#include <OpenGl_TextureSetPairIterator.hxx>
#include <OpenGl_Workspace.hxx>
#include <OpenGl_Aspects.hxx>
+
#include <Graphic3d_TransformUtils.hxx>
#include <Graphic3d_RenderingParams.hxx>
-
+#include <Image_SupportedFormats.hxx>
#include <Message_Messenger.hxx>
-
#include <NCollection_Vector.hxx>
-
#include <Standard_ProgramError.hxx>
+#include <Standard_WarningDisableFunctionCast.hxx>
IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Context,Standard_Transient)
#endif
#ifdef __EMSCRIPTEN__
+ #include <emscripten.h>
#include <emscripten/html5.h>
//! Check if WebGL extension is available and activate it
core15fwd (NULL),
core20 (NULL),
core20fwd (NULL),
+ core30 (NULL),
+ core30fwd (NULL),
core32 (NULL),
core32back (NULL),
core33 (NULL),
core45 (NULL),
core45back (NULL),
caps (!theCaps.IsNull() ? theCaps : new OpenGl_Caps()),
+ hasGetBufferData (Standard_False),
#if defined(GL_ES_VERSION_2_0)
hasHighp (Standard_False),
hasUintIndex(Standard_False),
myClippingState (),
myGlLibHandle (NULL),
myFuncs (new OpenGl_GlFunctions()),
+ mySupportedFormats (new Image_SupportedFormats()),
myAnisoMax (1),
myTexClamp (GL_CLAMP_TO_EDGE),
myMaxTexDim (1024),
#if !defined(GL_ES_VERSION_2_0)
myPointSpriteOrig (GL_UPPER_LEFT),
myRenderMode (GL_RENDER),
+ myShadeModel (GL_SMOOTH),
myPolygonMode (GL_FILL),
#else
myPointSpriteOrig (0),
myRenderMode (0),
+ myShadeModel (0),
myPolygonMode (0),
#endif
myToCullBackFaces (false),
// function : SetFrameBufferSRGB
// purpose :
// =======================================================================
-void OpenGl_Context::SetFrameBufferSRGB (bool theIsFbo)
+void OpenGl_Context::SetFrameBufferSRGB (bool theIsFbo, bool theIsFboSRgb)
{
if (!hasFboSRGB)
{
return;
}
myIsSRgbActive = ToRenderSRGB()
- && (theIsFbo || myIsSRgbWindow);
+ && (theIsFbo || myIsSRgbWindow)
+ && theIsFboSRgb;
if (!hasSRGBControl)
{
return;
if (core11 != NULL)
{
::glGetIntegerv (GL_RENDER_MODE, &myRenderMode);
+ ::glGetIntegerv (GL_SHADE_MODEL, &myShadeModel);
}
// cache read buffers state
myVendor = (const char* )::glGetString (GL_VENDOR);
myVendor.LowerCase();
+ // standard formats
+ mySupportedFormats->Clear();
+ mySupportedFormats->Add (Image_PixMap::ImgGray);
+ mySupportedFormats->Add (Image_PixMap::ImgAlpha);
+ mySupportedFormats->Add (Image_PixMap::ImgRGB);
+ mySupportedFormats->Add (Image_PixMap::ImgRGB32);
+ mySupportedFormats->Add (Image_PixMap::ImgRGBA);
+
if (caps->contextMajorVersionUpper != -1)
{
// synthetically restrict OpenGL version for testing
core15fwd = NULL;
core20 = NULL;
core20fwd = NULL;
+ core30 = NULL;
+ core30fwd = NULL;
core32 = NULL;
core32back = NULL;
core33 = NULL;
}
#endif
+ if (extBgra)
+ {
+ // no BGR on OpenGL ES - only BGRA as extension
+ mySupportedFormats->Add (Image_PixMap::ImgBGR32);
+ mySupportedFormats->Add (Image_PixMap::ImgBGRA);
+ }
+
core11fwd = (OpenGl_GlCore11Fwd* )(&(*myFuncs));
if (IsGlGreaterEqual (2, 0))
{
hasHighp = Standard_True;
}
- arbTexFloat = IsGlGreaterEqual (3, 0)
- && FindProcShort (glTexImage3D);
+ arbTexFloat = (IsGlGreaterEqual (3, 0)
+ && FindProcShort (glTexImage3D))
+ || CheckExtension ("GL_OES_texture_float");
hasTexFloatLinear = arbTexFloat
&& CheckExtension ("GL_OES_texture_float_linear");
- const Standard_Boolean hasTexBuffer32 = IsGlGreaterEqual (3, 2) && FindProcShort (glTexBuffer);
- const Standard_Boolean hasExtTexBuffer = CheckExtension ("GL_EXT_texture_buffer") && FindProc ("glTexBufferEXT", myFuncs->glTexBuffer);
-
+ const bool hasTexBuffer32 = IsGlGreaterEqual (3, 2) && FindProcShort (glTexBuffer);
+ const bool hasExtTexBuffer = CheckExtension ("GL_EXT_texture_buffer") && FindProc ("glTexBufferEXT", myFuncs->glTexBuffer);
if (hasTexBuffer32 || hasExtTexBuffer)
{
arbTBO = reinterpret_cast<OpenGl_ArbTBO*> (myFuncs.get());
}
+ bool hasInstanced = IsGlGreaterEqual (3, 0)
+ && FindProcShort (glVertexAttribDivisor)
+ && FindProcShort (glDrawArraysInstanced)
+ && FindProcShort (glDrawElementsInstanced);
+ if (!hasInstanced)
+ {
+ hasInstanced = CheckExtension ("GL_ANGLE_instanced_arrays")
+ && FindProc ("glVertexAttribDivisorANGLE", myFuncs->glVertexAttribDivisor)
+ && FindProc ("glDrawArraysInstancedANGLE", myFuncs->glDrawArraysInstanced)
+ && FindProc ("glDrawElementsInstancedANGLE", myFuncs->glDrawElementsInstanced);
+ }
+ if (hasInstanced)
+ {
+ arbIns = (OpenGl_ArbIns* )(&(*myFuncs));
+ }
+
+ const bool hasVAO = IsGlGreaterEqual (3, 0)
+ && FindProcShort (glBindVertexArray)
+ && FindProcShort (glDeleteVertexArrays)
+ && FindProcShort (glGenVertexArrays)
+ && FindProcShort (glIsVertexArray);
+ const bool hasMapBufferRange = IsGlGreaterEqual (3, 0)
+ && FindProcShort (glMapBufferRange)
+ && FindProcShort (glFlushMappedBufferRange);
+
+ // load OpenGL ES 3.0 new functions
+ const bool has30es = IsGlGreaterEqual (3, 0)
+ && hasVAO
+ && hasMapBufferRange
+ && hasInstanced
+ && arbSamplerObject != NULL
+ && arbFBOBlit != NULL
+ && FindProcShort (glReadBuffer)
+ && FindProcShort (glDrawRangeElements)
+ && FindProcShort (glTexImage3D)
+ && FindProcShort (glTexSubImage3D)
+ && FindProcShort (glCopyTexSubImage3D)
+ && FindProcShort (glCompressedTexImage3D)
+ && FindProcShort (glCompressedTexSubImage3D)
+ && FindProcShort (glGenQueries)
+ && FindProcShort (glDeleteQueries)
+ && FindProcShort (glIsQuery)
+ && FindProcShort (glBeginQuery)
+ && FindProcShort (glEndQuery)
+ && FindProcShort (glGetQueryiv)
+ && FindProcShort (glGetQueryObjectuiv)
+ && FindProcShort (glUnmapBuffer)
+ && FindProcShort (glGetBufferPointerv)
+ && FindProcShort (glDrawBuffers)
+ && FindProcShort (glUniformMatrix2x3fv)
+ && FindProcShort (glUniformMatrix3x2fv)
+ && FindProcShort (glUniformMatrix2x4fv)
+ && FindProcShort (glUniformMatrix4x2fv)
+ && FindProcShort (glUniformMatrix3x4fv)
+ && FindProcShort (glUniformMatrix4x3fv)
+ && FindProcShort (glRenderbufferStorageMultisample)
+ && FindProcShort (glFramebufferTextureLayer)
+ && FindProcShort (glGetIntegeri_v)
+ && FindProcShort (glBeginTransformFeedback)
+ && FindProcShort (glEndTransformFeedback)
+ && FindProcShort (glBindBufferRange)
+ && FindProcShort (glBindBufferBase)
+ && FindProcShort (glTransformFeedbackVaryings)
+ && FindProcShort (glGetTransformFeedbackVarying)
+ && FindProcShort (glVertexAttribIPointer)
+ && FindProcShort (glGetVertexAttribIiv)
+ && FindProcShort (glGetVertexAttribIuiv)
+ && FindProcShort (glVertexAttribI4i)
+ && FindProcShort (glVertexAttribI4ui)
+ && FindProcShort (glVertexAttribI4iv)
+ && FindProcShort (glVertexAttribI4uiv)
+ && FindProcShort (glGetUniformuiv)
+ && FindProcShort (glGetFragDataLocation)
+ && FindProcShort (glUniform1ui)
+ && FindProcShort (glUniform2ui)
+ && FindProcShort (glUniform3ui)
+ && FindProcShort (glUniform4ui)
+ && FindProcShort (glUniform1uiv)
+ && FindProcShort (glUniform2uiv)
+ && FindProcShort (glUniform3uiv)
+ && FindProcShort (glUniform4uiv)
+ && FindProcShort (glClearBufferiv)
+ && FindProcShort (glClearBufferuiv)
+ && FindProcShort (glClearBufferfv)
+ && FindProcShort (glClearBufferfi)
+ && FindProcShort (glGetStringi)
+ && FindProcShort (glCopyBufferSubData)
+ && FindProcShort (glGetUniformIndices)
+ && FindProcShort (glGetActiveUniformsiv)
+ && FindProcShort (glGetUniformBlockIndex)
+ && FindProcShort (glGetActiveUniformBlockiv)
+ && FindProcShort (glGetActiveUniformBlockName)
+ && FindProcShort (glUniformBlockBinding)
+ && FindProcShort (glFenceSync)
+ && FindProcShort (glIsSync)
+ && FindProcShort (glDeleteSync)
+ && FindProcShort (glClientWaitSync)
+ && FindProcShort (glWaitSync)
+ && FindProcShort (glGetInteger64v)
+ && FindProcShort (glGetSynciv)
+ && FindProcShort (glGetInteger64i_v)
+ && FindProcShort (glGetBufferParameteri64v)
+ && FindProcShort (glBindTransformFeedback)
+ && FindProcShort (glDeleteTransformFeedbacks)
+ && FindProcShort (glGenTransformFeedbacks)
+ && FindProcShort (glIsTransformFeedback)
+ && FindProcShort (glPauseTransformFeedback)
+ && FindProcShort (glResumeTransformFeedback)
+ && FindProcShort (glGetProgramBinary)
+ && FindProcShort (glProgramBinary)
+ && FindProcShort (glProgramParameteri)
+ && FindProcShort (glInvalidateFramebuffer)
+ && FindProcShort (glInvalidateSubFramebuffer)
+ && FindProcShort (glTexStorage2D)
+ && FindProcShort (glTexStorage3D)
+ && FindProcShort (glGetInternalformativ);
+ if (!has30es)
+ {
+ checkWrongVersion (3, 0, aLastFailedProc);
+ }
+ else
+ {
+ core30 = (OpenGl_GlCore30* )(&(*myFuncs));
+ core30fwd = (OpenGl_GlCore30Fwd* )(&(*myFuncs));
+ hasGetBufferData = true;
+ }
+
+ // load OpenGL ES 3.1 new functions
+ const bool has31es = IsGlGreaterEqual (3, 1)
+ && has30es
+ && FindProcShort (glDispatchCompute)
+ && FindProcShort (glDispatchComputeIndirect)
+ && FindProcShort (glDrawArraysIndirect)
+ && FindProcShort (glDrawElementsIndirect)
+ && FindProcShort (glFramebufferParameteri)
+ && FindProcShort (glGetFramebufferParameteriv)
+ && FindProcShort (glGetProgramInterfaceiv)
+ && FindProcShort (glGetProgramResourceIndex)
+ && FindProcShort (glGetProgramResourceName)
+ && FindProcShort (glGetProgramResourceiv)
+ && FindProcShort (glGetProgramResourceLocation)
+ && FindProcShort (glUseProgramStages)
+ && FindProcShort (glActiveShaderProgram)
+ && FindProcShort (glCreateShaderProgramv)
+ && FindProcShort (glBindProgramPipeline)
+ && FindProcShort (glDeleteProgramPipelines)
+ && FindProcShort (glGenProgramPipelines)
+ && FindProcShort (glIsProgramPipeline)
+ && FindProcShort (glGetProgramPipelineiv)
+ && FindProcShort (glProgramUniform1i)
+ && FindProcShort (glProgramUniform2i)
+ && FindProcShort (glProgramUniform3i)
+ && FindProcShort (glProgramUniform4i)
+ && FindProcShort (glProgramUniform1ui)
+ && FindProcShort (glProgramUniform2ui)
+ && FindProcShort (glProgramUniform3ui)
+ && FindProcShort (glProgramUniform4ui)
+ && FindProcShort (glProgramUniform1f)
+ && FindProcShort (glProgramUniform2f)
+ && FindProcShort (glProgramUniform3f)
+ && FindProcShort (glProgramUniform4f)
+ && FindProcShort (glProgramUniform1iv)
+ && FindProcShort (glProgramUniform2iv)
+ && FindProcShort (glProgramUniform3iv)
+ && FindProcShort (glProgramUniform4iv)
+ && FindProcShort (glProgramUniform1uiv)
+ && FindProcShort (glProgramUniform2uiv)
+ && FindProcShort (glProgramUniform3uiv)
+ && FindProcShort (glProgramUniform4uiv)
+ && FindProcShort (glProgramUniform1fv)
+ && FindProcShort (glProgramUniform2fv)
+ && FindProcShort (glProgramUniform3fv)
+ && FindProcShort (glProgramUniform4fv)
+ && FindProcShort (glProgramUniformMatrix2fv)
+ && FindProcShort (glProgramUniformMatrix3fv)
+ && FindProcShort (glProgramUniformMatrix4fv)
+ && FindProcShort (glProgramUniformMatrix2x3fv)
+ && FindProcShort (glProgramUniformMatrix3x2fv)
+ && FindProcShort (glProgramUniformMatrix2x4fv)
+ && FindProcShort (glProgramUniformMatrix4x2fv)
+ && FindProcShort (glProgramUniformMatrix3x4fv)
+ && FindProcShort (glProgramUniformMatrix4x3fv)
+ && FindProcShort (glValidateProgramPipeline)
+ && FindProcShort (glGetProgramPipelineInfoLog)
+ && FindProcShort (glBindImageTexture)
+ && FindProcShort (glGetBooleani_v)
+ && FindProcShort (glMemoryBarrier)
+ && FindProcShort (glMemoryBarrierByRegion)
+ && FindProcShort (glTexStorage2DMultisample)
+ && FindProcShort (glGetMultisamplefv)
+ && FindProcShort (glSampleMaski)
+ && FindProcShort (glGetTexLevelParameteriv)
+ && FindProcShort (glGetTexLevelParameterfv)
+ && FindProcShort (glBindVertexBuffer)
+ && FindProcShort (glVertexAttribFormat)
+ && FindProcShort (glVertexAttribIFormat)
+ && FindProcShort (glVertexAttribBinding)
+ && FindProcShort (glVertexBindingDivisor);
+ if (!has31es)
+ {
+ checkWrongVersion (3, 1, aLastFailedProc);
+ }
+
// initialize debug context extension
- if (CheckExtension ("GL_KHR_debug"))
+ if (IsGlGreaterEqual (3, 2)
+ || CheckExtension ("GL_KHR_debug"))
{
// this functionality become a part of OpenGL ES 3.2
arbDbg = NULL;
+ if (IsGlGreaterEqual (3, 2)
+ && FindProcShort (glDebugMessageControl)
+ && FindProcShort (glDebugMessageInsert)
+ && FindProcShort (glDebugMessageCallback)
+ && FindProcShort (glGetDebugMessageLog))
+ {
+ arbDbg = (OpenGl_ArbDbg* )(&(*myFuncs));
+ }
// 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)
+ else if (!IsGlGreaterEqual (3, 2)
+ && FindProc ("glDebugMessageControlKHR", myFuncs->glDebugMessageControl)
&& FindProc ("glDebugMessageInsertKHR", myFuncs->glDebugMessageInsert)
&& FindProc ("glDebugMessageCallbackKHR", myFuncs->glDebugMessageCallback)
&& FindProc ("glGetDebugMessageLogKHR", myFuncs->glGetDebugMessageLog))
}
}
+ // load OpenGL ES 3.2 new functions
+ const bool has32es = IsGlGreaterEqual (3, 2)
+ && has31es
+ && hasTexBuffer32
+ && arbDbg != NULL
+ && FindProcShort (glBlendBarrier)
+ && FindProcShort (glCopyImageSubData)
+ && FindProcShort (glPushDebugGroup)
+ && FindProcShort (glPopDebugGroup)
+ && FindProcShort (glObjectLabel)
+ && FindProcShort (glGetObjectLabel)
+ && FindProcShort (glObjectPtrLabel)
+ && FindProcShort (glGetObjectPtrLabel)
+ && FindProcShort (glGetPointerv)
+ && FindProcShort (glEnablei)
+ && FindProcShort (glDisablei)
+ && FindProcShort (glBlendEquationi)
+ && FindProcShort (glBlendEquationSeparatei)
+ && FindProcShort (glBlendFunci)
+ && FindProcShort (glBlendFuncSeparatei)
+ && FindProcShort (glColorMaski)
+ && FindProcShort (glIsEnabledi)
+ && FindProcShort (glDrawElementsBaseVertex)
+ && FindProcShort (glDrawRangeElementsBaseVertex)
+ && FindProcShort (glDrawElementsInstancedBaseVertex)
+ && FindProcShort (glFramebufferTexture)
+ && FindProcShort (glPrimitiveBoundingBox)
+ && FindProcShort (glGetGraphicsResetStatus)
+ && FindProcShort (glReadnPixels)
+ && FindProcShort (glGetnUniformfv)
+ && FindProcShort (glGetnUniformiv)
+ && FindProcShort (glGetnUniformuiv)
+ && FindProcShort (glMinSampleShading)
+ && FindProcShort (glPatchParameteri)
+ && FindProcShort (glTexParameterIiv)
+ && FindProcShort (glTexParameterIuiv)
+ && FindProcShort (glGetTexParameterIiv)
+ && FindProcShort (glGetTexParameterIuiv)
+ && FindProcShort (glSamplerParameterIiv)
+ && FindProcShort (glSamplerParameterIuiv)
+ && FindProcShort (glGetSamplerParameterIiv)
+ && FindProcShort (glGetSamplerParameterIuiv)
+ && FindProcShort (glTexBufferRange)
+ && FindProcShort (glTexStorage3DMultisample);
+ if (!has32es)
+ {
+ checkWrongVersion (3, 2, aLastFailedProc);
+ }
+
extDrawBuffers = CheckExtension ("GL_EXT_draw_buffers") && FindProc ("glDrawBuffersEXT", myFuncs->glDrawBuffers);
arbDrawBuffers = CheckExtension ("GL_ARB_draw_buffers") && FindProc ("glDrawBuffersARB", myFuncs->glDrawBuffers);
myTexClamp = IsGlGreaterEqual (1, 2) ? GL_CLAMP_TO_EDGE : GL_CLAMP;
hasTexRGBA8 = Standard_True;
- hasTexSRGB = IsGlGreaterEqual (2, 0);
+ hasTexSRGB = IsGlGreaterEqual (2, 1);
hasFboSRGB = IsGlGreaterEqual (2, 1);
hasSRGBControl = hasFboSRGB;
arbDrawBuffers = CheckExtension ("GL_ARB_draw_buffers");
|| CheckExtension ("GL_ARB_texture_float");
hasTexFloatLinear = arbTexFloat;
arbSampleShading = CheckExtension ("GL_ARB_sample_shading");
- extBgra = CheckExtension ("GL_EXT_bgra");
+ extBgra = IsGlGreaterEqual (1, 2)
+ || 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");
+ if (extBgra)
+ {
+ mySupportedFormats->Add (Image_PixMap::ImgBGR);
+ mySupportedFormats->Add (Image_PixMap::ImgBGR32);
+ mySupportedFormats->Add (Image_PixMap::ImgBGRA);
+ }
+
hasDrawBuffers = IsGlGreaterEqual (2, 0) ? OpenGl_FeatureInCore :
arbDrawBuffers ? OpenGl_FeatureInExtensions
: OpenGl_FeatureNotAvailable;
core15 = (OpenGl_GlCore15* )(&(*myFuncs));
}
core15fwd = (OpenGl_GlCore15Fwd* )(&(*myFuncs));
+ hasGetBufferData = true;
}
else
{
// but doesn't hardware accelerated by some ancient OpenGL 2.1 hardware (GeForce FX, RadeOn 9700 etc.)
arbNPTW = Standard_True;
arbTexRG = Standard_True;
+
+ if (!isCoreProfile)
+ {
+ core30 = (OpenGl_GlCore30* )(&(*myFuncs));
+ }
+ core30fwd = (OpenGl_GlCore30Fwd* )(&(*myFuncs));
}
// load OpenGL 3.1 new functions
#endif
if (!myIsSRgbWindow)
{
- Message::DefaultMessenger()->Send ("OpenGl_Context, warning: window buffer is not sRGB-ready.\n"
- "Check OpenGL window creation parameters for optimal performance.", Message_Trace);
+ Message::SendTrace ("OpenGl_Context, warning: window buffer is not sRGB-ready.\n"
+ "Check OpenGL window creation parameters for optimal performance.");
+ }
+ }
+
+ if (arbTexFloat)
+ {
+ mySupportedFormats->Add (Image_Format_GrayF);
+ mySupportedFormats->Add (Image_Format_AlphaF);
+ mySupportedFormats->Add (Image_Format_RGBF);
+ mySupportedFormats->Add (Image_Format_RGBAF);
+ if (arbTexRG)
+ {
+ mySupportedFormats->Add (Image_Format_RGF);
+ }
+ if (extBgra)
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ mySupportedFormats->Add (Image_Format_BGRF);
+ #endif
+ mySupportedFormats->Add (Image_Format_BGRAF);
+ }
+ }
+
+#ifdef __EMSCRIPTEN__
+ if (checkEnableWebGlExtension (*this, "GL_WEBGL_compressed_texture_s3tc")) // GL_WEBGL_compressed_texture_s3tc_srgb for sRGB formats
+ {
+ mySupportedFormats->Add (Image_CompressedFormat_RGB_S3TC_DXT1);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT1);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT3);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT5);
+ }
+#else
+ if (CheckExtension ("GL_EXT_texture_compression_s3tc")) // GL_EXT_texture_sRGB for sRGB formats
+ {
+ mySupportedFormats->Add (Image_CompressedFormat_RGB_S3TC_DXT1);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT1);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT3);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT5);
+ }
+ else
+ {
+ if (CheckExtension ("GL_EXT_texture_compression_dxt1"))
+ {
+ mySupportedFormats->Add (Image_CompressedFormat_RGB_S3TC_DXT1);
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT1);
+ }
+ if (CheckExtension ("GL_ANGLE_texture_compression_dxt3"))
+ {
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT3);
+ }
+ if (CheckExtension ("GL_ANGLE_texture_compression_dxt5"))
+ {
+ mySupportedFormats->Add (Image_CompressedFormat_RGBA_S3TC_DXT5);
}
}
+#endif
// check whether PBR shading model is supported
myHasPBR = arbFBO != NULL
}
else
{
- OpenGl_Sampler::applySamplerParams (aThisCtx, aTextureNew->Sampler()->Parameters(), aTextureNew->Sampler().get(), aTextureNew->GetTarget(), aTextureNew->HasMipmaps());
+ OpenGl_Sampler::applySamplerParams (aThisCtx, aTextureNew->Sampler()->Parameters(), aTextureNew->Sampler().get(), aTextureNew->GetTarget(), aTextureNew->MaxMipmapLevel());
}
}
#if !defined(GL_ES_VERSION_2_0)
// function : SetTextureMatrix
// purpose :
// =======================================================================
-void OpenGl_Context::SetTextureMatrix (const Handle(Graphic3d_TextureParams)& theParams)
+void OpenGl_Context::SetTextureMatrix (const Handle(Graphic3d_TextureParams)& theParams,
+ const Standard_Boolean theIsTopDown)
{
if (theParams.IsNull())
{
return;
}
- else if (!myActiveProgram.IsNull())
+
+ const Graphic3d_Vec2& aScale = theParams->Scale();
+ const Graphic3d_Vec2& aTrans = theParams->Translation();
+ if (!myActiveProgram.IsNull())
{
const GLint aUniLoc = myActiveProgram->GetStateLocation (OpenGl_OCCT_TEXTURE_TRSF2D);
if (aUniLoc == OpenGl_ShaderProgram::INVALID_LOCATION)
// pack transformation parameters
OpenGl_Vec4 aTrsf[2] =
{
- OpenGl_Vec4 (-theParams->Translation().x(),
- -theParams->Translation().y(),
- theParams->Scale().x(),
- theParams->Scale().y()),
+ OpenGl_Vec4 (-aTrans.x(), -aTrans.y(), aScale.x(), aScale.y()),
OpenGl_Vec4 (static_cast<float> (std::sin (-theParams->Rotation() * M_PI / 180.0)),
static_cast<float> (std::cos (-theParams->Rotation() * M_PI / 180.0)),
0.0f, 0.0f)
};
+ if (caps->isTopDownTextureUV != theIsTopDown)
+ {
+ // flip V
+ aTrsf[0].y() = -aTrans.y() + 1.0f / aScale.y();
+ aTrsf[0].w() = -aScale.y();
+ }
myActiveProgram->SetUniform (this, aUniLoc, 2, aTrsf);
return;
}
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);
+ if (caps->isTopDownTextureUV != theIsTopDown)
+ {
+ // flip V
+ Graphic3d_TransformUtils::Scale (aTextureMat, aScale.x(), -aScale.y(), 1.0f);
+ Graphic3d_TransformUtils::Translate (aTextureMat, -aTrans.x(), -aTrans.y() + 1.0f / aScale.y(), 0.0f);
+ }
+ else
+ {
+ 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);
}
return anOldGlNormalize;
}
+// =======================================================================
+// function : SetShadeModel
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetShadeModel (Graphic3d_TypeOfShadingModel theModel)
+{
+#if !defined(GL_ES_VERSION_2_0)
+ if (core11 != NULL)
+ {
+ const Standard_Integer aModel = theModel == Graphic3d_TOSM_FACET
+ || theModel == Graphic3d_TOSM_PBR_FACET ? GL_FLAT : GL_SMOOTH;
+ if (myShadeModel == aModel)
+ {
+ return;
+ }
+ myShadeModel = aModel;
+ core11->glShadeModel (aModel);
+ }
+#else
+ (void )theModel;
+#endif
+}
+
// =======================================================================
// function : SetPolygonMode
// purpose :
myPolygonOffset = theOffset;
}
+// =======================================================================
+// function : SetCamera
+// purpose :
+// =======================================================================
+void OpenGl_Context::SetCamera (const Handle(Graphic3d_Camera)& theCamera)
+{
+ myCamera = theCamera;
+ if (!theCamera.IsNull())
+ {
+ ProjectionState.SetCurrent (theCamera->ProjectionMatrixF());
+ WorldViewState .SetCurrent (theCamera->OrientationMatrixF());
+ ApplyProjectionMatrix();
+ ApplyWorldViewMatrix();
+ }
+}
+
// =======================================================================
// function : ApplyModelWorldMatrix
// purpose :
return anOldValue;
}
+// =======================================================================
+// function : GetBufferSubData
+// purpose :
+// =======================================================================
+bool OpenGl_Context::GetBufferSubData (GLenum theTarget, GLintptr theOffset, GLsizeiptr theSize, void* theData)
+{
+ if (!hasGetBufferData)
+ {
+ return false;
+ }
+#ifdef __EMSCRIPTEN__
+ EM_ASM_(
+ {
+ Module.ctx.getBufferSubData($0, $1, HEAPU8.subarray($2, $2 + $3));
+ }, theTarget, theOffset, theData, theSize);
+ return true;
+#elif defined(GL_ES_VERSION_2_0)
+ if (void* aData = core30fwd->glMapBufferRange (theTarget, theOffset, theSize, GL_MAP_READ_BIT))
+ {
+ memcpy (theData, aData, theSize);
+ core30fwd->glUnmapBuffer (theTarget);
+ return true;
+ }
+ return false;
+#else
+ core15fwd->glGetBufferSubData (theTarget, theOffset, theSize, theData);
+ return true;
+#endif
+}
+
// =======================================================================
// function : DumpJson
// purpose :