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Diffstat (limited to 'src/Runtime/ogl-runtime/src/runtimerender/rendererimpl/Qt3DSVertexPipelineImpl.h')
| m--------- | src/Runtime/ogl-runtime | 0 | ||||
| -rw-r--r-- | src/Runtime/ogl-runtime/src/runtimerender/rendererimpl/Qt3DSVertexPipelineImpl.h | 463 |
2 files changed, 0 insertions, 463 deletions
diff --git a/src/Runtime/ogl-runtime b/src/Runtime/ogl-runtime new file mode 160000 +Subproject 2025912174c4cf99270b7439ec3b021e1d089ae diff --git a/src/Runtime/ogl-runtime/src/runtimerender/rendererimpl/Qt3DSVertexPipelineImpl.h b/src/Runtime/ogl-runtime/src/runtimerender/rendererimpl/Qt3DSVertexPipelineImpl.h deleted file mode 100644 index a9b5e7b2..00000000 --- a/src/Runtime/ogl-runtime/src/runtimerender/rendererimpl/Qt3DSVertexPipelineImpl.h +++ /dev/null @@ -1,463 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2008-2012 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL$ -** 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 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#pragma once -#ifndef QT3DS_VERTEX_PIPELINE_IMPL_H -#define QT3DS_VERTEX_PIPELINE_IMPL_H -#include "Qt3DSRenderDefaultMaterialShaderGenerator.h" - -namespace qt3ds { -namespace render { - // Baseclass for the vertex pipelines to be sure we have consistent implementations. - struct SVertexPipelineImpl : public IDefaultMaterialVertexPipeline - { - struct GenerationFlagValues - { - enum Enum { - UVCoords = 1, - EnvMapReflection = 1 << 1, - ViewVector = 1 << 2, - WorldNormal = 1 << 3, - ObjectNormal = 1 << 4, - WorldPosition = 1 << 5, - TangentBinormal = 1 << 6, - UVCoords1 = 1 << 7, - VertexColor = 1 << 8, - }; - }; - - typedef TStrTableStrMap::const_iterator TParamIter; - typedef NVFlags<GenerationFlagValues::Enum> TGenerationFlags; - - IMaterialShaderGenerator &m_MaterialGenerator; - IShaderProgramGenerator &m_ProgramGenerator; - IStringTable &m_StringTable; - Qt3DSString m_TempString; - - TGenerationFlags m_GenerationFlags; - bool m_Wireframe; - TStrTableStrMap m_InterpolationParameters; - QT3DSU32 m_DisplacementIdx; - SRenderableImage *m_DisplacementImage; - QStringList m_addedFunctions; - - SVertexPipelineImpl(NVAllocatorCallback &inAllocator, IMaterialShaderGenerator &inMaterial, - IShaderProgramGenerator &inProgram, IStringTable &inStringTable, - bool inWireframe // only works if tessellation is true - ) - - : m_MaterialGenerator(inMaterial) - , m_ProgramGenerator(inProgram) - , m_StringTable(inStringTable) - , m_Wireframe(inWireframe) - , m_InterpolationParameters(inAllocator, "m_InterpolationParameters") - , m_DisplacementIdx(0) - , m_DisplacementImage(NULL) - { - } - - // Trues true if the code was *not* set. - bool SetCode(GenerationFlagValues::Enum inCode) - { - if (((QT3DSU32)m_GenerationFlags & inCode) != 0) - return true; - m_GenerationFlags |= inCode; - return false; - } - bool HasCode(GenerationFlagValues::Enum inCode) - { - return ((QT3DSU32)(m_GenerationFlags & inCode)) != 0; - } - IShaderProgramGenerator &ProgramGenerator() { return m_ProgramGenerator; } - IShaderStageGenerator &Vertex() - { - return *ProgramGenerator().GetStage(ShaderGeneratorStages::Vertex); - } - IShaderStageGenerator &TessControl() - { - return *ProgramGenerator().GetStage(ShaderGeneratorStages::TessControl); - } - IShaderStageGenerator &TessEval() - { - return *ProgramGenerator().GetStage(ShaderGeneratorStages::TessEval); - } - IShaderStageGenerator &Geometry() - { - return *ProgramGenerator().GetStage(ShaderGeneratorStages::Geometry); - } - IShaderStageGenerator &Fragment() - { - return *ProgramGenerator().GetStage(ShaderGeneratorStages::Fragment); - } - IMaterialShaderGenerator &MaterialGenerator() { return m_MaterialGenerator; } - - void SetupDisplacement(QT3DSU32 displacementImageIdx, SRenderableImage *displacementImage) - { - m_DisplacementIdx = displacementImageIdx; - m_DisplacementImage = displacementImage; - } - - CRegisteredString Str(const char8_t *inItem) { return m_StringTable.RegisterStr(inItem); } - - bool HasTessellation() const - { - return m_ProgramGenerator.GetEnabledStages() & ShaderGeneratorStages::TessEval; - } - bool HasGeometryStage() const - { - return m_ProgramGenerator.GetEnabledStages() & ShaderGeneratorStages::Geometry; - } - bool HasDisplacment() const { return m_DisplacementImage != NULL; } - - void InitializeWireframeGeometryShader() - { - if (m_Wireframe && ProgramGenerator().GetStage(ShaderGeneratorStages::Geometry) - && ProgramGenerator().GetStage(ShaderGeneratorStages::TessEval)) { - IShaderStageGenerator &geometryShader( - *ProgramGenerator().GetStage(ShaderGeneratorStages::Geometry)); - // currently geometry shader is only used for drawing wireframe - if (m_Wireframe) { - geometryShader.AddUniform("viewport_matrix", "mat4"); - geometryShader.AddOutgoing("varEdgeDistance", "vec3"); - geometryShader.Append("layout (triangles) in;"); - geometryShader.Append("layout (triangle_strip, max_vertices = 3) out;"); - geometryShader.Append("void main() {"); - - // how this all work see - // http://developer.download.nvidia.com/SDK/10.5/direct3d/Source/SolidWireframe/Doc/SolidWireframe.pdf - - geometryShader.Append( - "// project points to screen space\n" - "\tvec3 p0 = vec3(viewport_matrix * (gl_in[0].gl_Position / " - "gl_in[0].gl_Position.w));\n" - "\tvec3 p1 = vec3(viewport_matrix * (gl_in[1].gl_Position / " - "gl_in[1].gl_Position.w));\n" - "\tvec3 p2 = vec3(viewport_matrix * (gl_in[2].gl_Position / " - "gl_in[2].gl_Position.w));\n" - "// compute triangle heights\n" - "\tfloat e1 = length(p1 - p2);\n" - "\tfloat e2 = length(p2 - p0);\n" - "\tfloat e3 = length(p1 - p0);\n" - "\tfloat alpha = acos( (e2*e2 + e3*e3 - e1*e1) / (2.0*e2*e3) );\n" - "\tfloat beta = acos( (e1*e1 + e3*e3 - e2*e2) / (2.0*e1*e3) );\n" - "\tfloat ha = abs( e3 * sin( beta ) );\n" - "\tfloat hb = abs( e3 * sin( alpha ) );\n" - "\tfloat hc = abs( e2 * sin( alpha ) );\n"); - } - } - } - - void FinalizeWireframeGeometryShader() - { - IShaderStageGenerator &geometryShader( - *ProgramGenerator().GetStage(ShaderGeneratorStages::Geometry)); - - if (m_Wireframe == true && ProgramGenerator().GetStage(ShaderGeneratorStages::Geometry) - && ProgramGenerator().GetStage(ShaderGeneratorStages::TessEval)) { - const char8_t *theExtension("TE["); - // we always assume triangles - for (int i = 0; i < 3; i++) { - char buf[10]; - sprintf(buf, "%d", i); - for (TStrTableStrMap::const_iterator iter = m_InterpolationParameters.begin(), - end = m_InterpolationParameters.end(); - iter != end; ++iter) { - geometryShader << "\t" << iter->first.c_str() << " = " - << iter->first.c_str() << theExtension << buf << "];\n"; - } - - geometryShader << "\tgl_Position = gl_in[" << buf << "].gl_Position;\n"; - // the triangle distance is interpolated through the shader stage - if (i == 0) - geometryShader << "\n\tvarEdgeDistance = vec3(ha*" - << "gl_in[" << buf << "].gl_Position.w, 0.0, 0.0);\n"; - else if (i == 1) - geometryShader << "\n\tvarEdgeDistance = vec3(0.0, hb*" - << "gl_in[" << buf << "].gl_Position.w, 0.0);\n"; - else if (i == 2) - geometryShader << "\n\tvarEdgeDistance = vec3(0.0, 0.0, hc*" - << "gl_in[" << buf << "].gl_Position.w);\n"; - - // submit vertex - geometryShader << "\tEmitVertex();\n"; - } - // end primitive - geometryShader << "\tEndPrimitive();\n"; - } - } - - virtual void SetupTessIncludes(ShaderGeneratorStages::Enum inStage, - TessModeValues::Enum inTessMode) - { - IShaderStageGenerator &tessShader(*ProgramGenerator().GetStage(inStage)); - - // depending on the selected tessellation mode chose program - switch (inTessMode) { - case TessModeValues::TessPhong: - tessShader.AddInclude("tessellationPhong.glsllib"); - break; - case TessModeValues::TessNPatch: - tessShader.AddInclude("tessellationNPatch.glsllib"); - break; - default: - QT3DS_ASSERT(false); // fallthrough intentional - case TessModeValues::TessLinear: - tessShader.AddInclude("tessellationLinear.glsllib"); - break; - } - } - - void GenerateUVCoords(QT3DSU32 inUVSet = 0) override - { - if (inUVSet == 0 && SetCode(GenerationFlagValues::UVCoords)) - return; - if (inUVSet == 1 && SetCode(GenerationFlagValues::UVCoords1)) - return; - - QT3DS_ASSERT(inUVSet == 0 || inUVSet == 1); - - if (inUVSet == 0) - AddInterpolationParameter("varTexCoord0", "vec2"); - else if (inUVSet == 1) - AddInterpolationParameter("varTexCoord1", "vec2"); - - DoGenerateUVCoords(inUVSet); - } - void GenerateEnvMapReflection() override - { - if (SetCode(GenerationFlagValues::EnvMapReflection)) - return; - - GenerateWorldPosition(); - GenerateWorldNormal(); - IShaderStageGenerator &activeGenerator(ActiveStage()); - activeGenerator.AddInclude("viewProperties.glsllib"); - AddInterpolationParameter("var_object_to_camera", "vec3"); - activeGenerator.Append("\tvar_object_to_camera = normalize( local_model_world_position " - "- camera_position );"); - // World normal cannot be relied upon in the vertex shader because of bump maps. - Fragment().Append("\tvec3 environment_map_reflection = reflect( " - "normalize(var_object_to_camera), world_normal.xyz );"); - Fragment().Append("\tenvironment_map_reflection *= vec3( 0.5, 0.5, 0 );"); - Fragment().Append("\tenvironment_map_reflection += vec3( 0.5, 0.5, 1.0 );"); - } - void GenerateViewVector() override - { - if (SetCode(GenerationFlagValues::ViewVector)) - return; - GenerateWorldPosition(); - IShaderStageGenerator &activeGenerator(ActiveStage()); - activeGenerator.AddInclude("viewProperties.glsllib"); - AddInterpolationParameter("varViewVector", "vec3"); - activeGenerator.Append("\tvec3 local_view_vector = normalize(camera_position - " - "local_model_world_position);"); - AssignOutput("varViewVector", "local_view_vector"); - Fragment() << "\tvec3 view_vector = normalize(varViewVector);" << Endl; - } - - // fragment shader expects varying vertex normal - // lighting in vertex pipeline expects world_normal - void GenerateWorldNormal() override - { - if (SetCode(GenerationFlagValues::WorldNormal)) - return; - AddInterpolationParameter("varNormal", "vec3"); - DoGenerateWorldNormal(); - Fragment().Append("\tvec3 world_normal = normalize( varNormal );"); - } - void GenerateObjectNormal() override - { - if (SetCode(GenerationFlagValues::ObjectNormal)) - return; - DoGenerateObjectNormal(); - Fragment().Append("\tvec3 object_normal = normalize(varObjectNormal);"); - } - void GenerateWorldPosition() override - { - if (SetCode(GenerationFlagValues::WorldPosition)) - return; - - ActiveStage().AddUniform("model_matrix", "mat4"); - AddInterpolationParameter("varWorldPos", "vec3"); - DoGenerateWorldPosition(); - - AssignOutput("varWorldPos", "local_model_world_position"); - } - void GenerateVarTangentAndBinormal() override - { - if (SetCode(GenerationFlagValues::TangentBinormal)) - return; - AddInterpolationParameter("varTangent", "vec3"); - AddInterpolationParameter("varBinormal", "vec3"); - DoGenerateVarTangentAndBinormal(); - Fragment() << "\tvec3 tangent = normalize(varTangent);" << Endl - << "\tvec3 binormal = normalize(varBinormal);" << Endl; - } - void GenerateVertexColor() override - { - if (SetCode(GenerationFlagValues::VertexColor)) - return; - AddInterpolationParameter("varColor", "vec3"); - DoGenerateVertexColor(); - Fragment().Append("\tvec3 vertColor = varColor;"); - } - - bool HasActiveWireframe() override { return m_Wireframe; } - - // IShaderStageGenerator interface - void AddIncoming(const char8_t *name, const char8_t *type) override - { - ActiveStage().AddIncoming(name, type); - } - void AddIncoming(const TStrType &name, const char8_t *type) override - { - AddIncoming(name.c_str(), type); - } - void AddIncoming(const QString &name, const char8_t *type) override - { - AddIncoming(name.toUtf8().constData(), type); - } - - void AddOutgoing(const char8_t *name, const char8_t *type) override - { - AddInterpolationParameter(name, type); - } - void AddOutgoing(const TStrType &name, const char8_t *type) override - { - AddOutgoing(name.c_str(), type); - } - void AddOutgoing(const QString &name, const char8_t *type) override - { - AddOutgoing(name.toUtf8().constData(), type); - } - void AddUniform(const QString &name, const char8_t *type) override - { - AddUniform(name.toUtf8().constData(), type); - } - - void AddUniform(const char8_t *name, const char8_t *type) override - { - ActiveStage().AddUniform(name, type); - } - void AddUniform(const TStrType &name, const char8_t *type) override - { - AddUniform(name.c_str(), type); - } - - void AddInclude(const char8_t *name) override { ActiveStage().AddInclude(name); } - void AddInclude(const TStrType &name) override { AddInclude(name.c_str()); } - void AddInclude(const QString &name) override - { - QByteArray arr = name.toLatin1(); - AddInclude(arr.data()); - } - - void AddFunction(const QString &functionName) override - { - if (!m_addedFunctions.contains(functionName)) { - m_addedFunctions.push_back(functionName); - QString includeName; - QTextStream stream(&includeName); - stream << "func" << functionName << ".glsllib"; - AddInclude(includeName); - } - } - - void AddConstantBuffer(const char *name, const char *layout) override - { - ActiveStage().AddConstantBuffer(name, layout); - } - void AddConstantBuffer(const QString &name, const char *layout) override - { - AddConstantBuffer(name.toUtf8().constData(), layout); - } - - void AddConstantBufferParam(const char *cbName, const char *paramName, - const char *type) override - { - ActiveStage().AddConstantBufferParam(cbName, paramName, type); - } - void AddConstantBufferParam(const QString &cbName, const QString ¶mName, - const char *type) override - { - AddConstantBufferParam(cbName.toUtf8().constData(), - paramName.toUtf8().constData(), type); - } - - IShaderStageGenerator &operator<<(const char *data) override - { - ActiveStage() << data; - return *this; - } - IShaderStageGenerator &operator<<(const TStrType &data) override - { - ActiveStage() << data; - return *this; - } - IShaderStageGenerator &operator<<(const QString &data) override - { - ActiveStage() << data; - return *this; - } - IShaderStageGenerator &operator<<(const SEndlType &data) override - { - ActiveStage() << data; - return *this; - } - void Append(const char *data) override { ActiveStage().Append(data); } - void AppendPartial(const char *data) override { ActiveStage().Append(data); } - - ShaderGeneratorStages::Enum Stage() const override - { - return const_cast<SVertexPipelineImpl *>(this)->ActiveStage().Stage(); - } - - void BeginVertexGeneration(QT3DSU32 displacementImageIdx, - SRenderableImage *displacementImage) override = 0; - void AssignOutput(const char8_t *inVarName, const char8_t *inVarValueExpr) override = 0; - void EndVertexGeneration(bool customShader) override = 0; - - void BeginFragmentGeneration() override = 0; - void EndFragmentGeneration(bool customShader) override = 0; - - virtual IShaderStageGenerator &ActiveStage() = 0; - virtual void AddInterpolationParameter(const char8_t *inParamName, - const char8_t *inParamType) = 0; - - virtual void DoGenerateUVCoords(QT3DSU32 inUVSet) = 0; - virtual void DoGenerateWorldNormal() = 0; - virtual void DoGenerateObjectNormal() = 0; - virtual void DoGenerateWorldPosition() = 0; - virtual void DoGenerateVarTangentAndBinormal() = 0; - virtual void DoGenerateVertexColor() = 0; - }; -} -} - -#endif |