1 files changed, 92 insertions, 0 deletions
diff --git a/host/libs/virglrenderer/EglConfig.h b/host/libs/virglrenderer/EglConfig.h
new file mode 100644
index 000000000..3b5cd2b49
--- /dev/null
+++ b/host/libs/virglrenderer/EglConfig.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+typedef EGLBoolean (*PFNEGLGETCONFIGATTRIB)(EGLDisplay, EGLConfig, EGLint, EGLint*);
+
+struct EglConfig {
+    static std::vector<EglConfig*> vec;
+
+    // clang-format off
+    static constexpr EGLint kAttribs[] = {
+        EGL_DEPTH_SIZE,
+        EGL_STENCIL_SIZE,
+        EGL_RENDERABLE_TYPE,
+        EGL_SURFACE_TYPE,
+        EGL_CONFIG_ID,
+        EGL_BUFFER_SIZE,
+        EGL_ALPHA_SIZE,
+        EGL_BLUE_SIZE,
+        EGL_GREEN_SIZE,
+        EGL_RED_SIZE,
+        EGL_CONFIG_CAVEAT,
+        EGL_LEVEL,
+        EGL_MAX_PBUFFER_HEIGHT,
+        EGL_MAX_PBUFFER_PIXELS,
+        EGL_MAX_PBUFFER_WIDTH,
+        EGL_NATIVE_RENDERABLE,
+        EGL_NATIVE_VISUAL_ID,
+        EGL_NATIVE_VISUAL_TYPE,
+        0x3030, // EGL_PRESERVED_RESOURCES
+        EGL_SAMPLES,
+        EGL_SAMPLE_BUFFERS,
+        EGL_TRANSPARENT_TYPE,
+        EGL_TRANSPARENT_BLUE_VALUE,
+        EGL_TRANSPARENT_GREEN_VALUE,
+        EGL_TRANSPARENT_RED_VALUE,
+        EGL_BIND_TO_TEXTURE_RGB,
+        EGL_BIND_TO_TEXTURE_RGBA,
+        EGL_MIN_SWAP_INTERVAL,
+        EGL_MAX_SWAP_INTERVAL,
+        EGL_LUMINANCE_SIZE,
+        EGL_ALPHA_MASK_SIZE,
+        EGL_COLOR_BUFFER_TYPE,
+        //EGL_MATCH_NATIVE_PIXMAP,
+        EGL_RECORDABLE_ANDROID,
+        EGL_CONFORMANT
+    };
+    // clang-format on
+
+    static constexpr size_t kNumAttribs = sizeof(kAttribs) / sizeof(kAttribs[0]);
+
+    EglConfig(EGLDisplay dpy, EGLConfig config_, PFNEGLGETCONFIGATTRIB pfnEglGetConfigAttrib)
+        : config(config_) {
+        for (size_t a = 0; a < kNumAttribs; a++) {
+            if (!pfnEglGetConfigAttrib(dpy, config, kAttribs[a], &attribs[a]))
+                attribs[a] = 0;
+        }
+        vec.push_back(this);
+    }
+
+    ~EglConfig() {
+        for (size_t i = 0; i < EglConfig::vec.size(); i++) {
+            if (vec[i] == this) {
+                vec.erase(vec.begin() + i);
+                break;
+            }
+        }
+    }
+
+    EGLint attribs[kNumAttribs];
+    EGLConfig config;
+};