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Diffstat (limited to 'src/Authoring/Studio/Render/StudioRotationWidget.cpp')
| -rw-r--r-- | src/Authoring/Studio/Render/StudioRotationWidget.cpp | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/src/Authoring/Studio/Render/StudioRotationWidget.cpp b/src/Authoring/Studio/Render/StudioRotationWidget.cpp deleted file mode 100644 index f3e06cd6..00000000 --- a/src/Authoring/Studio/Render/StudioRotationWidget.cpp +++ /dev/null @@ -1,436 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2006 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#include "Qt3DSCommonPrecompile.h" -#include "StudioWidgetImpl.h" -#include "foundation/Qt3DSAtomic.h" -#include "render/Qt3DSRenderContext.h" -#include "render/Qt3DSRenderVertexBuffer.h" -#include "Qt3DSRenderNode.h" -#include "foundation/Qt3DSContainers.h" -#include "Qt3DSRenderShaderCodeGeneratorV2.h" -#include "Qt3DSRenderCamera.h" -#include "render/Qt3DSRenderShaderProgram.h" -#include "StudioUtils.h" -#include "StudioPreferences.h" - -using namespace qt3ds::widgets; - -namespace { - -struct SRotationWidget : public SStudioWidgetImpl<StudioWidgetTypes::Rotation> -{ - typedef SStudioWidgetImpl<StudioWidgetTypes::Rotation> TBase; - NVRenderInputAssembler *m_XAxis; - NVRenderInputAssembler *m_YAxis; - NVRenderInputAssembler *m_ZAxis; - NVRenderInputAssembler *m_CameraAxis; - // We use a rect to clear the Z buffer. - NVRenderInputAssembler *m_CameraRect; - - NVRenderShaderProgram *m_ZClearShader; - - volatile QT3DSI32 mRefCount; - - SRotationWidget(NVAllocatorCallback &inAlloc) - : TBase(inAlloc) - , m_XAxis(nullptr) - , m_YAxis(nullptr) - , m_ZAxis(nullptr) - , m_CameraAxis(nullptr) - , m_CameraRect(nullptr) - , m_ZClearShader(nullptr) - , mRefCount(0) - { - } - - QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Allocator) - - NVRenderInputAssembler *CreateRing(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext, QT3DSVec3 inDirection, - QT3DSF32 inInnerRadius, QT3DSF32 inOuterRadius, QT3DSF32 inRingColor, - const char *inRingName) - { - QT3DS_ASSERT(inInnerRadius <= inOuterRadius); - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr(inRingName); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) { - return retval; - } - - TResultVecType theVertexData(m_Allocator, "SRotationWidget::theVertexData"); - - QT3DSI32 numSubDivisions = 50; - QT3DSF32 arcRad = 360.0f / (QT3DSF32)numSubDivisions; - TORAD(arcRad); - QT3DSVec3 tempCross = inDirection.cross(QT3DSVec3(0, 1, 0)); - if (tempCross.magnitudeSquared() < .05f) - tempCross = inDirection.cross(QT3DSVec3(1, 0, 0)); - - QT3DSVec3 upDir = inDirection.cross(tempCross); - QT3DSVec3 leftDir = upDir.cross(inDirection); - upDir.normalize(); - leftDir.normalize(); - - QT3DSF32 ringWidth = inOuterRadius - inInnerRadius; - QT3DSF32 ringHalfWidth = ringWidth / 2.0f; - QT3DSF32 middleRadius = inInnerRadius + ringHalfWidth; - - for (QT3DSI32 idx = 0, numLooper = numSubDivisions; idx < numLooper; ++idx) { - QT3DSF32 startDeg = idx * 360.0f / numSubDivisions; - QT3DSF32 endDeg = (idx + 1) * 360.0f / numSubDivisions; - QT3DSF32 startRad(startDeg); - QT3DSF32 endRad(endDeg); - TORAD(startRad); - TORAD(endRad); - QT3DSF32 startSin = NVSin(startRad); - QT3DSF32 endSin = NVSin(endRad); - QT3DSF32 startCos = NVCos(startRad); - QT3DSF32 endCos = NVCos(endRad); - - QT3DSVec3 startDir = startSin * upDir + startCos * leftDir; - QT3DSVec3 endDir = endSin * upDir + endCos * leftDir; - - QT3DSVec3 discStart = startDir * inInnerRadius; - QT3DSVec3 discEnd = endDir * inInnerRadius; - QT3DSVec3 ringStart = startDir * inOuterRadius; - QT3DSVec3 ringEnd = endDir * inOuterRadius; - - QT3DSVec3 middleStart = startDir * (middleRadius); - QT3DSVec3 middleEnd = endDir * (middleRadius); - QT3DSVec3 middleTopLeft = middleStart + inDirection * ringHalfWidth; - QT3DSVec3 middleTopRight = middleStart - inDirection * ringHalfWidth; - QT3DSVec3 middleBottomLeft = middleEnd + inDirection * ringHalfWidth; - QT3DSVec3 middleBottomRight = middleEnd - inDirection * ringHalfWidth; - - // Now two tris for the ring - theVertexData.push_back(QT3DSVec4(discStart, inRingColor)); - theVertexData.push_back(QT3DSVec4(ringStart, inRingColor)); - theVertexData.push_back(QT3DSVec4(ringEnd, inRingColor)); - theVertexData.push_back(QT3DSVec4(ringEnd, inRingColor)); - theVertexData.push_back(QT3DSVec4(discEnd, inRingColor)); - theVertexData.push_back(QT3DSVec4(discStart, inRingColor)); - // Two tris for the ring that is perpendicular to the viewer - theVertexData.push_back(QT3DSVec4(middleTopLeft, inRingColor)); - theVertexData.push_back(QT3DSVec4(middleTopRight, inRingColor)); - theVertexData.push_back(QT3DSVec4(middleBottomRight, inRingColor)); - theVertexData.push_back(QT3DSVec4(middleBottomRight, inRingColor)); - theVertexData.push_back(QT3DSVec4(middleBottomLeft, inRingColor)); - theVertexData.push_back(QT3DSVec4(middleTopLeft, inRingColor)); - } - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - IStudioWidget::GetVertexBufferAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), nullptr, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - - return retval; - } - - NVRenderInputAssembler *CreateRect(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext, QT3DSVec3 inDirection, - QT3DSF32 inHalfWidth, const char *inItemName) - { - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr(inItemName); - NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName); - if (retval) { - return retval; - } - - QT3DSVec3 tempCross = inDirection.cross(QT3DSVec3(0, 1, 0)); - if (tempCross.magnitudeSquared() < .05f) - tempCross = inDirection.cross(QT3DSVec3(1, 0, 0)); - - QT3DSVec3 upDir = inDirection.cross(tempCross); - QT3DSVec3 leftDir = upDir.cross(inDirection); - - TResultVecType theVertexData(m_Allocator, "SRotationWidget::theVertexData"); - - theVertexData.push_back(QT3DSVec4(upDir * inHalfWidth, 0.0f)); - theVertexData.push_back(QT3DSVec4(leftDir * inHalfWidth, 0.0f)); - theVertexData.push_back(QT3DSVec4(upDir * -1.0f * inHalfWidth, 0.0f)); - - theVertexData.push_back(QT3DSVec4(upDir * -1.0f * inHalfWidth, 0.0f)); - theVertexData.push_back(QT3DSVec4(leftDir * -1.0f * inHalfWidth, 0.0f)); - theVertexData.push_back(QT3DSVec4(upDir * inHalfWidth, 0.0f)); - - QT3DSU32 stride; - QT3DSU32 offset = 0; - NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout( - IStudioWidget::GetVertexBufferAttributesAndStride(stride)); - NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer( - theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size())); - - retval = &inWidgetContext.GetOrCreateInputAssembler( - theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), nullptr, - toConstDataRef(&stride, 1), toConstDataRef(&offset, 1)); - return retval; - } - - NVRenderShaderProgram *CreateZClearShader(IRenderWidgetContext &inWidgetContext, - NVRenderContext &inRenderContext, - const char *inItemName) - { - CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr(inItemName); - NVRenderShaderProgram *retval = inWidgetContext.GetShader(theItemName); - if (retval) { - return retval; - } - - qt3ds::render::IShaderProgramGenerator &theGenerator(inWidgetContext.GetProgramGenerator()); - theGenerator.BeginProgram(); - qt3ds::render::IShaderStageGenerator &theVertexGenerator( - *theGenerator.GetStage(qt3ds::render::ShaderGeneratorStages::Vertex)); - qt3ds::render::IShaderStageGenerator &theFragmentGenerator( - *theGenerator.GetStage(qt3ds::render::ShaderGeneratorStages::Fragment)); - theVertexGenerator.AddIncoming("attr_pos", "vec3"); - theVertexGenerator.AddUniform("model_view_projection", "mat4"); - theVertexGenerator.Append("void main() {"); - theVertexGenerator.Append("\tgl_Position = model_view_projection * vec4(attr_pos, 1.0);"); - theVertexGenerator.Append("}"); - theFragmentGenerator.Append("void main() {"); - theFragmentGenerator.Append("\tgl_FragColor.rgb = vec3(0.0, 0.0, 0.0);"); - theFragmentGenerator.Append("\tgl_FragColor.a = 1.0;"); - theFragmentGenerator.Append("}"); - return inWidgetContext.CompileAndStoreShader(theItemName); - } - - static inline QT3DSVec3 ToFixedCameraPos(const QT3DSVec3 &inCameraPos, const SCamera &inCamera) - { - if (inCamera.m_Flags.IsOrthographic()) { - return QT3DSVec3(inCameraPos.x, inCameraPos.y, -600.f); - } - QT3DSF32 multiplier = -600.f / inCameraPos.z; - return inCameraPos * multiplier; - } - - void Render(IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext) override - { - // Widgets have to clear the depth buffer; they shouldn't interact with other components - // but they should self-occlude. - inRenderContext.SetDepthWriteEnabled(true); - inRenderContext.Clear(qt3ds::render::NVRenderClearValues::Depth); - inRenderContext.SetBlendFunction( - qt3ds::render::NVRenderBlendFunctionArgument( - qt3ds::render::NVRenderSrcBlendFunc::SrcAlpha, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha, - qt3ds::render::NVRenderSrcBlendFunc::One, - qt3ds::render::NVRenderDstBlendFunc::OneMinusSrcAlpha)); - inRenderContext.SetBlendEquation( - qt3ds::render::NVRenderBlendEquationArgument( - NVRenderBlendEquation::Add, NVRenderBlendEquation::Add)); - - float pixelRatio = float(StudioUtils::devicePixelRatio()); - QT3DSF32 theRingRadius = 2 * CStudioPreferences::getSelectorLineLength() * pixelRatio; - QT3DSF32 theRingWidth = CStudioPreferences::getSelectorLineWidth() * pixelRatio; - QT3DSF32 theRingInner = theRingRadius; - QT3DSF32 theRingOuter = theRingRadius + theRingWidth; - if (m_XAxis == nullptr) { - TBase::SetupRender(inWidgetContext, inRenderContext); - m_PickShader = IStudioWidget::CreateWidgetPickShader(inWidgetContext, inRenderContext); - m_XAxis = CreateRing(inWidgetContext, inRenderContext, QT3DSVec3(-1, 0, 0), - theRingInner, theRingOuter, 0.0f, "RotationWidgetXAxis"); - m_YAxis = CreateRing(inWidgetContext, inRenderContext, QT3DSVec3(0, -1, 0), - theRingInner, theRingOuter, 0.0f, "RotationWidgetYAxis"); - m_ZAxis = CreateRing(inWidgetContext, inRenderContext, QT3DSVec3(0, 0, -1), - theRingInner, theRingOuter, 0.0f, "RotationWidgetZAxis"); - m_CameraAxis = - CreateRing(inWidgetContext, inRenderContext, QT3DSVec3(0, 0, -1), - theRingInner + 5, theRingOuter + 5, 0.0f, - "RotationWidgetCameraAxis"); - m_CameraRect = CreateRect(inWidgetContext, inRenderContext, QT3DSVec3(0, 0, -1), 200.0f, - "RotationWidgetZClear"); - m_ZClearShader = - CreateZClearShader(inWidgetContext, inRenderContext, "RotationWidgetZClear"); - } - QT3DSVec3 theXColor(GetXAxisColor()); - QT3DSVec3 theYColor(GetYAxisColor()); - QT3DSVec3 theZColor(GetZAxisColor()); - QT3DSVec3 theRingColor(QT3DSVec3(.8f, .8f, .8f)); - - QT3DSMat44 theMVP = TBase::SetupMVP(inWidgetContext); - inRenderContext.SetCullingEnabled(false); - QT3DSMat44 theCameraMVP = m_WidgetInfo.m_LayerProjection * m_CameraTranslationScale; - - inRenderContext.SetBlendingEnabled(false); - inRenderContext.SetColorWritesEnabled(false); - inRenderContext.SetDepthTestEnabled(false); - inRenderContext.SetDepthWriteEnabled(true); - inRenderContext.SetActiveShader(m_ZClearShader); - inRenderContext.SetInputAssembler(m_CameraRect); - m_ZClearShader->SetPropertyValue("model_view_projection", theCameraMVP); - inRenderContext.Draw(NVRenderDrawMode::Triangles, m_CameraRect->GetVertexCount(), 0); - - inRenderContext.SetColorWritesEnabled(true); - inRenderContext.SetActiveShader(m_Shader); - m_Shader->SetPropertyValue("model_view_projection", theCameraMVP); - inRenderContext.SetDepthTestEnabled(false); - inRenderContext.SetDepthWriteEnabled(false); - RenderSingleToneGeometry(StudioWidgetComponentIds::CameraPlane, theRingColor, - inRenderContext, m_CameraAxis); - - inRenderContext.SetDepthTestEnabled(true); - inRenderContext.SetActiveShader(m_Shader); - m_Shader->SetPropertyValue("model_view_projection", theMVP); - RenderSingleToneGeometry(StudioWidgetComponentIds::XAxis, theXColor, inRenderContext, - m_XAxis); - RenderSingleToneGeometry(StudioWidgetComponentIds::YAxis, theYColor, inRenderContext, - m_YAxis); - RenderSingleToneGeometry(StudioWidgetComponentIds::ZAxis, theZColor, inRenderContext, - m_ZAxis); - - if (m_RotationWedge.hasValue()) { - BeginImmediateDrawing(inWidgetContext, inRenderContext); - - QT3DSMat33 theMVPRotation(m_WidgetInfo.m_CameraGlobalInverse.column0.getXYZ(), - m_WidgetInfo.m_CameraGlobalInverse.column1.getXYZ(), - m_WidgetInfo.m_CameraGlobalInverse.column2.getXYZ()); - theMVPRotation = theMVPRotation.getInverse().getTranspose(); - - QT3DSVec3 theRotationAxis = theMVPRotation.transform(m_RotationWedge->m_RotationAxis); - QT3DSVec3 theStartDirection = theMVPRotation.transform(m_RotationWedge->m_StartDirection); - theRotationAxis.normalize(); - theStartDirection.normalize(); - inRenderContext.SetDepthWriteEnabled(true); - inRenderContext.Clear(qt3ds::render::NVRenderClearValues::Depth); - inRenderContext.SetDepthWriteEnabled(false); - inRenderContext.SetDepthTestEnabled(false); - inRenderContext.SetBlendingEnabled(true); - QT3DSVec4 lineColor(1.0f, 1.0f, 1.0f, .7f); - QT3DSVec4 fillColor(1.0f, 1.0f, 1.0f, .2f); - switch (m_Highlight) { - default: - break; - case StudioWidgetComponentIds::XAxis: - lineColor = QT3DSVec4(theXColor, .7f); - fillColor = QT3DSVec4(theXColor, .2f); - break; - case StudioWidgetComponentIds::YAxis: - lineColor = QT3DSVec4(theYColor, .7f); - fillColor = QT3DSVec4(theYColor, .2f); - break; - case StudioWidgetComponentIds::ZAxis: - lineColor = QT3DSVec4(theZColor, .7f); - fillColor = QT3DSVec4(theZColor, .2f); - break; - } - QT3DSVec3 theStartPos(m_WidgetInfo.m_Position); - QT3DSF32 theStartLineLen = theRingOuter * m_WidgetInfo.m_Scale; - if (m_Highlight == StudioWidgetComponentIds::CameraPlane) - theStartLineLen = (theRingOuter + 5) * m_WidgetInfo.m_Scale; - // Get the end line length in camera space. - QT3DSVec3 theGlobalStart = m_Node->GetGlobalPivot(); - QT3DSQuat theGlobalRot(m_RotationWedge->m_Angle, m_RotationWedge->m_RotationAxis); - QT3DSVec3 theGlobalDir = theGlobalRot.rotate(m_RotationWedge->m_StartDirection); - QT3DSVec3 theGlobalEnd = theGlobalStart + theGlobalDir * m_RotationWedge->m_EndLineLen; - // Transform both start, end into camera space and get the length of the resulting - // vector - QT3DSVec3 theCameraEnd = m_WidgetInfo.m_CameraGlobalInverse.transform(theGlobalEnd); - // Draw lines in world space - SCamera &theCamera(*m_WidgetInfo.m_Camera); - QT3DSVec3 lineStart(ToFixedCameraPos(theStartPos, theCamera)); - QT3DSVec3 startLineEnd( - ToFixedCameraPos(theStartPos + theStartDirection * theStartLineLen, theCamera)); - QT3DSVec3 endLineEnd(ToFixedCameraPos(theCameraEnd, theCamera)); - DrawImmediateLine(lineStart, startLineEnd, 1.0f, lineColor); - DrawImmediateLine(lineStart, endLineEnd, 1.0f, lineColor); - DrawFilledArc(theStartPos, theStartDirection, theStartLineLen, theRotationAxis, - m_RotationWedge->m_Angle, fillColor); - // Now setup the model-view-projection. - QT3DSMat44 theProjection = m_WidgetInfo.m_LayerProjection; - EndImmediateDrawing(inWidgetContext, inRenderContext, theProjection); - - // Now we attempt to render some text. First we format it. - - char textBuffer[25] = { 0 }; - QT3DSF32 angleDeg(m_RotationWedge->m_Angle); - TODEG(angleDeg); - sprintf(textBuffer, " %.1f ", -angleDeg); // spaces added for margin - STextRenderInfo theInfo; - theInfo.m_Text = inRenderContext.GetStringTable().RegisterStr(textBuffer); - theInfo.m_HorizontalAlignment = TextHorizontalAlignment::Center; - theInfo.m_VerticalAlignment = TextVerticalAlignment::Bottom; - theInfo.m_FontSize = 24.0f * pixelRatio; - theInfo.m_Font = inRenderContext.GetStringTable().RegisterStr("TitilliumWeb-Regular"); - QT3DSMat44 theTransMatrix(QT3DSMat44::createIdentity()); - theTransMatrix.column3.x = endLineEnd.x; - theTransMatrix.column3.y = endLineEnd.y; - theTransMatrix.column3.z = endLineEnd.z; - // We want to scale the text *down* so that it looks better. - theTransMatrix.column0[0] = m_WidgetInfo.m_Scale * .8f; - theTransMatrix.column1[1] = m_WidgetInfo.m_Scale * .8f; - theTransMatrix.column2[2] = m_WidgetInfo.m_Scale * .8f; - QT3DSMat44 theTextMVP = theProjection * theTransMatrix; - inWidgetContext.RenderText(theInfo, QT3DSVec3(1.0f, 1.0f, 1.0f), - QT3DSVec3(.2f, .2f, .2f), theTextMVP); - } - m_Highlight = StudioWidgetComponentIds::NoId; - } - - void RenderPick(const QT3DSMat44 &inProjPremult, NVRenderContext &inRenderContext, - QSize /*inWinDimensions*/) override - { - if (m_XAxis && m_PickShader) { - QT3DSMat44 theCameraMVP = - inProjPremult * m_WidgetInfo.m_PureProjection * m_CameraTranslationScale; - QT3DSMat44 theMVP = inProjPremult * m_WidgetInfo.m_PureProjection * m_TranslationScale; - - inRenderContext.SetDepthWriteEnabled(true); - inRenderContext.Clear(qt3ds::render::NVRenderClearValues::Depth); - inRenderContext.SetDepthTestEnabled(false); - inRenderContext.SetDepthWriteEnabled(true); - inRenderContext.SetBlendingEnabled(true); - inRenderContext.SetCullingEnabled(false); - inRenderContext.SetActiveShader(m_ZClearShader); - m_ZClearShader->SetPropertyValue("model_view_projection", theCameraMVP); - inRenderContext.SetInputAssembler(m_CameraRect); - inRenderContext.Draw(NVRenderDrawMode::Triangles, m_CameraRect->GetVertexCount(), 0); - - inRenderContext.SetActiveShader(m_PickShader); - m_PickShader->SetPropertyValue("model_view_projection", theCameraMVP); - RenderPickBuffer(StudioWidgetComponentIds::CameraPlane, m_CameraAxis, inRenderContext); - - m_PickShader->SetPropertyValue("model_view_projection", theMVP); - - RenderPickBuffer(StudioWidgetComponentIds::XAxis, m_XAxis, inRenderContext); - RenderPickBuffer(StudioWidgetComponentIds::YAxis, m_YAxis, inRenderContext); - RenderPickBuffer(StudioWidgetComponentIds::ZAxis, m_ZAxis, inRenderContext); - } - } -}; -} - -IStudioWidget &IStudioWidget::CreateRotationWidget(NVAllocatorCallback &inAlloc) -{ - return *QT3DS_NEW(inAlloc, SRotationWidget)(inAlloc); -} |