#include <OpenGl_ArbDbg.hxx>
#include <OpenGl_ArbFBO.hxx>
#include <OpenGl_ExtGS.hxx>
+#include <OpenGl_ArbSamplerObject.hxx>
#include <OpenGl_ArbTexBindless.hxx>
-#include <OpenGl_GlCore20.hxx>
+#include <OpenGl_GlCore44.hxx>
+#include <OpenGl_FrameBuffer.hxx>
+#include <OpenGl_FrameStats.hxx>
#include <OpenGl_Sampler.hxx>
#include <OpenGl_ShaderManager.hxx>
+#include <OpenGl_Workspace.hxx>
+#include <OpenGl_AspectFace.hxx>
+#include <Graphic3d_TransformUtils.hxx>
+#include <Graphic3d_RenderingParams.hxx>
#include <Message_Messenger.hxx>
#include <Standard_ProgramError.hxx>
+IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Context,Standard_Transient)
+
#if defined(HAVE_EGL)
#include <EGL/egl.h>
#ifdef _MSC_VER
//
#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
#include <dlfcn.h>
+ #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+ //
+ #else
+ #include <OpenGL/OpenGL.h>
+ #include <CoreGraphics/CoreGraphics.h>
+ #endif
#else
#include <GL/glx.h> // glXGetProcAddress()
#endif
-// GL_NVX_gpu_memory_info
-#ifndef GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
- enum
- {
- GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX = 0x9047,
- GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX = 0x9048,
- GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX = 0x9049,
- GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX = 0x904A,
- GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX = 0x904B
- };
+#ifdef HAVE_GL2PS
+ #include <gl2ps.h>
+ #ifdef _MSC_VER
+ #pragma comment (lib, "gl2ps.lib")
+ #endif
#endif
-IMPLEMENT_STANDARD_HANDLE (OpenGl_Context, Standard_Transient)
-IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Context, Standard_Transient)
namespace
{
static const Handle(OpenGl_Resource) NULL_GL_RESOURCE;
+ static const OpenGl_Mat4 THE_IDENTITY_MATRIX;
+
+ //! Add key-value pair to the dictionary.
+ static void addInfo (TColStd_IndexedDataMapOfStringString& theDict,
+ const TCollection_AsciiString& theKey,
+ const TCollection_AsciiString& theValue)
+ {
+ theDict.ChangeFromIndex (theDict.Add (theKey, theValue)) = theValue;
+ }
+
+ //! Add key-value pair to the dictionary.
+ static void addInfo (TColStd_IndexedDataMapOfStringString& theDict,
+ const TCollection_AsciiString& theKey,
+ const char* theValue)
+ {
+ TCollection_AsciiString aValue (theValue != NULL ? theValue : "");
+ theDict.ChangeFromIndex (theDict.Add (theKey, aValue)) = aValue;
+ }
}
// =======================================================================
caps (!theCaps.IsNull() ? theCaps : new OpenGl_Caps()),
#if defined(GL_ES_VERSION_2_0)
hasHighp (Standard_False),
+ hasUintIndex(Standard_False),
hasTexRGBA8(Standard_False),
#else
hasHighp (Standard_True),
+ hasUintIndex(Standard_True),
hasTexRGBA8(Standard_True),
#endif
+ hasDrawBuffers (OpenGl_FeatureNotAvailable),
+ hasFloatBuffer (OpenGl_FeatureNotAvailable),
+ hasHalfFloatBuffer (OpenGl_FeatureNotAvailable),
+ hasSampleVariables (OpenGl_FeatureNotAvailable),
+ arbDrawBuffers (Standard_False),
arbNPTW (Standard_False),
arbTexRG (Standard_False),
+ arbTexFloat (Standard_False),
+ arbSamplerObject (NULL),
arbTexBindless (NULL),
arbTBO (NULL),
arbTboRGB32 (Standard_False),
arbIns (NULL),
arbDbg (NULL),
arbFBO (NULL),
+ arbFBOBlit (NULL),
+ arbSampleShading (Standard_False),
+ extFragDepth (Standard_False),
+ extDrawBuffers (Standard_False),
extGS (NULL),
extBgra(Standard_False),
extAnis(Standard_False),
extPDS (Standard_False),
atiMem (Standard_False),
nvxMem (Standard_False),
+ oesSampleVariables (Standard_False),
+ oesStdDerivatives (Standard_False),
mySharedResources (new OpenGl_ResourcesMap()),
myDelayed (new OpenGl_DelayReleaseMap()),
myUnusedResources (new OpenGl_ResourcesStack()),
myAnisoMax (1),
myTexClamp (GL_CLAMP_TO_EDGE),
myMaxTexDim (1024),
+ myMaxTexCombined (1),
myMaxClipPlanes (6),
+ myMaxMsaaSamples(0),
+ myMaxDrawBuffers (1),
+ myMaxColorAttachments (1),
myGlVerMajor (0),
myGlVerMinor (0),
myIsInitialized (Standard_False),
myIsStereoBuffers (Standard_False),
myIsGlNormalizeEnabled (Standard_False),
+ myHasRayTracing (Standard_False),
+ myHasRayTracingTextures (Standard_False),
+ myHasRayTracingAdaptiveSampling (Standard_False),
+ myFrameStats (new OpenGl_FrameStats()),
#if !defined(GL_ES_VERSION_2_0)
+ myPointSpriteOrig (GL_UPPER_LEFT),
myRenderMode (GL_RENDER),
+ myPolygonMode (GL_FILL),
#else
+ myPointSpriteOrig (0),
myRenderMode (0),
+ myPolygonMode (0),
#endif
- myDrawBuffer (0)
+ myToCullBackFaces (false),
+ myReadBuffer (0),
+ myDrawBuffers (1),
+ myDefaultVao (0),
+ myColorMask (true),
+ myIsGlDebugCtx (Standard_False),
+ myResolution (Graphic3d_RenderingParams::THE_DEFAULT_RESOLUTION),
+ myResolutionRatio (1.0f),
+ myLineWidthScale (1.0f),
+ myRenderScale (1.0f),
+ myRenderScaleInv (1.0f)
{
-#if defined(__APPLE__) && !defined(MACOSX_USE_GLX)
+ myViewport[0] = 0;
+ myViewport[1] = 0;
+ myViewport[2] = 0;
+ myViewport[3] = 0;
+ myViewportVirt[0] = 0;
+ myViewportVirt[1] = 0;
+ myViewportVirt[2] = 0;
+ myViewportVirt[3] = 0;
+
+ myPolygonOffset.Mode = Aspect_POM_Off;
+ myPolygonOffset.Factor = 0.0f;
+ myPolygonOffset.Units = 0.0f;
+
+ // system-dependent fields
+#if defined(HAVE_EGL)
+ myDisplay = (Aspect_Display )EGL_NO_DISPLAY;
+ myWindow = (Aspect_Drawable )EGL_NO_SURFACE;
+ myGContext = (Aspect_RenderingContext )EGL_NO_CONTEXT;
+#elif defined(_WIN32)
+ myWindow = NULL;
+ myWindowDC = NULL;
+ myGContext = NULL;
+#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
// Vendors can not extend functionality on this system
// and developers are limited to OpenGL support provided by Mac OS X SDK.
// We retrieve function pointers from system library
// Notice that GL version / extension availability checks are required
// because function pointers may be available but not functionality itself
// (depends on renderer).
+#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+ myGContext = NULL;
+ myGlLibHandle = dlopen ("/System/Library/Frameworks/OpenGLES.framework/OpenGLES", RTLD_LAZY);
+#else
+ myGContext = NULL;
myGlLibHandle = dlopen ("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_LAZY);
#endif
+#else
+ myDisplay = NULL;
+ myWindow = 0;
+ myGContext = 0;
+#endif
+
memset (myFuncs.operator->(), 0, sizeof(OpenGl_GlFunctions));
myShaderManager = new OpenGl_ShaderManager (this);
}
// release clean up queue
ReleaseDelayed();
+#if !defined(GL_ES_VERSION_2_0)
+ // release default VAO
+ if (myDefaultVao != 0
+ && IsValid()
+ && core32 != NULL)
+ {
+ core32->glDeleteVertexArrays (1, &myDefaultVao);
+ }
+ myDefaultVao = 0;
+#endif
+
+ // release default FBO
+ if (!myDefaultFbo.IsNull())
+ {
+ myDefaultFbo->Release (this);
+ myDefaultFbo.Nullify();
+ }
+
// release shared resources if any
- if (((const Handle(Standard_Transient)& )mySharedResources)->GetRefCount() <= 1)
+ if (mySharedResources->GetRefCount() <= 1)
{
myShaderManager.Nullify();
for (NCollection_DataMap<TCollection_AsciiString, Handle(OpenGl_Resource)>::Iterator anIter (*mySharedResources);
{
anIter.Value()->Release (this);
}
+
+ // release delayed resources added during deletion of shared resources
+ while (!myUnusedResources->IsEmpty())
+ {
+ myUnusedResources->First()->Release (this);
+ myUnusedResources->RemoveFirst();
+ }
}
- else
+ else if (myShaderManager->IsSameContext (this))
{
myShaderManager->SetContext (NULL);
}
mySharedResources.Nullify();
myDelayed.Nullify();
- // release sampler object
- if (!myTexSampler.IsNull())
- {
- myTexSampler->Release (this);
- }
-
-#if !defined(GL_ES_VERSION_2_0)
if (arbDbg != NULL
- && caps->contextDebug
+ && myIsGlDebugCtx
&& IsValid())
{
// reset callback
+ #if !defined(GL_ES_VERSION_2_0)
void* aPtr = NULL;
- glGetPointerv (GL_DEBUG_CALLBACK_USER_PARAM_ARB, &aPtr);
+ glGetPointerv (GL_DEBUG_CALLBACK_USER_PARAM, &aPtr);
if (aPtr == this)
+ #endif
{
- arbDbg->glDebugMessageCallbackARB (NULL, NULL);
+ arbDbg->glDebugMessageCallback (NULL, NULL);
}
+ myIsGlDebugCtx = Standard_False;
}
-#endif
}
// =======================================================================
mySharedResources->Clear();
myShaderManager->clear();
myShaderManager->SetContext (NULL);
+
+ // release delayed resources added during deletion of shared resources
+ while (!myUnusedResources->IsEmpty())
+ {
+ myUnusedResources->First()->Release (this);
+ myUnusedResources->RemoveFirst();
+ }
}
// =======================================================================
-// function : MaxDegreeOfAnisotropy
+// function : ResizeViewport
// purpose :
// =======================================================================
-Standard_Integer OpenGl_Context::MaxDegreeOfAnisotropy() const
+void OpenGl_Context::ResizeViewport (const Standard_Integer* theRect)
{
- return myAnisoMax;
+ core11fwd->glViewport (theRect[0], theRect[1], theRect[2], theRect[3]);
+ myViewport[0] = theRect[0];
+ myViewport[1] = theRect[1];
+ myViewport[2] = theRect[2];
+ myViewport[3] = theRect[3];
+ if (HasRenderScale())
+ {
+ myViewportVirt[0] = Standard_Integer(theRect[0] * myRenderScaleInv);
+ myViewportVirt[1] = Standard_Integer(theRect[1] * myRenderScaleInv);
+ myViewportVirt[2] = Standard_Integer(theRect[2] * myRenderScaleInv);
+ myViewportVirt[3] = Standard_Integer(theRect[3] * myRenderScaleInv);
+ }
+ else
+ {
+ myViewportVirt[0] = theRect[0];
+ myViewportVirt[1] = theRect[1];
+ myViewportVirt[2] = theRect[2];
+ myViewportVirt[3] = theRect[3];
+ }
}
-// =======================================================================
-// function : MaxTextureSize
-// purpose :
-// =======================================================================
-Standard_Integer OpenGl_Context::MaxTextureSize() const
+#if !defined(GL_ES_VERSION_2_0)
+inline Standard_Integer stereoToMonoBuffer (const Standard_Integer theBuffer)
{
- return myMaxTexDim;
+ switch (theBuffer)
+ {
+ case GL_BACK_LEFT:
+ case GL_BACK_RIGHT:
+ return GL_BACK;
+ case GL_FRONT_LEFT:
+ case GL_FRONT_RIGHT:
+ return GL_FRONT;
+ default:
+ return theBuffer;
+ }
}
+#endif
// =======================================================================
-// function : MaxClipPlanes
+// function : SetReadBuffer
// purpose :
// =======================================================================
-Standard_Integer OpenGl_Context::MaxClipPlanes() const
+void OpenGl_Context::SetReadBuffer (const Standard_Integer theReadBuffer)
{
- return myMaxClipPlanes;
+#if !defined(GL_ES_VERSION_2_0)
+ myReadBuffer = !myIsStereoBuffers ? stereoToMonoBuffer (theReadBuffer) : theReadBuffer;
+ if (myReadBuffer < GL_COLOR_ATTACHMENT0
+ && arbFBO != NULL)
+ {
+ arbFBO->glBindFramebuffer (GL_FRAMEBUFFER, OpenGl_FrameBuffer::NO_FRAMEBUFFER);
+ }
+ ::glReadBuffer (myReadBuffer);
+#else
+ (void )theReadBuffer;
+#endif
}
// =======================================================================
-// function : SetDrawBufferLeft
+// function : SetDrawBuffer
// purpose :
// =======================================================================
-void OpenGl_Context::SetDrawBufferLeft()
+void OpenGl_Context::SetDrawBuffer (const Standard_Integer theDrawBuffer)
{
#if !defined(GL_ES_VERSION_2_0)
- switch (myDrawBuffer)
+ const Standard_Integer aDrawBuffer = !myIsStereoBuffers ? stereoToMonoBuffer (theDrawBuffer) : theDrawBuffer;
+ if (aDrawBuffer < GL_COLOR_ATTACHMENT0
+ && arbFBO != NULL)
{
- case GL_BACK_RIGHT :
- case GL_BACK :
- glDrawBuffer (GL_BACK_LEFT);
- myDrawBuffer = GL_BACK_LEFT;
- break;
+ arbFBO->glBindFramebuffer (GL_FRAMEBUFFER, OpenGl_FrameBuffer::NO_FRAMEBUFFER);
+ }
+ ::glDrawBuffer (aDrawBuffer);
- case GL_FRONT_RIGHT :
- case GL_FRONT :
- glDrawBuffer (GL_FRONT_LEFT);
- myDrawBuffer = GL_FRONT_LEFT;
- break;
+ myDrawBuffers.Clear();
- case GL_FRONT_AND_BACK :
- case GL_RIGHT :
- glDrawBuffer (GL_LEFT);
- myDrawBuffer = GL_LEFT;
- break;
+ if (aDrawBuffer != GL_NONE)
+ {
+ myDrawBuffers.SetValue (0, aDrawBuffer);
}
+#else
+ (void )theDrawBuffer;
#endif
}
// =======================================================================
-// function : SetDrawBufferRight
+// function : SetDrawBuffers
// purpose :
// =======================================================================
-void OpenGl_Context::SetDrawBufferRight()
+void OpenGl_Context::SetDrawBuffers (const Standard_Integer theNb, const Standard_Integer* theDrawBuffers)
{
-#if !defined(GL_ES_VERSION_2_0)
- switch (myDrawBuffer)
- {
- case GL_BACK_LEFT :
- case GL_BACK :
- glDrawBuffer (GL_BACK_RIGHT);
- myDrawBuffer = GL_BACK_RIGHT;
- break;
+ Standard_ASSERT_RETURN (hasDrawBuffers, "Multiple draw buffers feature is not supported by the context", Standard_ASSERT_DO_NOTHING());
- case GL_FRONT_LEFT :
- case GL_FRONT :
- glDrawBuffer (GL_FRONT_RIGHT);
- myDrawBuffer = GL_FRONT_RIGHT;
- break;
+ myDrawBuffers.Clear();
- case GL_FRONT_AND_BACK :
- case GL_LEFT :
- glDrawBuffer (GL_RIGHT);
- myDrawBuffer = GL_RIGHT;
- break;
+ Standard_Boolean useDefaultFbo = Standard_False;
+ for (Standard_Integer anI = 0; anI < theNb; ++anI)
+ {
+ if (theDrawBuffers[anI] < GL_COLOR_ATTACHMENT0 && theDrawBuffers[anI] != GL_NONE)
+ {
+ useDefaultFbo = Standard_True;
+ }
+ else if (theDrawBuffers[anI] != GL_NONE)
+ {
+ myDrawBuffers.SetValue (anI, theDrawBuffers[anI]);
+ }
}
-#endif
+ if (arbFBO != NULL && useDefaultFbo)
+ {
+ arbFBO->glBindFramebuffer (GL_FRAMEBUFFER, OpenGl_FrameBuffer::NO_FRAMEBUFFER);
+ }
+
+ myFuncs->glDrawBuffers (theNb, (const GLenum*)theDrawBuffers);
}
// =======================================================================
-// function : SetDrawBufferMono
+// function : SetCullBackFaces
// purpose :
// =======================================================================
-void OpenGl_Context::SetDrawBufferMono()
+void OpenGl_Context::SetCullBackFaces (bool theToEnable)
{
-#if !defined(GL_ES_VERSION_2_0)
- switch (myDrawBuffer)
+ if (myToCullBackFaces == theToEnable)
{
- case GL_BACK_LEFT :
- case GL_BACK_RIGHT :
- glDrawBuffer (GL_BACK);
- myDrawBuffer = GL_BACK;
- break;
-
- case GL_FRONT_LEFT :
- case GL_FRONT_RIGHT :
- glDrawBuffer (GL_FRONT);
- myDrawBuffer = GL_FRONT;
- break;
+ return;
+ }
- case GL_LEFT :
- case GL_RIGHT :
- glDrawBuffer (GL_FRONT_AND_BACK);
- myDrawBuffer = GL_FRONT_AND_BACK;
- break;
+ myToCullBackFaces = theToEnable;
+ if (theToEnable)
+ {
+ //glCullFace (GL_BACK); GL_BACK by default
+ core11fwd->glEnable (GL_CULL_FACE);
+ }
+ else
+ {
+ core11fwd->glDisable (GL_CULL_FACE);
}
-#endif
}
// =======================================================================
{
#if !defined(GL_ES_VERSION_2_0)
// cache feedback mode state
- glGetIntegerv (GL_RENDER_MODE, &myRenderMode);
+ if (core11 != NULL)
+ {
+ ::glGetIntegerv (GL_RENDER_MODE, &myRenderMode);
+ }
+
+ // cache read buffers state
+ ::glGetIntegerv (GL_READ_BUFFER, &myReadBuffer);
+
+ // cache draw buffers state
+ myDrawBuffers.Clear();
- // cache draw buffer state
- glGetIntegerv (GL_DRAW_BUFFER, &myDrawBuffer);
+ if (myMaxDrawBuffers == 1)
+ {
+ Standard_Integer aDrawBuffer;
+
+ ::glGetIntegerv (GL_DRAW_BUFFER, &aDrawBuffer);
+
+ if (aDrawBuffer != GL_NONE)
+ {
+ myDrawBuffers.SetValue (0, aDrawBuffer);
+ }
+ }
+ else
+ {
+ Standard_Integer aDrawBuffer;
+
+ for (Standard_Integer anI = 0; anI < myMaxDrawBuffers; ++anI)
+ {
+ ::glGetIntegerv (GL_DRAW_BUFFER0 + anI, &aDrawBuffer);
+
+ if (aDrawBuffer != GL_NONE)
+ {
+ myDrawBuffers.SetValue (anI, aDrawBuffer);
+ }
+ }
+ }
#endif
}
if (eglMakeCurrent ((EGLDisplay )myDisplay, (EGLSurface )myWindow, (EGLSurface )myWindow, (EGLContext )myGContext) != EGL_TRUE)
{
// if there is no current context it might be impossible to use glGetError() correctly
- PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB, GL_DEBUG_TYPE_ERROR_ARB, 0, GL_DEBUG_SEVERITY_HIGH_ARB,
+ PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH,
"eglMakeCurrent() has failed!");
myIsInitialized = Standard_False;
return Standard_False;
aMsg += (Standard_ExtString )aMsgBuff;
LocalFree (aMsgBuff);
}
- PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB, GL_DEBUG_TYPE_ERROR_ARB, (unsigned int )anErrorCode, GL_DEBUG_SEVERITY_HIGH_ARB, aMsg);
+ PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM, GL_DEBUG_TYPE_ERROR, (unsigned int )anErrorCode, GL_DEBUG_SEVERITY_HIGH, aMsg);
myIsInitialized = Standard_False;
return Standard_False;
}
if (!glXMakeCurrent ((Display* )myDisplay, (GLXDrawable )myWindow, (GLXContext )myGContext))
{
// if there is no current context it might be impossible to use glGetError() correctly
- PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB, GL_DEBUG_TYPE_ERROR_ARB, 0, GL_DEBUG_SEVERITY_HIGH_ARB,
+ PushMessage (GL_DEBUG_SOURCE_WINDOW_SYSTEM, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH,
"glXMakeCurrent() has failed!");
myIsInitialized = Standard_False;
return Standard_False;
#endif // __APPLE__
+// =======================================================================
+// function : SetSwapInterval
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_Context::SetSwapInterval (const Standard_Integer theInterval)
+{
+#if defined(HAVE_EGL)
+ if (::eglSwapInterval ((EGLDisplay )myDisplay, theInterval) == EGL_TRUE)
+ {
+ return Standard_True;
+ }
+#elif defined(_WIN32)
+ if (myFuncs->wglSwapIntervalEXT != NULL)
+ {
+ myFuncs->wglSwapIntervalEXT (theInterval);
+ return Standard_True;
+ }
+#elif defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+ //
+#elif defined(__APPLE__)
+ if (::CGLSetParameter (CGLGetCurrentContext(), kCGLCPSwapInterval, &theInterval) == kCGLNoError)
+ {
+ return Standard_True;
+ }
+#else
+ if (theInterval == -1
+ && myFuncs->glXSwapIntervalEXT != NULL)
+ {
+ typedef int (*glXSwapIntervalEXT_t_x)(Display* theDisplay, GLXDrawable theDrawable, int theInterval);
+ glXSwapIntervalEXT_t_x aFuncPtr = (glXSwapIntervalEXT_t_x )myFuncs->glXSwapIntervalEXT;
+ aFuncPtr ((Display* )myDisplay, (GLXDrawable )myWindow, theInterval);
+ return Standard_True;
+ }
+ else if (myFuncs->glXSwapIntervalSGI != NULL)
+ {
+ myFuncs->glXSwapIntervalSGI (theInterval);
+ return Standard_True;
+ }
+#endif
+ return Standard_False;
+}
+
// =======================================================================
// function : findProc
// purpose :
#if defined(HAVE_EGL)
return (void* )eglGetProcAddress (theFuncName);
#elif defined(_WIN32)
- return wglGetProcAddress (theFuncName);
+ return (void* )wglGetProcAddress (theFuncName);
#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
return (myGlLibHandle != NULL) ? dlsym (myGlLibHandle, theFuncName) : NULL;
#else
{
if (theExtName == NULL)
{
-#ifdef OPENGL_DEB
+#ifdef OCCT_DEBUG
std::cerr << "CheckExtension called with NULL string!\n";
#endif
return Standard_False;
}
+#if !defined(GL_ES_VERSION_2_0)
// available since OpenGL 3.0
// and the ONLY way to check extensions with OpenGL 3.1+ core profile
- /**if (IsGlGreaterEqual (3, 0))
+ if (IsGlGreaterEqual (3, 0)
+ && myFuncs->glGetStringi != NULL)
{
GLint anExtNb = 0;
- glGetIntegerv (GL_NUM_EXTENSIONS, &anExtNb);
+ ::glGetIntegerv (GL_NUM_EXTENSIONS, &anExtNb);
+ const size_t anExtNameLen = strlen (theExtName);
for (GLint anIter = 0; anIter < anExtNb; ++anIter)
{
- const char* anExtension = (const char* )core30->glGetStringi (GL_EXTENSIONS, (GLuint )anIter);
- if (anExtension[anExtNameLen] == '\0' &&
- strncmp (anExtension, theExtName, anExtNameLen) == 0)
+ const char* anExtension = (const char* )myFuncs->glGetStringi (GL_EXTENSIONS, (GLuint )anIter);
+ const size_t aTestExtNameLen = strlen (anExtension);
+ if (aTestExtNameLen == anExtNameLen
+ && strncmp (anExtension, theExtName, anExtNameLen) == 0)
{
return Standard_True;
}
}
return Standard_False;
- }*/
+ }
+#endif
// use old way with huge string for all extensions
const char* anExtString = (const char* )glGetString (GL_EXTENSIONS);
// function : Init
// purpose :
// =======================================================================
-Standard_Boolean OpenGl_Context::Init()
+Standard_Boolean OpenGl_Context::Init (const Standard_Boolean theIsCoreProfile)
{
if (myIsInitialized)
{
return Standard_False;
}
- init();
+ init (theIsCoreProfile);
myIsInitialized = Standard_True;
return Standard_True;
}
#if defined(HAVE_EGL)
Standard_Boolean OpenGl_Context::Init (const Aspect_Drawable theEglSurface,
const Aspect_Display theEglDisplay,
- const Aspect_RenderingContext theEglContext)
+ const Aspect_RenderingContext theEglContext,
+ const Standard_Boolean theIsCoreProfile)
#elif defined(_WIN32)
Standard_Boolean OpenGl_Context::Init (const Aspect_Handle theWindow,
const Aspect_Handle theWindowDC,
- const Aspect_RenderingContext theGContext)
+ const Aspect_RenderingContext theGContext,
+ const Standard_Boolean theIsCoreProfile)
#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
-Standard_Boolean OpenGl_Context::Init (const void* theGContext)
+
+#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+Standard_Boolean OpenGl_Context::Init (EAGLContext* theGContext,
+ const Standard_Boolean theIsCoreProfile)
+#else
+Standard_Boolean OpenGl_Context::Init (NSOpenGLContext* theGContext,
+ const Standard_Boolean theIsCoreProfile)
+#endif
+
#else
Standard_Boolean OpenGl_Context::Init (const Aspect_Drawable theWindow,
const Aspect_Display theDisplay,
- const Aspect_RenderingContext theGContext)
+ const Aspect_RenderingContext theGContext,
+ const Standard_Boolean theIsCoreProfile)
#endif
{
Standard_ProgramError_Raise_if (myIsInitialized, "OpenGl_Context::Init() should be called only once!");
myGContext = theGContext;
myWindowDC = theWindowDC;
#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
- myGContext = (void* )theGContext;
+ myGContext = theGContext;
#else
myWindow = theWindow;
myGContext = theGContext;
return Standard_False;
}
- init();
+ init (theIsCoreProfile);
myIsInitialized = Standard_True;
return Standard_True;
}
// function : ResetErrors
// purpose :
// =======================================================================
-void OpenGl_Context::ResetErrors()
+bool OpenGl_Context::ResetErrors (const bool theToPrintErrors)
{
- while (glGetError() != GL_NO_ERROR)
+ int aPrevErr = 0;
+ int anErr = ::glGetError();
+ const bool hasError = anErr != GL_NO_ERROR;
+ if (!theToPrintErrors)
{
- //
+ for (; anErr != GL_NO_ERROR && aPrevErr != anErr; aPrevErr = anErr, anErr = ::glGetError())
+ {
+ //
+ }
+ return hasError;
+ }
+
+ for (; anErr != GL_NO_ERROR && aPrevErr != anErr; aPrevErr = anErr, anErr = ::glGetError())
+ {
+ TCollection_ExtendedString anErrId;
+ switch (anErr)
+ {
+ case GL_INVALID_ENUM: anErrId = "GL_INVALID_ENUM"; break;
+ case GL_INVALID_VALUE: anErrId = "GL_INVALID_VALUE"; break;
+ case GL_INVALID_OPERATION: anErrId = "GL_INVALID_OPERATION"; break;
+ #ifdef GL_STACK_OVERFLOW
+ case GL_STACK_OVERFLOW: anErrId = "GL_STACK_OVERFLOW"; break;
+ case GL_STACK_UNDERFLOW: anErrId = "GL_STACK_UNDERFLOW"; break;
+ #endif
+ case GL_OUT_OF_MEMORY: anErrId = "GL_OUT_OF_MEMORY"; break;
+ case GL_INVALID_FRAMEBUFFER_OPERATION:
+ anErrId = "GL_INVALID_FRAMEBUFFER_OPERATION";
+ break;
+ default:
+ anErrId = TCollection_ExtendedString("#") + anErr;
+ break;
+ }
+
+ const TCollection_ExtendedString aMsg = TCollection_ExtendedString ("Unhandled GL error: ") + anErrId;
+ PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_OTHER, 0, GL_DEBUG_SEVERITY_LOW, aMsg);
}
+ return hasError;
}
// =======================================================================
-// function : readGlVersion
+// function : ReadGlVersion
// purpose :
// =======================================================================
-void OpenGl_Context::readGlVersion()
+void OpenGl_Context::ReadGlVersion (Standard_Integer& theGlVerMajor,
+ Standard_Integer& theGlVerMinor)
{
// reset values
- myGlVerMajor = 0;
- myGlVerMinor = 0;
+ theGlVerMajor = 0;
+ theGlVerMinor = 0;
#ifdef GL_MAJOR_VERSION
// available since OpenGL 3.0 and OpenGL 3.0 ES
// This happens on some renderers like e.g. Cygwin MESA.
// Thus checking additionally if GL has put anything to
// the output variables.
- if (glGetError() == GL_NO_ERROR && aMajor != 0 && aMinor != 0)
+ if (::glGetError() == GL_NO_ERROR && aMajor != 0 && aMinor != 0)
{
- myGlVerMajor = aMajor;
- myGlVerMinor = aMinor;
+ theGlVerMajor = aMajor;
+ theGlVerMinor = aMinor;
return;
}
- ResetErrors();
+ for (GLenum anErr = ::glGetError(), aPrevErr = GL_NO_ERROR;; aPrevErr = anErr, anErr = ::glGetError())
+ {
+ if (anErr == GL_NO_ERROR
+ || anErr == aPrevErr)
+ {
+ break;
+ }
+ }
#endif
// Read version string.
aMinorStr[aMinIter] = '\0';
// read numbers
- myGlVerMajor = atoi (aMajorStr);
- myGlVerMinor = atoi (aMinorStr);
+ theGlVerMajor = atoi (aMajorStr);
+ theGlVerMinor = atoi (aMinorStr);
- if (myGlVerMajor <= 0)
+ if (theGlVerMajor <= 0)
{
- myGlVerMajor = 0;
- myGlVerMinor = 0;
+ theGlVerMajor = 0;
+ theGlVerMinor = 0;
}
}
static Standard_CString THE_DBGMSG_UNKNOWN = "UNKNOWN";
static Standard_CString THE_DBGMSG_SOURCES[] =
{
- ".OpenGL", // GL_DEBUG_SOURCE_API_ARB
- ".WinSystem", // GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB
- ".GLSL", // GL_DEBUG_SOURCE_SHADER_COMPILER_ARB
- ".3rdParty", // GL_DEBUG_SOURCE_THIRD_PARTY_ARB
- "", // GL_DEBUG_SOURCE_APPLICATION_ARB
- ".Other" // GL_DEBUG_SOURCE_OTHER_ARB
+ ".OpenGL", // GL_DEBUG_SOURCE_API
+ ".WinSystem", // GL_DEBUG_SOURCE_WINDOW_SYSTEM
+ ".GLSL", // GL_DEBUG_SOURCE_SHADER_COMPILER
+ ".3rdParty", // GL_DEBUG_SOURCE_THIRD_PARTY
+ "", // GL_DEBUG_SOURCE_APPLICATION
+ ".Other" // GL_DEBUG_SOURCE_OTHER
};
static Standard_CString THE_DBGMSG_TYPES[] =
{
- "Error", // GL_DEBUG_TYPE_ERROR_ARB
- "Deprecated", // GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB
- "Undef. behavior", // GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB
- "Portability", // GL_DEBUG_TYPE_PORTABILITY_ARB
- "Performance", // GL_DEBUG_TYPE_PERFORMANCE_ARB
- "Other" // GL_DEBUG_TYPE_OTHER_ARB
+ "Error", // GL_DEBUG_TYPE_ERROR
+ "Deprecated", // GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR
+ "Undef. behavior", // GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR
+ "Portability", // GL_DEBUG_TYPE_PORTABILITY
+ "Performance", // GL_DEBUG_TYPE_PERFORMANCE
+ "Other" // GL_DEBUG_TYPE_OTHER
};
-static Standard_CString THE_DBGMSG_SEV_HIGH = "High"; // GL_DEBUG_SEVERITY_HIGH_ARB
-static Standard_CString THE_DBGMSG_SEV_MEDIUM = "Medium"; // GL_DEBUG_SEVERITY_MEDIUM_ARB
-static Standard_CString THE_DBGMSG_SEV_LOW = "Low"; // GL_DEBUG_SEVERITY_LOW_ARB
+static Standard_CString THE_DBGMSG_SEV_HIGH = "High"; // GL_DEBUG_SEVERITY_HIGH
+static Standard_CString THE_DBGMSG_SEV_MEDIUM = "Medium"; // GL_DEBUG_SEVERITY_MEDIUM
+static Standard_CString THE_DBGMSG_SEV_LOW = "Low"; // GL_DEBUG_SEVERITY_LOW
-#if !defined(GL_ES_VERSION_2_0)
//! Callback for GL_ARB_debug_output extension
static void APIENTRY debugCallbackWrap(unsigned int theSource,
unsigned int theType,
OpenGl_Context* aCtx = (OpenGl_Context* )theUserParam;
aCtx->PushMessage (theSource, theType, theId, theSeverity, theMessage);
}
-#endif
// =======================================================================
// function : PushMessage
const unsigned int theSeverity,
const TCollection_ExtendedString& theMessage)
{
- //OpenGl_Context* aCtx = (OpenGl_Context* )theUserParam;
- Standard_CString& aSrc = (theSource >= GL_DEBUG_SOURCE_API_ARB
- && theSource <= GL_DEBUG_SOURCE_OTHER_ARB)
- ? THE_DBGMSG_SOURCES[theSource - GL_DEBUG_SOURCE_API_ARB]
+ if (caps->suppressExtraMsg
+ && theSource >= GL_DEBUG_SOURCE_API
+ && theSource <= GL_DEBUG_SOURCE_OTHER
+ && myFilters[theSource - GL_DEBUG_SOURCE_API].Contains (theId))
+ {
+ return;
+ }
+
+ Standard_CString& aSrc = (theSource >= GL_DEBUG_SOURCE_API
+ && theSource <= GL_DEBUG_SOURCE_OTHER)
+ ? THE_DBGMSG_SOURCES[theSource - GL_DEBUG_SOURCE_API]
: THE_DBGMSG_UNKNOWN;
- Standard_CString& aType = (theType >= GL_DEBUG_TYPE_ERROR_ARB
- && theType <= GL_DEBUG_TYPE_OTHER_ARB)
- ? THE_DBGMSG_TYPES[theType - GL_DEBUG_TYPE_ERROR_ARB]
+ Standard_CString& aType = (theType >= GL_DEBUG_TYPE_ERROR
+ && theType <= GL_DEBUG_TYPE_OTHER)
+ ? THE_DBGMSG_TYPES[theType - GL_DEBUG_TYPE_ERROR]
: THE_DBGMSG_UNKNOWN;
- Standard_CString& aSev = theSeverity == GL_DEBUG_SEVERITY_HIGH_ARB
+ Standard_CString& aSev = theSeverity == GL_DEBUG_SEVERITY_HIGH
? THE_DBGMSG_SEV_HIGH
- : (theSeverity == GL_DEBUG_SEVERITY_MEDIUM_ARB
+ : (theSeverity == GL_DEBUG_SEVERITY_MEDIUM
? THE_DBGMSG_SEV_MEDIUM
: THE_DBGMSG_SEV_LOW);
- Message_Gravity aGrav = theSeverity == GL_DEBUG_SEVERITY_HIGH_ARB
+ Message_Gravity aGrav = theSeverity == GL_DEBUG_SEVERITY_HIGH
? Message_Alarm
- : (theSeverity == GL_DEBUG_SEVERITY_MEDIUM_ARB
+ : (theSeverity == GL_DEBUG_SEVERITY_MEDIUM
? Message_Warning
: Message_Info);
Messenger()->Send (aMsg, aGrav);
}
+// =======================================================================
+// function : ExcludeMessage
+// purpose :
+// ======================================================================
+Standard_Boolean OpenGl_Context::ExcludeMessage (const unsigned int theSource,
+ const unsigned int theId)
+{
+ return theSource >= GL_DEBUG_SOURCE_API
+ && theSource <= GL_DEBUG_SOURCE_OTHER
+ && myFilters[theSource - GL_DEBUG_SOURCE_API].Add (theId);
+}
+
+// =======================================================================
+// function : IncludeMessage
+// purpose :
+// ======================================================================
+Standard_Boolean OpenGl_Context::IncludeMessage (const unsigned int theSource,
+ const unsigned int theId)
+{
+ return theSource >= GL_DEBUG_SOURCE_API
+ && theSource <= GL_DEBUG_SOURCE_OTHER
+ && myFilters[theSource - GL_DEBUG_SOURCE_API].Remove (theId);
+}
+
+// =======================================================================
+// function : checkWrongVersion
+// purpose :
+// ======================================================================
+void OpenGl_Context::checkWrongVersion (const Standard_Integer theGlVerMajor,
+ const Standard_Integer theGlVerMinor)
+{
+ if (!IsGlGreaterEqual (theGlVerMajor, theGlVerMinor))
+ {
+ return;
+ }
+
+ TCollection_ExtendedString aMsg = TCollection_ExtendedString()
+ + "Error! OpenGL context reports version "
+ + myGlVerMajor + "." + myGlVerMinor
+ + " but does not export required functions for "
+ + theGlVerMajor + "." + theGlVerMinor;
+ PushMessage (GL_DEBUG_SOURCE_APPLICATION,
+ GL_DEBUG_TYPE_ERROR,
+ 0,
+ GL_DEBUG_SEVERITY_HIGH,
+ aMsg);
+}
+
// =======================================================================
// function : init
// purpose :
// =======================================================================
-void OpenGl_Context::init()
+void OpenGl_Context::init (const Standard_Boolean theIsCoreProfile)
{
// read version
- readGlVersion();
+ myGlVerMajor = 0;
+ myGlVerMinor = 0;
+ myMaxMsaaSamples = 0;
+ myMaxDrawBuffers = 1;
+ myMaxColorAttachments = 1;
+ ReadGlVersion (myGlVerMajor, myGlVerMinor);
+ myVendor = (const char* )::glGetString (GL_VENDOR);
+ if (!caps->ffpEnable
+ && !IsGlGreaterEqual (2, 0))
+ {
+ caps->ffpEnable = true;
+ TCollection_ExtendedString aMsg =
+ TCollection_ExtendedString("OpenGL driver is too old! Context info:\n")
+ + " Vendor: " + (const char* )::glGetString (GL_VENDOR) + "\n"
+ + " Renderer: " + (const char* )::glGetString (GL_RENDERER) + "\n"
+ + " Version: " + (const char* )::glGetString (GL_VERSION) + "\n"
+ + " Fallback using deprecated fixed-function pipeline.\n"
+ + " Visualization might work incorrectly.\n"
+ " Consider upgrading the graphics driver.";
+ PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_HIGH, aMsg);
+ }
- core11 = (OpenGl_GlCore11* )(&(*myFuncs));
+#if defined(GL_ES_VERSION_2_0)
+ (void )theIsCoreProfile;
+ const bool isCoreProfile = false;
+#else
+
+ if (myVendor.Search ("NVIDIA") != -1)
+ {
+ // Buffer detailed info: Buffer object 1 (bound to GL_ARRAY_BUFFER_ARB, usage hint is GL_STATIC_DRAW)
+ // will use VIDEO memory as the source for buffer object operations.
+ ExcludeMessage (GL_DEBUG_SOURCE_API, 131185);
+ }
+ if (IsGlGreaterEqual (3, 0))
+ {
+ // retrieve auxiliary function in advance
+ FindProc ("glGetStringi", myFuncs->glGetStringi);
+ }
+
+ bool isCoreProfile = false;
+ if (IsGlGreaterEqual (3, 2))
+ {
+ isCoreProfile = (theIsCoreProfile == Standard_True);
+
+ // detect Core profile
+ if (!isCoreProfile)
+ {
+ GLint aProfile = 0;
+ ::glGetIntegerv (GL_CONTEXT_PROFILE_MASK, &aProfile);
+ isCoreProfile = (aProfile & GL_CONTEXT_CORE_PROFILE_BIT) != 0;
+ }
+ }
+#endif
+
+ core11 = NULL;
+ if (!isCoreProfile)
+ {
+ core11 = (OpenGl_GlCore11* )(&(*myFuncs));
+ }
core11fwd = (OpenGl_GlCore11Fwd* )(&(*myFuncs));
core15 = NULL;
core15fwd = NULL;
arbIns = NULL;
arbDbg = NULL;
arbFBO = NULL;
+ arbFBOBlit = NULL;
extGS = NULL;
+ myDefaultVao = 0;
+
+ //! Make record shorter to retrieve function pointer using variable with same name
+ #define FindProcShort(theFunc) FindProc(#theFunc, myFuncs->theFunc)
#if defined(GL_ES_VERSION_2_0)
|| CheckExtension ("GL_EXT_texture_rg");
extBgra = CheckExtension ("GL_EXT_texture_format_BGRA8888");
extAnis = CheckExtension ("GL_EXT_texture_filter_anisotropic");
- extPDS = CheckExtension ("GL_OES_packed_depth_stencil");
+ extPDS = IsGlGreaterEqual (3, 0)
+ || CheckExtension ("GL_OES_packed_depth_stencil");
core11fwd = (OpenGl_GlCore11Fwd* )(&(*myFuncs));
if (IsGlGreaterEqual (2, 0))
core20 = (OpenGl_GlCore20* )(&(*myFuncs));
core20fwd = (OpenGl_GlCore20Fwd* )(&(*myFuncs));
core15fwd = (OpenGl_GlCore15Fwd* )(&(*myFuncs));
- arbFBO = (OpenGl_ArbFBO* )(&(*myFuncs));
- }
-
- hasHighp = CheckExtension ("OES_fragment_precision_high");
+ arbFBO = (OpenGl_ArbFBO* )(&(*myFuncs));
+ }
+ if (IsGlGreaterEqual (3, 0)
+ && FindProcShort (glBlitFramebuffer))
+ {
+ arbFBOBlit = (OpenGl_ArbFBOBlit* )(&(*myFuncs));
+ }
+ if (IsGlGreaterEqual (3, 0)
+ && FindProcShort (glGenSamplers)
+ && FindProcShort (glDeleteSamplers)
+ && FindProcShort (glIsSampler)
+ && FindProcShort (glBindSampler)
+ && FindProcShort (glSamplerParameteri)
+ && FindProcShort (glSamplerParameteriv)
+ && FindProcShort (glSamplerParameterf)
+ && FindProcShort (glSamplerParameterfv)
+ && FindProcShort (glGetSamplerParameteriv)
+ && FindProcShort (glGetSamplerParameterfv))
+ //&& FindProcShort (glSamplerParameterIiv) // only on Desktop or with extensions GL_OES_texture_border_clamp/GL_EXT_texture_border_clamp
+ //&& FindProcShort (glSamplerParameterIuiv)
+ //&& FindProcShort (glGetSamplerParameterIiv)
+ //&& FindProcShort (glGetSamplerParameterIuiv))
+ {
+ arbSamplerObject = (OpenGl_ArbSamplerObject* )(&(*myFuncs));
+ }
+ extFragDepth = !IsGlGreaterEqual(3, 0)
+ && CheckExtension ("GL_EXT_frag_depth");
+ if (IsGlGreaterEqual (3, 1)
+ && FindProc ("glTexStorage2DMultisample", myFuncs->glTexStorage2DMultisample))
+ {
+ // MSAA RenderBuffers have been defined in OpenGL ES 3.0,
+ // but MSAA Textures - only in OpenGL ES 3.1+
+ ::glGetIntegerv (GL_MAX_SAMPLES, &myMaxMsaaSamples);
+ }
+
+ hasUintIndex = IsGlGreaterEqual (3, 0)
+ || CheckExtension ("GL_OES_element_index_uint");
+ hasHighp = CheckExtension ("GL_OES_fragment_precision_high");
GLint aRange[2] = {0, 0};
- GLint aPrec [2] = {0, 0};
- ::glGetShaderPrecisionFormat (GL_FRAGMENT_SHADER, GL_HIGH_FLOAT, aRange, aPrec);
- if (aPrec[1] != 0)
+ GLint aPrec = 0;
+ ::glGetShaderPrecisionFormat (GL_FRAGMENT_SHADER, GL_HIGH_FLOAT, aRange, &aPrec);
+ if (aPrec != 0)
{
hasHighp = Standard_True;
}
+
+ arbTexFloat = IsGlGreaterEqual (3, 0)
+ && FindProc ("glTexImage3D", myFuncs->glTexImage3D);
+
+ const Standard_Boolean hasTexBuffer32 = IsGlGreaterEqual (3, 2) && FindProc ("glTexBuffer", myFuncs->glTexBuffer);
+ const Standard_Boolean hasExtTexBuffer = CheckExtension ("GL_EXT_texture_buffer") && FindProc ("glTexBufferEXT", myFuncs->glTexBuffer);
+
+ if (hasTexBuffer32 || hasExtTexBuffer)
+ {
+ arbTBO = reinterpret_cast<OpenGl_ArbTBO*> (myFuncs.get());
+ }
+
+ // initialize debug context extension
+ if (CheckExtension ("GL_KHR_debug"))
+ {
+ // this functionality become a part of OpenGL ES 3.2
+ arbDbg = NULL;
+ // According to GL_KHR_debug spec, all functions should have KHR suffix.
+ // However, some implementations can export these functions without suffix.
+ if (FindProc ("glDebugMessageControlKHR", myFuncs->glDebugMessageControl)
+ && FindProc ("glDebugMessageInsertKHR", myFuncs->glDebugMessageInsert)
+ && FindProc ("glDebugMessageCallbackKHR", myFuncs->glDebugMessageCallback)
+ && FindProc ("glGetDebugMessageLogKHR", myFuncs->glGetDebugMessageLog))
+ {
+ arbDbg = (OpenGl_ArbDbg* )(&(*myFuncs));
+ }
+
+ if (arbDbg != NULL
+ && caps->contextDebug)
+ {
+ // setup default callback
+ myIsGlDebugCtx = Standard_True;
+ arbDbg->glDebugMessageCallback (debugCallbackWrap, this);
+ ::glEnable (GL_DEBUG_OUTPUT);
+ if (caps->contextSyncDebug)
+ {
+ // note that some broken implementations (e.g. simulators) might generate error message on this call
+ ::glEnable (GL_DEBUG_OUTPUT_SYNCHRONOUS);
+ }
+ }
+ }
+
+ extDrawBuffers = CheckExtension ("GL_EXT_draw_buffers") && FindProc ("glDrawBuffersEXT", myFuncs->glDrawBuffers);
+ arbDrawBuffers = CheckExtension ("GL_ARB_draw_buffers") && FindProc ("glDrawBuffersARB", myFuncs->glDrawBuffers);
+
+ if (IsGlGreaterEqual (3, 0) && FindProc ("glDrawBuffers", myFuncs->glDrawBuffers))
+ {
+ hasDrawBuffers = OpenGl_FeatureInCore;
+ }
+ else if (extDrawBuffers || arbDrawBuffers)
+ {
+ hasDrawBuffers = OpenGl_FeatureInExtensions;
+ }
+
+ hasFloatBuffer = IsGlGreaterEqual (3, 2) ? OpenGl_FeatureInCore :
+ CheckExtension ("GL_EXT_color_buffer_float") ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
+ hasHalfFloatBuffer = IsGlGreaterEqual (3, 2) ? OpenGl_FeatureInCore :
+ CheckExtension ("GL_EXT_color_buffer_half_float") ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
+
+ oesSampleVariables = CheckExtension ("GL_OES_sample_variables");
+ oesStdDerivatives = CheckExtension ("GL_OES_standard_derivatives");
+ hasSampleVariables = IsGlGreaterEqual (3, 2) ? OpenGl_FeatureInCore :
+ oesSampleVariables ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
#else
myTexClamp = IsGlGreaterEqual (1, 2) ? GL_CLAMP_TO_EDGE : GL_CLAMP;
hasTexRGBA8 = Standard_True;
- arbNPTW = CheckExtension ("GL_ARB_texture_non_power_of_two");
- extBgra = CheckExtension ("GL_EXT_bgra");
- extAnis = CheckExtension ("GL_EXT_texture_filter_anisotropic");
- extPDS = CheckExtension ("GL_EXT_packed_depth_stencil");
- atiMem = CheckExtension ("GL_ATI_meminfo");
- nvxMem = CheckExtension ("GL_NVX_gpu_memory_info");
+ arbDrawBuffers = CheckExtension ("GL_ARB_draw_buffers");
+ arbNPTW = CheckExtension ("GL_ARB_texture_non_power_of_two");
+ arbTexFloat = IsGlGreaterEqual (3, 0)
+ || CheckExtension ("GL_ARB_texture_float");
+ arbSampleShading = CheckExtension ("GL_ARB_sample_shading");
+ extBgra = CheckExtension ("GL_EXT_bgra");
+ extAnis = CheckExtension ("GL_EXT_texture_filter_anisotropic");
+ extPDS = CheckExtension ("GL_EXT_packed_depth_stencil");
+ atiMem = CheckExtension ("GL_ATI_meminfo");
+ nvxMem = CheckExtension ("GL_NVX_gpu_memory_info");
+
+ hasDrawBuffers = IsGlGreaterEqual (2, 0) ? OpenGl_FeatureInCore :
+ arbDrawBuffers ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
+
+ hasFloatBuffer = hasHalfFloatBuffer = IsGlGreaterEqual (3, 0) ? OpenGl_FeatureInCore :
+ CheckExtension ("GL_ARB_color_buffer_float") ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
+
+ hasSampleVariables = IsGlGreaterEqual (4, 0) ? OpenGl_FeatureInCore :
+ arbSampleShading ? OpenGl_FeatureInExtensions
+ : OpenGl_FeatureNotAvailable;
GLint aStereo = GL_FALSE;
glGetIntegerv (GL_STEREO, &aStereo);
glGetIntegerv (GL_MAX_CLIP_PLANES, &myMaxClipPlanes);
#endif
+ if (hasDrawBuffers)
+ {
+ glGetIntegerv (GL_MAX_DRAW_BUFFERS, &myMaxDrawBuffers);
+ glGetIntegerv (GL_MAX_COLOR_ATTACHMENTS, &myMaxColorAttachments);
+ }
+
glGetIntegerv (GL_MAX_TEXTURE_SIZE, &myMaxTexDim);
+ if (IsGlGreaterEqual (1, 5))
+ {
+ glGetIntegerv (GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &myMaxTexCombined);
+ }
if (extAnis)
{
bool has43 = false;
bool has44 = false;
- //! Make record shorter to retrieve function pointer using variable with same name
- #define FindProcShort(theFunc) FindProc(#theFunc, myFuncs->theFunc)
-
- // retrieve platform-dependent extensions
-#if defined(_WIN32) && !defined(HAVE_EGL)
+ // retrieve platform-dependent extensions
+#if defined(HAVE_EGL)
+ //
+#elif defined(_WIN32)
if (FindProcShort (wglGetExtensionsStringARB))
{
const char* aWglExts = myFuncs->wglGetExtensionsStringARB (wglGetCurrentDC());
FindProcShort (wglDXLockObjectsNV);
FindProcShort (wglDXUnlockObjectsNV);
}
- }
-#endif
-
- // initialize debug context extension
- if (CheckExtension ("GL_ARB_debug_output"))
- {
- arbDbg = NULL;
- if (FindProcShort (glDebugMessageControlARB)
- && FindProcShort (glDebugMessageInsertARB)
- && FindProcShort (glDebugMessageCallbackARB)
- && FindProcShort (glGetDebugMessageLogARB))
+ if (CheckExtension (aWglExts, "WGL_AMD_gpu_association"))
{
- arbDbg = (OpenGl_ArbDbg* )(&(*myFuncs));
+ FindProcShort (wglGetGPUIDsAMD);
+ FindProcShort (wglGetGPUInfoAMD);
+ FindProcShort (wglGetContextGPUIDAMD);
}
- if (arbDbg != NULL
- && caps->contextDebug)
+ }
+#elif defined(__APPLE__)
+ //
+#else
+ const char* aGlxExts = ::glXQueryExtensionsString ((Display* )myDisplay, DefaultScreen ((Display* )myDisplay));
+ if (CheckExtension (aGlxExts, "GLX_EXT_swap_control"))
{
- // setup default callback
- arbDbg->glDebugMessageCallbackARB (debugCallbackWrap, this);
- #ifdef DEB
- glEnable (GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
- #endif
+ FindProcShort (glXSwapIntervalEXT);
}
- }
+ if (CheckExtension (aGlxExts, "GLX_SGI_swap_control"))
+ {
+ FindProcShort (glXSwapIntervalSGI);
+ }
+ if (CheckExtension (aGlxExts, "GLX_MESA_query_renderer"))
+ {
+ FindProcShort (glXQueryRendererIntegerMESA);
+ FindProcShort (glXQueryCurrentRendererIntegerMESA);
+ FindProcShort (glXQueryRendererStringMESA);
+ FindProcShort (glXQueryCurrentRendererStringMESA);
+ }
+ //extSwapTear = CheckExtension (aGlxExts, "GLX_EXT_swap_control_tear");
+#endif
// load OpenGL 1.2 new functions
has12 = IsGlGreaterEqual (1, 2)
&& FindProcShort (glCompressedTexSubImage3D)
&& FindProcShort (glCompressedTexSubImage2D)
&& FindProcShort (glCompressedTexSubImage1D)
- && FindProcShort (glGetCompressedTexImage)
+ && FindProcShort (glGetCompressedTexImage);
+
+ if (!isCoreProfile)
+ {
+ has13 = has13
&& FindProcShort (glClientActiveTexture)
&& FindProcShort (glMultiTexCoord1d)
&& FindProcShort (glMultiTexCoord1dv)
&& FindProcShort (glLoadTransposeMatrixd)
&& FindProcShort (glMultTransposeMatrixf)
&& FindProcShort (glMultTransposeMatrixd);
+ }
// load OpenGL 1.4 new functions
has14 = IsGlGreaterEqual (1, 4)
&& FindProcShort (glGetSamplerParameterIiv)
&& FindProcShort (glGetSamplerParameterfv)
&& FindProcShort (glGetSamplerParameterIuiv);
+ if (hasSamplerObjects)
+ {
+ arbSamplerObject = (OpenGl_ArbSamplerObject* )(&(*myFuncs));
+ }
// load GL_ARB_timer_query (added to OpenGL 3.3 core)
const bool hasTimerQuery = (IsGlGreaterEqual (3, 3) || CheckExtension ("GL_ARB_timer_query"))
// load GL_ARB_vertex_type_2_10_10_10_rev (added to OpenGL 3.3 core)
const bool hasVertType21010101rev = (IsGlGreaterEqual (3, 3) || CheckExtension ("GL_ARB_vertex_type_2_10_10_10_rev"))
- && FindProcShort (glVertexP2ui)
+ && FindProcShort (glVertexAttribP1ui)
+ && FindProcShort (glVertexAttribP1uiv)
+ && FindProcShort (glVertexAttribP2ui)
+ && FindProcShort (glVertexAttribP2uiv)
+ && FindProcShort (glVertexAttribP3ui)
+ && FindProcShort (glVertexAttribP3uiv)
+ && FindProcShort (glVertexAttribP4ui)
+ && FindProcShort (glVertexAttribP4uiv);
+
+ if ( hasVertType21010101rev
+ && !isCoreProfile)
+ {
+ // load deprecated functions
+ const bool hasVertType21010101revExt =
+ FindProcShort (glVertexP2ui)
&& FindProcShort (glVertexP2uiv)
&& FindProcShort (glVertexP3ui)
&& FindProcShort (glVertexP3uiv)
&& FindProcShort (glColorP4ui)
&& FindProcShort (glColorP4uiv)
&& FindProcShort (glSecondaryColorP3ui)
- && FindProcShort (glSecondaryColorP3uiv)
- && FindProcShort (glVertexAttribP1ui)
- && FindProcShort (glVertexAttribP1uiv)
- && FindProcShort (glVertexAttribP2ui)
- && FindProcShort (glVertexAttribP2uiv)
- && FindProcShort (glVertexAttribP3ui)
- && FindProcShort (glVertexAttribP3uiv)
- && FindProcShort (glVertexAttribP4ui)
- && FindProcShort (glVertexAttribP4uiv);
+ && FindProcShort (glSecondaryColorP3uiv);
+ (void )hasVertType21010101revExt;
+ }
// load OpenGL 3.3 extra functions
has33 = IsGlGreaterEqual (3, 3)
const bool hasTextureStorage = (IsGlGreaterEqual (4, 2) || CheckExtension ("GL_ARB_texture_storage"))
&& FindProcShort (glTexStorage1D)
&& FindProcShort (glTexStorage2D)
- && FindProcShort (glTexStorage3D)
- && FindProcShort (glTextureStorage1DEXT)
- && FindProcShort (glTextureStorage2DEXT)
- && FindProcShort (glTextureStorage3DEXT);
+ && FindProcShort (glTexStorage3D);
has42 = IsGlGreaterEqual (4, 2)
&& hasBaseInstance
&& FindProcShort (glBindImageTextures)
&& FindProcShort (glBindVertexBuffers);
+ // initialize debug context extension
+ if (CheckExtension ("GL_ARB_debug_output"))
+ {
+ arbDbg = NULL;
+ if (has43)
+ {
+ arbDbg = (OpenGl_ArbDbg* )(&(*myFuncs));
+ }
+ else if (FindProc ("glDebugMessageControlARB", myFuncs->glDebugMessageControl)
+ && FindProc ("glDebugMessageInsertARB", myFuncs->glDebugMessageInsert)
+ && FindProc ("glDebugMessageCallbackARB", myFuncs->glDebugMessageCallback)
+ && FindProc ("glGetDebugMessageLogARB", myFuncs->glGetDebugMessageLog))
+ {
+ arbDbg = (OpenGl_ArbDbg* )(&(*myFuncs));
+ }
+
+ if (arbDbg != NULL
+ && caps->contextDebug)
+ {
+ // setup default callback
+ myIsGlDebugCtx = Standard_True;
+ arbDbg->glDebugMessageCallback (debugCallbackWrap, this);
+ if (has43)
+ {
+ ::glEnable (GL_DEBUG_OUTPUT);
+ }
+ if (caps->contextSyncDebug)
+ {
+ ::glEnable (GL_DEBUG_OUTPUT_SYNCHRONOUS);
+ }
+ }
+ }
+
// initialize TBO extension (ARB)
if (!has31
&& CheckExtension ("GL_ARB_texture_buffer_object")
// initialize FBO extension (ARB)
if (hasFBO)
{
- arbFBO = (OpenGl_ArbFBO* )(&(*myFuncs));
+ arbFBO = (OpenGl_ArbFBO* )(&(*myFuncs));
+ arbFBOBlit = (OpenGl_ArbFBOBlit* )(&(*myFuncs));
extPDS = Standard_True; // extension for EXT, but part of ARB
}
if (!has12)
{
+ checkWrongVersion (1, 2);
myGlVerMajor = 1;
myGlVerMinor = 1;
return;
}
else if (!has13)
{
+ checkWrongVersion (1, 3);
myGlVerMajor = 1;
myGlVerMinor = 2;
return;
}
else if (!has14)
{
+ checkWrongVersion (1, 4);
myGlVerMajor = 1;
myGlVerMinor = 3;
return;
}
else if (!has15)
{
+ checkWrongVersion (1, 5);
myGlVerMajor = 1;
myGlVerMinor = 4;
return;
}
- core15 = (OpenGl_GlCore15* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core15 = (OpenGl_GlCore15* )(&(*myFuncs));
+ }
core15fwd = (OpenGl_GlCore15Fwd* )(&(*myFuncs));
if (!has20)
{
+ checkWrongVersion (2, 0);
+ myGlVerMajor = 1;
+ myGlVerMinor = 5;
+ return;
+ }
+
+ const char* aGlslVer = (const char* )::glGetString (GL_SHADING_LANGUAGE_VERSION);
+ if (aGlslVer == NULL
+ || *aGlslVer == '\0')
+ {
+ // broken context has been detected
+ TCollection_ExtendedString aMsg = TCollection_ExtendedString()
+ + "Error! OpenGL context reports version "
+ + myGlVerMajor + "." + myGlVerMinor
+ + " but reports wrong GLSL version";
+ PushMessage (GL_DEBUG_SOURCE_APPLICATION,
+ GL_DEBUG_TYPE_ERROR,
+ 0,
+ GL_DEBUG_SEVERITY_HIGH,
+ aMsg);
myGlVerMajor = 1;
myGlVerMinor = 5;
return;
}
- core20 = (OpenGl_GlCore20* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core20 = (OpenGl_GlCore20* )(&(*myFuncs));
+ }
core20fwd = (OpenGl_GlCore20Fwd* )(&(*myFuncs));
if (!has21)
{
+ checkWrongVersion (2, 1);
myGlVerMajor = 2;
myGlVerMinor = 0;
return;
if (!has30)
{
+ checkWrongVersion (3, 0);
myGlVerMajor = 2;
myGlVerMinor = 1;
return;
}
+ // MSAA RenderBuffers have been defined in OpenGL 3.0,
+ // but MSAA Textures - only in OpenGL 3.2+
+ if (!has32
+ && CheckExtension ("GL_ARB_texture_multisample")
+ && FindProcShort (glTexImage2DMultisample))
+ {
+ GLint aNbColorSamples = 0, aNbDepthSamples = 0;
+ ::glGetIntegerv (GL_MAX_COLOR_TEXTURE_SAMPLES, &aNbColorSamples);
+ ::glGetIntegerv (GL_MAX_DEPTH_TEXTURE_SAMPLES, &aNbDepthSamples);
+ myMaxMsaaSamples = Min (aNbColorSamples, aNbDepthSamples);
+ }
+ if (!has43
+ && CheckExtension ("GL_ARB_texture_storage_multisample")
+ && FindProcShort (glTexStorage2DMultisample))
+ {
+ //
+ }
+
if (!has31)
{
+ checkWrongVersion (3, 1);
myGlVerMajor = 3;
myGlVerMinor = 0;
return;
arbTBO = (OpenGl_ArbTBO* )(&(*myFuncs));
arbIns = (OpenGl_ArbIns* )(&(*myFuncs));
+ // check whether ray tracing mode is supported
+ myHasRayTracing = has31
+ && arbTboRGB32
+ && arbFBOBlit != NULL;
+
+ // check whether textures in ray tracing mode are supported
+ myHasRayTracingTextures = myHasRayTracing
+ && arbTexBindless != NULL;
+
+ // check whether adaptive screen sampling in ray tracing mode is supported
+ myHasRayTracingAdaptiveSampling = myHasRayTracing
+ && has44
+ && CheckExtension ("GL_NV_shader_atomic_float");
+
if (!has32)
{
+ checkWrongVersion (3, 2);
myGlVerMajor = 3;
myGlVerMinor = 1;
return;
}
- core32 = (OpenGl_GlCore32* )(&(*myFuncs));
- core32back = (OpenGl_GlCore32Back* )(&(*myFuncs));
+ core32 = (OpenGl_GlCore32* )(&(*myFuncs));
+ if (isCoreProfile)
+ {
+ core32->glGenVertexArrays (1, &myDefaultVao);
+ }
+ else
+ {
+ core32back = (OpenGl_GlCore32Back* )(&(*myFuncs));
+ }
+ ::glGetIntegerv (GL_MAX_SAMPLES, &myMaxMsaaSamples);
if (!has33)
{
+ checkWrongVersion (3, 3);
myGlVerMajor = 3;
myGlVerMinor = 2;
return;
}
- core33 = (OpenGl_GlCore33* )(&(*myFuncs));
- core33back = (OpenGl_GlCore33Back* )(&(*myFuncs));
-
- // initialize sampler object
- myTexSampler = new OpenGl_Sampler();
- myTexSampler->Init (*this);
+ core33 = (OpenGl_GlCore33* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core33back = (OpenGl_GlCore33Back* )(&(*myFuncs));
+ }
if (!has40)
{
+ checkWrongVersion (4, 0);
myGlVerMajor = 3;
myGlVerMinor = 3;
return;
if (!has41)
{
+ checkWrongVersion (4, 1);
myGlVerMajor = 4;
myGlVerMinor = 0;
return;
}
- core41 = (OpenGl_GlCore41* )(&(*myFuncs));
- core41back = (OpenGl_GlCore41Back* )(&(*myFuncs));
+ core41 = (OpenGl_GlCore41* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core41back = (OpenGl_GlCore41Back* )(&(*myFuncs));
+ }
if(!has42)
{
+ checkWrongVersion (4, 2);
myGlVerMajor = 4;
myGlVerMinor = 1;
return;
}
- core42 = (OpenGl_GlCore42* )(&(*myFuncs));
- core42back = (OpenGl_GlCore42Back* )(&(*myFuncs));
+ core42 = (OpenGl_GlCore42* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core42back = (OpenGl_GlCore42Back* )(&(*myFuncs));
+ }
- if(!has43)
+ if (!has43)
{
+ checkWrongVersion (4, 3);
myGlVerMajor = 4;
myGlVerMinor = 2;
return;
}
- core43 = (OpenGl_GlCore43* )(&(*myFuncs));
- core43back = (OpenGl_GlCore43Back* )(&(*myFuncs));
+ core43 = (OpenGl_GlCore43* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core43back = (OpenGl_GlCore43Back* )(&(*myFuncs));
+ }
if (!has44)
{
+ checkWrongVersion (4, 4);
myGlVerMajor = 4;
myGlVerMinor = 3;
return;
}
- core44 = (OpenGl_GlCore44* )(&(*myFuncs));
- core44back = (OpenGl_GlCore44Back* )(&(*myFuncs));
+ core44 = (OpenGl_GlCore44* )(&(*myFuncs));
+ if (!isCoreProfile)
+ {
+ core44back = (OpenGl_GlCore44Back* )(&(*myFuncs));
+ }
#endif
}
// =======================================================================
TCollection_AsciiString OpenGl_Context::MemoryInfo() const
{
- TCollection_AsciiString anInfo;
+ TColStd_IndexedDataMapOfStringString aDict;
+ MemoryInfo (aDict);
+
+ TCollection_AsciiString aText;
+ for (TColStd_IndexedDataMapOfStringString::Iterator anIter (aDict); anIter.More(); anIter.Next())
+ {
+ if (!aText.IsEmpty())
+ {
+ aText += "\n";
+ }
+ aText += TCollection_AsciiString(" ") + anIter.Key() + ": " + anIter.Value();
+ }
+ return aText;
+}
+
+// =======================================================================
+// function : MemoryInfo
+// purpose :
+// =======================================================================
+void OpenGl_Context::MemoryInfo (TColStd_IndexedDataMapOfStringString& theDict) const
+{
+#if defined(GL_ES_VERSION_2_0)
+ (void )theDict;
+#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
+ GLint aGlRendId = 0;
+ CGLGetParameter (CGLGetCurrentContext(), kCGLCPCurrentRendererID, &aGlRendId);
+
+ CGLRendererInfoObj aRendObj = NULL;
+ CGOpenGLDisplayMask aDispMask = CGDisplayIDToOpenGLDisplayMask (kCGDirectMainDisplay);
+ GLint aRendNb = 0;
+ CGLQueryRendererInfo (aDispMask, &aRendObj, &aRendNb);
+ for (GLint aRendIter = 0; aRendIter < aRendNb; ++aRendIter)
+ {
+ GLint aRendId = 0;
+ if (CGLDescribeRenderer (aRendObj, aRendIter, kCGLRPRendererID, &aRendId) != kCGLNoError
+ || aRendId != aGlRendId)
+ {
+ continue;
+ }
+
+ //kCGLRPVideoMemoryMegabytes = 131;
+ //kCGLRPTextureMemoryMegabytes = 132;
+ GLint aVMem = 0;
+ #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
+ if (CGLDescribeRenderer(aRendObj, aRendIter, kCGLRPVideoMemoryMegabytes, &aVMem) == kCGLNoError)
+ {
+ addInfo (theDict, "GPU memory", TCollection_AsciiString() + aVMem + " MiB");
+ }
+ if (CGLDescribeRenderer(aRendObj, aRendIter, kCGLRPTextureMemoryMegabytes, &aVMem) == kCGLNoError)
+ {
+ addInfo (theDict, "GPU Texture memory", TCollection_AsciiString() + aVMem + " MiB");
+ }
+ #else
+ if (CGLDescribeRenderer(aRendObj, aRendIter, kCGLRPVideoMemory, &aVMem) == kCGLNoError)
+ {
+ addInfo (theDict, "GPU memory", TCollection_AsciiString() + (aVMem / (1024 * 1024)) + " MiB");
+ }
+ if (CGLDescribeRenderer(aRendObj, aRendIter, kCGLRPTextureMemory, &aVMem) == kCGLNoError)
+ {
+ addInfo (theDict, "GPU Texture memory", TCollection_AsciiString() + (aVMem / (1024 * 1024)) + " MiB");
+ }
+ #endif
+ }
+#endif
+
#if !defined(GL_ES_VERSION_2_0)
if (atiMem)
{
glGetIntegerv (GL_VBO_FREE_MEMORY_ATI, aValues);
// total memory free in the pool
- anInfo += TCollection_AsciiString (" GPU free memory: ") + (aValues[0] / 1024) + " MiB\n";
+ addInfo (theDict, "GPU free memory", TCollection_AsciiString() + (aValues[0] / 1024) + " MiB");
- // largest available free block in the pool
- anInfo += TCollection_AsciiString (" Largest free block: ") + (aValues[1] / 1024) + " MiB\n";
+ if (aValues[1] != aValues[0])
+ {
+ // largest available free block in the pool
+ addInfo (theDict, "Largest free block", TCollection_AsciiString() + (aValues[1] / 1024) + " MiB");
+ }
if (aValues[2] != aValues[0])
{
// total auxiliary memory free
- anInfo += TCollection_AsciiString (" Free memory: ") + (aValues[2] / 1024) + " MiB\n";
+ addInfo (theDict, "Free auxiliary memory", TCollection_AsciiString() + (aValues[2] / 1024) + " MiB");
}
}
else if (nvxMem)
//current available dedicated video memory (in KiB), currently unused GPU memory
GLint aValue = 0;
glGetIntegerv (GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &aValue);
- anInfo += TCollection_AsciiString (" GPU free memory: ") + (aValue / 1024) + " MiB\n";
+ addInfo (theDict, "GPU free memory", TCollection_AsciiString() + (aValue / 1024) + " MiB");
// dedicated video memory, total size (in KiB) of the GPU memory
GLint aDedicated = 0;
glGetIntegerv (GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &aDedicated);
- anInfo += TCollection_AsciiString (" GPU memory: ") + (aDedicated / 1024) + " MiB\n";
+ addInfo (theDict, "GPU memory", TCollection_AsciiString() + (aDedicated / 1024) + " MiB");
// total available memory, total size (in KiB) of the memory available for allocations
glGetIntegerv (GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &aValue);
if (aValue != aDedicated)
{
// different only for special configurations
- anInfo += TCollection_AsciiString (" Total memory: ") + (aValue / 1024) + " MiB\n";
+ addInfo (theDict, "Total memory", TCollection_AsciiString() + (aValue / 1024) + " MiB");
+ }
+ }
+#if defined(_WIN32)
+ else if (myFuncs->wglGetGPUInfoAMD != NULL
+ && myFuncs->wglGetContextGPUIDAMD != NULL)
+ {
+ GLuint aTotalMemMiB = 0;
+ UINT anAmdId = myFuncs->wglGetContextGPUIDAMD ((HGLRC )myGContext);
+ if (anAmdId != 0)
+ {
+ if (myFuncs->wglGetGPUInfoAMD (anAmdId, WGL_GPU_RAM_AMD, GL_UNSIGNED_INT, sizeof(aTotalMemMiB), &aTotalMemMiB) > 0)
+ {
+ addInfo (theDict, "GPU memory", TCollection_AsciiString() + (int )aTotalMemMiB + " MiB");
+ }
+ }
+ }
+#endif
+#endif
+
+#if !defined(GL_ES_VERSION_2_0) && !defined(__APPLE__) && !defined(_WIN32)
+ // GLX_RENDERER_VENDOR_ID_MESA
+ if (myFuncs->glXQueryCurrentRendererIntegerMESA != NULL)
+ {
+ unsigned int aVMemMiB = 0;
+ if (myFuncs->glXQueryCurrentRendererIntegerMESA (GLX_RENDERER_VIDEO_MEMORY_MESA, &aVMemMiB) != False)
+ {
+ addInfo (theDict, "GPU memory", TCollection_AsciiString() + int(aVMemMiB) + " MiB");
}
}
#endif
- return anInfo;
}
+// =======================================================================
+// function : DiagnosticInfo
+// purpose :
+// =======================================================================
+void OpenGl_Context::DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict,
+ Graphic3d_DiagnosticInfo theFlags) const
+{
+ if ((theFlags & Graphic3d_DiagnosticInfo_NativePlatform) != 0)
+ {
+ #if defined(HAVE_EGL)
+ addInfo (theDict, "EGLVersion", ::eglQueryString ((EGLDisplay )myDisplay, EGL_VERSION));
+ addInfo (theDict, "EGLVendor", ::eglQueryString ((EGLDisplay )myDisplay, EGL_VENDOR));
+ addInfo (theDict, "EGLClientAPIs", ::eglQueryString ((EGLDisplay )myDisplay, EGL_CLIENT_APIS));
+ if ((theFlags & Graphic3d_DiagnosticInfo_Extensions) != 0)
+ {
+ addInfo (theDict, "EGLExtensions", ::eglQueryString ((EGLDisplay )myDisplay, EGL_EXTENSIONS));
+ }
+ #elif defined(_WIN32)
+ if ((theFlags & Graphic3d_DiagnosticInfo_Extensions) != 0
+ && myFuncs->wglGetExtensionsStringARB != NULL)
+ {
+ const char* aWglExts = myFuncs->wglGetExtensionsStringARB ((HDC )myWindowDC);
+ addInfo (theDict, "WGLExtensions", aWglExts);
+ }
+ #elif defined(__APPLE__)
+ //
+ #else
+ Display* aDisplay = (Display*)myDisplay;
+ const int aScreen = DefaultScreen(aDisplay);
+ addInfo (theDict, "GLXDirectRendering", ::glXIsDirect (aDisplay, (GLXContext )myGContext) ? "Yes" : "No");
+ addInfo (theDict, "GLXVendor", ::glXQueryServerString (aDisplay, aScreen, GLX_VENDOR));
+ addInfo (theDict, "GLXVersion", ::glXQueryServerString (aDisplay, aScreen, GLX_VERSION));
+ if ((theFlags & Graphic3d_DiagnosticInfo_Extensions) != 0)
+ {
+ const char* aGlxExts = ::glXQueryExtensionsString (aDisplay, aScreen);
+ addInfo(theDict, "GLXExtensions", aGlxExts);
+ }
+
+ addInfo (theDict, "GLXClientVendor", ::glXGetClientString (aDisplay, GLX_VENDOR));
+ addInfo (theDict, "GLXClientVersion", ::glXGetClientString (aDisplay, GLX_VERSION));
+ if ((theFlags & Graphic3d_DiagnosticInfo_Extensions) != 0)
+ {
+ addInfo (theDict, "GLXClientExtensions", ::glXGetClientString (aDisplay, GLX_EXTENSIONS));
+ }
+ #endif
+ }
+
+ if ((theFlags & Graphic3d_DiagnosticInfo_Device) != 0)
+ {
+ addInfo (theDict, "GLvendor", (const char*)::glGetString (GL_VENDOR));
+ addInfo (theDict, "GLdevice", (const char*)::glGetString (GL_RENDERER));
+ addInfo (theDict, "GLversion", (const char*)::glGetString (GL_VERSION));
+ if (IsGlGreaterEqual (2, 0))
+ {
+ addInfo (theDict, "GLSLversion", (const char*)::glGetString (GL_SHADING_LANGUAGE_VERSION));
+ }
+ if (myIsGlDebugCtx)
+ {
+ addInfo (theDict, "GLdebug", "ON");
+ }
+ }
+
+ if ((theFlags & Graphic3d_DiagnosticInfo_Limits) != 0)
+ {
+ addInfo (theDict, "Max texture size", TCollection_AsciiString(myMaxTexDim));
+ addInfo (theDict, "Max combined texture units", TCollection_AsciiString(myMaxTexCombined));
+ addInfo (theDict, "Max MSAA samples", TCollection_AsciiString(myMaxMsaaSamples));
+ }
+
+ if ((theFlags & Graphic3d_DiagnosticInfo_FrameBuffer) != 0)
+ {
+ GLint aViewport[4] = {};
+ ::glGetIntegerv (GL_VIEWPORT, aViewport);
+ addInfo (theDict, "Viewport", TCollection_AsciiString() + aViewport[2] + "x" + aViewport[3]);
+ }
+
+ if ((theFlags & Graphic3d_DiagnosticInfo_Memory) != 0)
+ {
+ MemoryInfo (theDict);
+ }
+
+ if ((theFlags & Graphic3d_DiagnosticInfo_Extensions) != 0)
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ if (IsGlGreaterEqual (3, 0)
+ && myFuncs->glGetStringi != NULL)
+ {
+ TCollection_AsciiString anExtList;
+ GLint anExtNb = 0;
+ ::glGetIntegerv (GL_NUM_EXTENSIONS, &anExtNb);
+ for (GLint anIter = 0; anIter < anExtNb; ++anIter)
+ {
+ const char* anExtension = (const char*)myFuncs->glGetStringi (GL_EXTENSIONS, (GLuint)anIter);
+ if (!anExtList.IsEmpty())
+ {
+ anExtList += " ";
+ }
+ anExtList += anExtension;
+ }
+ addInfo(theDict, "GLextensions", anExtList);
+ }
+ else
+ #endif
+ {
+ addInfo (theDict, "GLextensions", (const char*)::glGetString (GL_EXTENSIONS));
+ }
+ }
+}
// =======================================================================
// function : GetResource
}
}
-// =======================================================================
-// function : DelayedRelease
-// purpose :
-// =======================================================================
-void OpenGl_Context::DelayedRelease (Handle(OpenGl_Resource)& theResource)
-{
- myUnusedResources->Prepend (theResource);
- theResource.Nullify();
-}
-
// =======================================================================
// function : ReleaseDelayed
// purpose :
continue;
}
- Handle(OpenGl_Resource)& aRes = mySharedResources->ChangeFind (aKey);
+ const Handle(OpenGl_Resource)& aRes = mySharedResources->ChangeFind (aKey);
if (aRes->GetRefCount() > 1)
{
// should be only 1 instance in mySharedResources
}
}
+// =======================================================================
+// function : BindTextures
+// purpose :
+// =======================================================================
+Handle(OpenGl_TextureSet) OpenGl_Context::BindTextures (const Handle(OpenGl_TextureSet)& theTextures)
+{
+ if (myActiveTextures == theTextures)
+ {
+ return myActiveTextures;
+ }
+
+ Handle(OpenGl_Context) aThisCtx (this);
+ OpenGl_TextureSet::Iterator aTextureIterOld (myActiveTextures), aTextureIterNew (theTextures);
+ for (;;)
+ {
+ if (!aTextureIterNew.More())
+ {
+ for (; aTextureIterOld.More(); aTextureIterOld.Next())
+ {
+ if (const Handle(OpenGl_Texture)& aTextureOld = aTextureIterOld.Value())
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ if (core11 != NULL)
+ {
+ OpenGl_Sampler::resetGlobalTextureParams (aThisCtx, *aTextureOld, aTextureOld->Sampler()->Parameters());
+ }
+ #endif
+ aTextureOld->Unbind (aThisCtx);
+ }
+ }
+ break;
+ }
+
+ const Handle(OpenGl_Texture)& aTextureNew = aTextureIterNew.Value();
+ if (aTextureIterOld.More())
+ {
+ const Handle(OpenGl_Texture)& aTextureOld = aTextureIterOld.Value();
+ if (aTextureNew == aTextureOld)
+ {
+ aTextureIterNew.Next();
+ aTextureIterOld.Next();
+ continue;
+ }
+ else if (aTextureNew.IsNull()
+ || !aTextureNew->IsValid())
+ {
+ if (!aTextureOld.IsNull())
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ if (core11 != NULL)
+ {
+ OpenGl_Sampler::resetGlobalTextureParams (aThisCtx, *aTextureOld, aTextureOld->Sampler()->Parameters());
+ }
+ #endif
+ aTextureOld->Unbind (aThisCtx);
+ }
+
+ aTextureIterNew.Next();
+ aTextureIterOld.Next();
+ continue;
+ }
+
+ aTextureIterOld.Next();
+ }
+ if (aTextureNew.IsNull())
+ {
+ aTextureIterNew.Next();
+ continue;
+ }
+
+ const Graphic3d_TextureUnit aTexUnit = aTextureNew->Sampler()->Parameters()->TextureUnit();
+ if (aTexUnit >= myMaxTexCombined)
+ {
+ PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH,
+ TCollection_AsciiString("Texture unit ") + aTexUnit + " for " + aTextureNew->ResourceId() + " exceeds hardware limit " + myMaxTexCombined);
+ aTextureIterNew.Next();
+ continue;
+ }
+
+ aTextureNew->Bind (aThisCtx);
+ if (aTextureNew->Sampler()->ToUpdateParameters())
+ {
+ if (aTextureNew->Sampler()->IsImmutable())
+ {
+ aTextureNew->Sampler()->Init (aThisCtx, *aTextureNew);
+ }
+ else
+ {
+ OpenGl_Sampler::applySamplerParams (aThisCtx, aTextureNew->Sampler()->Parameters(), aTextureNew->Sampler().get(), aTextureNew->GetTarget(), aTextureNew->HasMipmaps());
+ }
+ }
+ #if !defined(GL_ES_VERSION_2_0)
+ if (core11 != NULL)
+ {
+ OpenGl_Sampler::applyGlobalTextureParams (aThisCtx, *aTextureNew, aTextureNew->Sampler()->Parameters());
+ }
+ #endif
+ aTextureIterNew.Next();
+ }
+
+ Handle(OpenGl_TextureSet) anOldTextures = myActiveTextures;
+ myActiveTextures = theTextures;
+ return anOldTextures;
+}
+
// =======================================================================
// function : BindProgram
// purpose :
{
return Standard_False;
}
+ else if (myActiveProgram == theProgram)
+ {
+ return Standard_True;
+ }
if (theProgram.IsNull()
|| !theProgram->IsValid())
}
// =======================================================================
-// function : SetColor4fv
+// function : BindDefaultVao
// purpose :
// =======================================================================
-void OpenGl_Context::SetColor4fv (const OpenGl_Vec4& theColor)
+void OpenGl_Context::BindDefaultVao()
{
- if (!myActiveProgram.IsNull())
- {
- myActiveProgram->SetUniform (this, myActiveProgram->GetStateLocation (OpenGl_OCCT_COLOR), theColor);
- }
#if !defined(GL_ES_VERSION_2_0)
- else if (core11 != NULL)
+ if (myDefaultVao == 0
+ || core32 == NULL)
{
- core11->glColor4fv (theColor.GetData());
+ return;
}
+
+ core32->glBindVertexArray (myDefaultVao);
#endif
}
// =======================================================================
-// function : SetPointSize
+// function : SetDefaultFrameBuffer
// purpose :
// =======================================================================
-void OpenGl_Context::SetPointSize (const Standard_ShortReal theSize)
+Handle(OpenGl_FrameBuffer) OpenGl_Context::SetDefaultFrameBuffer (const Handle(OpenGl_FrameBuffer)& theFbo)
{
- if (!myActiveProgram.IsNull())
+ Handle(OpenGl_FrameBuffer) aFbo = myDefaultFbo;
+ myDefaultFbo = theFbo;
+ return aFbo;
+}
+
+// =======================================================================
+// function : SetShadingMaterial
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetShadingMaterial (const OpenGl_AspectFace* theAspect,
+ const Handle(Graphic3d_PresentationAttributes)& theHighlight)
+{
+ const Handle(Graphic3d_AspectFillArea3d)& anAspect = (!theHighlight.IsNull() && !theHighlight->BasicFillAreaAspect().IsNull())
+ ? theHighlight->BasicFillAreaAspect()
+ : theAspect->Aspect();
+
+ const bool toDistinguish = anAspect->Distinguish();
+ const bool toMapTexture = anAspect->ToMapTexture();
+ const Graphic3d_MaterialAspect& aMatFrontSrc = anAspect->FrontMaterial();
+ const Graphic3d_MaterialAspect& aMatBackSrc = toDistinguish
+ ? anAspect->BackMaterial()
+ : aMatFrontSrc;
+ const Quantity_Color& aFrontIntColor = anAspect->InteriorColor();
+ const Quantity_Color& aBackIntColor = toDistinguish
+ ? anAspect->BackInteriorColor()
+ : aFrontIntColor;
+
+ myMatFront.Init (aMatFrontSrc, aFrontIntColor);
+ if (toDistinguish)
+ {
+ myMatBack.Init (aMatBackSrc, aBackIntColor);
+ }
+ else
+ {
+ myMatBack = myMatFront;
+ }
+
+ if (!theHighlight.IsNull()
+ && theHighlight->BasicFillAreaAspect().IsNull())
+ {
+ myMatFront.SetColor (theHighlight->ColorRGBA());
+ myMatBack .SetColor (theHighlight->ColorRGBA());
+ }
+
+ Standard_ShortReal anAlphaFront = 1.0f;
+ Standard_ShortReal anAlphaBack = 1.0f;
+ if (CheckIsTransparent (theAspect, theHighlight, anAlphaFront, anAlphaBack))
+ {
+ myMatFront.Diffuse.a() = anAlphaFront;
+ myMatBack .Diffuse.a() = anAlphaBack;
+ }
+
+ // do not update material properties in case of zero reflection mode,
+ // because GL lighting will be disabled by OpenGl_PrimitiveArray::DrawArray() anyway.
+ if (theAspect->IsNoLighting())
+ {
+ return;
+ }
+
+ if (myMatFront == myShaderManager->MaterialState().FrontMaterial()
+ && myMatBack == myShaderManager->MaterialState().BackMaterial()
+ && toDistinguish == myShaderManager->MaterialState().ToDistinguish()
+ && toMapTexture == myShaderManager->MaterialState().ToMapTexture())
+ {
+ return;
+ }
+
+ myShaderManager->UpdateMaterialStateTo (myMatFront, myMatBack, toDistinguish, toMapTexture);
+}
+
+// =======================================================================
+// function : CheckIsTransparent
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_Context::CheckIsTransparent (const OpenGl_AspectFace* theAspect,
+ const Handle(Graphic3d_PresentationAttributes)& theHighlight,
+ Standard_ShortReal& theAlphaFront,
+ Standard_ShortReal& theAlphaBack)
+{
+ const Handle(Graphic3d_AspectFillArea3d)& anAspect = (!theHighlight.IsNull() && !theHighlight->BasicFillAreaAspect().IsNull())
+ ? theHighlight->BasicFillAreaAspect()
+ : theAspect->Aspect();
+
+ const bool toDistinguish = anAspect->Distinguish();
+ const Graphic3d_MaterialAspect& aMatFrontSrc = anAspect->FrontMaterial();
+ const Graphic3d_MaterialAspect& aMatBackSrc = toDistinguish
+ ? anAspect->BackMaterial()
+ : aMatFrontSrc;
+
+ // handling transparency
+ if (!theHighlight.IsNull()
+ && theHighlight->BasicFillAreaAspect().IsNull())
+ {
+ theAlphaFront = theHighlight->ColorRGBA().Alpha();
+ theAlphaBack = theHighlight->ColorRGBA().Alpha();
+ }
+ else
+ {
+ theAlphaFront = aMatFrontSrc.Alpha();
+ theAlphaBack = aMatBackSrc .Alpha();
+ }
+
+ const bool isTransparent = theAlphaFront < 1.0f
+ || theAlphaBack < 1.0f;
+ return isTransparent;
+}
+
+// =======================================================================
+// function : SetColor4fv
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetColor4fv (const OpenGl_Vec4& theColor)
+{
+ if (!myActiveProgram.IsNull())
+ {
+ myActiveProgram->SetUniform (this, myActiveProgram->GetStateLocation (OpenGl_OCCT_COLOR), theColor);
+ }
+#if !defined(GL_ES_VERSION_2_0)
+ else if (core11 != NULL)
+ {
+ core11->glColor4fv (theColor.GetData());
+ }
+#endif
+}
+
+// =======================================================================
+// function : SetTypeOfLine
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetTypeOfLine (const Aspect_TypeOfLine theType,
+ const Standard_ShortReal theFactor)
+{
+ Standard_Integer aPattern = 0xFFFF;
+ switch (theType)
+ {
+ case Aspect_TOL_DASH:
+ {
+ aPattern = 0xFFC0;
+ break;
+ }
+ case Aspect_TOL_DOT:
+ {
+ aPattern = 0xCCCC;
+ break;
+ }
+ case Aspect_TOL_DOTDASH:
+ {
+ aPattern = 0xFF18;
+ break;
+ }
+ case Aspect_TOL_EMPTY:
+ case Aspect_TOL_SOLID:
+ {
+ aPattern = 0xFFFF;
+ break;
+ }
+ case Aspect_TOL_USERDEFINED:
+ {
+ aPattern = 0xFF24;
+ break;
+ }
+ }
+
+ if (!myActiveProgram.IsNull())
+ {
+ myActiveProgram->SetUniform (this, "uPattern", aPattern);
+ myActiveProgram->SetUniform (this, "uFactor", theFactor);
+ return;
+ }
+
+#if !defined(GL_ES_VERSION_2_0)
+ if (aPattern != 0xFFFF)
+ {
+ #ifdef HAVE_GL2PS
+ if (IsFeedback())
+ {
+ gl2psEnable (GL2PS_LINE_STIPPLE);
+ }
+ #endif
+
+ if (core11 != NULL)
+ {
+ core11fwd->glEnable (GL_LINE_STIPPLE);
+
+ core11->glLineStipple (static_cast<GLint> (theFactor),
+ static_cast<GLushort> (aPattern));
+ }
+ }
+ else
+ {
+ if (core11 != NULL)
+ {
+ core11fwd->glDisable (GL_LINE_STIPPLE);
+ }
+
+ #ifdef HAVE_GL2PS
+ if (IsFeedback())
+ {
+ gl2psDisable (GL2PS_LINE_STIPPLE);
+ }
+ #endif
+ }
+#endif
+}
+
+// =======================================================================
+// function : SetLineWidth
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetLineWidth (const Standard_ShortReal theWidth)
+{
+ if (core11 != NULL)
+ {
+ // glLineWidth() is still defined within Core Profile, but has no effect with values != 1.0f
+ core11fwd->glLineWidth (theWidth * myLineWidthScale);
+ }
+#ifdef HAVE_GL2PS
+ if (IsFeedback())
+ {
+ gl2psLineWidth (theWidth);
+ }
+#endif
+}
+
+// =======================================================================
+// function : SetTextureMatrix
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetTextureMatrix (const Handle(Graphic3d_TextureParams)& theParams)
+{
+ if (theParams.IsNull())
+ {
+ return;
+ }
+ else if (!myActiveProgram.IsNull())
+ {
+ const GLint aUniLoc = myActiveProgram->GetStateLocation (OpenGl_OCCT_TEXTURE_TRSF2D);
+ if (aUniLoc == OpenGl_ShaderProgram::INVALID_LOCATION)
+ {
+ return;
+ }
+
+ // pack transformation parameters
+ OpenGl_Vec4 aTrsf[2];
+ aTrsf[0].x() = -theParams->Translation().x();
+ aTrsf[0].y() = -theParams->Translation().y();
+ aTrsf[0].zw() = theParams->Scale();
+ aTrsf[1].x() = std::sin (-theParams->Rotation() * static_cast<float> (M_PI / 180.0));
+ aTrsf[1].y() = std::cos (-theParams->Rotation() * static_cast<float> (M_PI / 180.0));
+ myActiveProgram->SetUniform (this, aUniLoc, 2, aTrsf);
+ return;
+ }
+
+#if !defined(GL_ES_VERSION_2_0)
+ if (core11 != NULL)
+ {
+ GLint aMatrixMode = GL_TEXTURE;
+ ::glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode);
+
+ core11->glMatrixMode (GL_TEXTURE);
+ OpenGl_Mat4 aTextureMat;
+ const Graphic3d_Vec2& aScale = theParams->Scale();
+ const Graphic3d_Vec2& aTrans = theParams->Translation();
+ Graphic3d_TransformUtils::Scale (aTextureMat, aScale.x(), aScale.y(), 1.0f);
+ Graphic3d_TransformUtils::Translate (aTextureMat, -aTrans.x(), -aTrans.y(), 0.0f);
+ Graphic3d_TransformUtils::Rotate (aTextureMat, -theParams->Rotation(), 0.0f, 0.0f, 1.0f);
+ core11->glLoadMatrixf (aTextureMat);
+ core11->glMatrixMode (aMatrixMode);
+ }
+#endif
+}
+
+// =======================================================================
+// function : SetPointSize
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetPointSize (const Standard_ShortReal theSize)
+{
+ if (!myActiveProgram.IsNull())
{
myActiveProgram->SetUniform (this, myActiveProgram->GetStateLocation (OpenGl_OCCT_POINT_SIZE), theSize);
#if !defined(GL_ES_VERSION_2_0)
#endif
}
+// =======================================================================
+// function : SetPointSpriteOrigin
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetPointSpriteOrigin()
+{
+#if !defined(GL_ES_VERSION_2_0)
+ if (core15fwd == NULL)
+ {
+ return;
+ }
+
+ const int aNewState = !myActiveProgram.IsNull() ? GL_UPPER_LEFT : GL_LOWER_LEFT;
+ if (myPointSpriteOrig != aNewState)
+ {
+ myPointSpriteOrig = aNewState;
+ core15fwd->glPointParameteri (GL_POINT_SPRITE_COORD_ORIGIN, aNewState);
+ }
+#endif
+}
+
// =======================================================================
// function : SetGlNormalizeEnabled
// purpose :
myIsGlNormalizeEnabled = isEnabled;
#if !defined(GL_ES_VERSION_2_0)
- if (isEnabled)
+ if (core11 != NULL)
{
- glEnable (GL_NORMALIZE);
+ if (isEnabled)
+ {
+ ::glEnable (GL_NORMALIZE);
+ }
+ else
+ {
+ ::glDisable (GL_NORMALIZE);
+ }
}
- else
+#endif
+
+ return anOldGlNormalize;
+}
+
+// =======================================================================
+// function : SetPolygonMode
+// purpose :
+// =======================================================================
+Standard_Integer OpenGl_Context::SetPolygonMode (const Standard_Integer theMode)
+{
+ if (myPolygonMode == theMode)
{
- glDisable (GL_NORMALIZE);
+ return myPolygonMode;
}
+
+ const Standard_Integer anOldPolygonMode = myPolygonMode;
+
+ myPolygonMode = theMode;
+
+#if !defined(GL_ES_VERSION_2_0)
+ ::glPolygonMode (GL_FRONT_AND_BACK, (GLenum)theMode);
#endif
- return anOldGlNormalize;
+ return anOldPolygonMode;
+}
+
+// =======================================================================
+// function : SetPolygonHatchEnabled
+// purpose :
+// =======================================================================
+bool OpenGl_Context::SetPolygonHatchEnabled (const bool theIsEnabled)
+{
+ if (myHatchStyles.IsNull())
+ {
+ return false;
+ }
+ else if (myHatchStyles->IsEnabled() == theIsEnabled)
+ {
+ return theIsEnabled;
+ }
+
+ return myHatchStyles->SetEnabled (this, theIsEnabled);
+}
+
+// =======================================================================
+// function : SetPolygonHatchStyle
+// purpose :
+// =======================================================================
+Standard_Integer OpenGl_Context::SetPolygonHatchStyle (const Handle(Graphic3d_HatchStyle)& theStyle)
+{
+ if (theStyle.IsNull())
+ {
+ return 0;
+ }
+
+ if (myHatchStyles.IsNull())
+ {
+ if (!GetResource ("OpenGl_LineAttributes", myHatchStyles))
+ {
+ // share and register for release once the resource is no longer used
+ myHatchStyles = new OpenGl_LineAttributes();
+ ShareResource ("OpenGl_LineAttributes", myHatchStyles);
+ }
+ }
+ if (myHatchStyles->TypeOfHatch() == theStyle->HatchType())
+ {
+ return theStyle->HatchType();
+ }
+
+ return myHatchStyles->SetTypeOfHatch (this, theStyle);
+}
+
+// =======================================================================
+// function : SetPolygonOffset
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetPolygonOffset (const Graphic3d_PolygonOffset& theOffset)
+{
+ const bool toFillOld = (myPolygonOffset.Mode & Aspect_POM_Fill) == Aspect_POM_Fill;
+ const bool toFillNew = (theOffset.Mode & Aspect_POM_Fill) == Aspect_POM_Fill;
+ if (toFillNew != toFillOld)
+ {
+ if (toFillNew)
+ {
+ glEnable (GL_POLYGON_OFFSET_FILL);
+ }
+ else
+ {
+ glDisable (GL_POLYGON_OFFSET_FILL);
+ }
+ }
+
+#if !defined(GL_ES_VERSION_2_0)
+ const bool toLineOld = (myPolygonOffset.Mode & Aspect_POM_Line) == Aspect_POM_Line;
+ const bool toLineNew = (theOffset.Mode & Aspect_POM_Line) == Aspect_POM_Line;
+ if (toLineNew != toLineOld)
+ {
+ if (toLineNew)
+ {
+ glEnable (GL_POLYGON_OFFSET_LINE);
+ }
+ else
+ {
+ glDisable (GL_POLYGON_OFFSET_LINE);
+ }
+ }
+
+ const bool toPointOld = (myPolygonOffset.Mode & Aspect_POM_Point) == Aspect_POM_Point;
+ const bool toPointNew = (theOffset.Mode & Aspect_POM_Point) == Aspect_POM_Point;
+ if (toPointNew != toPointOld)
+ {
+ if (toPointNew)
+ {
+ glEnable (GL_POLYGON_OFFSET_POINT);
+ }
+ else
+ {
+ glDisable (GL_POLYGON_OFFSET_POINT);
+ }
+ }
+#endif
+
+ if (myPolygonOffset.Factor != theOffset.Factor
+ || myPolygonOffset.Units != theOffset.Units)
+ {
+ glPolygonOffset (theOffset.Factor, theOffset.Units);
+ }
+ myPolygonOffset = theOffset;
+}
+
+// =======================================================================
+// function : ApplyModelWorldMatrix
+// purpose :
+// =======================================================================
+void OpenGl_Context::ApplyModelWorldMatrix()
+{
+ if (myShaderManager->ModelWorldState().ModelWorldMatrix() != ModelWorldState.Current())
+ {
+ myShaderManager->UpdateModelWorldStateTo (ModelWorldState.Current());
+ }
+}
+
+// =======================================================================
+// function : ApplyWorldViewMatrix
+// purpose :
+// =======================================================================
+void OpenGl_Context::ApplyWorldViewMatrix()
+{
+ if (myShaderManager->ModelWorldState().ModelWorldMatrix() != THE_IDENTITY_MATRIX)
+ {
+ myShaderManager->UpdateModelWorldStateTo (THE_IDENTITY_MATRIX);
+ }
+ if (myShaderManager->WorldViewState().WorldViewMatrix() != WorldViewState.Current())
+ {
+ myShaderManager->UpdateWorldViewStateTo (WorldViewState.Current());
+ }
+}
+
+// =======================================================================
+// function : ApplyModelViewMatrix
+// purpose :
+// =======================================================================
+void OpenGl_Context::ApplyModelViewMatrix()
+{
+ if (myShaderManager->ModelWorldState().ModelWorldMatrix() != ModelWorldState.Current())
+ {
+ myShaderManager->UpdateModelWorldStateTo (ModelWorldState.Current());
+ }
+ if (myShaderManager->WorldViewState().WorldViewMatrix() != WorldViewState.Current())
+ {
+ myShaderManager->UpdateWorldViewStateTo (WorldViewState.Current());
+ }
+}
+
+// =======================================================================
+// function : ApplyProjectionMatrix
+// purpose :
+// =======================================================================
+void OpenGl_Context::ApplyProjectionMatrix()
+{
+ if (myShaderManager->ProjectionState().ProjectionMatrix() != ProjectionState.Current())
+ {
+ myShaderManager->UpdateProjectionStateTo (ProjectionState.Current());
+ }
+}
+
+// =======================================================================
+// function : EnableFeatures
+// purpose :
+// =======================================================================
+void OpenGl_Context::EnableFeatures() const
+{
+ //
+}
+
+// =======================================================================
+// function : DisableFeatures
+// purpose :
+// =======================================================================
+void OpenGl_Context::DisableFeatures() const
+{
+ // Disable stuff that's likely to slow down glDrawPixels.
+ glDisable(GL_DITHER);
+ glDisable(GL_BLEND);
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_STENCIL_TEST);
+
+#if !defined(GL_ES_VERSION_2_0)
+ if (core11 == NULL)
+ {
+ return;
+ }
+
+ glDisable(GL_TEXTURE_1D);
+ glDisable(GL_TEXTURE_2D);
+
+ glDisable(GL_LIGHTING);
+ glDisable(GL_ALPHA_TEST);
+ glDisable(GL_FOG);
+ glDisable(GL_LOGIC_OP);
+
+ glPixelTransferi(GL_MAP_COLOR, GL_FALSE);
+ glPixelTransferi(GL_RED_SCALE, 1);
+ glPixelTransferi(GL_RED_BIAS, 0);
+ glPixelTransferi(GL_GREEN_SCALE, 1);
+ glPixelTransferi(GL_GREEN_BIAS, 0);
+ glPixelTransferi(GL_BLUE_SCALE, 1);
+ glPixelTransferi(GL_BLUE_BIAS, 0);
+ glPixelTransferi(GL_ALPHA_SCALE, 1);
+ glPixelTransferi(GL_ALPHA_BIAS, 0);
+
+ if ((myGlVerMajor >= 1) && (myGlVerMinor >= 2))
+ {
+ if (CheckExtension ("GL_CONVOLUTION_1D_EXT"))
+ glDisable(GL_CONVOLUTION_1D_EXT);
+
+ if (CheckExtension ("GL_CONVOLUTION_2D_EXT"))
+ glDisable(GL_CONVOLUTION_2D_EXT);
+
+ if (CheckExtension ("GL_SEPARABLE_2D_EXT"))
+ glDisable(GL_SEPARABLE_2D_EXT);
+
+ if (CheckExtension ("GL_SEPARABLE_2D_EXT"))
+ glDisable(GL_HISTOGRAM_EXT);
+
+ if (CheckExtension ("GL_MINMAX_EXT"))
+ glDisable(GL_MINMAX_EXT);
+
+ if (CheckExtension ("GL_TEXTURE_3D_EXT"))
+ glDisable(GL_TEXTURE_3D_EXT);
+ }
+#endif
+}
+
+// =======================================================================
+// function : SetColorMask
+// purpose :
+// =======================================================================
+bool OpenGl_Context::SetColorMask (bool theToWriteColor)
+{
+ const GLboolean toWrite = theToWriteColor ? GL_TRUE : GL_FALSE;
+ glColorMask (toWrite, toWrite, toWrite, toWrite);
+
+ const bool anOldValue = myColorMask;
+ myColorMask = theToWriteColor;
+ return anOldValue;
}
projects / occt.git / blobdiff