зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.1 KiB
C++
116 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WR_h
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#define WR_h
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#include "mozilla/gfx/Types.h"
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#include "nsTArray.h"
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extern "C" {
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// ----
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// Functions invoked from Rust code
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// ----
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bool is_in_compositor_thread();
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bool is_in_main_thread();
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bool is_in_render_thread();
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bool is_glcontext_egl(void* glcontext_ptr);
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bool is_glcontext_angle(void* glcontext_ptr);
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bool gfx_use_wrench();
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const char* gfx_wr_resource_path_override();
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void gfx_critical_note(const char* msg);
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void gfx_critical_error(const char* msg);
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void gecko_printf_stderr_output(const char* msg);
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void* get_proc_address_from_glcontext(void* glcontext_ptr, const char* procname);
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void gecko_profiler_register_thread(const char* threadname);
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void gecko_profiler_unregister_thread();
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// Prelude of types necessary before including webrender_ffi_generated.h
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namespace mozilla {
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namespace wr {
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struct FontInstanceFlags {
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uint32_t bits;
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bool operator==(const FontInstanceFlags& aOther) const {
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return bits == aOther.bits;
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}
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FontInstanceFlags& operator=(uint32_t aBits) {
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bits = aBits;
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return *this;
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}
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FontInstanceFlags& operator|=(uint32_t aBits) {
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bits |= aBits;
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return *this;
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}
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FontInstanceFlags operator|(uint32_t aBits) {
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FontInstanceFlags flags = { bits | aBits };
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return flags;
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}
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FontInstanceFlags& operator&=(uint32_t aBits) {
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bits &= aBits;
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return *this;
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}
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FontInstanceFlags operator&(uint32_t aBits) {
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FontInstanceFlags flags = { bits & aBits };
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return flags;
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}
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enum : uint32_t {
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SYNTHETIC_ITALICS = 1 << 0,
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SYNTHETIC_BOLD = 1 << 1,
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EMBEDDED_BITMAPS = 1 << 2,
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SUBPIXEL_BGR = 1 << 3,
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TRANSPOSE = 1 << 4,
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FLIP_X = 1 << 5,
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FLIP_Y = 1 << 6,
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FORCE_GDI = 1 << 16,
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FONT_SMOOTHING = 1 << 16,
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FORCE_AUTOHINT = 1 << 16,
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NO_AUTOHINT = 1 << 17,
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VERTICAL_LAYOUT = 1 << 18
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};
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};
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} // namespace wr
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} // namespace mozilla
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} // extern "C"
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// Some useful defines to stub out webrender binding functions for when we
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// build gecko without webrender. We try to tell the compiler these functions
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// are unreachable in that case, but VC++ emits a warning if it finds any
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// unreachable functions invoked from destructors. That warning gets turned into
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// an error and causes the build to fail. So for wr_* functions called by
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// destructors in C++ classes, use WR_DESTRUCTOR_SAFE_FUNC instead, which omits
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// the unreachable annotation.
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#ifdef MOZ_BUILD_WEBRENDER
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# define WR_INLINE
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# define WR_FUNC
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# define WR_DESTRUCTOR_SAFE_FUNC
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#else
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# define WR_INLINE inline
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# define WR_FUNC { MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("WebRender disabled"); }
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# define WR_DESTRUCTOR_SAFE_FUNC {}
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#endif
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#include "webrender_ffi_generated.h"
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#undef WR_FUNC
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#undef WR_DESTRUCTOR_SAFE_FUNC
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#endif // WR_h
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