texture.h File Reference

#include "flutter/lib/gpu/context.h"
#include "flutter/lib/gpu/export.h"
#include "flutter/lib/ui/dart_wrapper.h"
#include "impeller/core/formats.h"
#include "third_party/tonic/typed_data/dart_byte_data.h"

Go to the source code of this file.

Classes
class	flutter::gpu::Texture

Namespaces
namespace	flutter
namespace	flutter::gpu

Functions
FLUTTER_GPU_EXPORT bool	InternalFlutterGpu_Texture_Initialize (Dart_Handle wrapper, flutter::gpu::Context *gpu_context, int storage_mode, int format, int width, int height, int sample_count, int coordinate_system, bool enable_render_target_usage, bool enable_shader_read_usage, bool enable_shader_write_usage)
FLUTTER_GPU_EXPORT void	InternalFlutterGpu_Texture_SetCoordinateSystem (flutter::gpu::Texture *wrapper, int coordinate_system)
FLUTTER_GPU_EXPORT bool	InternalFlutterGpu_Texture_Overwrite (flutter::gpu::Texture *wrapper, Dart_Handle source_byte_data)
FLUTTER_GPU_EXPORT int	InternalFlutterGpu_Texture_BytesPerTexel (flutter::gpu::Texture *wrapper)
FLUTTER_GPU_EXPORT Dart_Handle	InternalFlutterGpu_Texture_AsImage (flutter::gpu::Texture *wrapper)

Function Documentation

InternalFlutterGpu_Texture_AsImage()

FLUTTER_GPU_EXPORT Dart_Handle InternalFlutterGpu_Texture_AsImage ( flutter::gpu::Texture *  wrapper )

extern

Definition at line 144 of file texture.cc.

                                                                           {
  return wrapper->AsImage();
}

InternalFlutterGpu_Texture_BytesPerTexel()

FLUTTER_GPU_EXPORT int InternalFlutterGpu_Texture_BytesPerTexel ( flutter::gpu::Texture *  wrapper )

extern

Definition at line 139 of file texture.cc.

                                {
  return wrapper->GetBytesPerTexel();
}

InternalFlutterGpu_Texture_Initialize()

FLUTTER_GPU_EXPORT bool InternalFlutterGpu_Texture_Initialize ( Dart_Handle  wrapper, flutter::gpu::Context *  gpu_context, int  storage_mode, int  format, int  width, int  height, int  sample_count, int  coordinate_system, bool  enable_render_target_usage, bool  enable_shader_read_usage, bool  enable_shader_write_usage  )

extern

Exports

Definition at line 74 of file texture.cc.

                                                                           {
  impeller::TextureDescriptor desc;
  desc.storage_mode = flutter::gpu::ToImpellerStorageMode(storage_mode);
  desc.size = {width, height};
  desc.format = flutter::gpu::ToImpellerPixelFormat(format);
  desc.usage = {};
  if (enable_render_target_usage) {
    desc.usage |= impeller::TextureUsage::kRenderTarget;
  }
  if (enable_shader_read_usage) {
    desc.usage |= impeller::TextureUsage::kShaderRead;
  }
  if (enable_shader_write_usage) {
    desc.usage |= impeller::TextureUsage::kShaderWrite;
  }
  switch (sample_count) {
    case 1:
      desc.type = impeller::TextureType::kTexture2D;
      desc.sample_count = impeller::SampleCount::kCount1;
      break;
    case 4:
      desc.type = impeller::TextureType::kTexture2DMultisample;
      desc.sample_count = impeller::SampleCount::kCount4;
      break;
    default:
      return false;
  }
  auto texture =
      gpu_context->GetContext()->GetResourceAllocator()->CreateTexture(desc);
  if (!texture) {
    FML_LOG(ERROR) << "Failed to create texture.";
    return false;
  }
 
  texture->SetCoordinateSystem(
      flutter::gpu::ToImpellerTextureCoordinateSystem(coordinate_system));
 
  auto res = fml::MakeRefCounted<flutter::gpu::Texture>(std::move(texture));
  res->AssociateWithDartWrapper(wrapper);
 
  return true;
}

InternalFlutterGpu_Texture_Overwrite()

FLUTTER_GPU_EXPORT bool InternalFlutterGpu_Texture_Overwrite ( flutter::gpu::Texture *  wrapper, Dart_Handle  source_byte_data  )

extern

Definition at line 134 of file texture.cc.

                                                                        {
  return texture->Overwrite(tonic::DartByteData(source_byte_data));
}

InternalFlutterGpu_Texture_SetCoordinateSystem()

FLUTTER_GPU_EXPORT void InternalFlutterGpu_Texture_SetCoordinateSystem ( flutter::gpu::Texture *  wrapper, int  coordinate_system  )

extern

Definition at line 127 of file texture.cc.

                           {
  return wrapper->SetCoordinateSystem(
      flutter::gpu::ToImpellerTextureCoordinateSystem(coordinate_system));
}