chromium/third_party/angle/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp

//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// VertexArrayVk.cpp:
//    Implements the class methods for VertexArrayVk.
//

#include "libANGLE/renderer/vulkan/VertexArrayVk.h"

#include "common/debug.h"
#include "common/utilities.h"
#include "libANGLE/Context.h"
#include "libANGLE/renderer/vulkan/BufferVk.h"
#include "libANGLE/renderer/vulkan/ContextVk.h"
#include "libANGLE/renderer/vulkan/FramebufferVk.h"
#include "libANGLE/renderer/vulkan/vk_format_utils.h"
#include "libANGLE/renderer/vulkan/vk_renderer.h"
#include "libANGLE/renderer/vulkan/vk_resource.h"

namespace rx
{
namespace
{
constexpr int kStreamIndexBufferCachedIndexCount = …;
constexpr int kMaxCachedStreamIndexBuffers       = …;
constexpr size_t kDefaultValueSize               = …;

ANGLE_INLINE bool BindingIsAligned(const angle::Format &angleFormat,
                                   VkDeviceSize offset,
                                   GLuint stride)
{ … }

ANGLE_INLINE bool ClientBindingAligned(const gl::VertexAttribute &attrib,
                                       GLuint stride,
                                       size_t alignment)
{ … }

bool ShouldCombineAttributes(vk::Renderer *renderer,
                             const gl::VertexAttribute &attrib,
                             const gl::VertexBinding &binding)
{ … }

void WarnOnVertexFormatConversion(ContextVk *contextVk,
                                  const vk::Format &vertexFormat,
                                  bool compressed,
                                  bool insertEventMarker)
{ … }

angle::Result StreamVertexData(ContextVk *contextVk,
                               vk::BufferHelper *dstBufferHelper,
                               const uint8_t *srcData,
                               size_t bytesToCopy,
                               size_t dstOffset,
                               size_t vertexCount,
                               size_t srcStride,
                               VertexCopyFunction vertexLoadFunction)
{ … }

angle::Result StreamVertexDataWithDivisor(ContextVk *contextVk,
                                          vk::BufferHelper *dstBufferHelper,
                                          const uint8_t *srcData,
                                          size_t bytesToAllocate,
                                          size_t srcStride,
                                          size_t dstStride,
                                          VertexCopyFunction vertexLoadFunction,
                                          uint32_t divisor,
                                          size_t numSrcVertices)
{ … }

size_t GetVertexCountForRange(GLint64 srcBufferBytes,
                              uint32_t srcFormatSize,
                              uint32_t srcVertexStride)
{ … }

size_t GetVertexCount(BufferVk *srcBuffer, const gl::VertexBinding &binding, uint32_t srcFormatSize)
{ … }

angle::Result CalculateOffsetAndVertexCountForConversion(ContextVk *contextVk,
                                                         BufferVk *srcBuffer,
                                                         VertexConversionBuffer *conversion,
                                                         const angle::Format &srcFormat,
                                                         const angle::Format &dstFormat,
                                                         size_t *srcOffsetOut,
                                                         size_t *dstOffsetOut,
                                                         size_t *numVerticesOut)
{ … }
}  // anonymous namespace

VertexArrayVk::VertexArrayVk(ContextVk *contextVk, const gl::VertexArrayState &state)
    : … { … }

VertexArrayVk::~VertexArrayVk() { … }

void VertexArrayVk::destroy(const gl::Context *context)
{ … }

angle::Result VertexArrayVk::convertIndexBufferGPU(ContextVk *contextVk,
                                                   BufferVk *bufferVk,
                                                   const void *indices)
{ … }

angle::Result VertexArrayVk::convertIndexBufferIndirectGPU(ContextVk *contextVk,
                                                           vk::BufferHelper *srcIndirectBuf,
                                                           VkDeviceSize srcIndirectBufOffset,
                                                           vk::BufferHelper **indirectBufferVkOut)
{ … }

angle::Result VertexArrayVk::handleLineLoopIndexIndirect(ContextVk *contextVk,
                                                         gl::DrawElementsType glIndexType,
                                                         vk::BufferHelper *srcIndirectBuf,
                                                         VkDeviceSize indirectBufferOffset,
                                                         vk::BufferHelper **indirectBufferOut)
{ … }

angle::Result VertexArrayVk::handleLineLoopIndirectDraw(const gl::Context *context,
                                                        vk::BufferHelper *indirectBufferVk,
                                                        VkDeviceSize indirectBufferOffset,
                                                        vk::BufferHelper **indirectBufferOut)
{ … }

angle::Result VertexArrayVk::convertIndexBufferCPU(ContextVk *contextVk,
                                                   gl::DrawElementsType indexType,
                                                   size_t indexCount,
                                                   const void *sourcePointer,
                                                   BufferBindingDirty *bindingDirty)
{ … }

// We assume the buffer is completely full of the same kind of data and convert
// and/or align it as we copy it to a buffer. The assumption could be wrong
// but the alternative of copying it piecemeal on each draw would have a lot more
// overhead.
angle::Result VertexArrayVk::convertVertexBufferGPU(ContextVk *contextVk,
                                                    BufferVk *srcBuffer,
                                                    VertexConversionBuffer *conversion,
                                                    const angle::Format &srcFormat,
                                                    const angle::Format &dstFormat)
{ … }

angle::Result VertexArrayVk::convertVertexBufferCPU(ContextVk *contextVk,
                                                    BufferVk *srcBuffer,
                                                    VertexConversionBuffer *conversion,
                                                    const angle::Format &srcFormat,
                                                    const angle::Format &dstFormat,
                                                    const VertexCopyFunction vertexLoadFunction)
{ … }

void VertexArrayVk::updateCurrentElementArrayBuffer()
{ … }

angle::Result VertexArrayVk::syncState(const gl::Context *context,
                                       const gl::VertexArray::DirtyBits &dirtyBits,
                                       gl::VertexArray::DirtyAttribBitsArray *attribBits,
                                       gl::VertexArray::DirtyBindingBitsArray *bindingBits)
{ … }  // namespace rx

#undef ANGLE_VERTEX_DIRTY_ATTRIB_FUNC
#undef ANGLE_VERTEX_DIRTY_BINDING_FUNC
#undef ANGLE_VERTEX_DIRTY_BUFFER_DATA_FUNC

ANGLE_INLINE angle::Result VertexArrayVk::setDefaultPackedInput(ContextVk *contextVk,
                                                                size_t attribIndex,
                                                                angle::FormatID *formatOut)
{ … }

angle::Result VertexArrayVk::updateActiveAttribInfo(ContextVk *contextVk)
{ … }

angle::Result VertexArrayVk::syncDirtyAttrib(ContextVk *contextVk,
                                             const gl::VertexAttribute &attrib,
                                             const gl::VertexBinding &binding,
                                             size_t attribIndex,
                                             bool bufferOnly)
{ … }

gl::AttributesMask VertexArrayVk::mergeClientAttribsRange(
    vk::Renderer *renderer,
    const gl::AttributesMask activeStreamedAttribs,
    size_t startVertex,
    size_t endVertex,
    std::array<AttributeRange, gl::MAX_VERTEX_ATTRIBS> &mergeRangesOut,
    std::array<size_t, gl::MAX_VERTEX_ATTRIBS> &mergedIndexesOut) const
{ … }

// Handle copying client attribs and/or expanding attrib buffer in case where attribute
// divisor value has to be emulated.
angle::Result VertexArrayVk::updateStreamedAttribs(const gl::Context *context,
                                                   GLint firstVertex,
                                                   GLsizei vertexOrIndexCount,
                                                   GLsizei instanceCount,
                                                   gl::DrawElementsType indexTypeOrInvalid,
                                                   const void *indices)
{ … }

angle::Result VertexArrayVk::handleLineLoop(ContextVk *contextVk,
                                            GLint firstVertex,
                                            GLsizei vertexOrIndexCount,
                                            gl::DrawElementsType indexTypeOrInvalid,
                                            const void *indices,
                                            uint32_t *indexCountOut)
{ … }

angle::Result VertexArrayVk::updateDefaultAttrib(ContextVk *contextVk, size_t attribIndex)
{ … }
}  // namespace rx