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      1 #include "EGLClientIface.h"
      2 #include "HostConnection.h"
      3 #include "GL2Encoder.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 //XXX: fix this macro to get the context from fast tls path
     12 #define GET_CONTEXT GL2Encoder * ctx = getEGLThreadInfo()->hostConn->gl2Encoder();
     13 
     14 #include "gl2_entry.cpp"
     15 
     16 //The functions table
     17 #include "gl2_ftable.h"
     18 
     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 v2 target=%#x img=%p\n", target, 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     GET_CONTEXT;
     51     DEFINE_AND_VALIDATE_HOST_CONNECTION();
     52 
     53     ctx->override2DTextureTarget(target);
     54     rcEnc->rcBindTexture(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
     55     ctx->restore2DTextureTarget();
     56 
     57     return;
     58 }
     59 
     60 void glEGLImageTargetRenderbufferStorageOES(void *self, GLenum target, GLeglImageOES image)
     61 {
     62     DBG("glEGLImageTargetRenderbufferStorageOES v2 image=%p\n", image);
     63     //TODO: check error - we don't have a way to set gl error
     64     android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
     65 
     66     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
     67         return;
     68     }
     69 
     70     if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
     71         return;
     72     }
     73 
     74     DEFINE_AND_VALIDATE_HOST_CONNECTION();
     75     rcEnc->rcBindRenderbuffer(rcEnc, ((cb_handle_t *)(native_buffer->handle))->hostHandle);
     76 
     77     return;
     78 }
     79 
     80 void * getProcAddress(const char * procname)
     81 {
     82     // search in GL function table
     83     for (int i=0; i<gl2_num_funcs; i++) {
     84         if (!strcmp(gl2_funcs_by_name[i].name, procname)) {
     85             return gl2_funcs_by_name[i].proc;
     86         }
     87     }
     88     return NULL;
     89 }
     90 
     91 void finish()
     92 {
     93     glFinish();
     94 }
     95 
     96 const GLubyte *my_glGetString (void *self, GLenum name)
     97 {
     98     if (s_egl) {
     99         return (const GLubyte*)s_egl->getGLString(name);
    100     }
    101     return NULL;
    102 }
    103 
    104 void init()
    105 {
    106     GET_CONTEXT;
    107     ctx->set_glEGLImageTargetTexture2DOES(glEGLImageTargetTexture2DOES);
    108     ctx->set_glEGLImageTargetRenderbufferStorageOES(glEGLImageTargetRenderbufferStorageOES);
    109     ctx->set_glGetString(my_glGetString);
    110 }
    111 
    112 extern "C" {
    113 EGLClient_glesInterface * init_emul_gles(EGLClient_eglInterface *eglIface)
    114 {
    115     s_egl = eglIface;
    116 
    117     if (!s_gl) {
    118         s_gl = new EGLClient_glesInterface();
    119         s_gl->getProcAddress = getProcAddress;
    120         s_gl->finish = finish;
    121         s_gl->init = init;
    122     }
    123 
    124     return s_gl;
    125 }
    126 } //extern
    127 
    128 
    129