chromium/third_party/skia/src/gpu/ganesh/gl/GrGLUtil.cpp

/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "src/gpu/ganesh/gl/GrGLUtil.h"

#include "include/core/SkString.h"
#include "include/gpu/ganesh/gl/GrGLExtensions.h"
#include "include/gpu/ganesh/gl/GrGLFunctions.h"
#include "include/private/base/SkTArray.h"
#include "src/core/SkStringUtils.h"
#include "src/gpu/ganesh/GrStencilSettings.h"

#include <ctype.h>
#include <array>
#include <cstdio>
#include <cstring>
#include <tuple>
#include <utility>

usingnamespaceskia_private;

///////////////////////////////////////////////////////////////////////////////

#if GR_GL_LOG_CALLS
    bool gLogCallsGL = …;
#endif

#if GR_GL_CHECK_ERROR
    bool gCheckErrorGL = …;
#endif

///////////////////////////////////////////////////////////////////////////////

GrGLStandard GrGLGetStandardInUseFromString(const char* versionString) { … }

GrGLVersion GrGLGetVersionFromString(const char* versionString) { … }

GrGLVersion GrGLGetVersion(const GrGLInterface* gl) { … }

static GrGLSLVersion get_glsl_version(const char* versionString) { … }

static GrGLVendor get_vendor(const char* vendorString) { … }

static GrGLRenderer get_renderer(const char* rendererString, const GrGLExtensions& extensions) { … }

static bool is_commamd_buffer(const char* rendererString, const char* versionString) { … }

static bool is_virgl(const char* rendererString) { … }

static std::tuple<GrGLDriver, GrGLDriverVersion> get_driver_and_version(GrGLStandard standard,
                                                                        GrGLVendor vendor,
                                                                        const char* vendorString,
                                                                        const char* rendererString,
                                                                        const char* versionString) { … }

// If this is detected as ANGLE then the ANGLE backend is returned along with rendererString
// stripped of "ANGLE(" and ")" at the start and end, respectively.
static std::tuple<GrGLANGLEBackend, SkString> get_angle_backend(const char* rendererString) { … }

static std::tuple<GrGLVendor, GrGLRenderer, GrGLDriver, GrGLDriverVersion>
get_angle_gl_vendor_and_renderer(
        const char* innerString,
        const GrGLExtensions& extensions) { … }

static GrGLVendor get_angle_metal_vendor(const char* innerString) { … }

static std::tuple<GrGLVendor, GrGLRenderer, GrGLDriver, GrGLDriverVersion>
get_angle_d3d_vendor_and_renderer(const char* innerString) { … }

static std::tuple<GrGLVendor, GrGLRenderer>
get_webgl_vendor_and_renderer(
        const GrGLInterface* interface) { … }

GrGLDriverInfo GrGLGetDriverInfo(const GrGLInterface* interface) { … }

GrGLenum GrToGLStencilFunc(GrStencilTest test) { … }

bool GrGLFormatIsCompressed(GrGLFormat format) { … }