ops.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HGIGL_OPS_H
#define PXR_IMAGING_HGIGL_OPS_H
 
#include "pxr/pxr.h"
#include "pxr/base/gf/vec4i.h"
 
#include "pxr/imaging/hgi/buffer.h"
#include "pxr/imaging/hgi/blitCmdsOps.h"
#include "pxr/imaging/hgi/graphicsCmdsDesc.h"
#include "pxr/imaging/hgi/graphicsPipeline.h"
#include "pxr/imaging/hgi/resourceBindings.h"
 
#include "pxr/imaging/hgiGL/api.h"
#include "pxr/imaging/hgiGL/device.h"
 
#include <cstdint>
#include <functional>
#include <vector>
 
PXR_NAMESPACE_OPEN_SCOPE
 
using HgiGLOpsFn = std::function<void(void)>;
 
class HgiGLOps
{
public:
    HGIGL_API
    static HgiGLOpsFn PushDebugGroup(const char* label);
 
    HGIGL_API
    static HgiGLOpsFn PopDebugGroup();
 
    HGIGL_API
    static HgiGLOpsFn CopyTextureGpuToCpu(HgiTextureGpuToCpuOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyTextureCpuToGpu(HgiTextureCpuToGpuOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyBufferGpuToGpu(HgiBufferGpuToGpuOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyBufferCpuToGpu(HgiBufferCpuToGpuOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyBufferGpuToCpu(HgiBufferGpuToCpuOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyTextureToBuffer(HgiTextureToBufferOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn CopyBufferToTexture(HgiBufferToTextureOp const& copyOp);
 
    HGIGL_API
    static HgiGLOpsFn ResolveFramebuffer(
        HgiGLDevice* device,
        HgiGraphicsCmdsDesc const &graphicsCmds);
    
    HGIGL_API
    static HgiGLOpsFn SetViewport(GfVec4i const& vp);
 
    HGIGL_API
    static HgiGLOpsFn SetScissor(GfVec4i const& sc);
 
    HGIGL_API
    static HgiGLOpsFn BindPipeline(HgiGraphicsPipelineHandle pipeline);
 
    HGIGL_API
    static HgiGLOpsFn BindPipeline(HgiComputePipelineHandle pipeline);
 
    HGIGL_API
    static HgiGLOpsFn BindResources(HgiResourceBindingsHandle resources);
 
    HGIGL_API
    static HgiGLOpsFn SetConstantValues(
        HgiGraphicsPipelineHandle pipeline,
        HgiShaderStage stages,
        uint32_t bindIndex,
        uint32_t byteSize,
        const void* data);
 
    HGIGL_API
    static HgiGLOpsFn SetConstantValues(
        HgiComputePipelineHandle pipeline,
        uint32_t bindIndex,
        uint32_t byteSize,
        const void* data);
 
    HGIGL_API
    static HgiGLOpsFn BindVertexBuffers(
        HgiVertexBufferBindingVector const &bindings);
 
    HGIGL_API
    static HgiGLOpsFn Draw(
        HgiPrimitiveType primitiveType,
        uint32_t primitiveIndexSize,
        uint32_t vertexCount,
        uint32_t baseVertex,
        uint32_t instanceCount,
        uint32_t baseInstance);
 
    HGIGL_API
    static HgiGLOpsFn DrawIndirect(
        HgiPrimitiveType primitiveType,
        uint32_t primitiveIndexSize,
        HgiBufferHandle const& drawParameterBuffer,
        uint32_t drawBufferByteOffset,
        uint32_t drawCount,
        uint32_t stride);
 
    HGIGL_API
    static HgiGLOpsFn DrawIndexed(
        HgiPrimitiveType primitiveType,
        uint32_t primitiveIndexSize,
        HgiBufferHandle const& indexBuffer,
        uint32_t indexCount,
        uint32_t indexBufferByteOffset,
        uint32_t baseVertex,
        uint32_t instanceCount,
        uint32_t baseInstance);
 
    HGIGL_API
    static HgiGLOpsFn DrawIndexedIndirect(
        HgiPrimitiveType primitiveType,
        uint32_t primitiveIndexSize,
        HgiBufferHandle const& indexBuffer,
        HgiBufferHandle const& drawParameterBuffer,
        uint32_t drawBufferByteOffset,
        uint32_t drawCount,
        uint32_t stride);
 
    HGIGL_API
    static HgiGLOpsFn BindFramebufferOp(
        HgiGLDevice* device,
        HgiGraphicsCmdsDesc const& desc);
 
    HGIGL_API
    static HgiGLOpsFn Dispatch(int dimX, int dimY);
 
    HGIGL_API
    static HgiGLOpsFn FillBuffer(HgiBufferHandle const& buffer, uint8_t value);
 
    HGIGL_API
    static HgiGLOpsFn GenerateMipMaps(HgiTextureHandle const& texture);
 
    HGIGL_API
    static HgiGLOpsFn InsertMemoryBarrier(HgiMemoryBarrier barrier);
 
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif