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
glEGLImageTargetTexture2DOES(void * self,GLenum target,GLeglImageOES image)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
glEGLImageTargetRenderbufferStorageOES(void * self,GLenum target,GLeglImageOES image)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
getProcAddress(const char * procname)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
finish()87 void finish()
88 {
89 glFinish();
90 }
91
my_glGetString(void * self,GLenum name)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
init()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" {
init_emul_gles(EGLClient_eglInterface * eglIface)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