Add m-esr52 at 52.6.0

1 files changed, 85 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/renderer/gl/wgl/wgl_utils.cpp b/gfx/angle/src/libANGLE/renderer/gl/wgl/wgl_utils.cpp
new file mode 100755
index 000000000..641c3fbc4
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/wgl/wgl_utils.cpp
@@ -0,0 +1,85 @@
+//
+// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// wgl_utils.cpp: Utility routines specific to the WGL->EGL implementation.
+
+#include "libANGLE/renderer/gl/wgl/wgl_utils.h"
+
+#include "libANGLE/renderer/gl/wgl/FunctionsWGL.h"
+
+namespace rx
+{
+
+namespace wgl
+{
+
+PIXELFORMATDESCRIPTOR GetDefaultPixelFormatDescriptor()
+{
+    PIXELFORMATDESCRIPTOR pixelFormatDescriptor = { 0 };
+    pixelFormatDescriptor.nSize = sizeof(pixelFormatDescriptor);
+    pixelFormatDescriptor.nVersion = 1;
+    pixelFormatDescriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_GENERIC_ACCELERATED | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+    pixelFormatDescriptor.iPixelType = PFD_TYPE_RGBA;
+    pixelFormatDescriptor.cColorBits = 24;
+    pixelFormatDescriptor.cAlphaBits = 8;
+    pixelFormatDescriptor.cDepthBits = 24;
+    pixelFormatDescriptor.cStencilBits = 8;
+    pixelFormatDescriptor.iLayerType = PFD_MAIN_PLANE;
+
+    return pixelFormatDescriptor;
+}
+
+std::vector<int> GetDefaultPixelFormatAttributes(bool preservedSwap)
+{
+    std::vector<int> attribs;
+    attribs.push_back(WGL_DRAW_TO_WINDOW_ARB);
+    attribs.push_back(TRUE);
+
+    attribs.push_back(WGL_ACCELERATION_ARB);
+    attribs.push_back(WGL_FULL_ACCELERATION_ARB);
+
+    attribs.push_back(WGL_SUPPORT_OPENGL_ARB);
+    attribs.push_back(TRUE);
+
+    attribs.push_back(WGL_DOUBLE_BUFFER_ARB);
+    attribs.push_back(TRUE);
+
+    attribs.push_back(WGL_PIXEL_TYPE_ARB);
+    attribs.push_back(WGL_TYPE_RGBA_ARB);
+
+    attribs.push_back(WGL_COLOR_BITS_ARB);
+    attribs.push_back(24);
+
+    attribs.push_back(WGL_ALPHA_BITS_ARB);
+    attribs.push_back(8);
+
+    attribs.push_back(WGL_DEPTH_BITS_ARB);
+    attribs.push_back(24);
+
+    attribs.push_back(WGL_STENCIL_BITS_ARB);
+    attribs.push_back(8);
+
+    attribs.push_back(WGL_SWAP_METHOD_ARB);
+    attribs.push_back(preservedSwap ? WGL_SWAP_COPY_ARB : WGL_SWAP_UNDEFINED_ARB);
+
+    attribs.push_back(0);
+
+    return attribs;
+}
+
+int QueryWGLFormatAttrib(HDC dc, int format, int attribName, const FunctionsWGL *functions)
+{
+    int result = 0;
+    if (functions->getPixelFormatAttribivARB == nullptr ||
+        !functions->getPixelFormatAttribivARB(dc, format, 0, 1, &attribName, &result))
+    {
+        return 0;
+    }
+    return result;
+}
+}
+
+}