#include <runtime_types.h>

Public Member Functions
size_t	GetDartSize () const
	Computes the total number of bytes that this uniform requires for representation in the Dart float buffer.

size_t	GetGPUSize () const
	Computes the total number of bytes that this uniform requires for representation in the GPU.

Public Attributes
std::string	name

size_t	location = 0u

size_t	binding = 0u
	Location, but for Vulkan.

RuntimeUniformType	type = RuntimeUniformType::kFloat

RuntimeUniformDimensions	dimensions = {}

size_t	bit_width = 0u

std::optional< size_t >	array_elements

std::vector< RuntimePaddingType >	padding_layout = {}

std::vector< StructField >	struct_fields = {}

size_t	struct_float_count = 0u

Detailed Description

Definition at line 52 of file runtime_types.h.

Member Function Documentation

◆ GetDartSize()

size_t impeller::RuntimeUniformDescription::GetDartSize ( ) const

Computes the total number of bytes that this uniform requires for representation in the Dart float buffer.

Definition at line 9 of file runtime_types.cc.

                                                    {
  size_t size = 0;
  if (!padding_layout.empty()) {
    for (impeller::RuntimePaddingType byte_type : padding_layout) {
      if (byte_type == RuntimePaddingType::kFloat) {
        size += sizeof(float);
      }
    }
  } else {
    size = dimensions.rows * dimensions.cols * bit_width / 8u;
  }
  if (array_elements.value_or(0) > 0) {
    // Covered by check on the line above.
    // NOLINTNEXTLINE(bugprone-unchecked-optional-access)
    size *= array_elements.value();
  }
  return size;
}

References array_elements, bit_width, impeller::RuntimeUniformDimensions::cols, dimensions, impeller::kFloat, padding_layout, and impeller::RuntimeUniformDimensions::rows.

Referenced by flutter::FragmentProgram::initFromAsset().

◆ GetGPUSize()

size_t impeller::RuntimeUniformDescription::GetGPUSize ( ) const

Computes the total number of bytes that this uniform requires for representation in the GPU.

Definition at line 28 of file runtime_types.cc.

                                                   {
  size_t size = 0;
  if (padding_layout.empty()) {
    size = dimensions.rows * dimensions.cols * bit_width / 8u;
  } else {
    size = sizeof(float) * padding_layout.size();
  }
  if (array_elements.value_or(0) > 0) {
    // Covered by check on the line above.
    // NOLINTNEXTLINE(bugprone-unchecked-optional-access)
    size *= array_elements.value();
  }
  return size;
}