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authorleandrogracia@chromium.org <leandrogracia@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-11-02 14:28:32 +0000
committerleandrogracia@chromium.org <leandrogracia@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-11-02 14:28:32 +0000
commit3359ab1e39cf21a7f624bee9aa822c9647d15aba (patch)
tree996a2ef2f2ec7e9686a9b74b99adb9bfda10b111 /android_webview/public
parent61847e380602561fc40598e47d2523278e71b2b5 (diff)
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[Android] Introduce the information required in WebView to trigger GL drawing operations.
BUG=none Review URL: https://chromiumcodereview.appspot.com/11368032 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@165674 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'android_webview/public')
-rw-r--r--android_webview/public/browser/gl_draw.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/android_webview/public/browser/gl_draw.h b/android_webview/public/browser/gl_draw.h
new file mode 100644
index 0000000..e494ab4
--- /dev/null
+++ b/android_webview/public/browser/gl_draw.h
@@ -0,0 +1,52 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ANDROID_WEBVIEW_PUBLIC_BROWSER_GL_DRAW_H_
+#define ANDROID_WEBVIEW_PUBLIC_BROWSER_GL_DRAW_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Holds the information required to trigger an OpenGL drawing operation.
+struct AwGLDrawInfo {
+
+ // Input: current clip rect.
+ int clip_left;
+ int clip_top;
+ int clip_right;
+ int clip_bottom;
+
+ // Input: current width/height of destination surface.
+ int width;
+ int height;
+
+ // Input: is the render target an FBO.
+ bool is_layer;
+
+ // Input: current transform matrix, in OpenGL format.
+ float transform[16];
+
+ // Output: dirty region to redraw.
+ float dirty_left;
+ float dirty_top;
+ float dirty_right;
+ float dirty_bottom;
+};
+
+// Function to invoke a direct GL draw into the client's pre-configured
+// GL context. Obtained via AwContents.getGLDrawFunction() (static).
+// |view_context| is an opaque pointer that was returned by the corresponding
+// call to AwContents.onPrepareGlDraw().
+// |draw_info| carries the in and out parameters for this draw.
+// |spare| ignored; pass NULL.
+typedef void (*AwGLDrawFunction)(void* view_context,
+ const GLDrawInfo* draw_info,
+ void* spare);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // ANDROID_WEBVIEW_PUBLIC_BROWSER_GL_DRAW_H_