Expose GL_ARB_sync for GL

src/libANGLE/Caps.cpp

@@ -778,6 +778,7 @@ const ExtensionInfoMap &GetExtensionInfoMap()
         map["GL_EXT_texture_type_2_10_10_10_REV"] = enableableExtension(&Extensions::textureFormat2101010REV);
         map["GL_EXT_read_format_bgra"] = enableableExtension(&Extensions::readFormatBGRA);
         map["GL_NV_pixel_buffer_object"] = enableableExtension(&Extensions::pixelBufferObject);
+        map["GL_ARB_sync"] = enableableExtension(&Extensions::glSync);
         map["GL_OES_mapbuffer"] = enableableExtension(&Extensions::mapBuffer);
         map["GL_EXT_map_buffer_range"] = enableableExtension(&Extensions::mapBufferRange);
         map["GL_EXT_color_buffer_half_float"] = enableableExtension(&Extensions::colorBufferHalfFloat);

src/libANGLE/Caps.h

@@ -145,6 +145,9 @@ struct Extensions
     // GL_NV_pixel_buffer_object
     bool pixelBufferObject = false;
 
+    // GL_ARB_sync
+    bool glSync = false;
+
     // GL_OES_mapbuffer and GL_EXT_map_buffer_range
     bool mapBuffer      = false;
     bool mapBufferRange = false;

src/libANGLE/renderer/gl/renderergl_utils.cpp

@@ -1113,6 +1113,7 @@ void GenerateCaps(const FunctionsGL *functions,
                                     functions->hasGLExtension("GL_ARB_pixel_buffer_object") ||
                                     functions->hasGLExtension("GL_EXT_pixel_buffer_object") ||
                                     functions->hasGLESExtension("GL_NV_pixel_buffer_object");
+    extensions->glSync = nativegl::SupportsFenceSync(functions);
     extensions->mapBuffer = functions->isAtLeastGL(gl::Version(1, 5)) ||
                             functions->isAtLeastGLES(gl::Version(3, 0)) ||
                             functions->hasGLESExtension("GL_OES_mapbuffer");

src/libANGLE/validationES3.cpp

@@ -3089,7 +3089,7 @@ bool ValidateGetSynciv(Context *context,
                        GLsizei *length,
                        GLint *values)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -3976,7 +3976,7 @@ bool ValidateDrawArraysInstanced(Context *context,
 
 bool ValidateFenceSync(Context *context, GLenum condition, GLbitfield flags)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -3999,7 +3999,7 @@ bool ValidateFenceSync(Context *context, GLenum condition, GLbitfield flags)
 
 bool ValidateIsSync(Context *context, GLsync sync)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -4010,7 +4010,7 @@ bool ValidateIsSync(Context *context, GLsync sync)
 
 bool ValidateDeleteSync(Context *context, GLsync sync)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -4027,7 +4027,7 @@ bool ValidateDeleteSync(Context *context, GLsync sync)
 
 bool ValidateClientWaitSync(Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -4051,7 +4051,7 @@ bool ValidateClientWaitSync(Context *context, GLsync sync, GLbitfield flags, GLu
 
 bool ValidateWaitSync(Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;
@@ -4081,7 +4081,7 @@ bool ValidateWaitSync(Context *context, GLsync sync, GLbitfield flags, GLuint64
 
 bool ValidateGetInteger64v(Context *context, GLenum pname, GLint64 *params)
 {
-    if (context->getClientMajorVersion() < 3)
+    if ((context->getClientMajorVersion() < 3) && !context->getExtensions().glSync)
     {
         context->validationError(GL_INVALID_OPERATION, kES3Required);
         return false;