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Diffstat (limited to 'src/Runtime/ogl-runtime/src/runtimerender/Qt3DSRenderMaterialShaderGenerator.h')
| -rw-r--r-- | src/Runtime/ogl-runtime/src/runtimerender/Qt3DSRenderMaterialShaderGenerator.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/Runtime/ogl-runtime/src/runtimerender/Qt3DSRenderMaterialShaderGenerator.h b/src/Runtime/ogl-runtime/src/runtimerender/Qt3DSRenderMaterialShaderGenerator.h new file mode 100644 index 00000000..e8b9880d --- /dev/null +++ b/src/Runtime/ogl-runtime/src/runtimerender/Qt3DSRenderMaterialShaderGenerator.h @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** 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_MATERIAL_SHADER_GENERATOR_H +#define QT3DS_RENDER_MATERIAL_SHADER_GENERATOR_H +#include "Qt3DSRender.h" +#include "foundation/Qt3DSRefCounted.h" +#include "Qt3DSRenderShaderKeys.h" +#include "Qt3DSRenderShaderCache.h" +#include "Qt3DSRenderShaderCodeGeneratorV2.h" + +namespace qt3ds { +namespace render { + +// these are our current shader limits +#define QT3DS_MAX_NUM_LIGHTS 16 +#define QT3DS_MAX_NUM_SHADOWS 8 + + // note this struct must exactly match the memory layout of the + // struct sampleLight.glsllib and sampleArea.glsllib. If you make changes here you need + // to adjust the code in sampleLight.glsllib and sampleArea.glsllib as well + struct SLightSourceShader + { + QT3DSVec4 m_position; + QT3DSVec4 m_direction; // Specifies the light direction in world coordinates. + QT3DSVec4 m_up; + QT3DSVec4 m_right; + QT3DSVec4 m_diffuse; + QT3DSVec4 m_ambient; + QT3DSVec4 m_specular; + QT3DSF32 m_spotExponent; // Specifies the intensity distribution of the light. + QT3DSF32 m_spotCutoff; // Specifies the maximum spread angle of the light. + QT3DSF32 m_constantAttenuation; // Specifies the constant light attenuation factor. + QT3DSF32 m_linearAttenuation; // Specifies the linear light attenuation factor. + QT3DSF32 m_quadraticAttenuation; // Specifies the quadratic light attenuation factor. + QT3DSF32 m_range; // Specifies the maximum distance of the light influence + QT3DSF32 m_width; // Specifies the width of the area light surface. + QT3DSF32 m_height; // Specifies the height of the area light surface; + QT3DSVec4 m_shadowControls; + QT3DSMat44 m_shadowView; + QT3DSI32 m_shadowIdx; + QT3DSF32 m_padding1[3]; + }; + + struct SLayerGlobalRenderProperties + { + const SLayer &m_Layer; + SCamera &m_Camera; + QT3DSVec3 m_CameraDirection; + NVDataRef<SLight *> m_Lights; + NVDataRef<QT3DSVec3> m_LightDirections; + Qt3DSShadowMap *m_ShadowMapManager; + NVRenderTexture2D *m_DepthTexture; + NVRenderTexture2D *m_SSaoTexture; + SImage *m_LightProbe; + SImage *m_LightProbe2; + QT3DSF32 m_ProbeHorizon; + QT3DSF32 m_ProbeBright; + QT3DSF32 m_Probe2Window; + QT3DSF32 m_Probe2Pos; + QT3DSF32 m_Probe2Fade; + QT3DSF32 m_ProbeFOV; + + SLayerGlobalRenderProperties(const SLayer &inLayer, SCamera &inCamera, + QT3DSVec3 inCameraDirection, NVDataRef<SLight *> inLights, + NVDataRef<QT3DSVec3> inLightDirections, + Qt3DSShadowMap *inShadowMapManager, + NVRenderTexture2D *inDepthTexture, + NVRenderTexture2D *inSSaoTexture, SImage *inLightProbe, + SImage *inLightProbe2, QT3DSF32 inProbeHorizon, + QT3DSF32 inProbeBright, QT3DSF32 inProbe2Window, QT3DSF32 inProbe2Pos, + QT3DSF32 inProbe2Fade, QT3DSF32 inProbeFOV) + : m_Layer(inLayer) + , m_Camera(inCamera) + , m_CameraDirection(inCameraDirection) + , m_Lights(inLights) + , m_LightDirections(inLightDirections) + , m_ShadowMapManager(inShadowMapManager) + , m_DepthTexture(inDepthTexture) + , m_SSaoTexture(inSSaoTexture) + , m_LightProbe(inLightProbe) + , m_LightProbe2(inLightProbe2) + , m_ProbeHorizon(inProbeHorizon) + , m_ProbeBright(inProbeBright) + , m_Probe2Window(inProbe2Window) + , m_Probe2Pos(inProbe2Pos) + , m_Probe2Fade(inProbe2Fade) + , m_ProbeFOV(inProbeFOV) + { + } + }; + + class IMaterialShaderGenerator : public NVRefCounted + { + public: + struct SImageVariableNames + { + const char8_t *m_ImageSampler; + const char8_t *m_ImageFragCoords; + }; + + virtual SImageVariableNames GetImageVariableNames(QT3DSU32 inIdx) = 0; + virtual void GenerateImageUVCoordinates(IShaderStageGenerator &inVertexPipeline, QT3DSU32 idx, + QT3DSU32 uvSet, SRenderableImage &image) = 0; + + // inPipelineName needs to be unique else the shader cache will just return shaders from + // different pipelines. + virtual NVRenderShaderProgram *GenerateShader( + const SGraphObject &inMaterial, SShaderDefaultMaterialKey inShaderDescription, + IShaderStageGenerator &inVertexPipeline, TShaderFeatureSet inFeatureSet, + NVDataRef<SLight *> inLights, SRenderableImage *inFirstImage, bool inHasTransparency, + const char8_t *inVertexPipelineName, const char8_t *inCustomMaterialName = "") = 0; + + // Also sets the blend function on the render context. + virtual void + SetMaterialProperties(NVRenderShaderProgram &inProgram, const SGraphObject &inMaterial, + const QT3DSVec2 &inCameraVec, const QT3DSMat44 &inModelViewProjection, + const QT3DSMat33 &inNormalMatrix, const QT3DSMat44 &inGlobalTransform, + SRenderableImage *inFirstImage, QT3DSF32 inOpacity, + SLayerGlobalRenderProperties inRenderProperties) = 0; + }; +} +} + +#endif |