5 #ifndef FLUTTER_IMPELLER_RENDERER_CAPABILITIES_H_
6 #define FLUTTER_IMPELLER_RENDERER_CAPABILITIES_H_
177 std::unique_ptr<Capabilities>
Build();
180 bool supports_offscreen_msaa_ =
false;
181 bool supports_ssbo_ =
false;
182 bool supports_texture_to_texture_blits_ =
false;
183 bool supports_framebuffer_fetch_ =
false;
184 bool supports_compute_ =
false;
185 bool supports_compute_subgroups_ =
false;
186 bool supports_read_from_resolve_ =
false;
187 bool supports_decal_sampler_address_mode_ =
false;
188 bool supports_device_transient_textures_ =
false;
189 bool supports_triangle_fan_ =
false;
190 bool supports_extended_range_formats_ =
false;
191 std::optional<PixelFormat> default_color_format_ = std::nullopt;
192 std::optional<PixelFormat> default_stencil_format_ = std::nullopt;
193 std::optional<PixelFormat> default_depth_stencil_format_ = std::nullopt;
194 std::optional<PixelFormat> default_glyph_atlas_format_ = std::nullopt;
195 std::optional<ISize> default_maximum_render_pass_attachment_size_ =
197 size_t minimum_uniform_alignment_ = 256;
CapabilitiesBuilder & SetDefaultColorFormat(PixelFormat value)
CapabilitiesBuilder & SetSupportsComputeSubgroups(bool value)
CapabilitiesBuilder & SetMinimumUniformAlignment(size_t value)
CapabilitiesBuilder & SetSupportsTextureToTextureBlits(bool value)
CapabilitiesBuilder & SetDefaultStencilFormat(PixelFormat value)
CapabilitiesBuilder & SetSupportsDeviceTransientTextures(bool value)
CapabilitiesBuilder & SetSupportsTriangleFan(bool value)
CapabilitiesBuilder & SetSupportsFramebufferFetch(bool value)
CapabilitiesBuilder & SetSupportsDecalSamplerAddressMode(bool value)
CapabilitiesBuilder & SetSupportsOffscreenMSAA(bool value)
CapabilitiesBuilder & SetSupportsSSBO(bool value)
CapabilitiesBuilder & SetMaximumRenderPassAttachmentSize(ISize size)
CapabilitiesBuilder & SetSupportsExtendedRangeFormats(bool value)
CapabilitiesBuilder & SetDefaultGlyphAtlasFormat(PixelFormat value)
CapabilitiesBuilder & SetSupportsCompute(bool value)
std::unique_ptr< Capabilities > Build()
CapabilitiesBuilder & SetDefaultDepthStencilFormat(PixelFormat value)
CapabilitiesBuilder & SetSupportsReadFromResolve(bool value)
virtual PixelFormat GetDefaultStencilFormat() const =0
Returns a supported PixelFormat for textures that store stencil information. May include a depth chan...
virtual size_t GetMinimumUniformAlignment() const =0
The minimum alignment of uniform value offsets in bytes.
virtual bool SupportsOffscreenMSAA() const =0
Whether the context backend supports attaching offscreen MSAA color/stencil textures.
virtual bool SupportsImplicitResolvingMSAA() const =0
Whether the context backend supports multisampled rendering to the on-screen surface without requirin...
virtual bool SupportsFramebufferFetch() const =0
Whether the context backend is able to support pipelines with shaders that read from the framebuffer ...
virtual bool SupportsDecalSamplerAddressMode() const =0
Whether the context backend supports SamplerAddressMode::Decal.
virtual bool SupportsReadFromResolve() const =0
Whether the context backend supports binding the current RenderPass attachments. This is supported if...
virtual bool SupportsTriangleFan() const =0
Whether the primitive type TriangleFan is supported by the backend.
virtual bool SupportsComputeSubgroups() const =0
Whether the context backend supports configuring ComputePass command subgroups.
Capabilities(const Capabilities &)=delete
virtual PixelFormat GetDefaultGlyphAtlasFormat() const =0
Returns the default pixel format for the alpha bitmap glyph atlas.
virtual bool SupportsPrimitiveRestart() const =0
Whether primitive restart is supported.
virtual PixelFormat GetDefaultColorFormat() const =0
Returns a supported PixelFormat for textures that store 4-channel colors (red/green/blue/alpha).
virtual ISize GetMaximumRenderPassAttachmentSize() const =0
Return the maximum size of a render pass attachment.
virtual bool SupportsDeviceTransientTextures() const =0
Whether the context backend supports allocating StorageMode::kDeviceTransient (aka "memoryless") text...
Capabilities & operator=(const Capabilities &)=delete
virtual bool SupportsCompute() const =0
Whether the context backend supports ComputePass.
virtual bool SupportsExtendedRangeFormats() const =0
Whether the XR formats are supported on this device.
virtual bool SupportsSSBO() const =0
Whether the context backend supports binding Shader Storage Buffer Objects (SSBOs) to pipelines.
virtual PixelFormat GetDefaultDepthStencilFormat() const =0
Returns a supported PixelFormat for textures that store both a stencil and depth component....
virtual bool SupportsTextureToTextureBlits() const =0
Whether the context backend supports blitting from one texture region to another texture region (via ...
PixelFormat
The Pixel formats supported by Impeller. The naming convention denotes the usage of the component,...