shaders.cc File Reference

#include <vector>
#include "flutter/display_list/effects/dl_color_source.h"
#include "flutter/display_list/effects/dl_runtime_effect_skia.h"
#include "flutter/display_list/image/dl_image.h"
#include "flutter/skwasm/export.h"
#include "flutter/skwasm/helpers.h"
#include "flutter/skwasm/live_objects.h"
#include "flutter/skwasm/wrappers.h"
#include "third_party/skia/include/effects/SkRuntimeEffect.h"

Go to the source code of this file.

Classes
struct	Skwasm::UniformData

Namespaces
namespace	Skwasm

Functions
sk_sp< flutter::DlRuntimeEffect >	Skwasm::CreateRuntimeEffect (SkString *string)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createLinearGradient (flutter::DlPoint *end_points, uint32_t *colors, flutter::DlScalar *stops, int count, flutter::DlTileMode tile_mode, flutter::DlScalar *matrix_33)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createRadialGradient (flutter::DlScalar center_x, flutter::DlScalar center_y, flutter::DlScalar radius, uint32_t *colors, flutter::DlScalar *stops, int count, flutter::DlTileMode tile_mode, flutter::DlScalar *matrix_33)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createConicalGradient (flutter::DlPoint *end_points, flutter::DlScalar start_radius, flutter::DlScalar end_radius, uint32_t *colors, flutter::DlScalar *stops, int count, flutter::DlTileMode tile_mode, flutter::DlScalar *matrix_33)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createSweepGradient (flutter::DlScalar center_x, flutter::DlScalar center_y, uint32_t *colors, flutter::DlScalar *stops, int count, flutter::DlTileMode tile_mode, flutter::DlScalar start_angle, flutter::DlScalar end_angle, flutter::DlScalar *matrix_33)
SKWASM_EXPORT void	shader_dispose (Skwasm::sp_wrapper< flutter::DlColorSource > *shader)
SKWASM_EXPORT flutter::DlRuntimeEffect *	runtimeEffect_create (SkString *source)
SKWASM_EXPORT void	runtimeEffect_dispose (flutter::DlRuntimeEffect *effect)
SKWASM_EXPORT size_t	runtimeEffect_getUniformSize (flutter::DlRuntimeEffect *effect)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createRuntimeEffectShader (flutter::DlRuntimeEffect *runtime_effect, Skwasm::UniformData *uniforms, Skwasm::sp_wrapper< flutter::DlColorSource > **children, size_t child_count)
SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > *	shader_createFromImage (flutter::DlImage *image, flutter::DlTileMode tile_mode_x, flutter::DlTileMode tile_mode_y, Skwasm::FilterQuality quality, flutter::DlScalar *matrix_33)
SKWASM_EXPORT Skwasm::UniformData *	uniformData_create (int size)
SKWASM_EXPORT void	uniformData_dispose (Skwasm::UniformData *data)
SKWASM_EXPORT void *	uniformData_getPointer (Skwasm::UniformData *data)

Function Documentation

runtimeEffect_create()

SKWASM_EXPORT flutter::DlRuntimeEffect * runtimeEffect_create

(

SkString *

source

)

Definition at line 145 of file shaders.cc.

                                                                             {
  Skwasm::live_runtime_effect_count++;
  return Skwasm::CreateRuntimeEffect(source).release();
}

References Skwasm::CreateRuntimeEffect(), and Skwasm::live_runtime_effect_count.

runtimeEffect_dispose()

SKWASM_EXPORT void runtimeEffect_dispose

(

flutter::DlRuntimeEffect *

effect

)

Definition at line 150 of file shaders.cc.

                                                                         {
  Skwasm::live_runtime_effect_count--;
  effect->unref();
}

References Skwasm::live_runtime_effect_count.

runtimeEffect_getUniformSize()

SKWASM_EXPORT size_t runtimeEffect_getUniformSize

(

flutter::DlRuntimeEffect *

effect

)

Definition at line 156 of file shaders.cc.

                                                             {
  return effect->uniform_size();
}

References flutter::DlRuntimeEffect::uniform_size().

shader_createConicalGradient()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createConicalGradient	(	flutter::DlPoint *	end_points,
		flutter::DlScalar	start_radius,
		flutter::DlScalar	end_radius,
		uint32_t *	colors,
		flutter::DlScalar *	stops,
		int	count,
		flutter::DlTileMode	tile_mode,
		flutter::DlScalar *	matrix_33
	)

Definition at line 81 of file shaders.cc.

                                                         {
  Skwasm::live_shader_count++;
  std::vector<flutter::DlColor> dl_colors;
  dl_colors.resize(count);
  for (int i = 0; i < count; i++) {
    dl_colors[i] = flutter::DlColor(colors[i]);
  }
  if (matrix_33) {
    auto local_matrix = Skwasm::CreateDlMatrixFrom3x3(matrix_33);
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeConical(
            end_points[0], start_radius, end_points[1], end_radius, count,
            dl_colors.data(), stops, tile_mode, &local_matrix));
  } else {
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeConical(
            end_points[0], start_radius, end_points[1], end_radius, count,
            dl_colors.data(), stops, tile_mode));
  }
}

References Skwasm::CreateDlMatrixFrom3x3(), i, Skwasm::live_shader_count, and flutter::DlColorSource::MakeConical().

shader_createFromImage()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createFromImage	(	flutter::DlImage *	image,
		flutter::DlTileMode	tile_mode_x,
		flutter::DlTileMode	tile_mode_y,
		Skwasm::FilterQuality	quality,
		flutter::DlScalar *	matrix_33
	)

Definition at line 180 of file shaders.cc.

                                                   {
  Skwasm::live_shader_count++;
  if (matrix_33) {
    auto local_matrix = Skwasm::CreateDlMatrixFrom3x3(matrix_33);
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeImage(
            sk_ref_sp(image), tile_mode_x, tile_mode_y,
            Skwasm::SamplingOptionsForQuality(quality), &local_matrix));
  } else {
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeImage(
            sk_ref_sp(image), tile_mode_x, tile_mode_y,
            Skwasm::SamplingOptionsForQuality(quality)));
  }
}

References Skwasm::CreateDlMatrixFrom3x3(), image, Skwasm::live_shader_count, flutter::DlColorSource::MakeImage(), and Skwasm::SamplingOptionsForQuality().

shader_createLinearGradient()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createLinearGradient	(	flutter::DlPoint *	end_points,
		uint32_t *	colors,
		flutter::DlScalar *	stops,
		int	count,
		flutter::DlTileMode	tile_mode,
		flutter::DlScalar *	matrix_33
	)

Definition at line 25 of file shaders.cc.

  {
  Skwasm::live_shader_count++;
  std::vector<flutter::DlColor> dl_colors;
  dl_colors.resize(count);
  for (int i = 0; i < count; i++) {
    dl_colors[i] = flutter::DlColor(colors[i]);
  }
  if (matrix_33) {
    auto matrix = Skwasm::CreateDlMatrixFrom3x3(matrix_33);
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeLinear(end_points[0], end_points[1], count,
                                           dl_colors.data(), stops, tile_mode,
                                           &matrix));
  } else {
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeLinear(end_points[0], end_points[1], count,
                                           dl_colors.data(), stops, tile_mode));
  }
}

References Skwasm::CreateDlMatrixFrom3x3(), i, Skwasm::live_shader_count, and flutter::DlColorSource::MakeLinear().

shader_createRadialGradient()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createRadialGradient	(	flutter::DlScalar	center_x,
		flutter::DlScalar	center_y,
		flutter::DlScalar	radius,
		uint32_t *	colors,
		flutter::DlScalar *	stops,
		int	count,
		flutter::DlTileMode	tile_mode,
		flutter::DlScalar *	matrix_33
	)

Definition at line 52 of file shaders.cc.

                                                        {
  Skwasm::live_shader_count++;
  std::vector<flutter::DlColor> dl_colors;
  dl_colors.resize(count);
  for (int i = 0; i < count; i++) {
    dl_colors[i] = flutter::DlColor(colors[i]);
  }
  if (matrix_33) {
    auto local_matrix = Skwasm::CreateDlMatrixFrom3x3(matrix_33);
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeRadial(flutter::DlPoint{center_x, center_y},
                                           radius, count, dl_colors.data(),
                                           stops, tile_mode, &local_matrix));
  } else {
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeRadial(flutter::DlPoint{center_x, center_y},
                                           radius, count, dl_colors.data(),
                                           stops, tile_mode));
  }
}

References Skwasm::CreateDlMatrixFrom3x3(), i, Skwasm::live_shader_count, and flutter::DlColorSource::MakeRadial().

shader_createRuntimeEffectShader()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createRuntimeEffectShader	(	flutter::DlRuntimeEffect *	runtime_effect,
		Skwasm::UniformData *	uniforms,
		Skwasm::sp_wrapper< flutter::DlColorSource > **	children,
		size_t	child_count
	)

Definition at line 161 of file shaders.cc.

                        {
  Skwasm::live_shader_count++;
  std::vector<std::shared_ptr<flutter::DlColorSource>> child_pointers;
  child_pointers.resize(child_count);
  for (size_t i = 0; i < child_count; i++) {
    child_pointers[i] = children[i]->Shared();
  }
 
  return new Skwasm::sp_wrapper<flutter::DlColorSource>(
      flutter::DlColorSource::MakeRuntimeEffect(sk_ref_sp(runtime_effect),
                                                std::move(child_pointers),
                                                uniforms->data));
}

References Skwasm::UniformData::data, i, Skwasm::live_shader_count, flutter::DlColorSource::MakeRuntimeEffect(), and Skwasm::sp_wrapper< T >::Shared().

shader_createSweepGradient()

SKWASM_EXPORT Skwasm::sp_wrapper< flutter::DlColorSource > * shader_createSweepGradient	(	flutter::DlScalar	center_x,
		flutter::DlScalar	center_y,
		uint32_t *	colors,
		flutter::DlScalar *	stops,
		int	count,
		flutter::DlTileMode	tile_mode,
		flutter::DlScalar	start_angle,
		flutter::DlScalar	end_angle,
		flutter::DlScalar *	matrix_33
	)

Definition at line 110 of file shaders.cc.

                                                       {
  Skwasm::live_shader_count++;
  std::vector<flutter::DlColor> dl_colors;
  dl_colors.resize(count);
  for (int i = 0; i < count; i++) {
    dl_colors[i] = flutter::DlColor(colors[i]);
  }
  if (matrix_33) {
    auto local_matrix = Skwasm::CreateDlMatrixFrom3x3(matrix_33);
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeSweep(
            flutter::DlPoint{center_x, center_y}, start_angle, end_angle, count,
            dl_colors.data(), stops, tile_mode, &local_matrix));
  } else {
    return new Skwasm::sp_wrapper<flutter::DlColorSource>(
        flutter::DlColorSource::MakeSweep(flutter::DlPoint{center_x, center_y},
                                          start_angle, end_angle, count,
                                          dl_colors.data(), stops, tile_mode));
  }
}

References Skwasm::CreateDlMatrixFrom3x3(), i, Skwasm::live_shader_count, and flutter::DlColorSource::MakeSweep().

shader_dispose()

SKWASM_EXPORT void shader_dispose

(

Skwasm::sp_wrapper< flutter::DlColorSource > *

shader

)

Definition at line 139 of file shaders.cc.

                                                    {
  Skwasm::live_shader_count--;
  delete shader;
}

References Skwasm::live_shader_count.

uniformData_create()

SKWASM_EXPORT Skwasm::UniformData * uniformData_create

(

int

size

)

Definition at line 200 of file shaders.cc.

                                                              {
  return new Skwasm::UniformData{std::make_shared<std::vector<uint8_t>>(size)};
}

uniformData_dispose()

SKWASM_EXPORT void uniformData_dispose

(

Skwasm::UniformData *

data

)

Definition at line 204 of file shaders.cc.

                                                                {
  delete data;
}

References data.

uniformData_getPointer()

SKWASM_EXPORT void * uniformData_getPointer

(

Skwasm::UniformData *

data

)

Definition at line 208 of file shaders.cc.

                                                                    {
  return data->data->data();
}

References data, and Skwasm::UniformData::data.