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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "cc/quads/largest_draw_quad.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "cc/quads/checkerboard_draw_quad.h" | |
| 10 #include "cc/quads/debug_border_draw_quad.h" | |
| 11 #include "cc/quads/io_surface_draw_quad.h" | |
| 12 #include "cc/quads/render_pass_draw_quad.h" | |
| 13 #include "cc/quads/solid_color_draw_quad.h" | |
| 14 #include "cc/quads/stream_video_draw_quad.h" | |
| 15 #include "cc/quads/surface_draw_quad.h" | |
| 16 #include "cc/quads/texture_draw_quad.h" | |
| 17 #include "cc/quads/tile_draw_quad.h" | |
| 18 #include "cc/quads/yuv_video_draw_quad.h" | |
| 19 | |
| 20 namespace { | |
| 21 const size_t kLargestDrawQuadSize = | |
| 22 sizeof(cc::RenderPassDrawQuad) > sizeof(cc::StreamVideoDrawQuad) | |
| 23 ? sizeof(cc::RenderPassDrawQuad) | |
| 24 : sizeof(cc::StreamVideoDrawQuad); | |
| 25 } // namespace | |
| 26 | |
| 27 namespace cc { | |
| 28 | |
| 29 size_t LargestDrawQuadSize() { | |
| 30 // Currently the largest quad is either a RenderPassDrawQuad or a | |
| 31 // StreamVideoDrawQuad depends on hardware structure. | |
| 32 | |
| 33 // Use compile assert to make sure largest is actually larger than all other | |
| 34 // type of draw quads. | |
| 35 static_assert(sizeof(CheckerboardDrawQuad) <= kLargestDrawQuadSize, | |
| 36 "Largest Draw Quad size needs update. CheckerboardDrawQuad is " | |
| 37 "currently largest."); | |
| 38 static_assert(sizeof(DebugBorderDrawQuad) <= kLargestDrawQuadSize, | |
| 39 "Largest Draw Quad size needs update. DebugBorderDrawQuad is " | |
| 40 "currently largest."); | |
| 41 static_assert(sizeof(IOSurfaceDrawQuad) <= kLargestDrawQuadSize, | |
| 42 "Largest Draw Quad size needs update. IOSurfaceDrawQuad is " | |
| 43 "currently largest."); | |
| 44 static_assert(sizeof(TextureDrawQuad) <= kLargestDrawQuadSize, | |
| 45 "Largest Draw Quad size needs update. TextureDrawQuad is " | |
| 46 "currently largest."); | |
| 47 static_assert(sizeof(SolidColorDrawQuad) <= kLargestDrawQuadSize, | |
| 48 "Largest Draw Quad size needs update. SolidColorDrawQuad is " | |
| 49 "currently largest."); | |
| 50 static_assert(sizeof(SurfaceDrawQuad) <= kLargestDrawQuadSize, | |
| 51 "Largest Draw Quad size needs update. SurfaceDrawQuad is " | |
| 52 "currently largest."); | |
| 53 static_assert(sizeof(TileDrawQuad) <= kLargestDrawQuadSize, | |
| 54 "Largest Draw Quad size needs update. TileDrawQuad is " | |
| 55 "currently largest."); | |
| 56 static_assert(sizeof(YUVVideoDrawQuad) <= kLargestDrawQuadSize, | |
| 57 "Largest Draw Quad size needs update. YUVVideoDrawQuad is " | |
| 58 "currently largest."); | |
| 59 | |
| 60 return kLargestDrawQuadSize; | |
| 61 } | |
| 62 | |
| 63 } // namespace cc | |
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