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OSMesa: Add fallback to OSMesaCreateContextExt
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62012e3c68
@ -120,6 +120,7 @@ GLFWbool _glfwInitOSMesa(void)
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#elif defined(__CYGWIN__)
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#elif defined(__CYGWIN__)
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"libOSMesa-8.so",
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"libOSMesa-8.so",
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#else
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#else
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"libOSMesa.so.8",
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"libOSMesa.so.6",
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"libOSMesa.so.6",
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#endif
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#endif
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NULL
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NULL
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@ -141,6 +142,8 @@ GLFWbool _glfwInitOSMesa(void)
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return GLFW_FALSE;
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return GLFW_FALSE;
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}
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}
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_glfw.osmesa.CreateContextExt = (PFNOSMESACREATECONTEXTEXTPROC)
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_glfw_dlsym(_glfw.osmesa.handle, "OSMesaCreateContextExt");
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_glfw.osmesa.CreateContextAttribs = (PFNOSMESACREATECONTEXTATTRIBSPROC)
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_glfw.osmesa.CreateContextAttribs = (PFNOSMESACREATECONTEXTATTRIBSPROC)
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_glfw_dlsym(_glfw.osmesa.handle, "OSMesaCreateContextAttribs");
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_glfw_dlsym(_glfw.osmesa.handle, "OSMesaCreateContextAttribs");
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_glfw.osmesa.DestroyContext = (PFNOSMESADESTROYCONTEXTPROC)
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_glfw.osmesa.DestroyContext = (PFNOSMESADESTROYCONTEXTPROC)
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@ -154,7 +157,7 @@ GLFWbool _glfwInitOSMesa(void)
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_glfw.osmesa.GetProcAddress = (PFNOSMESAGETPROCADDRESSPROC)
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_glfw.osmesa.GetProcAddress = (PFNOSMESAGETPROCADDRESSPROC)
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_glfw_dlsym(_glfw.osmesa.handle, "OSMesaGetProcAddress");
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_glfw_dlsym(_glfw.osmesa.handle, "OSMesaGetProcAddress");
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if (!_glfw.osmesa.CreateContextAttribs ||
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if (!_glfw.osmesa.CreateContextExt ||
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!_glfw.osmesa.DestroyContext ||
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!_glfw.osmesa.DestroyContext ||
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!_glfw.osmesa.MakeCurrent ||
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!_glfw.osmesa.MakeCurrent ||
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!_glfw.osmesa.GetColorBuffer ||
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!_glfw.osmesa.GetColorBuffer ||
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@ -192,37 +195,60 @@ GLFWbool _glfwCreateContextOSMesa(_GLFWwindow* window,
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const _GLFWfbconfig* fbconfig)
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const _GLFWfbconfig* fbconfig)
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{
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{
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OSMesaContext share = NULL;
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OSMesaContext share = NULL;
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int index = 0, attribs[40];
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const int accumBits = fbconfig->accumRedBits +
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fbconfig->accumGreenBits +
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fbconfig->accumBlueBits +
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fbconfig->accumAlphaBits;
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if (ctxconfig->share)
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if (ctxconfig->share)
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share = ctxconfig->share->context.osmesa.handle;
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share = ctxconfig->share->context.osmesa.handle;
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setAttrib(OSMESA_FORMAT, OSMESA_RGBA);
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if (OSMesaCreateContextAttribs)
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setAttrib(OSMESA_DEPTH_BITS, fbconfig->depthBits);
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{
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setAttrib(OSMESA_STENCIL_BITS, fbconfig->stencilBits);
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int index = 0, attribs[40];
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setAttrib(OSMESA_ACCUM_BITS, fbconfig->accumRedBits +
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fbconfig->accumGreenBits +
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fbconfig->accumBlueBits +
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fbconfig->accumAlphaBits);
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if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
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setAttrib(OSMESA_FORMAT, OSMESA_RGBA);
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{
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setAttrib(OSMESA_DEPTH_BITS, fbconfig->depthBits);
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setAttrib(OSMESA_PROFILE, OSMESA_CORE_PROFILE);
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setAttrib(OSMESA_STENCIL_BITS, fbconfig->stencilBits);
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setAttrib(OSMESA_ACCUM_BITS, accumBits);
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if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
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{
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setAttrib(OSMESA_PROFILE, OSMESA_CORE_PROFILE);
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}
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else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
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{
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setAttrib(OSMESA_PROFILE, OSMESA_COMPAT_PROFILE);
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}
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if (ctxconfig->major != 1 || ctxconfig->minor != 0)
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{
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setAttrib(OSMESA_CONTEXT_MAJOR_VERSION, ctxconfig->major);
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setAttrib(OSMESA_CONTEXT_MINOR_VERSION, ctxconfig->minor);
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}
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setAttrib(0, 0);
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window->context.osmesa.handle =
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OSMesaCreateContextAttribs(attribs, share);
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}
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}
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else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
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else
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{
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{
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setAttrib(OSMESA_PROFILE, OSMESA_COMPAT_PROFILE);
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if (ctxconfig->profile)
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{
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_glfwInputError(GLFW_VERSION_UNAVAILABLE,
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"OSMesa: OpenGL profiles unavailable");
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return GLFW_FALSE;
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}
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window->context.osmesa.handle =
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OSMesaCreateContextExt(OSMESA_RGBA,
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fbconfig->depthBits,
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fbconfig->stencilBits,
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accumBits,
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share);
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}
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}
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if (ctxconfig->major != 1 || ctxconfig->minor != 0)
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{
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setAttrib(OSMESA_CONTEXT_MAJOR_VERSION, ctxconfig->major);
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setAttrib(OSMESA_CONTEXT_MINOR_VERSION, ctxconfig->minor);
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}
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setAttrib(0, 0);
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window->context.osmesa.handle = OSMesaCreateContextAttribs(attribs, share);
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if (window->context.osmesa.handle == NULL)
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if (window->context.osmesa.handle == NULL)
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{
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{
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_glfwInputError(GLFW_VERSION_UNAVAILABLE,
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_glfwInputError(GLFW_VERSION_UNAVAILABLE,
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@ -43,11 +43,13 @@ typedef void* OSMesaContext;
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typedef void (*OSMESAproc)();
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typedef void (*OSMESAproc)();
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typedef OSMesaContext (* PFNOSMESACREATECONTEXTATTRIBSPROC)(const int*,OSMesaContext);
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typedef OSMesaContext (* PFNOSMESACREATECONTEXTATTRIBSPROC)(const int*,OSMesaContext);
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typedef OSMesaContext (* PFNOSMESACREATECONTEXTEXTPROC)(GLenum,GLint,GLint,GLint,OSMesaContext);
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typedef void (* PFNOSMESADESTROYCONTEXTPROC)(OSMesaContext);
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typedef void (* PFNOSMESADESTROYCONTEXTPROC)(OSMesaContext);
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typedef int (* PFNOSMESAMAKECURRENTPROC)(OSMesaContext,void*,int,int,int);
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typedef int (* PFNOSMESAMAKECURRENTPROC)(OSMesaContext,void*,int,int,int);
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typedef int (* PFNOSMESAGETCOLORBUFFERPROC)(OSMesaContext,int*,int*,int*,void**);
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typedef int (* PFNOSMESAGETCOLORBUFFERPROC)(OSMesaContext,int*,int*,int*,void**);
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typedef int (* PFNOSMESAGETDEPTHBUFFERPROC)(OSMesaContext,int*,int*,int*,void**);
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typedef int (* PFNOSMESAGETDEPTHBUFFERPROC)(OSMesaContext,int*,int*,int*,void**);
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typedef GLFWglproc (* PFNOSMESAGETPROCADDRESSPROC)(const char*);
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typedef GLFWglproc (* PFNOSMESAGETPROCADDRESSPROC)(const char*);
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#define OSMesaCreateContextExt _glfw.osmesa.CreateContextExt
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#define OSMesaCreateContextAttribs _glfw.osmesa.CreateContextAttribs
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#define OSMesaCreateContextAttribs _glfw.osmesa.CreateContextAttribs
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#define OSMesaDestroyContext _glfw.osmesa.DestroyContext
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#define OSMesaDestroyContext _glfw.osmesa.DestroyContext
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#define OSMesaMakeCurrent _glfw.osmesa.MakeCurrent
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#define OSMesaMakeCurrent _glfw.osmesa.MakeCurrent
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@ -76,6 +78,7 @@ typedef struct _GLFWlibraryOSMesa
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{
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{
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void* handle;
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void* handle;
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PFNOSMESACREATECONTEXTEXTPROC CreateContextExt;
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PFNOSMESACREATECONTEXTATTRIBSPROC CreateContextAttribs;
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PFNOSMESACREATECONTEXTATTRIBSPROC CreateContextAttribs;
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PFNOSMESADESTROYCONTEXTPROC DestroyContext;
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PFNOSMESADESTROYCONTEXTPROC DestroyContext;
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PFNOSMESAMAKECURRENTPROC MakeCurrent;
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PFNOSMESAMAKECURRENTPROC MakeCurrent;
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