X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fandroid%2Fopengl%2Fsystem%2Fegl%2FeglDisplay.cpp;fp=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fandroid%2Fopengl%2Fsystem%2Fegl%2FeglDisplay.cpp;h=9340482a59b4a984d5472e48280a9eafd1c146d5;hb=e26c1ec581be598521517829adba8c8dd23a768f;hp=0000000000000000000000000000000000000000;hpb=6699c1aea74eeb0eb400e6299079f0c7576f716f;p=iec.git diff --git a/src/type3_AndroidCloud/anbox-master/android/opengl/system/egl/eglDisplay.cpp b/src/type3_AndroidCloud/anbox-master/android/opengl/system/egl/eglDisplay.cpp new file mode 100644 index 0000000..9340482 --- /dev/null +++ b/src/type3_AndroidCloud/anbox-master/android/opengl/system/egl/eglDisplay.cpp @@ -0,0 +1,485 @@ +/* +* Copyright (C) 2011 The Android Open Source Project +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ +#include "eglDisplay.h" +#include "HostConnection.h" +#include + +static const int systemEGLVersionMajor = 1; +static const int systemEGLVersionMinor = 4; +static const char systemEGLVendor[] = "Google Android emulator"; + +// list of extensions supported by this EGL implementation +// NOTE that each extension name should be suffixed with space +static const char systemStaticEGLExtensions[] = + "EGL_ANDROID_image_native_buffer " + "EGL_KHR_fence_sync " + "EGL_KHR_image_base " + "EGL_KHR_gl_texture_2d_image "; + +static void *s_gles_lib = NULL; +static void *s_gles2_lib = NULL; + +// The following function will be called when we (libEGL) +// gets unloaded +// At this point we want to unload the gles libraries we +// might have loaded during initialization +static void __attribute__ ((destructor)) do_on_unload(void) +{ + if (s_gles_lib) { + dlclose(s_gles_lib); + } + + if (s_gles2_lib) { + dlclose(s_gles2_lib); + } +} + +eglDisplay::eglDisplay() : + m_initialized(false), + m_major(0), + m_minor(0), + m_hostRendererVersion(0), + m_numConfigs(0), + m_numConfigAttribs(0), + m_attribs(DefaultKeyedVector(ATTRIBUTE_NONE)), + m_configs(NULL), + m_gles_iface(NULL), + m_gles2_iface(NULL), + m_versionString(NULL), + m_vendorString(NULL), + m_extensionString(NULL) +{ + pthread_mutex_init(&m_lock, NULL); +} + +eglDisplay::~eglDisplay() +{ + pthread_mutex_destroy(&m_lock); +} + +bool eglDisplay::initialize(EGLClient_eglInterface *eglIface) +{ + pthread_mutex_lock(&m_lock); + if (!m_initialized) { + + // + // load GLES client API + // +#if __LP64__ + m_gles_iface = loadGLESClientAPI("/system/lib64/egl/libGLESv1_CM_emulation.so", + eglIface, + &s_gles_lib); +#else + m_gles_iface = loadGLESClientAPI("/system/lib/egl/libGLESv1_CM_emulation.so", + eglIface, + &s_gles_lib); +#endif + if (!m_gles_iface) { + pthread_mutex_unlock(&m_lock); + ALOGE("Failed to load gles1 iface"); + return false; + } + +#ifdef WITH_GLES2 +#if __LP64__ + m_gles2_iface = loadGLESClientAPI("/system/lib64/egl/libGLESv2_emulation.so", + eglIface, + &s_gles2_lib); +#else + m_gles2_iface = loadGLESClientAPI("/system/lib/egl/libGLESv2_emulation.so", + eglIface, + &s_gles2_lib); +#endif + // Note that if loading gles2 failed, we can still run with no + // GLES2 support, having GLES2 is not mandatory. +#endif + + // + // establish connection with the host + // + HostConnection *hcon = HostConnection::get(); + if (!hcon) { + pthread_mutex_unlock(&m_lock); + ALOGE("Failed to establish connection with the host\n"); + return false; + } + + // + // get renderControl encoder instance + // + renderControl_encoder_context_t *rcEnc = hcon->rcEncoder(); + if (!rcEnc) { + pthread_mutex_unlock(&m_lock); + ALOGE("Failed to get renderControl encoder instance"); + return false; + } + + // + // Query host reneder and EGL version + // + m_hostRendererVersion = rcEnc->rcGetRendererVersion(rcEnc); + EGLint status = rcEnc->rcGetEGLVersion(rcEnc, &m_major, &m_minor); + if (status != EGL_TRUE) { + // host EGL initialization failed !! + pthread_mutex_unlock(&m_lock); + return false; + } + + // + // Take minimum version beween what we support and what the host support + // + if (m_major > systemEGLVersionMajor) { + m_major = systemEGLVersionMajor; + m_minor = systemEGLVersionMinor; + } + else if (m_major == systemEGLVersionMajor && + m_minor > systemEGLVersionMinor) { + m_minor = systemEGLVersionMinor; + } + + // + // Query the host for the set of configs + // + m_numConfigs = rcEnc->rcGetNumConfigs(rcEnc, (uint32_t*)&m_numConfigAttribs); + if (m_numConfigs <= 0 || m_numConfigAttribs <= 0) { + // just sanity check - should never happen + pthread_mutex_unlock(&m_lock); + return false; + } + + uint32_t nInts = m_numConfigAttribs * (m_numConfigs + 1); + EGLint tmp_buf[nInts]; + m_configs = new EGLint[nInts-m_numConfigAttribs]; + if (!m_configs) { + pthread_mutex_unlock(&m_lock); + return false; + } + + //EGLint n = rcEnc->rcGetConfigs(rcEnc, nInts*sizeof(EGLint), m_configs); + EGLint n = rcEnc->rcGetConfigs(rcEnc, nInts*sizeof(EGLint), (GLuint*)tmp_buf); + if (n != m_numConfigs) { + pthread_mutex_unlock(&m_lock); + return false; + } + + //Fill the attributes vector. + //The first m_numConfigAttribs values of tmp_buf are the actual attributes enums. + for (int i=0; ircEncoder(); + if (rcEnc) { + int n = rcEnc->rcQueryEGLString(rcEnc, name, NULL, 0); + if (n < 0) { + // allocate space for the string with additional + // space charachter to be suffixed at the end. + char *str = (char *)malloc(-n+2); + n = rcEnc->rcQueryEGLString(rcEnc, name, str, -n); + if (n > 0) { + // add extra space at end of string which will be + // needed later when filtering the extension list. + strcat(str, " "); + return str; + } + + free(str); + } + } + } + + return NULL; +} + +static bool findExtInList(const char* token, int tokenlen, const char* list) +{ + const char* p = list; + while (*p != '\0') { + const char* q = strchr(p, ' '); + if (q == NULL) { + /* should not happen, list must be space-terminated */ + break; + } + if (tokenlen == (q - p) && !memcmp(token, p, tokenlen)) { + return true; /* found it */ + } + p = q+1; + } + return false; /* not found */ +} + +static char *buildExtensionString() +{ + //Query host extension string + char *hostExt = queryHostEGLString(EGL_EXTENSIONS); + if (!hostExt || (hostExt[1] == '\0')) { + // no extensions on host - only static extension list supported + return strdup(systemStaticEGLExtensions); + } + + int n = strlen(hostExt); + if (n > 0) { + char *str; + asprintf(&str,"%s%s", systemStaticEGLExtensions, hostExt); + free((char*)hostExt); + return str; + } + else { + free((char*)hostExt); + return strdup(systemStaticEGLExtensions); + } +} + +const char *eglDisplay::queryString(EGLint name) +{ + if (name == EGL_CLIENT_APIS) { + return "OpenGL_ES"; + } + else if (name == EGL_VERSION) { + pthread_mutex_lock(&m_lock); + if (m_versionString) { + pthread_mutex_unlock(&m_lock); + return m_versionString; + } + + // build version string + asprintf(&m_versionString, "%d.%d", m_major, m_minor); + pthread_mutex_unlock(&m_lock); + + return m_versionString; + } + else if (name == EGL_VENDOR) { + pthread_mutex_lock(&m_lock); + if (m_vendorString) { + pthread_mutex_unlock(&m_lock); + return m_vendorString; + } + + // build vendor string + const char *hostVendor = queryHostEGLString(EGL_VENDOR); + + if (hostVendor) { + asprintf(&m_vendorString, "%s Host: %s", + systemEGLVendor, hostVendor); + free((char*)hostVendor); + } + else { + m_vendorString = (char *)systemEGLVendor; + } + pthread_mutex_unlock(&m_lock); + + return m_vendorString; + } + else if (name == EGL_EXTENSIONS) { + pthread_mutex_lock(&m_lock); + if (m_extensionString) { + pthread_mutex_unlock(&m_lock); + return m_extensionString; + } + + // build extension string + m_extensionString = buildExtensionString(); + pthread_mutex_unlock(&m_lock); + + return m_extensionString; + } + else { + ALOGE("[%s] Unknown name %d\n", __FUNCTION__, name); + return NULL; + } +} + +/* To get the value of attribute of config use the following formula: + * value = *(m_configs + (int)c*m_numConfigAttribs + a); + */ +EGLBoolean eglDisplay::getAttribValue(EGLConfig config, EGLint attribIdx, EGLint * value) +{ + if (attribIdx == ATTRIBUTE_NONE) + { + ALOGE("[%s] Bad attribute idx\n", __FUNCTION__); + return EGL_FALSE; + } + *value = *(m_configs + (intptr_t)config*m_numConfigAttribs + attribIdx); + return EGL_TRUE; +} + +EGLBoolean eglDisplay::getConfigAttrib(EGLConfig config, EGLint attrib, EGLint * value) +{ + //Though it seems that valueFor() is thread-safe, we don't take chanses + pthread_mutex_lock(&m_lock); + EGLBoolean ret = getAttribValue(config, m_attribs.valueFor(attrib), value); + pthread_mutex_unlock(&m_lock); + return ret; +} + +void eglDisplay::dumpConfig(EGLConfig config) +{ + EGLint value = 0; + DBG("^^^^^^^^^^ dumpConfig %d ^^^^^^^^^^^^^^^^^^", (int)config); + for (int i=0; i of config use the following formula: + * *(m_configs + (int)c*m_numConfigAttribs + a) = value; + */ +EGLBoolean eglDisplay::setAttribValue(EGLConfig config, EGLint attribIdx, EGLint value) +{ + if (attribIdx == ATTRIBUTE_NONE) + { + ALOGE("[%s] Bad attribute idx\n", __FUNCTION__); + return EGL_FALSE; + } + *(m_configs + (intptr_t)config*m_numConfigAttribs + attribIdx) = value; + return EGL_TRUE; +} + +EGLBoolean eglDisplay::setConfigAttrib(EGLConfig config, EGLint attrib, EGLint value) +{ + //Though it seems that valueFor() is thread-safe, we don't take chanses + pthread_mutex_lock(&m_lock); + EGLBoolean ret = setAttribValue(config, m_attribs.valueFor(attrib), value); + pthread_mutex_unlock(&m_lock); + return ret; +} + + +EGLBoolean eglDisplay::getConfigNativePixelFormat(EGLConfig config, PixelFormat * format) +{ + EGLint redSize, blueSize, greenSize, alphaSize; + + if ( !(getAttribValue(config, m_attribs.valueFor(EGL_RED_SIZE), &redSize) && + getAttribValue(config, m_attribs.valueFor(EGL_BLUE_SIZE), &blueSize) && + getAttribValue(config, m_attribs.valueFor(EGL_GREEN_SIZE), &greenSize) && + getAttribValue(config, m_attribs.valueFor(EGL_ALPHA_SIZE), &alphaSize)) ) + { + ALOGE("Couldn't find value for one of the pixel format attributes"); + return EGL_FALSE; + } + + //calculate the GL internal format + if ((redSize==8)&&(greenSize==8)&&(blueSize==8)&&(alphaSize==8)) *format = PIXEL_FORMAT_RGBA_8888; //XXX: BGR? + else if ((redSize==8)&&(greenSize==8)&&(blueSize==8)&&(alphaSize==0)) *format = PIXEL_FORMAT_RGBX_8888; //XXX or PIXEL_FORMAT_RGB_888 + else if ((redSize==5)&&(greenSize==6)&&(blueSize==5)&&(alphaSize==0)) *format = PIXEL_FORMAT_RGB_565; + else if ((redSize==5)&&(greenSize==5)&&(blueSize==5)&&(alphaSize==1)) *format = PIXEL_FORMAT_RGBA_5551; + else if ((redSize==4)&&(greenSize==4)&&(blueSize==4)&&(alphaSize==4)) *format = PIXEL_FORMAT_RGBA_4444; + else { + return EGL_FALSE; + } + return EGL_TRUE; +} +EGLBoolean eglDisplay::getConfigGLPixelFormat(EGLConfig config, GLenum * format) +{ + EGLint redSize, blueSize, greenSize, alphaSize; + + if ( !(getAttribValue(config, m_attribs.valueFor(EGL_RED_SIZE), &redSize) && + getAttribValue(config, m_attribs.valueFor(EGL_BLUE_SIZE), &blueSize) && + getAttribValue(config, m_attribs.valueFor(EGL_GREEN_SIZE), &greenSize) && + getAttribValue(config, m_attribs.valueFor(EGL_ALPHA_SIZE), &alphaSize)) ) + { + ALOGE("Couldn't find value for one of the pixel format attributes"); + return EGL_FALSE; + } + + //calculate the GL internal format + if ((redSize == greenSize) && (redSize == blueSize) && + ((redSize == 8) || (redSize == 16) || (redSize == 32))) + { + if (alphaSize == 0) *format = GL_RGB; + else *format = GL_RGBA; + } + else if ((redSize==5)&&(greenSize==6)&&(blueSize==5)&&(alphaSize==0)) *format = GL_RGB565_OES; + else if ((redSize==5)&&(greenSize==5)&&(blueSize==5)&&(alphaSize==1)) *format = GL_RGB5_A1_OES; + else if ((redSize==4)&&(greenSize==4)&&(blueSize==4)&&(alphaSize==4)) *format = GL_RGBA4_OES; + else return EGL_FALSE; + + return EGL_TRUE; +}