| 49 | } |
| 50 | |
| 51 | bool HWRenderContext::init(const retro_hw_render_callback& cb) { |
| 52 | std::cerr << "HWRender: init() called, context_type=" << cb.context_type << std::endl; |
| 53 | // Only support OpenGL contexts for now |
| 54 | if (cb.context_type != RETRO_HW_CONTEXT_OPENGL && |
| 55 | cb.context_type != RETRO_HW_CONTEXT_OPENGL_CORE && |
| 56 | cb.context_type != RETRO_HW_CONTEXT_OPENGLES2 && |
| 57 | cb.context_type != RETRO_HW_CONTEXT_OPENGLES3 && |
| 58 | cb.context_type != RETRO_HW_CONTEXT_OPENGLES_VERSION) { |
| 59 | std::cerr << "HWRender: Unsupported context type " << cb.context_type << std::endl; |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | m_callback = cb; |
| 64 | |
| 65 | std::cerr << "HWRender: calling initEGL()..." << std::endl; |
| 66 | if (!initEGL()) { |
| 67 | std::cerr << "HWRender: EGL failed, trying GLX fallback..." << std::endl; |
| 68 | if (!initGLX()) { |
| 69 | std::cerr << "HWRender: Both EGL and GLX failed" << std::endl; |
| 70 | return false; |
| 71 | } |
| 72 | std::cerr << "HWRender: initGLX() succeeded" << std::endl; |
| 73 | } else { |
| 74 | std::cerr << "HWRender: initEGL() succeeded" << std::endl; |
| 75 | } |
| 76 | |
| 77 | // Load GL extension functions based on backend |
| 78 | if (m_backend == GLBackend::EGL) { |
| 79 | glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)eglGetProcAddress("glGenFramebuffers"); |
| 80 | glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)eglGetProcAddress("glBindFramebuffer"); |
| 81 | glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)eglGetProcAddress("glDeleteFramebuffers"); |
| 82 | glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)eglGetProcAddress("glFramebufferTexture2D"); |
| 83 | glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)eglGetProcAddress("glFramebufferRenderbuffer"); |
| 84 | glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)eglGetProcAddress("glCheckFramebufferStatus"); |
| 85 | glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)eglGetProcAddress("glGenRenderbuffers"); |
| 86 | glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)eglGetProcAddress("glBindRenderbuffer"); |
| 87 | glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)eglGetProcAddress("glRenderbufferStorage"); |
| 88 | glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)eglGetProcAddress("glDeleteRenderbuffers"); |
| 89 | } else { |
| 90 | glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)glXGetProcAddressARB((const GLubyte*)"glGenFramebuffers"); |
| 91 | glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)glXGetProcAddressARB((const GLubyte*)"glBindFramebuffer"); |
| 92 | glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)glXGetProcAddressARB((const GLubyte*)"glDeleteFramebuffers"); |
| 93 | glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)glXGetProcAddressARB((const GLubyte*)"glFramebufferTexture2D"); |
| 94 | glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)glXGetProcAddressARB((const GLubyte*)"glFramebufferRenderbuffer"); |
| 95 | glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)glXGetProcAddressARB((const GLubyte*)"glCheckFramebufferStatus"); |
| 96 | glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)glXGetProcAddressARB((const GLubyte*)"glGenRenderbuffers"); |
| 97 | glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)glXGetProcAddressARB((const GLubyte*)"glBindRenderbuffer"); |
| 98 | glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)glXGetProcAddressARB((const GLubyte*)"glRenderbufferStorage"); |
| 99 | glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)glXGetProcAddressARB((const GLubyte*)"glDeleteRenderbuffers"); |
| 100 | } |
| 101 | |
| 102 | if (!glGenFramebuffers || !glBindFramebuffer) { |
| 103 | std::cerr << "HWRender: Failed to load GL functions" << std::endl; |
| 104 | if (m_backend == GLBackend::EGL) destroyEGL(); |
| 105 | else destroyGLX(); |
| 106 | return false; |
| 107 | } |
| 108 |
no outgoing calls
no test coverage detected