| /* |
| * 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 "GrGLUtil.h" |
| #include "GrTypesPriv.h" |
| #include "SkMatrix.h" |
| #include <stdio.h> |
| |
| void GrGLClearErr(const GrGLInterface* gl) { |
| while (GR_GL_NO_ERROR != gl->fFunctions.fGetError()) {} |
| } |
| |
| namespace { |
| const char *get_error_string(uint32_t err) { |
| switch (err) { |
| case GR_GL_NO_ERROR: |
| return ""; |
| case GR_GL_INVALID_ENUM: |
| return "Invalid Enum"; |
| case GR_GL_INVALID_VALUE: |
| return "Invalid Value"; |
| case GR_GL_INVALID_OPERATION: |
| return "Invalid Operation"; |
| case GR_GL_OUT_OF_MEMORY: |
| return "Out of Memory"; |
| case GR_GL_CONTEXT_LOST: |
| return "Context Lost"; |
| } |
| return "Unknown"; |
| } |
| } |
| |
| void GrGLCheckErr(const GrGLInterface* gl, |
| const char* location, |
| const char* call) { |
| uint32_t err = GR_GL_GET_ERROR(gl); |
| if (GR_GL_NO_ERROR != err) { |
| SkDebugf("---- glGetError 0x%x(%s)", err, get_error_string(err)); |
| if (location) { |
| SkDebugf(" at\n\t%s", location); |
| } |
| if (call) { |
| SkDebugf("\n\t\t%s", call); |
| } |
| SkDebugf("\n"); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #if GR_GL_LOG_CALLS |
| bool gLogCallsGL = !!(GR_GL_LOG_CALLS_START); |
| #endif |
| |
| #if GR_GL_CHECK_ERROR |
| bool gCheckErrorGL = !!(GR_GL_CHECK_ERROR_START); |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| GrGLStandard GrGLGetStandardInUseFromString(const char* versionString) { |
| if (nullptr == versionString) { |
| SkDebugf("nullptr GL version string."); |
| return kNone_GrGLStandard; |
| } |
| |
| int major, minor; |
| |
| // check for desktop |
| int n = sscanf(versionString, "%d.%d", &major, &minor); |
| if (2 == n) { |
| return kGL_GrGLStandard; |
| } |
| |
| // check for ES 1 |
| char profile[2]; |
| n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, &major, &minor); |
| if (4 == n) { |
| // we no longer support ES1. |
| return kNone_GrGLStandard; |
| } |
| |
| // check for ES2 |
| n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); |
| if (2 == n) { |
| return kGLES_GrGLStandard; |
| } |
| return kNone_GrGLStandard; |
| } |
| |
| void GrGLGetDriverInfo(GrGLStandard standard, |
| GrGLVendor vendor, |
| const char* rendererString, |
| const char* versionString, |
| GrGLDriver* outDriver, |
| GrGLDriverVersion* outVersion) { |
| int major, minor, rev, driverMajor, driverMinor, driverPoint; |
| |
| *outDriver = kUnknown_GrGLDriver; |
| *outVersion = GR_GL_DRIVER_UNKNOWN_VER; |
| // These null checks are for test GL contexts that return nullptr in their |
| // glGetString implementation. |
| if (!rendererString) { |
| rendererString = ""; |
| } |
| if (!versionString) { |
| versionString = ""; |
| } |
| |
| static const char kChromium[] = "Chromium"; |
| char suffix[SK_ARRAY_COUNT(kChromium)]; |
| if (0 == strcmp(rendererString, kChromium) || |
| (3 == sscanf(versionString, "OpenGL ES %d.%d %8s", &major, &minor, suffix) && |
| 0 == strcmp(kChromium, suffix))) { |
| *outDriver = kChromium_GrGLDriver; |
| return; |
| } |
| |
| if (standard == kGL_GrGLStandard) { |
| if (kNVIDIA_GrGLVendor == vendor) { |
| *outDriver = kNVIDIA_GrGLDriver; |
| int n = sscanf(versionString, "%d.%d.%d NVIDIA %d.%d", |
| &major, &minor, &rev, &driverMajor, &driverMinor); |
| // Some older NVIDIA drivers don't report the driver version. |
| if (5 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| } |
| return; |
| } |
| int n = sscanf(versionString, "%d.%d Mesa %d.%d", |
| &major, &minor, &driverMajor, &driverMinor); |
| if (4 != n) { |
| n = sscanf(versionString, "%d.%d (Core Profile) Mesa %d.%d", |
| &major, &minor, &driverMajor, &driverMinor); |
| } |
| if (4 == n) { |
| *outDriver = kMesa_GrGLDriver; |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| return; |
| } |
| } |
| else { |
| if (kNVIDIA_GrGLVendor == vendor) { |
| *outDriver = kNVIDIA_GrGLDriver; |
| int n = sscanf(versionString, "OpenGL ES %d.%d NVIDIA %d.%d", |
| &major, &minor, &driverMajor, &driverMinor); |
| // Some older NVIDIA drivers don't report the driver version. |
| if (4 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| } |
| return; |
| } |
| |
| int n = sscanf(versionString, "OpenGL ES %d.%d Mesa %d.%d", |
| &major, &minor, &driverMajor, &driverMinor); |
| if (4 == n) { |
| *outDriver = kMesa_GrGLDriver; |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| return; |
| } |
| if (0 == strncmp("ANGLE", rendererString, 5)) { |
| *outDriver = kANGLE_GrGLDriver; |
| n = sscanf(versionString, "OpenGL ES %d.%d (ANGLE %d.%d", &major, &minor, &driverMajor, |
| &driverMinor); |
| if (4 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| } |
| return; |
| } |
| } |
| |
| if (kGoogle_GrGLVendor == vendor) { |
| // Swiftshader is the only Google vendor at the moment |
| *outDriver = kSwiftShader_GrGLDriver; |
| |
| // Swiftshader has a strange version string: w.x.y.z Going to arbitrarily ignore |
| // y and assume w,x and z are major, minor, point. |
| // As of writing, version is 4.0.0.6 |
| int n = sscanf(versionString, "OpenGL ES %d.%d SwiftShader %d.%d.0.%d", &major, &minor, |
| &driverMajor, &driverMinor, &driverPoint); |
| if (5 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, driverPoint); |
| } |
| return; |
| } |
| |
| if (kIntel_GrGLVendor == vendor) { |
| // We presume we're on the Intel driver since it hasn't identified itself as Mesa. |
| *outDriver = kIntel_GrGLDriver; |
| |
| //This is how the macOS version strings are structured. This might be different on different |
| // OSes. |
| int n = sscanf(versionString, "%d.%d INTEL-%d.%d.%d", &major, &minor, &driverMajor, |
| &driverMinor, &driverPoint); |
| if (5 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, driverPoint); |
| } |
| } |
| |
| if (kQualcomm_GrGLVendor == vendor) { |
| *outDriver = kQualcomm_GrGLDriver; |
| int n = sscanf(versionString, "OpenGL ES %d.%d V@%d.%d", &major, &minor, &driverMajor, |
| &driverMinor); |
| if (4 == n) { |
| *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor, 0); |
| } |
| return; |
| } |
| } |
| |
| GrGLVersion GrGLGetVersionFromString(const char* versionString) { |
| if (nullptr == versionString) { |
| SkDebugf("nullptr GL version string."); |
| return GR_GL_INVALID_VER; |
| } |
| |
| int major, minor; |
| |
| // check for mesa |
| int mesaMajor, mesaMinor; |
| int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaMajor, &mesaMinor); |
| if (4 == n) { |
| return GR_GL_VER(major, minor); |
| } |
| |
| n = sscanf(versionString, "%d.%d", &major, &minor); |
| if (2 == n) { |
| return GR_GL_VER(major, minor); |
| } |
| |
| char profile[2]; |
| n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, |
| &major, &minor); |
| if (4 == n) { |
| return GR_GL_VER(major, minor); |
| } |
| |
| n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); |
| if (2 == n) { |
| return GR_GL_VER(major, minor); |
| } |
| |
| return GR_GL_INVALID_VER; |
| } |
| |
| GrGLSLVersion GrGLGetGLSLVersionFromString(const char* versionString) { |
| if (nullptr == versionString) { |
| SkDebugf("nullptr GLSL version string."); |
| return GR_GLSL_INVALID_VER; |
| } |
| |
| int major, minor; |
| |
| int n = sscanf(versionString, "%d.%d", &major, &minor); |
| if (2 == n) { |
| return GR_GLSL_VER(major, minor); |
| } |
| |
| n = sscanf(versionString, "OpenGL ES GLSL ES %d.%d", &major, &minor); |
| if (2 == n) { |
| return GR_GLSL_VER(major, minor); |
| } |
| |
| #ifdef SK_BUILD_FOR_ANDROID |
| // android hack until the gpu vender updates their drivers |
| n = sscanf(versionString, "OpenGL ES GLSL %d.%d", &major, &minor); |
| if (2 == n) { |
| return GR_GLSL_VER(major, minor); |
| } |
| #endif |
| |
| return GR_GLSL_INVALID_VER; |
| } |
| |
| GrGLVendor GrGLGetVendorFromString(const char* vendorString) { |
| if (vendorString) { |
| if (0 == strcmp(vendorString, "ARM")) { |
| return kARM_GrGLVendor; |
| } |
| if (0 == strcmp(vendorString, "Google Inc.")) { |
| return kGoogle_GrGLVendor; |
| } |
| if (0 == strcmp(vendorString, "Imagination Technologies")) { |
| return kImagination_GrGLVendor; |
| } |
| if (0 == strncmp(vendorString, "Intel ", 6) || 0 == strcmp(vendorString, "Intel")) { |
| return kIntel_GrGLVendor; |
| } |
| if (0 == strcmp(vendorString, "Qualcomm")) { |
| return kQualcomm_GrGLVendor; |
| } |
| if (0 == strcmp(vendorString, "NVIDIA Corporation")) { |
| return kNVIDIA_GrGLVendor; |
| } |
| if (0 == strcmp(vendorString, "ATI Technologies Inc.")) { |
| return kATI_GrGLVendor; |
| } |
| } |
| return kOther_GrGLVendor; |
| } |
| |
| static bool is_renderer_angle(const char* rendererString) { |
| static constexpr char kHeader[] = "ANGLE "; |
| static constexpr size_t kHeaderLength = SK_ARRAY_COUNT(kHeader) - 1; |
| return 0 == strncmp(rendererString, kHeader, kHeaderLength); |
| } |
| |
| GrGLRenderer GrGLGetRendererFromStrings(const char* rendererString, |
| const GrGLExtensions& extensions) { |
| if (rendererString) { |
| static const char kTegraStr[] = "NVIDIA Tegra"; |
| if (0 == strncmp(rendererString, kTegraStr, SK_ARRAY_COUNT(kTegraStr) - 1)) { |
| // Tegra strings are not very descriptive. We distinguish between the modern and legacy |
| // architectures by the presence of NV_path_rendering. |
| return extensions.has("GL_NV_path_rendering") ? kTegra_GrGLRenderer |
| : kTegra_PreK1_GrGLRenderer; |
| } |
| int lastDigit; |
| int n = sscanf(rendererString, "PowerVR SGX 54%d", &lastDigit); |
| if (1 == n && lastDigit >= 0 && lastDigit <= 9) { |
| return kPowerVR54x_GrGLRenderer; |
| } |
| // certain iOS devices also use PowerVR54x GPUs |
| static const char kAppleA4Str[] = "Apple A4"; |
| static const char kAppleA5Str[] = "Apple A5"; |
| static const char kAppleA6Str[] = "Apple A6"; |
| if (0 == strncmp(rendererString, kAppleA4Str, |
| SK_ARRAY_COUNT(kAppleA4Str)-1) || |
| 0 == strncmp(rendererString, kAppleA5Str, |
| SK_ARRAY_COUNT(kAppleA5Str)-1) || |
| 0 == strncmp(rendererString, kAppleA6Str, |
| SK_ARRAY_COUNT(kAppleA6Str)-1)) { |
| return kPowerVR54x_GrGLRenderer; |
| } |
| static const char kPowerVRRogueStr[] = "PowerVR Rogue"; |
| static const char kAppleA7Str[] = "Apple A7"; |
| static const char kAppleA8Str[] = "Apple A8"; |
| if (0 == strncmp(rendererString, kPowerVRRogueStr, |
| SK_ARRAY_COUNT(kPowerVRRogueStr)-1) || |
| 0 == strncmp(rendererString, kAppleA7Str, |
| SK_ARRAY_COUNT(kAppleA7Str)-1) || |
| 0 == strncmp(rendererString, kAppleA8Str, |
| SK_ARRAY_COUNT(kAppleA8Str)-1)) { |
| return kPowerVRRogue_GrGLRenderer; |
| } |
| int adrenoNumber; |
| n = sscanf(rendererString, "Adreno (TM) %d", &adrenoNumber); |
| if (1 == n) { |
| if (adrenoNumber >= 300) { |
| if (adrenoNumber < 400) { |
| return kAdreno3xx_GrGLRenderer; |
| } |
| if (adrenoNumber < 500) { |
| return kAdreno4xx_GrGLRenderer; |
| } |
| if (adrenoNumber < 600) { |
| return kAdreno5xx_GrGLRenderer; |
| } |
| } |
| } |
| if (0 == strcmp("Google SwiftShader", rendererString)) { |
| return kGoogleSwiftShader_GrGLRenderer; |
| } |
| if (0 == strcmp("Intel Iris Pro OpenGL Engine", rendererString)) { |
| return kIntelIrisPro_GrGLRenderer; |
| } |
| |
| int intelNumber; |
| if (sscanf(rendererString, "Intel(R) Iris(TM) Graphics %d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) Iris(TM) Pro Graphics %d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) Iris(TM) Pro Graphics P%d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) Iris(R) Graphics %d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) Iris(R) Pro Graphics %d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) Iris(R) Pro Graphics P%d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) HD Graphics %d", &intelNumber) || |
| sscanf(rendererString, "Intel(R) HD Graphics P%d", &intelNumber)) { |
| |
| if (intelNumber >= 4000 && intelNumber < 5000) { |
| return kIntel4xxx_GrGLRenderer; |
| } |
| if (intelNumber >= 6000 && intelNumber < 7000) { |
| return kIntel6xxx_GrGLRenderer; |
| } |
| if (intelNumber >= 500 && intelNumber < 600) { |
| return kIntelSkylake_GrGLRenderer; |
| } |
| } |
| |
| // The AMD string can have a somewhat arbitrary preamble (see skbug.com/7195) |
| if (const char* amdString = strstr(rendererString, "Radeon")) { |
| char amdGeneration, amdTier, amdRevision; |
| n = sscanf(amdString, "Radeon (TM) R9 M%c%c%c", |
| &amdGeneration, &amdTier, &amdRevision); |
| if (3 == n) { |
| if ('4' == amdGeneration) { |
| return kAMDRadeonR9M4xx_GrGLRenderer; |
| } |
| } |
| |
| char amd0, amd1, amd2; |
| n = sscanf(amdString, "Radeon HD 7%c%c%c Series", &amd0, &amd1, &amd2); |
| if (3 == n) { |
| return kAMDRadeonHD7xxx_GrGLRenderer; |
| } |
| } |
| |
| if (0 == strcmp("Mesa Offscreen", rendererString)) { |
| return kOSMesa_GrGLRenderer; |
| } |
| if (strstr(rendererString, "llvmpipe")) { |
| return kGalliumLLVM_GrGLRenderer; |
| } |
| static const char kMaliTStr[] = "Mali-T"; |
| if (0 == strncmp(rendererString, kMaliTStr, SK_ARRAY_COUNT(kMaliTStr) - 1)) { |
| return kMaliT_GrGLRenderer; |
| } |
| int mali400Num; |
| if (1 == sscanf(rendererString, "Mali-%d", &mali400Num) && mali400Num >= 400 && |
| mali400Num < 500) { |
| return kMali4xx_GrGLRenderer; |
| } |
| if (is_renderer_angle(rendererString)) { |
| return kANGLE_GrGLRenderer; |
| } |
| } |
| return kOther_GrGLRenderer; |
| } |
| |
| void GrGLGetANGLEInfoFromString(const char* rendererString, GrGLANGLEBackend* backend, |
| GrGLANGLEVendor* vendor, GrGLANGLERenderer* renderer) { |
| *backend = GrGLANGLEBackend::kUnknown; |
| *vendor = GrGLANGLEVendor::kUnknown; |
| *renderer = GrGLANGLERenderer::kUnknown; |
| if (!is_renderer_angle(rendererString)) { |
| return; |
| } |
| if (strstr(rendererString, "Intel")) { |
| *vendor = GrGLANGLEVendor::kIntel; |
| |
| const char* modelStr; |
| int modelNumber; |
| if ((modelStr = strstr(rendererString, "HD Graphics")) && |
| (1 == sscanf(modelStr, "HD Graphics %i", &modelNumber) || |
| 1 == sscanf(modelStr, "HD Graphics P%i", &modelNumber))) { |
| switch (modelNumber) { |
| case 4000: |
| case 2500: |
| *renderer = GrGLANGLERenderer::kIvyBridge; |
| break; |
| case 510: |
| case 515: |
| case 520: |
| case 530: |
| *renderer = GrGLANGLERenderer::kSkylake; |
| break; |
| } |
| } else if ((modelStr = strstr(rendererString, "Iris")) && |
| (1 == sscanf(modelStr, "Iris(TM) Graphics %i", &modelNumber) || |
| 1 == sscanf(modelStr, "Iris(TM) Pro Graphics %i", &modelNumber) || |
| 1 == sscanf(modelStr, "Iris(TM) Pro Graphics P%i", &modelNumber))) { |
| switch (modelNumber) { |
| case 540: |
| case 550: |
| case 555: |
| case 580: |
| *renderer = GrGLANGLERenderer::kSkylake; |
| break; |
| } |
| } |
| } |
| if (strstr(rendererString, "Direct3D11")) { |
| *backend = GrGLANGLEBackend::kD3D11; |
| } else if (strstr(rendererString, "Direct3D9")) { |
| *backend = GrGLANGLEBackend::kD3D9; |
| } else if (strstr(rendererString, "OpenGL")) { |
| *backend = GrGLANGLEBackend::kOpenGL; |
| } |
| } |
| |
| GrGLVersion GrGLGetVersion(const GrGLInterface* gl) { |
| const GrGLubyte* v; |
| GR_GL_CALL_RET(gl, v, GetString(GR_GL_VERSION)); |
| return GrGLGetVersionFromString((const char*) v); |
| } |
| |
| GrGLSLVersion GrGLGetGLSLVersion(const GrGLInterface* gl) { |
| const GrGLubyte* v; |
| GR_GL_CALL_RET(gl, v, GetString(GR_GL_SHADING_LANGUAGE_VERSION)); |
| return GrGLGetGLSLVersionFromString((const char*) v); |
| } |
| |
| GrGLVendor GrGLGetVendor(const GrGLInterface* gl) { |
| const GrGLubyte* v; |
| GR_GL_CALL_RET(gl, v, GetString(GR_GL_VENDOR)); |
| return GrGLGetVendorFromString((const char*) v); |
| } |
| |
| GrGLRenderer GrGLGetRenderer(const GrGLInterface* gl) { |
| const GrGLubyte* rendererString; |
| GR_GL_CALL_RET(gl, rendererString, GetString(GR_GL_RENDERER)); |
| |
| return GrGLGetRendererFromStrings((const char*)rendererString, gl->fExtensions); |
| } |
| |
| GrGLenum GrToGLStencilFunc(GrStencilTest test) { |
| static const GrGLenum gTable[kGrStencilTestCount] = { |
| GR_GL_ALWAYS, // kAlways |
| GR_GL_NEVER, // kNever |
| GR_GL_GREATER, // kGreater |
| GR_GL_GEQUAL, // kGEqual |
| GR_GL_LESS, // kLess |
| GR_GL_LEQUAL, // kLEqual |
| GR_GL_EQUAL, // kEqual |
| GR_GL_NOTEQUAL, // kNotEqual |
| }; |
| GR_STATIC_ASSERT(0 == (int)GrStencilTest::kAlways); |
| GR_STATIC_ASSERT(1 == (int)GrStencilTest::kNever); |
| GR_STATIC_ASSERT(2 == (int)GrStencilTest::kGreater); |
| GR_STATIC_ASSERT(3 == (int)GrStencilTest::kGEqual); |
| GR_STATIC_ASSERT(4 == (int)GrStencilTest::kLess); |
| GR_STATIC_ASSERT(5 == (int)GrStencilTest::kLEqual); |
| GR_STATIC_ASSERT(6 == (int)GrStencilTest::kEqual); |
| GR_STATIC_ASSERT(7 == (int)GrStencilTest::kNotEqual); |
| SkASSERT(test < (GrStencilTest)kGrStencilTestCount); |
| |
| return gTable[(int)test]; |
| } |
| |
| GrPixelConfig GrGLSizedFormatToPixelConfig(GrGLenum sizedFormat) { |
| switch (sizedFormat) { |
| case GR_GL_R8: |
| return kAlpha_8_as_Red_GrPixelConfig; |
| case GR_GL_ALPHA8: |
| return kAlpha_8_as_Alpha_GrPixelConfig; |
| case GR_GL_RGBA8: |
| return kRGBA_8888_GrPixelConfig; |
| case GR_GL_RGB8: |
| return kRGB_888_GrPixelConfig; |
| case GR_GL_BGRA8: |
| return kBGRA_8888_GrPixelConfig; |
| case GR_GL_SRGB8_ALPHA8: |
| return kSRGBA_8888_GrPixelConfig; |
| case GR_GL_RGB565: |
| return kRGB_565_GrPixelConfig; |
| case GR_GL_RGB5: |
| return kRGB_565_GrPixelConfig; |
| case GR_GL_RGBA4: |
| return kRGBA_4444_GrPixelConfig; |
| case GR_GL_RGB10_A2: |
| return kRGBA_1010102_GrPixelConfig; |
| case GR_GL_LUMINANCE8: |
| return kGray_8_GrPixelConfig; |
| case GR_GL_RGBA32F: |
| return kRGBA_float_GrPixelConfig; |
| case GR_GL_RG32F: |
| return kRG_float_GrPixelConfig; |
| case GR_GL_R16F: |
| return kAlpha_half_as_Red_GrPixelConfig; |
| case GR_GL_RGBA16F: |
| return kRGBA_half_GrPixelConfig; |
| default: |
| return kUnknown_GrPixelConfig; |
| } |
| } |
| |
