| // |
| // Copyright © 2012 Linaro Limited |
| // |
| // This file is part of the glmark2 OpenGL (ES) 2.0 benchmark. |
| // |
| // glmark2 is free software: you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the Free Software |
| // Foundation, either version 3 of the License, or (at your option) any later |
| // version. |
| // |
| // glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY |
| // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| // details. |
| // |
| // You should have received a copy of the GNU General Public License along with |
| // glmark2. If not, see <http://www.gnu.org/licenses/>. |
| // |
| // Authors: |
| // Jesse Barker |
| // |
| #include "egl-state.h" |
| #include "log.h" |
| #include "options.h" |
| #include "limits.h" |
| #include <iomanip> |
| #include <sstream> |
| |
| using std::vector; |
| using std::string; |
| |
| EglConfig::EglConfig(EGLDisplay dpy, EGLConfig config) : |
| handle_(config), |
| bufferSize_(0), |
| redSize_(0), |
| greenSize_(0), |
| blueSize_(0), |
| luminanceSize_(0), |
| alphaSize_(0), |
| alphaMaskSize_(0), |
| bufferType_(EGL_RGB_BUFFER), |
| caveat_(0), |
| configID_(0), |
| depthSize_(0), |
| nativeID_(0), |
| nativeType_(0), |
| nativeRenderable_(false), |
| sampleBuffers_(0), |
| samples_(0), |
| stencilSize_(0), |
| surfaceType_(0), |
| xparentType_(0), |
| xparentRedValue_(0), |
| xparentGreenValue_(0), |
| xparentBlueValue_(0) |
| { |
| vector<string> badAttribVec; |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_CONFIG_ID, &configID_)) |
| { |
| badAttribVec.push_back("EGL_CONFIG_ID"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_CONFIG_CAVEAT, &caveat_)) |
| { |
| badAttribVec.push_back("EGL_CONFIG_CAVEAT"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_COLOR_BUFFER_TYPE, &bufferType_)) |
| { |
| badAttribVec.push_back("EGL_COLOR_BUFFER_TYPE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_BUFFER_SIZE, &bufferSize_)) |
| { |
| badAttribVec.push_back("EGL_BUFFER_SIZE"); |
| } |
| |
| if (bufferType_ == EGL_RGB_BUFFER) |
| { |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_RED_SIZE, &redSize_)) |
| { |
| badAttribVec.push_back("EGL_RED_SIZE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_GREEN_SIZE, &greenSize_)) |
| { |
| badAttribVec.push_back("EGL_GREEN_SIZE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_BLUE_SIZE, &blueSize_)) |
| { |
| badAttribVec.push_back("EGL_BLUE_SIZE"); |
| } |
| } |
| else |
| { |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_LUMINANCE_SIZE, &luminanceSize_)) |
| { |
| badAttribVec.push_back("EGL_LUMINANCE_SIZE"); |
| } |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_ALPHA_SIZE, &alphaSize_)) |
| { |
| badAttribVec.push_back("EGL_ALPHA_SIZE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_DEPTH_SIZE, &depthSize_)) |
| { |
| badAttribVec.push_back("EGL_DEPTH_SIZE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_STENCIL_SIZE, &stencilSize_)) |
| { |
| badAttribVec.push_back("EGL_STENCIL_SIZE"); |
| } |
| EGLint doNative(EGL_FALSE); |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_NATIVE_RENDERABLE, &doNative)) |
| { |
| badAttribVec.push_back("EGL_NATIVE_RENDERABLE"); |
| } |
| if (doNative == EGL_TRUE) |
| { |
| nativeRenderable_ = true; |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_NATIVE_VISUAL_TYPE, &nativeType_)) |
| { |
| badAttribVec.push_back("EGL_NATIVE_VISUAL_TYPE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_NATIVE_VISUAL_ID, &nativeID_)) |
| { |
| badAttribVec.push_back("EGL_NATIVE_VISUAL_ID"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_SURFACE_TYPE, &surfaceType_)) |
| { |
| badAttribVec.push_back("EGL_SURFACE_TYPE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_SAMPLE_BUFFERS, &sampleBuffers_)) |
| { |
| badAttribVec.push_back("EGL_SAMPLE_BUFFERS"); |
| } |
| if (sampleBuffers_) |
| { |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_SAMPLES, &samples_)) |
| { |
| badAttribVec.push_back("EGL_SAMPLES"); |
| } |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_TRANSPARENT_TYPE, &xparentType_)) |
| { |
| badAttribVec.push_back("EGL_TRANSPARENT_TYPE"); |
| } |
| //if (xparentType_ != EGL_NONE) |
| { |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_TRANSPARENT_RED_VALUE, &xparentRedValue_)) |
| { |
| badAttribVec.push_back("EGL_TRANSPARENT_RED_VALUE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_TRANSPARENT_GREEN_VALUE, &xparentGreenValue_)) |
| { |
| badAttribVec.push_back("EGL_TRANSPARENT_GREEN_VALUE"); |
| } |
| if (!eglGetConfigAttrib(dpy, handle_, EGL_TRANSPARENT_BLUE_VALUE, &xparentBlueValue_)) |
| { |
| badAttribVec.push_back("EGL_TRANSPARENT_BLUE_VALUE"); |
| } |
| } |
| |
| if (!badAttribVec.empty()) |
| { |
| Log::error("Failed to get the following config attributes for config 0x%x:\n", |
| config); |
| for (vector<string>::const_iterator attribIt = badAttribVec.begin(); |
| attribIt != badAttribVec.end(); |
| attribIt++) |
| { |
| Log::error("%s\n", attribIt->c_str()); |
| } |
| } |
| } |
| |
| void |
| EglConfig::print_header() |
| { |
| Log::debug("\n"); |
| Log::debug(" cfg buf rgb colorbuffer dp st config native support surface sample\n"); |
| Log::debug(" id sz lum r g b a th cl caveat render visid type buf ns\n"); |
| Log::debug("------------------------------------------------------------------------\n"); |
| } |
| |
| void |
| EglConfig::print() const |
| { |
| std::ostringstream s; |
| s.setf(std::ios::showbase); |
| s.fill(' '); |
| s << std::setw(7) << std::hex << configID_; |
| s << std::setw(4) << std::dec << bufferSize_; |
| if (bufferType_ == EGL_RGB_BUFFER) |
| { |
| s << std::setw(5) << "rgb"; |
| s << std::setw(3) << redSize_; |
| s << std::setw(3) << greenSize_; |
| s << std::setw(3) << blueSize_; |
| } |
| else |
| { |
| s << std::setw(5) << "lum"; |
| s << std::setw(3) << luminanceSize_; |
| s << std::setw(3) << 0; |
| s << std::setw(3) << 0; |
| } |
| s << std::setw(3) << alphaSize_; |
| s << std::setw(4) << depthSize_; |
| s << std::setw(3) << stencilSize_; |
| string caveat("None"); |
| switch (caveat_) |
| { |
| case EGL_SLOW_CONFIG: |
| caveat = string("Slow"); |
| break; |
| case EGL_NON_CONFORMANT_CONFIG: |
| caveat = string("Ncon"); |
| break; |
| case EGL_NONE: |
| // Initialized to none. |
| break; |
| } |
| s << std::setw(7) << caveat; |
| string doNative(nativeRenderable_ ? "true" : "false"); |
| s << std::setw(7) << doNative; |
| s << std::setw(8) << std::hex << nativeID_; |
| s << std::setw(8) << std::hex << surfaceType_; |
| s << std::setw(4) << std::dec << sampleBuffers_; |
| s << std::setw(3) << std::dec << samples_; |
| Log::debug("%s\n", s.str().c_str()); |
| } |
| |
| |
| bool |
| EGLState::init_display(EGLNativeDisplayType native_display, GLVisualConfig& visual_config) |
| { |
| native_display_ = native_display; |
| visual_config_ = visual_config; |
| |
| return gotValidDisplay(); |
| } |
| |
| bool |
| EGLState::init_surface(EGLNativeWindowType native_window) |
| { |
| native_window_ = reinterpret_cast<EGLNativeWindowType>(native_window); |
| |
| return gotValidSurface(); |
| } |
| |
| void |
| EGLState::swap() |
| { |
| eglSwapBuffers(egl_display_, egl_surface_); |
| } |
| |
| bool |
| EGLState::gotValidDisplay() |
| { |
| if (egl_display_) |
| return true; |
| |
| egl_display_ = eglGetDisplay(native_display_); |
| if (!egl_display_) { |
| Log::error("eglGetDisplay() failed with error: 0x%x\n", eglGetError()); |
| return false; |
| } |
| int egl_major(-1); |
| int egl_minor(-1); |
| if (!eglInitialize(egl_display_, &egl_major, &egl_minor)) { |
| Log::error("eglInitialize() failed with error: 0x%x\n", eglGetError()); |
| egl_display_ = 0; |
| return false; |
| } |
| |
| #if USE_GLESv2 |
| EGLenum apiType(EGL_OPENGL_ES_API); |
| #elif USE_GL |
| EGLenum apiType(EGL_OPENGL_API); |
| #endif |
| if (!eglBindAPI(apiType)) { |
| Log::error("Failed to bind api EGL_OPENGL_ES_API\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void |
| EGLState::get_glvisualconfig(EGLConfig config, GLVisualConfig& visual_config) |
| { |
| eglGetConfigAttrib(egl_display_, config, EGL_BUFFER_SIZE, &visual_config.buffer); |
| eglGetConfigAttrib(egl_display_, config, EGL_RED_SIZE, &visual_config.red); |
| eglGetConfigAttrib(egl_display_, config, EGL_GREEN_SIZE, &visual_config.green); |
| eglGetConfigAttrib(egl_display_, config, EGL_BLUE_SIZE, &visual_config.blue); |
| eglGetConfigAttrib(egl_display_, config, EGL_ALPHA_SIZE, &visual_config.alpha); |
| eglGetConfigAttrib(egl_display_, config, EGL_DEPTH_SIZE, &visual_config.depth); |
| } |
| |
| EGLConfig |
| EGLState::select_best_config(std::vector<EGLConfig>& configs) |
| { |
| int best_score(INT_MIN); |
| EGLConfig best_config(0); |
| |
| /* |
| * Go through all the configs and choose the one with the best score, |
| * i.e., the one better matching the requested config. |
| */ |
| for (std::vector<EGLConfig>::const_iterator iter = configs.begin(); |
| iter != configs.end(); |
| iter++) |
| { |
| const EGLConfig config(*iter); |
| GLVisualConfig vc; |
| int score; |
| |
| get_glvisualconfig(config, vc); |
| |
| score = vc.match_score(visual_config_); |
| |
| if (score > best_score) { |
| best_score = score; |
| best_config = config; |
| } |
| } |
| |
| return best_config; |
| } |
| |
| bool |
| EGLState::gotValidConfig() |
| { |
| if (egl_config_) |
| return true; |
| |
| if (!gotValidDisplay()) |
| return false; |
| |
| const EGLint config_attribs[] = { |
| EGL_RED_SIZE, visual_config_.red, |
| EGL_GREEN_SIZE, visual_config_.green, |
| EGL_BLUE_SIZE, visual_config_.blue, |
| EGL_ALPHA_SIZE, visual_config_.alpha, |
| EGL_DEPTH_SIZE, visual_config_.depth, |
| #if USE_GLESv2 |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| #elif USE_GL |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, |
| #endif |
| EGL_NONE |
| }; |
| |
| // Find out how many configs match the attributes. |
| EGLint num_configs(0); |
| if (!eglChooseConfig(egl_display_, config_attribs, 0, 0, &num_configs)) { |
| Log::error("eglChooseConfig() (count query) failed with error: %d\n", |
| eglGetError()); |
| return false; |
| } |
| |
| if (num_configs == 0) { |
| Log::error("eglChooseConfig() didn't return any configs\n"); |
| return false; |
| } |
| |
| // Get all the matching configs |
| vector<EGLConfig> configs(num_configs); |
| if (!eglChooseConfig(egl_display_, config_attribs, &configs.front(), |
| num_configs, &num_configs)) |
| { |
| Log::error("eglChooseConfig() failed with error: %d\n", |
| eglGetError()); |
| return false; |
| } |
| |
| // Select the best matching config |
| egl_config_ = select_best_config(configs); |
| |
| vector<EglConfig> configVec; |
| for (vector<EGLConfig>::const_iterator configIt = configs.begin(); |
| configIt != configs.end(); |
| configIt++) |
| { |
| EglConfig cfg(egl_display_, *configIt); |
| configVec.push_back(cfg); |
| if (*configIt == egl_config_) { |
| best_config_ = cfg; |
| } |
| } |
| |
| // Print out the config information, and let the user know the decision |
| // about the "best" one with respect to the options. |
| unsigned int lineNumber(0); |
| Log::debug("Got %u suitable EGLConfigs:\n", num_configs); |
| for (vector<EglConfig>::const_iterator configIt = configVec.begin(); |
| configIt != configVec.end(); |
| configIt++, lineNumber++) |
| { |
| if (!(lineNumber % 32)) |
| { |
| configIt->print_header(); |
| } |
| configIt->print(); |
| } |
| Log::debug("\n"); |
| Log::debug("Best EGLConfig ID: 0x%x\n", best_config_.configID()); |
| |
| return true; |
| } |
| |
| bool |
| EGLState::gotValidSurface() |
| { |
| if (egl_surface_) |
| return true; |
| |
| if (!gotValidDisplay()) |
| return false; |
| |
| if (!gotValidConfig()) |
| return false; |
| |
| egl_surface_ = eglCreateWindowSurface(egl_display_, egl_config_, native_window_, 0); |
| if (!egl_surface_) { |
| Log::error("eglCreateWindowSurface failed with error: 0x%x\n", eglGetError()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool |
| EGLState::gotValidContext() |
| { |
| if (egl_context_) |
| return true; |
| |
| if (!gotValidDisplay()) |
| return false; |
| |
| if (!gotValidConfig()) |
| return false; |
| |
| static const EGLint context_attribs[] = { |
| #ifdef USE_GLESv2 |
| EGL_CONTEXT_CLIENT_VERSION, 2, |
| #endif |
| EGL_NONE |
| }; |
| |
| egl_context_ = eglCreateContext(egl_display_, egl_config_, |
| EGL_NO_CONTEXT, context_attribs); |
| if (!egl_context_) { |
| Log::error("eglCreateContext() failed with error: 0x%x\n", |
| eglGetError()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool |
| EGLState::valid() |
| { |
| if (!gotValidDisplay()) |
| return false; |
| |
| if (!gotValidConfig()) |
| return false; |
| |
| if (!gotValidSurface()) |
| return false; |
| |
| if (!gotValidContext()) |
| return false; |
| |
| if (egl_context_ == eglGetCurrentContext()) |
| return true; |
| |
| if (!eglMakeCurrent(egl_display_, egl_surface_, egl_surface_, egl_context_)) { |
| Log::error("eglMakeCurrent failed with error: 0x%x\n", eglGetError()); |
| return false; |
| } |
| |
| if (!eglSwapInterval(egl_display_, 0)) { |
| Log::info("** Failed to set swap interval. Results may be bounded above by refresh rate.\n"); |
| } |
| |
| return true; |
| } |
| |
| bool |
| EGLState::gotNativeConfig(int& vid) |
| { |
| if (!gotValidConfig()) |
| return false; |
| |
| EGLint native_id; |
| if (!eglGetConfigAttrib(egl_display_, egl_config_, EGL_NATIVE_VISUAL_ID, |
| &native_id)) |
| { |
| Log::debug("Failed to get native visual id for EGLConfig 0x%x\n", egl_config_); |
| return false; |
| } |
| |
| vid = native_id; |
| return true; |
| } |
| |
| bool |
| EGLState::reset() |
| { |
| if (!gotValidDisplay()) { |
| return false; |
| } |
| |
| if (!egl_context_) { |
| return true; |
| } |
| |
| if (EGL_FALSE == eglDestroyContext(egl_display_, egl_context_)) { |
| Log::debug("eglDestroyContext failed with error: 0x%x\n", eglGetError()); |
| } |
| |
| egl_context_ = 0; |
| |
| return true; |
| } |
