| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights 1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms. 2 // See the file tools.license for terms.
3 3
4 #ifndef toolx_sg_gl 4 #ifndef toolx_sg_gl
5 #define toolx_sg_gl 5 #define toolx_sg_gl
6 6
7 #include "../OpenGL" 7 #include "../OpenGL"
8 8
9 #include <tools/platform> //for APPLE TargetCo 9 #include <tools/platform> //for APPLE TargetConditionals.h
10 #include <tools/img> 10 #include <tools/img>
11 11
12 #include <ostream> 12 #include <ostream>
13 #include <sstream> 13 #include <sstream>
14 14
15 namespace toolx { 15 namespace toolx {
16 namespace sg { 16 namespace sg {
17 //namespace gl : no, problem with g4tools. 17 //namespace gl : no, problem with g4tools.
18 18
19 inline void gl_clear_errors() { 19 inline void gl_clear_errors() {
20 GLenum glerror = ::glGetError(); 20 GLenum glerror = ::glGetError();
21 while(glerror!=GL_NO_ERROR) { 21 while(glerror!=GL_NO_ERROR) {
22 glerror = ::glGetError(); 22 glerror = ::glGetError();
23 } 23 }
24 } 24 }
25 25
26 inline bool gl_dump_if_errors(std::ostream& a_ 26 inline bool gl_dump_if_errors(std::ostream& a_out,const std::string& a_head) {
27 bool retval = false; 27 bool retval = false;
28 GLenum glerror = ::glGetError(); 28 GLenum glerror = ::glGetError();
29 if(glerror!=GL_NO_ERROR) { 29 if(glerror!=GL_NO_ERROR) {
30 a_out << a_head 30 a_out << a_head
31 << " we have gl errors :" 31 << " we have gl errors :"
32 << std::endl; 32 << std::endl;
33 retval = true; 33 retval = true;
34 } 34 }
35 while(glerror!=GL_NO_ERROR) { 35 while(glerror!=GL_NO_ERROR) {
36 //#define GL_NO_ERROR 36 //#define GL_NO_ERROR 0
37 //#define GL_INVALID_ENUM 37 //#define GL_INVALID_ENUM 0x0500
38 //#define GL_INVALID_VALUE 38 //#define GL_INVALID_VALUE 0x0501
39 //#define GL_INVALID_OPERATION 39 //#define GL_INVALID_OPERATION 0x0502
40 //#define GL_STACK_OVERFLOW 40 //#define GL_STACK_OVERFLOW 0x0503
41 //#define GL_STACK_UNDERFLOW 41 //#define GL_STACK_UNDERFLOW 0x0504
42 //#define GL_OUT_OF_MEMORY 42 //#define GL_OUT_OF_MEMORY 0x0505
43 43
44 //#define GL_INVALID_FRAMEBUFFER_OPERATION 44 //#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
45 45
46 std::ostringstream oss; 46 std::ostringstream oss;
47 oss << "0x" << std::hex << glerror; 47 oss << "0x" << std::hex << glerror;
48 a_out << oss.str() << std::endl; 48 a_out << oss.str() << std::endl;
49 49
50 glerror = ::glGetError(); 50 glerror = ::glGetError();
51 } 51 }
52 return retval; 52 return retval;
53 } 53 }
54 54
55 inline void gl_dump_infos(std::ostream& a_out) 55 inline void gl_dump_infos(std::ostream& a_out) {
56 std::string gl_version; 56 std::string gl_version;
57 {const char* _sv = (const char*)::glGetStri 57 {const char* _sv = (const char*)::glGetString(GL_VERSION);
58 if(_sv) gl_version = _sv;} 58 if(_sv) gl_version = _sv;}
59 59
60 std::string gl_vendor; 60 std::string gl_vendor;
61 {const char* _sv = (const char*)::glGetStri 61 {const char* _sv = (const char*)::glGetString(GL_VENDOR);
62 if(_sv) gl_vendor = _sv;} 62 if(_sv) gl_vendor = _sv;}
63 63
64 std::string gl_renderer; 64 std::string gl_renderer;
65 {const char* _sv = (const char*)::glGetStri 65 {const char* _sv = (const char*)::glGetString(GL_RENDERER);
66 if(_sv) gl_renderer = _sv;} 66 if(_sv) gl_renderer = _sv;}
67 67
68 std::string gl_extensions; 68 std::string gl_extensions;
69 {const char* _sv = (const char*)::glGetStri 69 {const char* _sv = (const char*)::glGetString(GL_EXTENSIONS);
70 if(_sv) gl_extensions = _sv;} 70 if(_sv) gl_extensions = _sv;}
71 71
72 GLint gl_texture_size; 72 GLint gl_texture_size;
73 ::glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_t 73 ::glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_texture_size);
74 74
75 //GLint gl_buffer_size; 75 //GLint gl_buffer_size;
76 //::glGetIntegerv(GL_BUFFER_SIZE, &gl_buff 76 //::glGetIntegerv(GL_BUFFER_SIZE, &gl_buffer_size);
77 77
78 a_out << "toolx::sg::gl::dump_infos :" << 78 a_out << "toolx::sg::gl::dump_infos :" << std::endl;
79 a_out << " GL_VERSION " << gl_version << s 79 a_out << " GL_VERSION " << gl_version << std::endl;
80 a_out << " GL_VENDOR " << gl_vendor << std 80 a_out << " GL_VENDOR " << gl_vendor << std::endl;
81 a_out << " GL_RENDERER " << gl_renderer << 81 a_out << " GL_RENDERER " << gl_renderer << std::endl;
82 a_out << " GL_EXTENSIONS " << gl_extension 82 a_out << " GL_EXTENSIONS " << gl_extensions << std::endl;
83 a_out << " GL_MAX_TEXTURE_SIZE " << gl_tex 83 a_out << " GL_MAX_TEXTURE_SIZE " << gl_texture_size << std::endl;
84 //a_out << " GL_BUFFER_SIZE " << gl_buffer 84 //a_out << " GL_BUFFER_SIZE " << gl_buffer_size << std::endl;
85 } 85 }
86 86
87 inline bool gl_tex_img(std::ostream& a_out,con 87 inline bool gl_tex_img(std::ostream& a_out,const tools::img_byte& a_img) {
88 if(a_img.bpp()==1) { 88 if(a_img.bpp()==1) {
89 //to pass eiffel-tower.png 89 //to pass eiffel-tower.png
90 #if defined(ANDROID) || TARGET_OS_IPHONE 90 #if defined(ANDROID) || TARGET_OS_IPHONE
91 tools::img_byte res; 91 tools::img_byte res;
92 if(!a_img.bw2x(3,res)) { 92 if(!a_img.bw2x(3,res)) {
93 a_out << "toolx::sg::gl::tex_img : too 93 a_out << "toolx::sg::gl::tex_img : tools::img.bw2x() failed." << std::endl;
94 return false; 94 return false;
95 } 95 }
96 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,re 96 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,res.width(),res.height(),0,GL_RGB,GL_UNSIGNED_BYTE,res.buffer());
97 #else 97 #else
98 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,a_ 98 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,a_img.width(),a_img.height(),0,GL_LUMINANCE,GL_UNSIGNED_BYTE,a_img.buffer());
99 #endif 99 #endif
100 } else if(a_img.bpp()==3) { 100 } else if(a_img.bpp()==3) {
101 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,a_ 101 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,a_img.width(),a_img.height(),0,GL_RGB,GL_UNSIGNED_BYTE,a_img.buffer());
102 } else if(a_img.bpp()==4) { 102 } else if(a_img.bpp()==4) {
103 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,a 103 ::glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,a_img.width(),a_img.height(),0,GL_RGBA,GL_UNSIGNED_BYTE,a_img.buffer());
104 } else { 104 } else {
105 a_out << "toolx::sg::gl::tex_img : img.b 105 a_out << "toolx::sg::gl::tex_img : img.bpp() " << a_img.bpp() << " not treated." << std::endl;
106 return false; 106 return false;
107 } 107 }
108 return true; 108 return true;
109 } 109 }
110 110
111 }} 111 }}
112 112
113 113
114 #endif 114 #endif