M7350v1_en_gpl

base/opengl/libs/EGL/Loader.cpp

@@ -0,0 +1,289 @@
+/* 
+ ** Copyright 2007, 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 <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <dlfcn.h>
+#include <limits.h>
+
+#include <cutils/log.h>
+
+#include <EGL/egl.h>
+
+#include "hooks.h"
+#include "egl_impl.h"
+
+#include "Loader.h"
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+
+/*
+ * EGL drivers are called
+ * 
+ * /system/lib/egl/lib{[EGL|GLESv1_CM|GLESv2] | GLES}_$TAG.so 
+ * 
+ */
+
+ANDROID_SINGLETON_STATIC_INSTANCE( Loader )
+
+// ----------------------------------------------------------------------------
+
+Loader::driver_t::driver_t(void* gles) 
+{
+    dso[0] = gles;
+    for (size_t i=1 ; i<NELEM(dso) ; i++)
+        dso[i] = 0;
+}
+
+Loader::driver_t::~driver_t() 
+{
+    for (size_t i=0 ; i<NELEM(dso) ; i++) {
+        if (dso[i]) {
+            dlclose(dso[i]);
+            dso[i] = 0;
+        }
+    }
+}
+
+status_t Loader::driver_t::set(void* hnd, int32_t api)
+{
+    switch (api) {
+        case EGL:
+            dso[0] = hnd;
+            break;
+        case GLESv1_CM:
+            dso[1] = hnd;
+            break;
+        case GLESv2:
+            dso[2] = hnd;
+            break;
+        default:
+            return BAD_INDEX;
+    }
+    return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
+Loader::entry_t::entry_t(int dpy, int impl, const char* tag)
+    : dpy(dpy), impl(impl), tag(tag) {
+}
+
+// ----------------------------------------------------------------------------
+
+Loader::Loader()
+{
+    char line[256];
+    char tag[256];
+    FILE* cfg = fopen("/system/lib/egl/egl.cfg", "r");
+    if (cfg == NULL) {
+        // default config
+        LOGD("egl.cfg not found, using default config");
+        gConfig.add( entry_t(0, 0, "android") );
+    } else {
+        while (fgets(line, 256, cfg)) {
+            int dpy;
+            int impl;
+            if (sscanf(line, "%u %u %s", &dpy, &impl, tag) == 3) {
+                //LOGD(">>> %u %u %s", dpy, impl, tag);
+                gConfig.add( entry_t(dpy, impl, tag) );
+            }
+        }
+        fclose(cfg);
+    }
+}
+
+Loader::~Loader()
+{
+}
+
+const char* Loader::getTag(int dpy, int impl)
+{
+    const Vector<entry_t>& cfgs(gConfig);    
+    const size_t c = cfgs.size();
+    for (size_t i=0 ; i<c ; i++) {
+        if (dpy == cfgs[i].dpy)
+            if (impl == cfgs[i].impl)
+                return cfgs[i].tag.string();
+    }
+    return 0;
+}
+
+void* Loader::open(EGLNativeDisplayType display, int impl, egl_connection_t* cnx)
+{
+    /*
+     * TODO: if we don't find display/0, then use 0/0
+     * (0/0 should always work)
+     */
+    
+    void* dso;
+    int index = int(display);
+    driver_t* hnd = 0;
+    
+    char const* tag = getTag(index, impl);
+    if (tag) {
+        dso = load_driver("GLES", tag, cnx, EGL | GLESv1_CM | GLESv2);
+        if (dso) {
+            hnd = new driver_t(dso);
+        } else {
+            // Always load EGL first
+            dso = load_driver("EGL", tag, cnx, EGL);
+            if (dso) {
+                hnd = new driver_t(dso);
+
+                // TODO: make this more automated
+                hnd->set( load_driver("GLESv1_CM", tag, cnx, GLESv1_CM), GLESv1_CM );
+
+                hnd->set( load_driver("GLESv2", tag, cnx, GLESv2), GLESv2 );
+            }
+        }
+    }
+
+    LOG_FATAL_IF(!index && !impl && !hnd, 
+            "couldn't find the default OpenGL ES implementation "
+            "for default display");
+    
+    return (void*)hnd;
+}
+
+status_t Loader::close(void* driver)
+{
+    driver_t* hnd = (driver_t*)driver;
+    delete hnd;
+    return NO_ERROR;
+}
+
+void Loader::init_api(void* dso, 
+        char const * const * api, 
+        __eglMustCastToProperFunctionPointerType* curr, 
+        getProcAddressType getProcAddress) 
+{
+    char scrap[256];
+    while (*api) {
+        char const * name = *api;
+        __eglMustCastToProperFunctionPointerType f = 
+            (__eglMustCastToProperFunctionPointerType)dlsym(dso, name);
+        if (f == NULL) {
+            // couldn't find the entry-point, use eglGetProcAddress()
+            f = getProcAddress(name);
+        }
+        if (f == NULL) {
+            // Try without the OES postfix
+            ssize_t index = ssize_t(strlen(name)) - 3;
+            if ((index>0 && (index<255)) && (!strcmp(name+index, "OES"))) {
+                strncpy(scrap, name, index);
+                scrap[index] = 0;
+                f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap);
+                //LOGD_IF(f, "found <%s> instead", scrap);
+            }
+        }
+        if (f == NULL) {
+            // Try with the OES postfix
+            ssize_t index = ssize_t(strlen(name)) - 3;
+            if ((index>0 && (index<252)) && (strcmp(name+index, "OES"))) {
+                strncpy(scrap, name, index);
+                scrap[index] = 0;
+                strcat(scrap, "OES");
+                f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap);
+                //LOGD_IF(f, "found <%s> instead", scrap);
+            }
+        }
+        if (f == NULL) {
+            //LOGD("%s", name);
+            f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented;
+        }
+        *curr++ = f;
+        api++;
+    }
+}
+
+void *Loader::load_driver(const char* kind, const char *tag,
+        egl_connection_t* cnx, uint32_t mask)
+{
+    char driver_absolute_path[PATH_MAX];
+    const char* const search1 = "/vendor/lib/egl/lib%s_%s.so";
+    const char* const search2 = "/system/lib/egl/lib%s_%s.so";
+
+    snprintf(driver_absolute_path, PATH_MAX, search1, kind, tag);
+    if (access(driver_absolute_path, R_OK)) {
+        snprintf(driver_absolute_path, PATH_MAX, search2, kind, tag);
+        if (access(driver_absolute_path, R_OK)) {
+            // this happens often, we don't want to log an error
+            return 0;
+        }
+    }
+
+    void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL);
+    if (dso == 0) {
+        const char* err = dlerror();
+        LOGE("load_driver(%s): %s", driver_absolute_path, err?err:"unknown");
+        return 0;
+    }
+
+    LOGD("loaded %s", driver_absolute_path);
+
+    if (mask & EGL) {
+        getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress");
+
+        LOGE_IF(!getProcAddress, 
+                "can't find eglGetProcAddress() in %s", driver_absolute_path);
+
+        egl_t* egl = &cnx->egl;
+        __eglMustCastToProperFunctionPointerType* curr =
+            (__eglMustCastToProperFunctionPointerType*)egl;
+        char const * const * api = egl_names;
+        while (*api) {
+            char const * name = *api;
+            __eglMustCastToProperFunctionPointerType f = 
+                (__eglMustCastToProperFunctionPointerType)dlsym(dso, name);
+            if (f == NULL) {
+                // couldn't find the entry-point, use eglGetProcAddress()
+                f = getProcAddress(name);
+                if (f == NULL) {
+                    f = (__eglMustCastToProperFunctionPointerType)0;
+                }
+            }
+            *curr++ = f;
+            api++;
+        }
+    }
+    
+    if (mask & GLESv1_CM) {
+        init_api(dso, gl_names,
+            (__eglMustCastToProperFunctionPointerType*)
+                &cnx->hooks[GLESv1_INDEX]->gl,
+            getProcAddress);
+    }
+
+    if (mask & GLESv2) {
+      init_api(dso, gl_names,
+            (__eglMustCastToProperFunctionPointerType*)
+                &cnx->hooks[GLESv2_INDEX]->gl,
+            getProcAddress);
+    }
+    
+    return dso;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------

base/opengl/libs/EGL/Loader.h

@@ -0,0 +1,90 @@
+/* 
+ ** Copyright 2009, 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.
+ */
+
+#ifndef ANDROID_EGL_LOADER_H
+#define ANDROID_EGL_LOADER_H
+
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+
+#include <utils/Errors.h>
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#include <EGL/egl.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+struct egl_connection_t;
+
+class Loader : public Singleton<Loader>
+{
+    friend class Singleton<Loader>;
+
+    typedef __eglMustCastToProperFunctionPointerType (*getProcAddressType)(
+            const char*);
+   
+    enum {
+        EGL         = 0x01,
+        GLESv1_CM   = 0x02,
+        GLESv2      = 0x04
+    };
+    struct driver_t {
+        driver_t(void* gles);
+        ~driver_t();
+        status_t set(void* hnd, int32_t api);
+        void* dso[3];
+    };
+    
+    struct entry_t {
+        entry_t() { }
+        entry_t(int dpy, int impl, const char* tag);
+        int dpy;
+        int impl;
+        String8 tag;
+    };
+
+    Vector<entry_t> gConfig;    
+    getProcAddressType getProcAddress;
+    
+    const char* getTag(int dpy, int impl);
+
+public:
+    ~Loader();
+    
+    void* open(EGLNativeDisplayType display, int impl, egl_connection_t* cnx);
+    status_t close(void* driver);
+    
+private:
+    Loader();
+    void *load_driver(const char* kind, const char *tag, egl_connection_t* cnx, uint32_t mask);
+
+    static __attribute__((noinline))
+    void init_api(void* dso, 
+            char const * const * api, 
+            __eglMustCastToProperFunctionPointerType* curr, 
+            getProcAddressType getProcAddress); 
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
+
+#endif /* ANDROID_EGL_LOADER_H */

base/opengl/libs/EGL/egl_entries.in

@@ -0,0 +1,57 @@
+EGL_ENTRY(EGLDisplay, eglGetDisplay, NativeDisplayType)
+EGL_ENTRY(EGLBoolean, eglInitialize, EGLDisplay, EGLint*, EGLint*)
+EGL_ENTRY(EGLBoolean, eglTerminate, EGLDisplay)
+EGL_ENTRY(EGLBoolean, eglGetConfigs, EGLDisplay, EGLConfig*, EGLint, EGLint*)
+EGL_ENTRY(EGLBoolean, eglChooseConfig, EGLDisplay, const EGLint *, EGLConfig *, EGLint, EGLint *)
+
+EGL_ENTRY(EGLBoolean, eglGetConfigAttrib, EGLDisplay, EGLConfig, EGLint, EGLint *)
+EGL_ENTRY(EGLSurface, eglCreateWindowSurface, EGLDisplay, EGLConfig, NativeWindowType, const EGLint *)
+EGL_ENTRY(EGLSurface, eglCreatePixmapSurface, EGLDisplay, EGLConfig, NativePixmapType, const EGLint *)
+EGL_ENTRY(EGLSurface, eglCreatePbufferSurface,  EGLDisplay, EGLConfig, const EGLint *)
+EGL_ENTRY(EGLBoolean, eglDestroySurface, EGLDisplay, EGLSurface)
+EGL_ENTRY(EGLBoolean, eglQuerySurface,  EGLDisplay, EGLSurface, EGLint, EGLint *)
+EGL_ENTRY(EGLContext, eglCreateContext, EGLDisplay, EGLConfig, EGLContext, const EGLint *)
+EGL_ENTRY(EGLBoolean, eglDestroyContext, EGLDisplay, EGLContext)
+EGL_ENTRY(EGLBoolean, eglMakeCurrent, EGLDisplay, EGLSurface, EGLSurface, EGLContext)
+EGL_ENTRY(EGLContext, eglGetCurrentContext, void)
+EGL_ENTRY(EGLSurface, eglGetCurrentSurface, EGLint)
+EGL_ENTRY(EGLDisplay, eglGetCurrentDisplay, void)
+EGL_ENTRY(EGLBoolean, eglQueryContext,  EGLDisplay, EGLContext, EGLint, EGLint *)
+EGL_ENTRY(EGLBoolean, eglWaitGL, void)
+EGL_ENTRY(EGLBoolean, eglWaitNative, EGLint)
+EGL_ENTRY(EGLBoolean, eglSwapBuffers, EGLDisplay, EGLSurface)
+EGL_ENTRY(EGLBoolean, eglCopyBuffers, EGLDisplay, EGLSurface, NativePixmapType)
+EGL_ENTRY(EGLint, eglGetError, void)
+EGL_ENTRY(const char*, eglQueryString, EGLDisplay, EGLint)
+EGL_ENTRY(__eglMustCastToProperFunctionPointerType, eglGetProcAddress, const char *)
+
+/* EGL 1.1 */
+
+EGL_ENTRY(EGLBoolean, eglSurfaceAttrib, EGLDisplay, EGLSurface, EGLint, EGLint)
+EGL_ENTRY(EGLBoolean, eglBindTexImage, EGLDisplay, EGLSurface, EGLint)
+EGL_ENTRY(EGLBoolean, eglReleaseTexImage, EGLDisplay, EGLSurface, EGLint)
+EGL_ENTRY(EGLBoolean, eglSwapInterval, EGLDisplay, EGLint)
+
+/* EGL 1.2 */
+
+EGL_ENTRY(EGLBoolean, eglBindAPI, EGLenum)
+EGL_ENTRY(EGLenum, eglQueryAPI, void)
+EGL_ENTRY(EGLBoolean, eglWaitClient, void)
+EGL_ENTRY(EGLBoolean, eglReleaseThread, void)
+EGL_ENTRY(EGLSurface, eglCreatePbufferFromClientBuffer, EGLDisplay, EGLenum, EGLClientBuffer, EGLConfig, const EGLint *)
+
+/* EGL 1.3 */
+
+/* EGL 1.4 */
+
+/* EGL_EGLEXT_VERSION 3 */
+
+EGL_ENTRY(EGLBoolean,  eglLockSurfaceKHR,   EGLDisplay, EGLSurface, const EGLint *)
+EGL_ENTRY(EGLBoolean,  eglUnlockSurfaceKHR, EGLDisplay, EGLSurface)
+EGL_ENTRY(EGLImageKHR, eglCreateImageKHR,   EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLint *)
+EGL_ENTRY(EGLBoolean,  eglDestroyImageKHR,  EGLDisplay, EGLImageKHR)
+
+/* ANDROID extensions */
+
+EGL_ENTRY(EGLBoolean, eglSetSwapRectangleANDROID, EGLDisplay, EGLSurface, EGLint, EGLint, EGLint, EGLint)
+EGL_ENTRY(EGLClientBuffer, eglGetRenderBufferANDROID, EGLDisplay, EGLSurface)

base/opengl/libs/EGL/getProcAddress.cpp

@@ -0,0 +1,122 @@
+/*
+ ** Copyright 2009, 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 <ctype.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <cutils/log.h>
+
+#include "hooks.h"
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+#undef API_ENTRY
+#undef CALL_GL_EXTENSION_API
+#undef GL_EXTENSION
+#undef GL_EXTENSION_NAME
+#undef GL_EXTENSION_ARRAY
+#undef GL_EXTENSION_LIST
+#undef GET_TLS
+
+#if defined(__arm__)
+
+    #ifdef HAVE_ARM_TLS_REGISTER
+        #define GET_TLS(reg) \
+            "mrc p15, 0, " #reg ", c13, c0, 3 \n"
+    #else
+        #define GET_TLS(reg) \
+            "mov   " #reg ", #0xFFFF0FFF      \n"  \
+            "ldr   " #reg ", [" #reg ", #-15] \n"
+    #endif
+
+    #define API_ENTRY(_api) __attribute__((naked)) _api
+
+    #define CALL_GL_EXTENSION_API(_api)                         \
+         asm volatile(                                          \
+            GET_TLS(r12)                                        \
+            "ldr   r12, [r12, %[tls]] \n"                       \
+            "cmp   r12, #0            \n"                       \
+            "ldrne r12, [r12, %[api]] \n"                       \
+            "cmpne r12, #0            \n"                       \
+            "bxne  r12                \n"                       \
+            "bx    lr                 \n"                       \
+            :                                                   \
+            : [tls] "J"(TLS_SLOT_OPENGL_API*4),                 \
+              [api] "J"(__builtin_offsetof(gl_hooks_t,          \
+                                      ext.extensions[_api]))    \
+            :                                                   \
+            );
+
+    #define GL_EXTENSION_NAME(_n)   __glExtFwd##_n
+
+    #define GL_EXTENSION(_n)                         \
+        void API_ENTRY(GL_EXTENSION_NAME(_n))() {    \
+            CALL_GL_EXTENSION_API(_n);               \
+        }
+
+
+#else
+
+    #define GL_EXTENSION_NAME(_n) NULL
+
+    #define GL_EXTENSION(_n)
+
+    #warning "eglGetProcAddress() partially supported on this architecture"
+
+#endif
+
+#define GL_EXTENSION_LIST(name) \
+        name(0)   name(1)   name(2)   name(3)   \
+        name(4)   name(5)   name(6)   name(7)   \
+        name(8)   name(9)   name(10)  name(11)  \
+        name(12)  name(13)  name(14)  name(15)  \
+        name(16)  name(17)  name(18)  name(19)  \
+        name(20)  name(21)  name(22)  name(23)  \
+        name(24)  name(25)  name(26)  name(27)  \
+        name(28)  name(29)  name(30)  name(31)  \
+        name(32)  name(33)  name(34)  name(35)  \
+        name(36)  name(37)  name(38)  name(39)  \
+        name(40)  name(41)  name(42)  name(43)  \
+        name(44)  name(45)  name(46)  name(47)  \
+        name(48)  name(49)  name(50)  name(51)  \
+        name(52)  name(53)  name(54)  name(55)  \
+        name(56)  name(57)  name(58)  name(59)  \
+        name(60)  name(61)  name(62)  name(63)
+
+
+GL_EXTENSION_LIST( GL_EXTENSION )
+
+#define GL_EXTENSION_ARRAY(_n)  GL_EXTENSION_NAME(_n),
+
+extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS] = {
+        GL_EXTENSION_LIST( GL_EXTENSION_ARRAY )
+ };
+
+#undef GET_TLS
+#undef GL_EXTENSION_LIST
+#undef GL_EXTENSION_ARRAY
+#undef GL_EXTENSION_NAME
+#undef GL_EXTENSION
+#undef API_ENTRY
+#undef CALL_GL_EXTENSION_API
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
+

base/opengl/libs/EGL/hooks.cpp

@@ -0,0 +1,60 @@
+/* 
+ ** Copyright 2009, 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 <ctype.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <cutils/log.h>
+
+#include "hooks.h"
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+void gl_unimplemented() {
+    LOGE("called unimplemented OpenGL ES API");
+}
+
+
+// ----------------------------------------------------------------------------
+// GL / EGL hooks
+// ----------------------------------------------------------------------------
+
+#undef GL_ENTRY
+#undef EGL_ENTRY
+#define GL_ENTRY(_r, _api, ...) #_api,
+#define EGL_ENTRY(_r, _api, ...) #_api,
+
+char const * const gl_names[] = {
+    #include "entries.in"
+    NULL
+};
+
+char const * const egl_names[] = {
+    #include "egl_entries.in"
+    NULL
+};
+
+#undef GL_ENTRY
+#undef EGL_ENTRY
+
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
+