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      1 #include "EGLClientIface.h"
      2 #include "HostConnection.h"
      3 #include "GLEncoder.h"
      4 #include "GLES/gl.h"
      5 #include "GLES/glext.h"
      6 #include "ErrorLog.h"
      7 #include <private/ui/android_natives_priv.h>
      8 #include "gralloc_cb.h"
      9 #include "ThreadInfo.h"
     10 
     11 
     12 //XXX: fix this macro to get the context from fast tls path
     13 #define GET_CONTEXT gl_client_context_t * ctx = getEGLThreadInfo()->hostConn->glEncoder();
     14 
     15 #include "gl_entry.cpp"
     16 
     17 //The functions table
     18 #include "gl_ftable.h"
     19 
     20 static EGLClient_eglInterface * s_egl = NULL;
     21 static EGLClient_glesInterface * s_gl = NULL;
     22 
     23 #define DEFINE_AND_VALIDATE_HOST_CONNECTION(ret) \
     24     HostConnection *hostCon = HostConnection::get(); \
     25     if (!hostCon) { \
     26         LOGE("egl: Failed to get host connection\n"); \
     27         return ret; \
     28     } \
     29     renderControl_encoder_context_t *rcEnc = hostCon->rcEncoder(); \
     30     if (!rcEnc) { \
     31         LOGE("egl: Failed to get renderControl encoder context\n"); \
     32         return ret; \
     33     }
     34 
     35 //GL extensions
     36 void glEGLImageTargetTexture2DOES(void * self, GLenum target, GLeglImageOES image)
     37 {
     38     DBG("glEGLImageTargetTexture2DOES v1 image=0x%x", image);
     39     //TODO: check error - we don't have a way to set gl error
     40     android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
     41 
     42     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
     43         return;
     44     }
     45 
     46     if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
     47         return;
     48     }
     49 
     50     DEFINE_AND_VALIDATE_HOST_CONNECTION();
     51     rcEnc->rcBindTexture(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
     52 
     53     return;
     54 }
     55 
     56 void glEGLImageTargetRenderbufferStorageOES(void *self, GLenum target, GLeglImageOES image)
     57 {
     58     DBG("glEGLImageTargetRenderbufferStorageOES v1 image=0x%x", image);
     59     //TODO: check error - we don't have a way to set gl error
     60     android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
     61 
     62     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
     63         return;
     64     }
     65 
     66     if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
     67         return;
     68     }
     69 
     70     DEFINE_AND_VALIDATE_HOST_CONNECTION();
     71     rcEnc->rcBindRenderbuffer(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
     72 
     73     return;
     74 }
     75 
     76 void * getProcAddress(const char * procname)
     77 {
     78     // search in GL function table
     79     for (int i=0; i<gl_num_funcs; i++) {
     80         if (!strcmp(gl_funcs_by_name[i].name, procname)) {
     81             return gl_funcs_by_name[i].proc;
     82         }
     83     }
     84     return NULL;
     85 }
     86 
     87 void finish()
     88 {
     89     glFinish();
     90 }
     91 
     92 const GLubyte *my_glGetString (void *self, GLenum name)
     93 {
     94     if (s_egl) {
     95         return (const GLubyte*)s_egl->getGLString(name);
     96     }
     97     return NULL;
     98 }
     99 
    100 void init()
    101 {
    102     GET_CONTEXT;
    103     ctx->set_glEGLImageTargetTexture2DOES(glEGLImageTargetTexture2DOES);
    104     ctx->set_glEGLImageTargetRenderbufferStorageOES(glEGLImageTargetRenderbufferStorageOES);
    105     ctx->set_glGetString(my_glGetString);
    106 }
    107 
    108 extern "C" {
    109 EGLClient_glesInterface * init_emul_gles(EGLClient_eglInterface *eglIface)
    110 {
    111     s_egl = eglIface;
    112 
    113     if (!s_gl) {
    114         s_gl = new EGLClient_glesInterface();
    115         s_gl->getProcAddress = getProcAddress;
    116         s_gl->finish = finish;
    117         s_gl->init = init;
    118     }
    119 
    120     return s_gl;
    121 }
    122 } //extern
    123 
    124 
    125