16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

cc/quads/y_video_draw_quad.cc

+// Copyright 2016 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.
+
+#include "cc/quads/y_video_draw_quad.h"
+
+#include <stddef.h>
+
+#include "base/logging.h"
+#include "base/trace_event/trace_event_argument.h"
+#include "base/values.h"
+#include "cc/base/math_util.h"
+#include "ui/gfx/geometry/vector2d_f.h"
+
+namespace cc {
+
+YVideoDrawQuad::YVideoDrawQuad() {}
+
+YVideoDrawQuad::YVideoDrawQuad(const YVideoDrawQuad& other) = default;
+
+void YVideoDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
+                            const gfx::Rect& rect,
+                            const gfx::Rect& opaque_rect,
+                            const gfx::Rect& visible_rect,
+                            unsigned resource_id,
+                            const gfx::PointF& uv_top_left,
+                            const gfx::PointF& uv_bottom_right) {
+  DrawQuad::SetAll(shared_quad_state, DrawQuad::Y_VIDEO_CONTENT, rect,
+                   opaque_rect, visible_rect, false);
+  resources.ids[kResourceIdIndex] = resource_id;
+  resources.count = 1;
+  this->uv_top_left = uv_top_left;
+  this->uv_bottom_right = uv_bottom_right;
+}
+
+void YVideoDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
+                            const gfx::Rect& rect,
+                            const gfx::Rect& opaque_rect,
+                            const gfx::Rect& visible_rect,
+                            bool needs_blending,
+                            unsigned resource_id,
+                            const gfx::PointF& uv_top_left,
+                            const gfx::PointF& uv_bottom_right) {
+  DrawQuad::SetAll(shared_quad_state, DrawQuad::Y_VIDEO_CONTENT, rect,
+                   opaque_rect, visible_rect, needs_blending);
+  resources.ids[kResourceIdIndex] = resource_id;
+  resources.count = 1;
+  this->uv_top_left = uv_top_left;
+  this->uv_bottom_right = uv_bottom_right;
+}
+
+const YVideoDrawQuad* YVideoDrawQuad::MaterialCast(const DrawQuad* quad) {
+  DCHECK(quad->material == DrawQuad::Y_VIDEO_CONTENT);
+  return static_cast<const YVideoDrawQuad*>(quad);
+}
+
+void YVideoDrawQuad::ExtendValue(base::trace_event::TracedValue* value) const {
+  value->SetInteger("resource_id", resources.ids[kResourceIdIndex]);
+  MathUtil::AddToTracedValue("uv_top_left", uv_top_left, value);
+  MathUtil::AddToTracedValue("uv_bottom_right", uv_bottom_right, value);
+}
+
+}  // namespace cc