diff options
Diffstat (limited to 'src/mbgl/gl/context.cpp')
| -rw-r--r-- | src/mbgl/gl/context.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp index 565fe33771..58af38042e 100644 --- a/src/mbgl/gl/context.cpp +++ b/src/mbgl/gl/context.cpp @@ -90,6 +90,28 @@ void Context::enableDebugging() { MBGL_CHECK_ERROR(debugging->debugMessageCallback(extension::Debugging::DebugCallback, nullptr)); } +void Context::logGLDiagnostics() { +#ifdef GL_HIGH_FLOAT + int precision; + int range[2]; + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_VERTEX_SHADER, GL_LOW_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "vertex shader / lowp float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_VERTEX_SHADER, GL_MEDIUM_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "vertex shader / mediump float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_VERTEX_SHADER, GL_HIGH_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "vertex shader / highp float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); + + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_FRAGMENT_SHADER, GL_LOW_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "fragment shader / lowp float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_FRAGMENT_SHADER, GL_MEDIUM_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "fragment shader / mediump float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); + MBGL_CHECK_ERROR(glGetShaderPrecisionFormat(GL_FRAGMENT_SHADER, GL_HIGH_FLOAT, range, &precision)); + mbgl::Log::Info(mbgl::Event::General, "fragment shader / highp float, precision: %i, range: [%i, %i]", precision, range[0], range[1]); +#else + mbgl::Log::Info(mbgl::Event::General, "Shader precision information is not available."); +#endif +} + UniqueShader Context::createShader(ShaderType type, const std::string& source) { UniqueShader result { MBGL_CHECK_ERROR(glCreateShader(static_cast<GLenum>(type))), { this } }; |