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disable_color_correct_rendering.patch
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disable_color_correct_rendering.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Birunthan Mohanathas <birunthan@mohanathas.com>
Date: Fri, 30 Nov 2018 12:44:12 +0200
Subject: disable_color_correct_rendering.patch
This adds a --disable-color-correct-rendering switch. In Electron 2.0,
`--disable-features=ColorCorrectRendering` could be
used to make the app use the display color space (e.g. P3 on Macs)
instead of color correcting to sRGB. Because color correct rendering is
always enabled on Chromium 62 and later and because
`--force-color-profile` has no effect on macOS, apps that need e.g. P3
colors are currently stuck on Electron 2.0.
This restores the functionality removed in
https://chromium-review.googlesource.com/698347 in the form of the
`--disable-color-correct-rendering` switch.
This can be removed once web content (including WebGL) learn how
to deal with color spaces. That is being tracked at
https://crbug.com/634542 and https://crbug.com/711107.
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index aca208728d0dae78e57bf4b7f0af46ed5ad73e68..2afef2fb0d3890bdada7d5785a4a48494d580cab 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1852,6 +1852,10 @@ void LayerTreeHostImpl::SetIsLikelyToRequireADraw(
TargetColorParams LayerTreeHostImpl::GetTargetColorParams(
gfx::ContentColorUsage content_color_usage) const {
TargetColorParams params;
+ if (!settings_.enable_color_correct_rendering) {
+ params.color_space = gfx::ColorSpace();
+ return params;
+ }
// If we are likely to software composite the resource, we use sRGB because
// software compositing is unable to perform color conversion.
diff --git a/cc/trees/layer_tree_settings.h b/cc/trees/layer_tree_settings.h
index 8dfe968b6314f5f5f350b3df6819043668293fd6..2f3a8a335d130c3be58b87bccdb95bd66ae37091 100644
--- a/cc/trees/layer_tree_settings.h
+++ b/cc/trees/layer_tree_settings.h
@@ -93,6 +93,8 @@ class CC_EXPORT LayerTreeSettings {
bool use_rgba_4444 = false;
bool unpremultiply_and_dither_low_bit_depth_tiles = false;
+ bool enable_color_correct_rendering = true;
+
// If set to true, the compositor may selectively defer image decodes to the
// Image Decode Service and raster tiles without images until the decode is
// ready.
diff --git a/components/viz/common/display/renderer_settings.h b/components/viz/common/display/renderer_settings.h
index bc48a50a7664f12a454997db54d893cde9b04881..810a8ce52bf9ac74f47a710f8b332980754996f5 100644
--- a/components/viz/common/display/renderer_settings.h
+++ b/components/viz/common/display/renderer_settings.h
@@ -24,6 +24,7 @@ class VIZ_COMMON_EXPORT RendererSettings {
~RendererSettings();
bool apply_simple_frame_rate_throttling = false;
+ bool enable_color_correct_rendering = true;
bool allow_antialiasing = true;
bool force_antialiasing = false;
bool force_blending_with_shaders = false;
diff --git a/components/viz/host/renderer_settings_creation.cc b/components/viz/host/renderer_settings_creation.cc
index 9d34ced366026eb7cdd00ce40a4eb1af56180d39..abf67f8246bfa37df08cd2216c388dd316fb6499 100644
--- a/components/viz/host/renderer_settings_creation.cc
+++ b/components/viz/host/renderer_settings_creation.cc
@@ -17,6 +17,7 @@
#include "components/viz/common/features.h"
#include "components/viz/common/switches.h"
#include "ui/base/ui_base_switches.h"
+#include "ui/gfx/switches.h"
#if defined(USE_OZONE)
#include "ui/ozone/public/ozone_platform.h"
@@ -49,6 +50,8 @@ bool GetSwitchValueAsInt(const base::CommandLine* command_line,
RendererSettings CreateRendererSettings() {
RendererSettings renderer_settings;
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+ renderer_settings.enable_color_correct_rendering =
+ !command_line->HasSwitch(switches::kDisableColorCorrectRendering);
renderer_settings.partial_swap_enabled =
!command_line->HasSwitch(switches::kUIDisablePartialSwap);
diff --git a/content/browser/gpu/gpu_process_host.cc b/content/browser/gpu/gpu_process_host.cc
index 954aa49ed7cd6e47e56ffdfcd3b6218964862245..1a85566c28e91967603946e8941462e9ea704c68 100644
--- a/content/browser/gpu/gpu_process_host.cc
+++ b/content/browser/gpu/gpu_process_host.cc
@@ -228,6 +228,7 @@ GpuTerminationStatus ConvertToGpuTerminationStatus(
// Command-line switches to propagate to the GPU process.
static const char* const kSwitchNames[] = {
+ switches::kDisableColorCorrectRendering,
sandbox::policy::switches::kDisableSeccompFilterSandbox,
sandbox::policy::switches::kGpuSandboxAllowSysVShm,
sandbox::policy::switches::kGpuSandboxFailuresFatal,
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 73a50b19f8bf75119b6af7698cdf7d569c504e77..9fdc3d5235a95cfc9ef3b94ba9c19630efb04cde 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -199,6 +199,7 @@
#include "ui/accessibility/accessibility_switches.h"
#include "ui/base/ui_base_switches.h"
#include "ui/display/display_switches.h"
+#include "ui/gfx/switches.h"
#include "ui/gl/gl_switches.h"
#include "url/gurl.h"
#include "url/origin.h"
@@ -3173,6 +3174,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
// Propagate the following switches to the renderer command line (along
// with any associated values) if present in the browser command line.
static const char* const kSwitchNames[] = {
+ switches::kDisableColorCorrectRendering,
switches::kDisableInProcessStackTraces,
sandbox::policy::switches::kDisableSeccompFilterSandbox,
sandbox::policy::switches::kNoSandbox,
diff --git a/third_party/blink/renderer/platform/graphics/canvas_color_params.cc b/third_party/blink/renderer/platform/graphics/canvas_color_params.cc
index 75d7af9a79d4e7f2cd39e45496ab5fff66407638..35b0bb908245330fbdc5205caa3299bf6fd8f7b4 100644
--- a/third_party/blink/renderer/platform/graphics/canvas_color_params.cc
+++ b/third_party/blink/renderer/platform/graphics/canvas_color_params.cc
@@ -4,6 +4,7 @@
#include "third_party/blink/renderer/platform/graphics/canvas_color_params.h"
+#include "base/command_line.h"
#include "cc/paint/skia_paint_canvas.h"
#include "components/viz/common/resources/resource_format_utils.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
@@ -12,6 +13,7 @@
#include "third_party/khronos/GLES3/gl3.h"
#include "third_party/skia/include/core/SkSurfaceProps.h"
#include "ui/gfx/color_space.h"
+#include "ui/gfx/switches.h"
namespace blink {
@@ -19,6 +21,10 @@ namespace blink {
// Level 4 specification.
gfx::ColorSpace PredefinedColorSpaceToGfxColorSpace(
PredefinedColorSpace color_space) {
+ auto* cmd_line = base::CommandLine::ForCurrentProcess();
+ if (cmd_line->HasSwitch(switches::kDisableColorCorrectRendering)) {
+ return gfx::ColorSpace();
+ }
switch (color_space) {
case PredefinedColorSpace::kSRGB:
return gfx::ColorSpace::CreateSRGB();
@@ -118,6 +124,11 @@ uint8_t CanvasColorParams::BytesPerPixel() const {
}
gfx::ColorSpace CanvasColorParams::GetStorageGfxColorSpace() const {
+ auto* cmd_line = base::CommandLine::ForCurrentProcess();
+ if (cmd_line->HasSwitch(switches::kDisableColorCorrectRendering)) {
+ return gfx::ColorSpace();
+ }
+
return PredefinedColorSpaceToGfxColorSpace(color_space_);
}
diff --git a/third_party/blink/renderer/platform/widget/compositing/layer_tree_settings.cc b/third_party/blink/renderer/platform/widget/compositing/layer_tree_settings.cc
index bd070fbfc7f3abcef7c0d89a608fc52c31cf3be3..8f16aaa064c2455d02c7d8e1ff09364fdedcd0fa 100644
--- a/third_party/blink/renderer/platform/widget/compositing/layer_tree_settings.cc
+++ b/third_party/blink/renderer/platform/widget/compositing/layer_tree_settings.cc
@@ -24,6 +24,7 @@
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "ui/base/ui_base_features.h"
#include "ui/base/ui_base_switches.h"
+#include "ui/gfx/switches.h"
#include "ui/native_theme/native_theme_features.h"
#include "ui/native_theme/overlay_scrollbar_constants_aura.h"
@@ -178,6 +179,9 @@ cc::LayerTreeSettings GenerateLayerTreeSettings(
settings.main_frame_before_activation_enabled =
cmd.HasSwitch(cc::switches::kEnableMainFrameBeforeActivation);
+ settings.enable_color_correct_rendering =
+ !cmd.HasSwitch(::switches::kDisableColorCorrectRendering);
+
// Checkerimaging is not supported for synchronous single-threaded mode, which
// is what the renderer uses if its not threaded.
settings.enable_checker_imaging =
diff --git a/ui/gfx/mac/io_surface.cc b/ui/gfx/mac/io_surface.cc
index e030f01e72d18ef08d04ffbc72a5abb9a7b485c5..25155263bede8a465eb3f3bc2960f173c8f14935 100644
--- a/ui/gfx/mac/io_surface.cc
+++ b/ui/gfx/mac/io_surface.cc
@@ -20,6 +20,7 @@
#include "ui/gfx/buffer_format_util.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/icc_profile.h"
+#include "ui/gfx/switches.h"
namespace gfx {
@@ -142,6 +143,14 @@ void IOSurfaceMachPortTraits::Release(mach_port_t port) {
// Common method used by IOSurfaceSetColorSpace and IOSurfaceCanSetColorSpace.
bool IOSurfaceSetColorSpace(IOSurfaceRef io_surface,
const ColorSpace& color_space) {
+ auto* cmd_line = base::CommandLine::ForCurrentProcess();
+ if (cmd_line->HasSwitch(switches::kDisableColorCorrectRendering)) {
+ base::ScopedCFTypeRef<CFDataRef> system_icc(
+ CGColorSpaceCopyICCData(base::mac::GetSystemColorSpace()));
+ IOSurfaceSetValue(io_surface, CFSTR("IOSurfaceColorSpace"), system_icc);
+ return true;
+ }
+
// Allow but ignore invalid color spaces.
if (!color_space.IsValid())
return true;
@@ -311,6 +320,15 @@ IOSurfaceRef CreateIOSurface(const gfx::Size& size,
DCHECK_EQ(kIOReturnSuccess, r);
}
+ auto* cmd_line = base::CommandLine::ForCurrentProcess();
+ if (cmd_line->HasSwitch(switches::kDisableColorCorrectRendering)) {
+ CGColorSpaceRef color_space = base::mac::GetSystemColorSpace();
+ base::ScopedCFTypeRef<CFDataRef> color_space_icc(
+ CGColorSpaceCopyICCData(color_space));
+ IOSurfaceSetValue(surface, CFSTR("IOSurfaceColorSpace"), color_space_icc);
+ return surface;
+ }
+
// Ensure that all IOSurfaces start as sRGB.
IOSurfaceSetValue(surface, CFSTR("IOSurfaceColorSpace"), kCGColorSpaceSRGB);
diff --git a/ui/gfx/switches.cc b/ui/gfx/switches.cc
index 0e8044c6d87008c51fd165c6ef8bdc3687d6cc29..78015868927602b5225f252f0a9182f61b8431dc 100644
--- a/ui/gfx/switches.cc
+++ b/ui/gfx/switches.cc
@@ -11,6 +11,8 @@ namespace switches {
// only apply to LinearAnimation and its subclasses.
const char kAnimationDurationScale[] = "animation-duration-scale";
+const char kDisableColorCorrectRendering[] = "disable-color-correct-rendering";
+
// Force disables font subpixel positioning. This affects the character glyph
// sharpness, kerning, hinting and layout.
const char kDisableFontSubpixelPositioning[] =
diff --git a/ui/gfx/switches.h b/ui/gfx/switches.h
index e8e5d44e246364dd45594efb442c129676c14270..252096ee18ca33f4b98f68beb1f534e1c2ab805e 100644
--- a/ui/gfx/switches.h
+++ b/ui/gfx/switches.h
@@ -12,6 +12,7 @@
namespace switches {
GFX_SWITCHES_EXPORT extern const char kAnimationDurationScale[];
+GFX_SWITCHES_EXPORT extern const char kDisableColorCorrectRendering[];
GFX_SWITCHES_EXPORT extern const char kDisableFontSubpixelPositioning[];
GFX_SWITCHES_EXPORT extern const char kEnableNativeGpuMemoryBuffers[];
GFX_SWITCHES_EXPORT extern const char kForcePrefersReducedMotion[];