GS/OpenGL: Use EGL 1.5 platform interface

.github/workflows/macos_build.yml

@@ -116,7 +116,6 @@ jobs:
           cmake -DCMAKE_PREFIX_PATH="$HOME/deps" \
                 -DCMAKE_BUILD_TYPE=Release \
                 -DCMAKE_OSX_ARCHITECTURES="x86_64" \
-                -DUSE_OPENGL=OFF \
                 -DDISABLE_ADVANCE_SIMD=ON \
                 -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
                 -DUSE_LINKED_FFMPEG=ON \

3rdparty/glad/CMakeLists.txt

@@ -1,22 +1,21 @@
 add_library(glad
-	src/glad.c
+	include/glad/gl.h
+	include/KHR/khrplatform.h
+	src/gl.c
 )
 
+target_include_directories(glad PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
+target_link_libraries(glad PRIVATE Threads::Threads "${CMAKE_DL_LIBS}")
+
 if(WIN32)
 	target_sources(glad PRIVATE
-		src/glad_wgl.c
+		include/glad/wgl.h
+		src/wgl.c
 	)
-elseif(X11_API OR WAYLAND_API)
+else()
 	target_sources(glad PRIVATE
-		src/glad_egl.c
+		include/EGL/eglplatform.h
+		include/glad/egl.h
+		src/egl.c
 	)
 endif()
-
-target_include_directories(glad PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/include")
-target_include_directories(glad INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
-target_link_libraries(glad PRIVATE Threads::Threads "${CMAKE_DL_LIBS}")
-
-if(APPLE)
-	target_compile_options(glad PRIVATE -fno-common)
-endif()
-

3rdparty/glad/glad.vcxproj

@@ -29,22 +29,22 @@
   <PropertyGroup>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <ItemGroup>
+    <ClInclude Include="include\glad\gl.h" />
+    <ClInclude Include="include\glad\wgl.h" />
+    <ClInclude Include="include\KHR\khrplatform.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="src\gl.c" />
+    <ClCompile Include="src\wgl.c" />
+  </ItemGroup>
   <ItemDefinitionGroup>
     <ClCompile>
       <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
   </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClCompile Include="src\glad.c" />
-    <ClCompile Include="src\glad_wgl.c" />
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="include\glad.h" />
-    <ClInclude Include="include\glad_wgl.h" />
-    <ClInclude Include="include\khrplatform.h" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets" />
 </Project>

3rdparty/glad/glad.vcxproj.filters

@@ -11,22 +11,22 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="src\glad.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="src\glad_wgl.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="include\glad.h">
+    <ClInclude Include="include\glad\gl.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="include\glad_wgl.h">
+    <ClInclude Include="include\glad\wgl.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="include\khrplatform.h">
+    <ClInclude Include="include\KHR\khrplatform.h">
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="src\gl.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\wgl.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
 </Project>

3rdparty/glad/include/EGL/eglplatform.h

@@ -0,0 +1,175 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright 2007-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+/* Platform-specific types and definitions for egl.h
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file.  Please submit changes
+ * by filing an issue or pull request on the public Khronos EGL Registry, at
+ * https://www.github.com/KhronosGroup/EGL-Registry/
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY  KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
+ */
+
+#if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES)
+
+typedef void *EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC     EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+typedef HWND    EGLNativeWindowType;
+
+#elif defined(__QNX__)
+
+typedef khronos_uintptr_t      EGLNativeDisplayType;
+typedef struct _screen_pixmap* EGLNativePixmapType;  /* screen_pixmap_t */
+typedef struct _screen_window* EGLNativeWindowType;  /* screen_window_t */
+
+#elif defined(__EMSCRIPTEN__)
+
+typedef int EGLNativeDisplayType;
+typedef int EGLNativePixmapType;
+typedef int EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(WL_EGL_PLATFORM)
+
+typedef struct wl_display     *EGLNativeDisplayType;
+typedef struct wl_egl_pixmap  *EGLNativePixmapType;
+typedef struct wl_egl_window  *EGLNativeWindowType;
+
+#elif defined(__GBM__)
+
+typedef struct gbm_device  *EGLNativeDisplayType;
+typedef struct gbm_bo      *EGLNativePixmapType;
+typedef void               *EGLNativeWindowType;
+
+#elif defined(__ANDROID__) || defined(ANDROID)
+
+struct ANativeWindow;
+struct egl_native_pixmap_t;
+
+typedef void*                           EGLNativeDisplayType;
+typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+typedef struct ANativeWindow*           EGLNativeWindowType;
+
+#elif defined(USE_OZONE)
+
+typedef intptr_t EGLNativeDisplayType;
+typedef intptr_t EGLNativePixmapType;
+typedef intptr_t EGLNativeWindowType;
+
+#elif defined(USE_X11)
+
+/* X11 (tentative)  */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap   EGLNativePixmapType;
+typedef Window   EGLNativeWindowType;
+
+#elif defined(__unix__)
+
+typedef void             *EGLNativeDisplayType;
+typedef khronos_uintptr_t EGLNativePixmapType;
+typedef khronos_uintptr_t EGLNativeWindowType;
+
+#elif defined(__APPLE__)
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(__HAIKU__)
+
+#include <kernel/image.h>
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#elif defined(__Fuchsia__)
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType  NativePixmapType;
+typedef EGLNativeWindowType  NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other.  While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+
+/* C++ / C typecast macros for special EGL handle values */
+#if defined(__cplusplus)
+#define EGL_CAST(type, value) (static_cast<type>(value))
+#else
+#define EGL_CAST(type, value) ((type) (value))
+#endif
+
+#endif /* __eglplatform_h */

3rdparty/GL/khrplatform.h → 3rdparty/glad/include/KHR/khrplatform.h

@@ -90,12 +90,20 @@
  *                                  int arg2) KHRONOS_APIATTRIBUTES;
  */
 
+#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
+#   define KHRONOS_STATIC 1
+#endif
+
 /*-------------------------------------------------------------------------
  * Definition of KHRONOS_APICALL
  *-------------------------------------------------------------------------
  * This precedes the return type of the function in the function prototype.
  */
-#if defined(_WIN32) && !defined(__SCITECH_SNAP__)
+#if defined(KHRONOS_STATIC)
+    /* If the preprocessor constant KHRONOS_STATIC is defined, make the
+     * header compatible with static linking. */
+#   define KHRONOS_APICALL
+#elif defined(_WIN32)
 #   define KHRONOS_APICALL __declspec(dllimport)
 #elif defined (__SYMBIAN32__)
 #   define KHRONOS_APICALL IMPORT_C
@@ -145,6 +153,20 @@ typedef int64_t                 khronos_int64_t;
 typedef uint64_t                khronos_uint64_t;
 #define KHRONOS_SUPPORT_INT64   1
 #define KHRONOS_SUPPORT_FLOAT   1
+/*
+ * To support platform where unsigned long cannot be used interchangeably with
+ * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
+ * Ideally, we could just use (u)intptr_t everywhere, but this could result in
+ * ABI breakage if khronos_uintptr_t is changed from unsigned long to
+ * unsigned long long or similar (this results in different C++ name mangling).
+ * To avoid changes for existing platforms, we restrict usage of intptr_t to
+ * platforms where the size of a pointer is larger than the size of long.
+ */
+#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
+#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
+#define KHRONOS_USE_INTPTR_T
+#endif
+#endif
 
 #elif defined(__VMS ) || defined(__sgi)
 
@@ -227,14 +249,21 @@ typedef unsigned short int     khronos_uint16_t;
  * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
  * to be the only LLP64 architecture in current use.
  */
-#ifdef _WIN64
+#ifdef KHRONOS_USE_INTPTR_T
+typedef intptr_t               khronos_intptr_t;
+typedef uintptr_t              khronos_uintptr_t;
+#elif defined(_WIN64)
 typedef signed   long long int khronos_intptr_t;
 typedef unsigned long long int khronos_uintptr_t;
-typedef signed   long long int khronos_ssize_t;
-typedef unsigned long long int khronos_usize_t;
 #else
 typedef signed   long  int     khronos_intptr_t;
 typedef unsigned long  int     khronos_uintptr_t;
+#endif
+
+#if defined(_WIN64)
+typedef signed   long long int khronos_ssize_t;
+typedef unsigned long long int khronos_usize_t;
+#else
 typedef signed   long  int     khronos_ssize_t;
 typedef unsigned long  int     khronos_usize_t;
 #endif