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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/compositor/software_output_device_win.h" | 5 #include "content/browser/compositor/software_output_device_win.h" |
| 6 | 6 |
| 7 #include "base/debug/alias.h" | 7 #include "base/debug/alias.h" |
| 8 #include "base/memory/shared_memory.h" | 8 #include "base/memory/shared_memory.h" |
| 9 #include "cc/resources/shared_bitmap.h" | 9 #include "cc/resources/shared_bitmap.h" |
| 10 #include "content/public/browser/browser_thread.h" | 10 #include "content/public/browser/browser_thread.h" |
| 11 #include "skia/ext/platform_canvas.h" | 11 #include "skia/ext/platform_canvas.h" |
| 12 #include "skia/ext/skia_utils_win.h" |
| 12 #include "ui/compositor/compositor.h" | 13 #include "ui/compositor/compositor.h" |
| 13 #include "ui/gfx/gdi_util.h" | 14 #include "ui/gfx/gdi_util.h" |
| 14 #include "ui/gfx/skia_util.h" | 15 #include "ui/gfx/skia_util.h" |
| 15 | 16 |
| 16 namespace content { | 17 namespace content { |
| 17 | 18 |
| 18 // If a window is larger than this in bytes, don't even try to create a | 19 // If a window is larger than this in bytes, don't even try to create a |
| 19 // backing bitmap for it. | 20 // backing bitmap for it. |
| 20 static const size_t kMaxBitmapSizeBytes = 4 * (16384 * 8192); | 21 static const size_t kMaxBitmapSizeBytes = 4 * (16384 * 8192); |
| 21 | 22 |
| (...skipping 136 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 158 SoftwareOutputDevice::EndPaint(); | 159 SoftwareOutputDevice::EndPaint(); |
| 159 | 160 |
| 160 if (!contents_) | 161 if (!contents_) |
| 161 return; | 162 return; |
| 162 | 163 |
| 163 gfx::Rect rect = damage_rect_; | 164 gfx::Rect rect = damage_rect_; |
| 164 rect.Intersect(gfx::Rect(viewport_pixel_size_)); | 165 rect.Intersect(gfx::Rect(viewport_pixel_size_)); |
| 165 if (rect.IsEmpty()) | 166 if (rect.IsEmpty()) |
| 166 return; | 167 return; |
| 167 | 168 |
| 169 HDC dib_dc = skia::GetNativeDrawingContext(contents_.get()); |
| 170 |
| 168 if (is_hwnd_composited_) { | 171 if (is_hwnd_composited_) { |
| 169 RECT wr; | 172 RECT wr; |
| 170 GetWindowRect(hwnd_, &wr); | 173 GetWindowRect(hwnd_, &wr); |
| 171 SIZE size = {wr.right - wr.left, wr.bottom - wr.top}; | 174 SIZE size = {wr.right - wr.left, wr.bottom - wr.top}; |
| 172 POINT position = {wr.left, wr.top}; | 175 POINT position = {wr.left, wr.top}; |
| 173 POINT zero = {0, 0}; | 176 POINT zero = {0, 0}; |
| 174 BLENDFUNCTION blend = {AC_SRC_OVER, 0x00, 0xFF, AC_SRC_ALPHA}; | 177 BLENDFUNCTION blend = {AC_SRC_OVER, 0x00, 0xFF, AC_SRC_ALPHA}; |
| 175 | 178 |
| 176 DWORD style = GetWindowLong(hwnd_, GWL_EXSTYLE); | 179 DWORD style = GetWindowLong(hwnd_, GWL_EXSTYLE); |
| 177 style &= ~WS_EX_COMPOSITED; | 180 style &= ~WS_EX_COMPOSITED; |
| 178 style |= WS_EX_LAYERED; | 181 style |= WS_EX_LAYERED; |
| 179 SetWindowLong(hwnd_, GWL_EXSTYLE, style); | 182 SetWindowLong(hwnd_, GWL_EXSTYLE, style); |
| 180 | 183 |
| 181 HDC dib_dc = skia::GetNativeDrawingContext(contents_.get()); | |
| 182 ::UpdateLayeredWindow(hwnd_, NULL, &position, &size, dib_dc, &zero, | 184 ::UpdateLayeredWindow(hwnd_, NULL, &position, &size, dib_dc, &zero, |
| 183 RGB(0xFF, 0xFF, 0xFF), &blend, ULW_ALPHA); | 185 RGB(0xFF, 0xFF, 0xFF), &blend, ULW_ALPHA); |
| 184 } else { | 186 } else { |
| 185 HDC hdc = ::GetDC(hwnd_); | 187 HDC hdc = ::GetDC(hwnd_); |
| 186 RECT src_rect = rect.ToRECT(); | 188 RECT src_rect = rect.ToRECT(); |
| 187 skia::DrawToNativeContext(contents_.get(), hdc, rect.x(), rect.y(), | 189 skia::CopyHDC(dib_dc, |
| 188 &src_rect); | 190 hdc, |
| 191 rect.x(), |
| 192 rect.y(), |
| 193 contents_.get()->imageInfo().isOpaque(), |
| 194 src_rect, |
| 195 contents_.get()->getTotalMatrix()); |
| 196 |
| 189 ::ReleaseDC(hwnd_, hdc); | 197 ::ReleaseDC(hwnd_, hdc); |
| 190 } | 198 } |
| 191 } | 199 } |
| 192 | 200 |
| 193 void SoftwareOutputDeviceWin::ReleaseContents() { | 201 void SoftwareOutputDeviceWin::ReleaseContents() { |
| 194 DCHECK(!in_paint_); | 202 DCHECK(!in_paint_); |
| 195 contents_.reset(); | 203 contents_.reset(); |
| 196 } | 204 } |
| 197 | 205 |
| 198 } // namespace content | 206 } // namespace content |
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