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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QSSGRHICONTEXT_H
#define QSSGRHICONTEXT_H
//
// W A R N I N G
// -------------
//
// This file is part of the QtQuick3D API, with limited compatibility guarantees.
// Usage of this API may make your code source and binary incompatible with
// future versions of Qt.
//
#include <QtCore/qstack.h>
#include <rhi/qrhi.h>
#include <QtQuick3DRuntimeRender/qtquick3druntimerenderexports.h>
QT_BEGIN_NAMESPACE
class QSSGRhiContextPrivate;
class QSSGRhiShaderPipeline;
class QSSGRhiGraphicsPipelineState
{
public:
enum class Flag : quint32
{
DepthTestEnabled = 0x1,
DepthWriteEnabled = 0x2,
BlendEnabled = 0x4,
UsesStencilRef = 0x8,
UsesScissor = 0x10
};
Q_DECLARE_FLAGS(Flags, Flag)
QRhiGraphicsPipeline::CompareOp depthFunc = QRhiGraphicsPipeline::LessOrEqual;
QRhiGraphicsPipeline::CullMode cullMode = QRhiGraphicsPipeline::None;
std::array<QRhiGraphicsPipeline::TargetBlend, 8> targetBlend;
QRhiGraphicsPipeline::PolygonMode polygonMode = QRhiGraphicsPipeline::Fill;
QRhiGraphicsPipeline::StencilOpState stencilOpFrontState {};
quint32 stencilWriteMask = 0xFF;
quint32 stencilRef = 0;
int depthBias = 0;
int samples = 1;
int colorAttachmentCount = 1;
int viewCount = 1;
float slopeScaledDepthBias = 0.0f;
float lineWidth = 1.0f;
Flags flags;
QRhiViewport viewport;
QRhiScissor scissor;
private:
friend struct QSSGRhiGraphicsPipelineStatePrivate;
friend struct QSSGRhiInputAssemblerStatePrivate;
struct InputAssemblerState
{
enum InputSemantic {
PositionSemantic, // attr_pos
NormalSemantic, // attr_norm
TexCoord0Semantic, // attr_uv0
TexCoord1Semantic, // attr_uv1
TangentSemantic, // attr_textan
BinormalSemantic, // attr_binormal
ColorSemantic, // attr_color
MaxTargetSemantic = ColorSemantic,
JointSemantic, // attr_joints
WeightSemantic, // attr_weights
TexCoordLightmapSemantic // attr_lightmapuv
};
QRhiVertexInputLayout inputLayout;
QVarLengthArray<InputSemantic, 8> inputs;
QRhiGraphicsPipeline::Topology topology;
std::array<quint8, MaxTargetSemantic + 1> targetOffsets = { UINT8_MAX, UINT8_MAX, UINT8_MAX, UINT8_MAX,
UINT8_MAX, UINT8_MAX, UINT8_MAX };
quint8 targetCount = 0;
} ia;
// for internal use
const QSSGRhiShaderPipeline *shaderPipeline = nullptr;
};
struct QSSGRhiSamplerDescription
{
QRhiSampler::Filter minFilter;
QRhiSampler::Filter magFilter;
QRhiSampler::Filter mipmap;
QRhiSampler::AddressMode hTiling;
QRhiSampler::AddressMode vTiling;
QRhiSampler::AddressMode zTiling;
};
class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRhiContext
{
Q_DISABLE_COPY(QSSGRhiContext)
public:
explicit QSSGRhiContext(QRhi *rhi);
~QSSGRhiContext();
QRhi *rhi() const;
bool isValid() const;
QRhiRenderPassDescriptor *mainRenderPassDescriptor() const;
QRhiCommandBuffer *commandBuffer() const;
QRhiRenderTarget *renderTarget() const;
int mainPassSampleCount() const;
int mainPassViewCount() const;
QRhiSampler *sampler(const QSSGRhiSamplerDescription &samplerDescription);
void checkAndAdjustForNPoT(QRhiTexture *texture, QSSGRhiSamplerDescription *samplerDescription);
QRhiTexture *dummyTexture(QRhiTexture::Flags flags, QRhiResourceUpdateBatch *rub,
const QSize &size = QSize(64, 64), const QColor &fillColor = Qt::black,
int arraySize = 0);
QRhiCommandBuffer::BeginPassFlags commonPassFlags() const;
private:
Q_DECLARE_PRIVATE(QSSGRhiContext)
std::unique_ptr<QSSGRhiContextPrivate> d_ptr;
};
QT_END_NAMESPACE
#endif
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