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// Copyright 2014 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/largest_draw_quad.h"
#include <stddef.h>
#include <algorithm>
#include "cc/quads/debug_border_draw_quad.h"
#include "cc/quads/io_surface_draw_quad.h"
#include "cc/quads/picture_draw_quad.h"
#include "cc/quads/render_pass_draw_quad.h"
#include "cc/quads/solid_color_draw_quad.h"
#include "cc/quads/stream_video_draw_quad.h"
#include "cc/quads/surface_draw_quad.h"
#include "cc/quads/texture_draw_quad.h"
#include "cc/quads/tile_draw_quad.h"
#include "cc/quads/yuv_video_draw_quad.h"
namespace {
const size_t kLargestDrawQuadSize =
sizeof(cc::RenderPassDrawQuad) > sizeof(cc::StreamVideoDrawQuad)
? sizeof(cc::RenderPassDrawQuad)
: sizeof(cc::StreamVideoDrawQuad);
} // namespace
namespace cc {
size_t LargestDrawQuadSize() {
// Currently the largest quad is either a RenderPassDrawQuad or a
// StreamVideoDrawQuad depends on hardware structure.
// Use compile assert to make sure largest is actually larger than all other
// type of draw quads.
static_assert(sizeof(DebugBorderDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. DebugBorderDrawQuad is "
"currently largest.");
static_assert(sizeof(IOSurfaceDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. IOSurfaceDrawQuad is "
"currently largest.");
static_assert(sizeof(PictureDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. PictureDrawQuad is "
"currently largest.");
static_assert(sizeof(TextureDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. TextureDrawQuad is "
"currently largest.");
static_assert(sizeof(SolidColorDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. SolidColorDrawQuad is "
"currently largest.");
static_assert(sizeof(SurfaceDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. SurfaceDrawQuad is "
"currently largest.");
static_assert(sizeof(TileDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. TileDrawQuad is "
"currently largest.");
static_assert(sizeof(YUVVideoDrawQuad) <= kLargestDrawQuadSize,
"Largest Draw Quad size needs update. YUVVideoDrawQuad is "
"currently largest.");
return kLargestDrawQuadSize;
}
} // namespace cc
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