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-rw-r--r--src/Authoring/Studio/Render/StudioGradientWidget.cpp200
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diff --git a/src/Authoring/Studio/Render/StudioGradientWidget.cpp b/src/Authoring/Studio/Render/StudioGradientWidget.cpp
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index 1b514f65..00000000
--- a/src/Authoring/Studio/Render/StudioGradientWidget.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2018 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 "StudioGradientWidget.h"
-
-namespace qt3ds {
-namespace widgets {
-
-using namespace qt3ds::render;
-
-NVConstDataRef<NVRenderVertexBufferEntry>
-SGradientWidget::GetVertexBufferAttributesAndStride(QT3DSU32 &stride)
-{
- static NVRenderVertexBufferEntry theEntries[] = {
- NVRenderVertexBufferEntry("attr_pos", NVRenderComponentTypes::QT3DSF32, 3)
- };
-
- stride = 3 * sizeof(QT3DSF32);
-
- return toConstDataRef(theEntries, 1);
-}
-
-NVRenderInputAssembler *SGradientWidget::CreateSphere(IRenderWidgetContext &inWidgetContext,
- NVRenderContext &inRenderContext,
- QT3DSF32 radius)
-{
- CRegisteredString theItemName = inRenderContext.GetStringTable().RegisterStr("Gradient");
- NVRenderInputAssembler *retval = inWidgetContext.GetInputAssembler(theItemName);
- if (retval)
- return retval;
-
- nvvector<QT3DSVec3> theVertexData(m_allocator, "SGradientWidget::theVertexData");
- nvvector<QT3DSI8> theIndexData(m_allocator, "SGradientWidget::theIndexData");
-
- // the sphere is just a box
- theVertexData.push_back(QT3DSVec3(-radius, radius, -radius));
- theVertexData.push_back(QT3DSVec3(radius, radius, -radius));
- theVertexData.push_back(QT3DSVec3(radius, -radius, -radius));
- theVertexData.push_back(QT3DSVec3(-radius, -radius, -radius));
- theVertexData.push_back(QT3DSVec3(-radius, radius, radius));
- theVertexData.push_back(QT3DSVec3(radius, radius, radius));
- theVertexData.push_back(QT3DSVec3(radius, -radius, radius));
- theVertexData.push_back(QT3DSVec3(-radius, -radius, radius));
-
- theIndexData.push_back(0); theIndexData.push_back(1); theIndexData.push_back(2);
- theIndexData.push_back(0); theIndexData.push_back(2); theIndexData.push_back(3);
-
- theIndexData.push_back(1); theIndexData.push_back(5); theIndexData.push_back(6);
- theIndexData.push_back(1); theIndexData.push_back(6); theIndexData.push_back(2);
-
- theIndexData.push_back(5); theIndexData.push_back(4); theIndexData.push_back(7);
- theIndexData.push_back(5); theIndexData.push_back(7); theIndexData.push_back(6);
-
- theIndexData.push_back(4); theIndexData.push_back(0); theIndexData.push_back(3);
- theIndexData.push_back(4); theIndexData.push_back(3); theIndexData.push_back(7);
-
- theIndexData.push_back(4); theIndexData.push_back(5); theIndexData.push_back(1);
- theIndexData.push_back(4); theIndexData.push_back(1); theIndexData.push_back(0);
-
- theIndexData.push_back(6); theIndexData.push_back(7); theIndexData.push_back(3);
- theIndexData.push_back(6); theIndexData.push_back(3); theIndexData.push_back(2);
-
- QT3DSU32 stride;
- QT3DSU32 offset = 0;
- NVRenderAttribLayout *theAttribLayout = &inWidgetContext.CreateAttributeLayout(
- GetVertexBufferAttributesAndStride(stride));
- NVRenderVertexBuffer *theVertexBuffer = &inWidgetContext.GetOrCreateVertexBuffer(
- theItemName, stride, toU8DataRef(theVertexData.begin(), theVertexData.size()));
- NVRenderIndexBuffer *theIndexBuffer = &inWidgetContext.GetOrCreateIndexBuffer(
- theItemName, NVRenderComponentTypes::QT3DSU8, theIndexData.size(),
- toU8DataRef(theIndexData.begin(), theIndexData.size()));
- retval = &inWidgetContext.GetOrCreateInputAssembler(
- theItemName, theAttribLayout, toConstDataRef(&theVertexBuffer, 1), theIndexBuffer,
- toConstDataRef(&stride, 1), toConstDataRef(&offset, 1));
-
- return retval;
-}
-
-NVRenderShaderProgram *SGradientWidget::CreateGradientShader(IRenderWidgetContext &inWidgetContext,
- NVRenderContext &inRenderContext)
-{
- CRegisteredString itemName = inRenderContext.GetStringTable().RegisterStr("GradientShader");
- NVRenderShaderProgram *retval = inWidgetContext.GetShader(itemName);
- if (retval)
- return retval;
-
- IShaderProgramGenerator &generator(inWidgetContext.GetProgramGenerator());
- generator.BeginProgram();
- IShaderStageGenerator &vertGenerator(
- *generator.GetStage(ShaderGeneratorStages::Vertex));
- IShaderStageGenerator &fragGenerator(
- *generator.GetStage(ShaderGeneratorStages::Fragment));
- vertGenerator.AddIncoming("attr_pos", "vec3");
- vertGenerator.AddOutgoing("pos", "vec3");
- vertGenerator.AddUniform("normalMatrix", "mat3");
- vertGenerator.AddUniform("projectionMatrix", "mat4");
- vertGenerator.AddUniform("drawMode", "int");
- // These are required in order to scale the scale widget the way we want to scale it.
- vertGenerator.Append("void main() {");
- vertGenerator.Append("\tpos = attr_pos;");
- vertGenerator.Append("\tif (drawMode == 0)");
- vertGenerator.Append("\t\tgl_Position = projectionMatrix * vec4(normalMatrix * pos, 1.0);");
- vertGenerator.Append("\telse\n\t\tgl_Position = vec4(pos.x > 0 ? 1.0 : -1.0, pos.y > 0 \
- ? 1.0 : -1.0, 0.0, 1.0);");
- vertGenerator.Append("}");
- fragGenerator.AddIncoming("pos", "vec3");
- fragGenerator.AddUniform("color0", "vec3");
- fragGenerator.AddUniform("color1", "vec3");
- fragGenerator.AddUniform("color2", "vec3");
- fragGenerator.AddUniform("color3", "vec3");
- fragGenerator.AddUniform("drawMode", "int");
- fragGenerator.Append("void main() {");
- fragGenerator.Append("\tvec3 npos = normalize(pos);");
- fragGenerator.Append("\tvec3 color = vec3(0.0);");
- fragGenerator.Append("\tif (drawMode == 0) {");
- fragGenerator.Append("\t\tif (npos.y > 0.0)");
- fragGenerator.Append("\t\t\tcolor = mix(color1, color0, pow(npos.y, 0.25));");
- fragGenerator.Append("\t\telse\n\t\t\tcolor = mix(color3, color2, pow(-npos.y, 0.5));");
- fragGenerator.Append("\t} else {\n\t\tcolor = mix(color3, color0, 0.5 * npos.y + 0.5);\n\t}");
- fragGenerator.Append("\tgl_FragColor.rgb = color;");
- fragGenerator.Append("\tgl_FragColor.a = 1.0;");
- fragGenerator.Append("}");
- return inWidgetContext.CompileAndStoreShader(itemName);
-}
-
-void SGradientWidget::Render(IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext,
- bool fullScreenQuad)
-{
- if (m_sphere == nullptr) {
- m_sphere = CreateSphere(inWidgetContext, inRenderContext, 100.0f);
- m_shader = CreateGradientShader(inWidgetContext, inRenderContext);
-
- inRenderContext.SetActiveShader(m_shader);
- m_shader->SetPropertyValue("color0", QT3DSVec3(0.6f, 0.6f, 0.6f));
- m_shader->SetPropertyValue("color1", QT3DSVec3(0.4f, 0.4f, 0.4f));
- m_shader->SetPropertyValue("color2", QT3DSVec3(0.1f, 0.1f, 0.1f));
- m_shader->SetPropertyValue("color3", QT3DSVec3(0.35f, 0.35f, 0.35f));
- }
-
- inRenderContext.SetDepthWriteEnabled(false);
- inRenderContext.SetDepthTestEnabled(false);
- inRenderContext.SetBlendingEnabled(false);
- inRenderContext.SetCullingEnabled(false);
- inRenderContext.SetActiveShader(m_shader);
-
- if (fullScreenQuad) {
- // draw fullscreen quad
- m_shader->SetPropertyValue("drawMode", 1);
- inRenderContext.SetInputAssembler(m_sphere);
- inRenderContext.Draw(NVRenderDrawMode::Triangles, 6, 0);
- } else {
- // draw sphere
- SWidgetRenderInformation info
- = inWidgetContext.GetWidgetRenderInformation(*m_node, QT3DSVec3(),
- RenderWidgetModes::Global);
- m_shader->SetPropertyValue("drawMode", 0);
- m_shader->SetPropertyValue("normalMatrix", info.m_NormalMatrix);
- m_shader->SetPropertyValue("projectionMatrix", info.m_PureProjection);
-
- inRenderContext.SetInputAssembler(m_sphere);
-
- inRenderContext.Draw(NVRenderDrawMode::Triangles,
- m_sphere->GetIndexCount(), 0);
- }
-}
-
-
-SGradientWidget &SGradientWidget::CreateGradientWidget(NVAllocatorCallback &inAlloc)
-{
- return *QT3DS_NEW(inAlloc, SGradientWidget)(inAlloc);
-}
-
-}
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-04 21:16:49 +0000