blob: f2dde2ce6e4ab216f43cc79f8ea7dac1437f62cb [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#pragma once
#include <memory>
#include "flutter/fml/macros.h"
#include "impeller/core/formats.h"
namespace impeller {
class Capabilities {
public:
virtual ~Capabilities();
virtual bool HasThreadingRestrictions() const = 0;
virtual bool SupportsOffscreenMSAA() const = 0;
virtual bool SupportsSSBO() const = 0;
virtual bool SupportsTextureToTextureBlits() const = 0;
virtual bool SupportsFramebufferFetch() const = 0;
virtual bool SupportsCompute() const = 0;
virtual bool SupportsComputeSubgroups() const = 0;
virtual bool SupportsReadFromOnscreenTexture() const = 0;
virtual bool SupportsReadFromResolve() const = 0;
virtual bool SupportsDecalTileMode() const = 0;
virtual PixelFormat GetDefaultColorFormat() const = 0;
virtual PixelFormat GetDefaultStencilFormat() const = 0;
protected:
Capabilities();
FML_DISALLOW_COPY_AND_ASSIGN(Capabilities);
};
class CapabilitiesBuilder {
public:
CapabilitiesBuilder();
~CapabilitiesBuilder();
CapabilitiesBuilder& SetHasThreadingRestrictions(bool value);
CapabilitiesBuilder& SetSupportsOffscreenMSAA(bool value);
CapabilitiesBuilder& SetSupportsSSBO(bool value);
CapabilitiesBuilder& SetSupportsTextureToTextureBlits(bool value);
CapabilitiesBuilder& SetSupportsFramebufferFetch(bool value);
CapabilitiesBuilder& SetSupportsCompute(bool compute, bool subgroups);
CapabilitiesBuilder& SetSupportsReadFromOnscreenTexture(
bool read_from_onscreen_texture);
CapabilitiesBuilder& SetSupportsReadFromResolve(bool read_from_resolve);
CapabilitiesBuilder& SetDefaultColorFormat(PixelFormat value);
CapabilitiesBuilder& SetDefaultStencilFormat(PixelFormat value);
CapabilitiesBuilder& SetSupportsDecalTileMode(bool value);
std::unique_ptr<Capabilities> Build();
private:
bool has_threading_restrictions_ = false;
bool supports_offscreen_msaa_ = false;
bool supports_ssbo_ = false;
bool supports_texture_to_texture_blits_ = false;
bool supports_framebuffer_fetch_ = false;
bool supports_compute_ = false;
bool supports_compute_subgroups_ = false;
bool supports_read_from_onscreen_texture_ = false;
bool supports_read_from_resolve_ = false;
bool supports_decal_tile_mode_ = false;
std::optional<PixelFormat> default_color_format_ = std::nullopt;
std::optional<PixelFormat> default_stencil_format_ = std::nullopt;
FML_DISALLOW_COPY_AND_ASSIGN(CapabilitiesBuilder);
};
} // namespace impeller