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Diffstat (limited to 'opengl/system/egl/eglDisplay.cpp')
| -rw-r--r-- | opengl/system/egl/eglDisplay.cpp | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/opengl/system/egl/eglDisplay.cpp b/opengl/system/egl/eglDisplay.cpp deleted file mode 100644 index 9340482a..00000000 --- a/opengl/system/egl/eglDisplay.cpp +++ /dev/null @@ -1,485 +0,0 @@ -/* -* 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 <dlfcn.h> - -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<EGLint, EGLint>(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; i<m_numConfigAttribs; i++) { - m_attribs.add(tmp_buf[i], i); - } - - //Copy the actual configs data to m_configs - memcpy(m_configs, tmp_buf + m_numConfigAttribs, m_numConfigs*m_numConfigAttribs*sizeof(EGLint)); - - m_initialized = true; - } - pthread_mutex_unlock(&m_lock); - - processConfigs(); - - return true; -} - -void eglDisplay::processConfigs() -{ - for (intptr_t i=0; i<m_numConfigs; i++) { - EGLConfig config = (EGLConfig)i; - //Setup the EGL_NATIVE_VISUAL_ID attribute - PixelFormat format; - if (getConfigNativePixelFormat(config, &format)) { - setConfigAttrib(config, EGL_NATIVE_VISUAL_ID, format); - } - } -} - -void eglDisplay::terminate() -{ - pthread_mutex_lock(&m_lock); - if (m_initialized) { - m_initialized = false; - delete [] m_configs; - m_configs = NULL; - - if (m_versionString) { - free(m_versionString); - m_versionString = NULL; - } - if (m_vendorString) { - free(m_vendorString); - m_vendorString = NULL; - } - if (m_extensionString) { - free(m_extensionString); - m_extensionString = NULL; - } - } - pthread_mutex_unlock(&m_lock); -} - -EGLClient_glesInterface *eglDisplay::loadGLESClientAPI(const char *libName, - EGLClient_eglInterface *eglIface, - void **libHandle) -{ - void *lib = dlopen(libName, RTLD_NOW); - if (!lib) { - ALOGE("Failed to dlopen %s", libName); - return NULL; - } - - init_emul_gles_t init_gles_func = (init_emul_gles_t)dlsym(lib,"init_emul_gles"); - if (!init_gles_func) { - ALOGE("Failed to find init_emul_gles"); - dlclose((void*)lib); - return NULL; - } - - *libHandle = lib; - return (*init_gles_func)(eglIface); -} - -static char *queryHostEGLString(EGLint name) -{ - HostConnection *hcon = HostConnection::get(); - if (hcon) { - renderControl_encoder_context_t *rcEnc = hcon->rcEncoder(); - 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 <a> of config <c> 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<m_numConfigAttribs; i++) { - getAttribValue(config, i, &value); - DBG("{%d}[%d] %d\n", (int)config, i, value); - } -} - -/* To set the value of attribute <a> of config <c> 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; -} |