impeller::Range Struct Reference

#include <range.h>

Public Member Functions
constexpr	Range ()
constexpr	Range (size_t p_offset, size_t p_length)
constexpr bool	operator== (const Range &o) const
constexpr Range	Merge (const Range &other)
	Create a new range that is a union of this range and other. More...

Public Attributes
size_t	offset = 0
size_t	length = 0

Detailed Description

Definition at line 13 of file range.h.

Constructor & Destructor Documentation

Range() [1/2]

constexpr impeller::Range::Range ( )

inlineconstexpr

Definition at line 17 of file range.h.

{}

Range() [2/2]

constexpr impeller::Range::Range ( size_t  p_offset, size_t  p_length  )

inlineconstexpr

Definition at line 19 of file range.h.

      : offset(p_offset), length(p_length) {}

Member Function Documentation

Merge()

constexpr Range impeller::Range::Merge ( const Range &  other )

inlineconstexpr

Create a new range that is a union of this range and other.

Definition at line 27 of file range.h.

                                            {
    if (other.length == 0) {
      return *this;
    }
    if (length == 0) {
      return other;
    }
    auto end_offset = std::max(offset + length, other.offset + other.length);
    auto start_offset = std::min(offset, other.offset);
    return Range{start_offset, end_offset - start_offset};
  }

References length, and offset.

Referenced by impeller::testing::TEST().

operator==()

constexpr bool impeller::Range::operator== ( const Range &  o ) const

inlineconstexpr

Definition at line 22 of file range.h.

                                                  {
    return offset == o.offset && length == o.length;
  }

References length, and offset.

Member Data Documentation

length

size_t impeller::Range::length = 0

Definition at line 15 of file range.h.

Referenced by impeller::BlitPass::AddCopy(), impeller::BufferBindingsGLES::BindUniformData(), impeller::DeviceBuffer::CopyHostBuffer(), impeller::BlitCopyBufferToTextureCommandGLES::Encode(), Merge(), operator==(), and impeller::RenderPass::SetVertexBuffer().

offset

size_t impeller::Range::offset = 0

Definition at line 14 of file range.h.

Referenced by impeller::Bind(), impeller::BufferBindingsGLES::BindUniformData(), impeller::BindVertexBuffer(), impeller::RenderPass::Draw(), Merge(), operator==(), impeller::Tessellator::TessellateConvex(), and impeller::testing::TEST_P().

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The documentation for this struct was generated from the following file:

• impeller/core/range.h