
 {
     return g_gl_context->gl_gen_lists(range);

Userland/Libraries/LibGL/GLContext.h

@@ -213,6 +213,11 @@ public:
     void gl_array_element(GLint i);
     void gl_copy_tex_sub_image_2d(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
     void gl_point_size(GLfloat size);
+    void gl_bind_buffer(GLenum target, GLuint buffer);
+    void gl_buffer_data(GLenum target, GLsizeiptr size, void const* data, GLenum usage);
+    void gl_buffer_sub_data(GLenum target, GLintptr offset, GLsizeiptr size, void const* data);
+    void gl_delete_buffers(GLsizei n, GLuint const* buffers);
+    void gl_gen_buffers(GLsizei n, GLuint* buffers);
 
 private:
     void sync_device_config();