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Diffstat (limited to 'src/runtimerender/Qt3DSRenderShaderCodeGeneratorV2.h')
| -rw-r--r-- | src/runtimerender/Qt3DSRenderShaderCodeGeneratorV2.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/runtimerender/Qt3DSRenderShaderCodeGeneratorV2.h b/src/runtimerender/Qt3DSRenderShaderCodeGeneratorV2.h new file mode 100644 index 0000000..6a6e967 --- /dev/null +++ b/src/runtimerender/Qt3DSRenderShaderCodeGeneratorV2.h @@ -0,0 +1,140 @@ +/**************************************************************************** +** +** 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_RENDER_SHADER_CODE_GENERATOR_V2_H +#define QT3DS_RENDER_SHADER_CODE_GENERATOR_V2_H +#include "Qt3DSRenderShaderCodeGenerator.h" +#include "Qt3DSRenderShaderCache.h" +#include "foundation/Qt3DSFlags.h" + +#include <QtCore/qstring.h> + +namespace qt3ds { +namespace render { + // So far the generator is only useful for graphics stages, + // it doesn't seem useful for compute stages. + struct ShaderGeneratorStages + { + enum Enum { + Vertex = 1, + TessControl = 1 << 1, + TessEval = 1 << 2, + Geometry = 1 << 3, + Fragment = 1 << 4, + StageCount = 5, + }; + }; + + typedef NVFlags<ShaderGeneratorStages::Enum, QT3DSU32> TShaderGeneratorStageFlags; + + class IShaderStageGenerator + { + protected: + virtual ~IShaderStageGenerator() {} + public: + virtual void AddIncoming(const char8_t *name, const char8_t *type) = 0; + virtual void AddIncoming(const TStrType &name, const char8_t *type) = 0; + virtual void AddIncoming(const QString &name, const char8_t *type) = 0; + + virtual void AddOutgoing(const char8_t *name, const char8_t *type) = 0; + virtual void AddOutgoing(const TStrType &name, const char8_t *type) = 0; + virtual void AddOutgoing(const QString &name, const char8_t *type) = 0; + + virtual void AddUniform(const char8_t *name, const char8_t *type) = 0; + virtual void AddUniform(const TStrType &name, const char8_t *type) = 0; + virtual void AddUniform(const QString &name, const char8_t *type) = 0; + + virtual void AddInclude(const char8_t *name) = 0; + virtual void AddInclude(const TStrType &name) = 0; + virtual void AddInclude(const QString &name) = 0; + + virtual void AddFunction(const QString &functionName) = 0; + + virtual void AddConstantBuffer(const char *name, const char *layout) = 0; + virtual void AddConstantBuffer(const QString &name, const char *layout) = 0; + virtual void AddConstantBufferParam(const QString &cbName, + const QString ¶mName, + const char *type) = 0; + virtual void AddConstantBufferParam(const char *cbName, const char *paramName, + const char *type) = 0; + + virtual IShaderStageGenerator &operator<<(const QString &data) = 0; + virtual IShaderStageGenerator &operator<<(const char *data) = 0; + virtual IShaderStageGenerator &operator<<(const TStrType &data) = 0; + virtual IShaderStageGenerator &operator<<(const SEndlType & /*data*/) = 0; + virtual void Append(const char *data) = 0; + virtual void AppendPartial(const char *data) = 0; + + virtual ShaderGeneratorStages::Enum Stage() const = 0; + }; + + class IShaderProgramGenerator : public NVRefCounted + { + public: + static TShaderGeneratorStageFlags DefaultFlags() + { + return TShaderGeneratorStageFlags(ShaderGeneratorStages::Vertex + | ShaderGeneratorStages::Fragment); + } + virtual void BeginProgram(TShaderGeneratorStageFlags inEnabledStages = DefaultFlags()) = 0; + + virtual TShaderGeneratorStageFlags GetEnabledStages() const = 0; + + // get the stage or NULL if it has not been created. + virtual IShaderStageGenerator *GetStage(ShaderGeneratorStages::Enum inStage) = 0; + + // Implicit call to end program. + virtual qt3ds::render::NVRenderShaderProgram * + CompileGeneratedShader(const char *inShaderName, const SShaderCacheProgramFlags &inFlags, + TShaderFeatureSet inFeatureSet, bool separableProgram = false) = 0; + + qt3ds::render::NVRenderShaderProgram *CompileGeneratedShader(const char *inShaderName, + bool separableProgram = false) + { + return CompileGeneratedShader(inShaderName, SShaderCacheProgramFlags(), + TShaderFeatureSet(), separableProgram); + } + + static IShaderProgramGenerator &CreateProgramGenerator(IQt3DSRenderContext &inContext); + + static void OutputParaboloidDepthVertex(IShaderStageGenerator &inGenerator); + // By convention, the local space result of the TE is stored in vec4 pos local variable. + // This function expects such state. + static void OutputParaboloidDepthTessEval(IShaderStageGenerator &inGenerator); + // Utilities shared among the various different systems. + static void OutputParaboloidDepthFragment(IShaderStageGenerator &inGenerator); + + static void OutputCubeFaceDepthVertex(IShaderStageGenerator &inGenerator); + static void OutputCubeFaceDepthGeometry(IShaderStageGenerator &inGenerator); + static void OutputCubeFaceDepthFragment(IShaderStageGenerator &inGenerator); + }; +} +} +#endif |