From a03c343b47938fcb1b562741ff05252b01a4e39d Mon Sep 17 00:00:00 2001
From: Dan Sinclair <dsinclair@chromium.org>
Date: Wed, 16 Mar 2016 15:35:20 -0400
Subject: Enable building pdf_use_skia in the standalone build.

This CL adds the necessary pieces so you can add pdf_use_skia=1 to GYP_DEFINES
and do a standalone build.

R=caryclark@google.com

Review URL: https://codereview.chromium.org/1812563002 .
---
 skia/skia_common.gypi | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 skia/skia_common.gypi

(limited to 'skia/skia_common.gypi')

diff --git a/skia/skia_common.gypi b/skia/skia_common.gypi
new file mode 100644
index 0000000000..4b7a51b6b1
--- /dev/null
+++ b/skia/skia_common.gypi
@@ -0,0 +1,157 @@
+# Copyright 2013 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.
+
+# This gypi file handles the removal of platform-specific files from the
+# Skia build.
+{
+  'include_dirs': [
+    '..',
+    'config',
+  ],
+
+  'conditions': [
+    [ 'OS != "android"', {
+      'sources/': [
+         ['exclude', '_android\\.(cc|cpp)$'],
+      ],
+    }],
+    [ 'OS != "ios"', {
+      'sources/': [
+         ['exclude', '_ios\\.(cc|cpp|mm?)$'],
+      ],
+    }],
+    [ 'OS == "ios"', {
+      'defines': [
+        'SK_BUILD_FOR_IOS',
+      ],
+    }],
+    [ 'OS != "mac"', {
+      'sources/': [
+        ['exclude', '_mac\\.(cc|cpp|mm?)$'],
+      ],
+    }],
+    [ 'OS == "mac"', {
+      'defines': [
+        'SK_BUILD_FOR_MAC',
+      ],
+    }],
+    [ 'OS != "win"', {
+      'sources/': [ ['exclude', '_win\\.(cc|cpp)$'] ],
+    }],
+    [ 'OS == "win"', {
+      'defines': [
+        # On windows, GDI handles are a scarse system-wide resource so we have to keep
+        # the glyph cache, which holds up to 4 GDI handles per entry, to a fairly small
+        # size.
+        # http://crbug.com/314387
+        'SK_DEFAULT_FONT_CACHE_COUNT_LIMIT=256',
+        'GR_GL_FUNCTION_TYPE=__stdcall',
+      ],
+    }],
+    [ 'OS!="linux"', {
+      'sources/': [ ['exclude', '_linux\\.(cc|cpp)$'] ],
+    }],
+
+    #Settings for text blitting, chosen to approximate the system browser.
+    [ 'OS == "linux"', {
+      'defines': [
+        'SK_GAMMA_EXPONENT=1.2',
+        'SK_GAMMA_CONTRAST=0.2',
+      ],
+    }],
+    ['OS == "android"', {
+      'defines': [
+        'SK_GAMMA_APPLY_TO_A8',
+        'SK_GAMMA_EXPONENT=1.4',
+        'SK_GAMMA_CONTRAST=0.0',
+      ],
+    }],
+    ['OS == "win"', {
+      'defines': [
+        'SK_GAMMA_SRGB',
+        'SK_GAMMA_CONTRAST=0.5',
+      ],
+    }],
+    ['OS == "mac"', {
+      'defines': [
+        'SK_GAMMA_SRGB',
+        'SK_GAMMA_CONTRAST=0.0',
+      ],
+    }],
+
+    # Neon support.
+    [ 'target_arch == "arm" and arm_version >= 7 and arm_neon == 1', {
+      'defines': [
+        'SK_ARM_HAS_NEON',
+      ],
+    }],
+    [ 'target_arch == "arm" and arm_version >= 7 and arm_neon == 0 and arm_neon_optional == 1', {
+      'defines': [
+        'SK_ARM_HAS_OPTIONAL_NEON',
+      ],
+    }],
+  ],
+
+  'variables': {
+    'variables': {
+      'conditions': [
+        ['OS== "ios"', {
+          'skia_support_gpu': 0,
+        }, {
+          'skia_support_gpu': 1,
+        }],
+      ],
+    },
+    'skia_support_gpu': '<(skia_support_gpu)',
+    'skia_support_pdf': '<(skia_support_pdf)',
+
+    # These two set the paths so we can include skia/gyp/core.gypi
+    'skia_src_path': '../third_party/skia/src',
+    'skia_include_path': '../third_party/skia/include',
+
+    # This list will contain all defines that also need to be exported to
+    # dependent components.
+    'skia_export_defines': [
+      'SK_SUPPORT_GPU=<(skia_support_gpu)',
+    ],
+
+    'default_font_cache_limit%': '(20*1024*1024)',
+
+    'conditions': [
+      ['OS== "android"', {
+        # Android devices are typically more memory constrained, so
+        # default to a smaller glyph cache (it may be overriden at runtime
+        # when the renderer starts up, depending on the actual device memory).
+        'default_font_cache_limit': '(1*1024*1024)',
+        'skia_export_defines': [
+          'SK_BUILD_FOR_ANDROID',
+        ],
+      }],
+    ],
+  },
+
+  'defines': [
+    '<@(skia_export_defines)',
+
+    'SK_DEFAULT_FONT_CACHE_LIMIT=<(default_font_cache_limit)',
+  ],
+
+  'direct_dependent_settings': {
+    'defines': [
+      '<@(skia_export_defines)',
+    ],
+  },
+
+  # We would prefer this to be direct_dependent_settings,
+  # however we currently have no means to enforce that direct dependents
+  # re-export if they include Skia headers in their public headers.
+  'all_dependent_settings': {
+    'include_dirs': [
+      '..',
+      'config',
+    ],
+  },
+
+  'msvs_disabled_warnings': [4244, 4267, 4341, 4345, 4390, 4554, 4748, 4800],
+}
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