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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/glutils_8cpp_source.html below:

NCBI C++ ToolKit: src/gui/opengl/glutils.cpp Source File

40 #include <GLKit/GLKVector3.h> 41 #include <GLKit/GLKMatrix4.h> 42 #include <GLKit/GLKMathUtils.h> 46

GLEWContext* glewGetContext()

48 return

NCBI_NS_NCBI::CGLGlewContext::GetInstance().GetGlewContext();

60

CGLGlewContext& CGLGlewContext::GetInstance()

62 static

CGLGlewContext instance;

78 const char

str

reinterpret_cast<const char

>

(glGetString(GL_RENDERER));

83 _TRACE

(

"GL_VERSION = "

<< glGetString(GL_VERSION));

84 _TRACE

(

"GL_RENDERER = "

<< glGetString(GL_RENDERER));

85 _TRACE

(

"GL_EXTENSIONS = "

<< glGetString(GL_EXTENSIONS));

90 if

(s.find(

"software renderer"

) != string::npos) {

92

"CGlUtils::GetAccelerated(): " 93 "auto-detected non-hardware-accelerated platform"

);

97

"CGlUtils::GetAccelerated(): " 98 "auto-detected hardware-accelerated platform"

);

113 const char

value

= getenv(

"NCBI_GBENCH_GLERROR"

);

135 msg

"CGlUtils::CheckGlError(): unknown error"

;

138 case

GL_INVALID_OPERATION:

139 msg

"CGlUtils::CheckGlError(): invalid operation"

;

142 case

GL_INVALID_ENUM:

143 msg

"CGlUtils::CheckGlError(): invalid enum"

;

146 case

GL_INVALID_VALUE:

147 msg

"CGlUtils::CheckGlError(): invalid value"

;

150 case

GL_STACK_OVERFLOW:

151 msg

"CGlUtils::CheckGlError(): stack overflow"

;

154 case

GL_STACK_UNDERFLOW:

155 msg

"CGlUtils::CheckGlError(): stack underflow"

;

158 case

GL_OUT_OF_MEMORY:

159 msg

"CGlUtils::CheckGlError(): out of memory"

;

168

GLint

error

= glGetError();

169 if

(

error

== GL_NO_ERROR) {

210 LOG_POST

(

Info

"OpenGL Vendor: "

<< glGetString(GL_VENDOR));

211 LOG_POST

(

Info

"OpenGL Renderer: "

<< glGetString(GL_RENDERER));

212 LOG_POST

(

Info

"OpenGL Version: "

<< glGetString(GL_VERSION));

213 LOG_POST

(

Info

"OpenGL Extensions: "

<< glGetString(GL_EXTENSIONS));

218 float

projection[16];

221

glGetIntegerv(GL_VIEWPORT, viewport);

222

glGetFloatv(GL_MODELVIEW_MATRIX, modelview);

223

glGetFloatv(GL_PROJECTION_MATRIX, projection);

224

glGetFloatv(GL_CURRENT_COLOR,

color

);

227

GLint green_bits = 0;

229

GLint alpha_bits = 0;

230

GLint depth_bits = 0;

231

GLint stencil_bits = 0;

232

glGetIntegerv(GL_RED_BITS, &red_bits);

233

glGetIntegerv(GL_GREEN_BITS, &green_bits);

234

glGetIntegerv(GL_BLUE_BITS, &blue_bits);

235

glGetIntegerv(GL_ALPHA_BITS, &alpha_bits);

236

glGetIntegerv(GL_DEPTH_BITS, &depth_bits);

237

glGetIntegerv(GL_STENCIL_BITS, &stencil_bits);

241

" Red="

<< red_bits <<

" bits" 242

" Green="

<< green_bits <<

" bits" 243

" Blue="

<< blue_bits <<

" bits" 244

" Alpha="

<< alpha_bits <<

" bits"

);

245 LOG_POST

(

Info

" Depth: "

<< depth_bits <<

" bits"

);

246 LOG_POST

(

Info

" Stencil: "

<< alpha_bits <<

" bits"

);

249

<< viewport[0] <<

", "

<< viewport[1] <<

", " 250

<< viewport[2] <<

", "

<< viewport[3]);

255 for

(

= 0;

< 4; ++

) {

257 for

(j = 0; j < 4; ++j) {

265 for

(

= 0;

< 4; ++

) {

267 for

(j = 0; j < 4; ++j) {

279

<< (glIsEnabled(GL_LIGHTING) ?

"enabled"

"disabled"

));

281

<< (glIsEnabled(GL_DEPTH_TEST) ?

"enabled"

"disabled"

));

283

<< (glIsEnabled(GL_CULL_FACE) ?

"enabled"

"disabled"

));

285

<< (glIsEnabled(GL_BLEND) ?

"enabled"

"disabled"

));

287

<< (glIsEnabled(GL_ALPHA_TEST) ?

"enabled"

"disabled"

));

289

<< (glIsEnabled(GL_TEXTURE_2D) ?

"enabled"

"disabled"

));

294 #ifdef NCBI_OS_DARWIN 300 const

GLdouble modelMatrix[16],

301 const

GLdouble projMatrix[16],

302 const

GLint viewport[4],

307

GLKVector3

object

{ (float)objx, (

float

)objy, (float)objz };

308

GLKMatrix4 model = GLKMatrix4Make(

309

modelMatrix[0], modelMatrix[1], modelMatrix[2], modelMatrix[3],

310

modelMatrix[4], modelMatrix[5], modelMatrix[6], modelMatrix[7],

311

modelMatrix[8], modelMatrix[9], modelMatrix[10], modelMatrix[11],

312

modelMatrix[12], modelMatrix[13], modelMatrix[14], modelMatrix[15]);

313

GLKMatrix4 projection = GLKMatrix4Make(

314

projMatrix[0], projMatrix[1], projMatrix[2], projMatrix[3],

315

projMatrix[4], projMatrix[5], projMatrix[6], projMatrix[7],

316

projMatrix[8], projMatrix[9], projMatrix[10], projMatrix[11],

317

projMatrix[12], projMatrix[13], projMatrix[14], projMatrix[15]);

318

GLKVector3

result

= GLKMathProject(

object

, model, projection,

const_cast<int

>

(viewport));

329 const

GLdouble modelMatrix[16],

330 const

GLdouble projMatrix[16],

331 const

GLint viewport[4],

336

GLKVector3 window{ (float)winx, (

float

)winy, (float)winz };

337

GLKMatrix4 model = GLKMatrix4Make(

338

modelMatrix[0], modelMatrix[1], modelMatrix[2], modelMatrix[3],

339

modelMatrix[4], modelMatrix[5], modelMatrix[6], modelMatrix[7],

340

modelMatrix[8], modelMatrix[9], modelMatrix[10], modelMatrix[11],

341

modelMatrix[12], modelMatrix[13], modelMatrix[14], modelMatrix[15]);

342

GLKMatrix4 projection = GLKMatrix4Make(

343

projMatrix[0], projMatrix[1], projMatrix[2], projMatrix[3],

344

projMatrix[4], projMatrix[5], projMatrix[6], projMatrix[7],

345

projMatrix[8], projMatrix[9], projMatrix[10], projMatrix[11],

346

projMatrix[12], projMatrix[13], projMatrix[14], projMatrix[15]);

347 bool

success =

false

;

348

GLKVector3

result

= GLKMathUnproject(window, model, projection,

const_cast<int

>

(viewport), &success);

352 return

(success ? GL_TRUE : GL_FALSE);

static const char * str(char *buf, int n)

NCBI_XNCBI_EXPORT void Abort(void)

Smart abort function.

#define LOG_POST(message)

This macro is deprecated and it's strongly recomended to move in all projects (except tests) to macro...

void Error(CExceptionArgs_Base &args)

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

void Info(CExceptionArgs_Base &args)

int gluProjectX(GLdouble objx, GLdouble objy, GLdouble objz, const GLdouble modelMatrix[16], const GLdouble projMatrix[16], const GLint viewport[4], GLdouble *winx, GLdouble *winy, GLdouble *winz)

EAccelState

status of hardware acceleration.

static EAccelState m_Accel

static EGlDiagMode GetDiagnosticMode()

Get current diagnostic (error handling) mode.

static void DumpState()

Dump many of the most common OpenGL states.

static bool CheckGlError()

Check if there are any OpenGL errors.

static string GetErrMsg(GLint error)

Get message for specified OpenGL error.

int gluUnProjectX(GLdouble winx, GLdouble winy, GLdouble winz, const GLdouble modelMatrix[16], const GLdouble projMatrix[16], const GLint viewport[4], GLdouble *objx, GLdouble *objy, GLdouble *objz)

static EAccelState GetAccelerated(void)

Get the status of hardware acceleration.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

static string DoubleToString(double value, int precision=-1, TNumToStringFlags flags=0)

Convert double to string.

const GenericPointer< typename T::ValueType > T2 value

int strcmp(const char *str1, const char *str2)

Defines classes: CDirEntry, CFile, CDir, CSymLink, CMemoryFile, CFileUtil, CFileLock,...

Standard mechanism to include OpenGL headers for all platforms.

static SLJIT_INLINE sljit_ins msg(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

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