[RenderEngine] Make use of EGL_KHR_surfaceless_context.
Per
https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_surfaceless_context.txt,
when EGL_KHR_surfaceless_context is present, we can make the context current
without specifying draw and read surface, thus we no longer need to create a
1x1 buffer surface.
BUG: 35315015
Test: Build, flash, boot.
Change-Id: Ia5f19cf0f9561bb660708b5a2ae0187593422210
diff --git a/libs/renderengine/gl/GLExtensions.h b/libs/renderengine/gl/GLExtensions.h
index 382c23a..2a654d5 100644
--- a/libs/renderengine/gl/GLExtensions.h
+++ b/libs/renderengine/gl/GLExtensions.h
@@ -32,29 +32,6 @@
namespace gl {
class GLExtensions : public Singleton<GLExtensions> {
- friend class Singleton<GLExtensions>;
-
- bool mHasNoConfigContext = false;
- bool mHasNativeFenceSync = false;
- bool mHasFenceSync = false;
- bool mHasWaitSync = false;
- bool mHasProtectedContent = false;
- bool mHasContextPriority = false;
-
- String8 mVendor;
- String8 mRenderer;
- String8 mVersion;
- String8 mExtensions;
-
- String8 mEGLVersion;
- String8 mEGLExtensions;
-
- GLExtensions(const GLExtensions&);
- GLExtensions& operator=(const GLExtensions&);
-
-protected:
- GLExtensions() = default;
-
public:
bool hasNoConfigContext() const { return mHasNoConfigContext; }
bool hasNativeFenceSync() const { return mHasNativeFenceSync; }
@@ -62,6 +39,7 @@
bool hasWaitSync() const { return mHasWaitSync; }
bool hasProtectedContent() const { return mHasProtectedContent; }
bool hasContextPriority() const { return mHasContextPriority; }
+ bool hasSurfacelessContext() const { return mHasSurfacelessContext; }
void initWithGLStrings(GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version,
GLubyte const* extensions);
@@ -73,6 +51,31 @@
void initWithEGLStrings(char const* eglVersion, char const* eglExtensions);
char const* getEGLVersion() const;
char const* getEGLExtensions() const;
+
+protected:
+ GLExtensions() = default;
+
+private:
+ friend class Singleton<GLExtensions>;
+
+ bool mHasNoConfigContext = false;
+ bool mHasNativeFenceSync = false;
+ bool mHasFenceSync = false;
+ bool mHasWaitSync = false;
+ bool mHasProtectedContent = false;
+ bool mHasContextPriority = false;
+ bool mHasSurfacelessContext = false;
+
+ String8 mVendor;
+ String8 mRenderer;
+ String8 mVersion;
+ String8 mExtensions;
+
+ String8 mEGLVersion;
+ String8 mEGLExtensions;
+
+ GLExtensions(const GLExtensions&);
+ GLExtensions& operator=(const GLExtensions&);
};
} // namespace gl