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//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// FeaturesMtl.h: Optional features for the Metal renderer.
//
#ifndef ANGLE_PLATFORM_FEATURESMTL_H_
#define ANGLE_PLATFORM_FEATURESMTL_H_
#include "platform/Feature.h"
namespace angle
{
struct FeaturesMtl : FeatureSetBase
{
// BaseVertex/Instanced draw support:
Feature hasBaseVertexInstancedDraw = {
"has_base_vertex_instanced_draw", FeatureCategory::MetalFeatures,
"The renderer supports base vertex instanced draw", &members};
// Support depth texture filtering
Feature hasDepthTextureFiltering = {
"has_depth_texture_filtering", FeatureCategory::MetalFeatures,
"The renderer supports depth texture's filtering other than nearest", &members};
// Support explicit memory barrier
Feature hasExplicitMemBarrier = {"has_explicit_mem_barrier_mtl", FeatureCategory::MetalFeatures,
"The renderer supports explicit memory barrier", &members};
// Some renderer can break render pass cheaply, i.e. desktop class GPUs.
Feature hasCheapRenderPass = {"has_cheap_render_pass_mtl", FeatureCategory::MetalFeatures,
"The renderer can cheaply break a render pass.", &members};
// Non-uniform compute shader dispatch support, i.e. Group size is not necessarily to be fixed:
Feature hasNonUniformDispatch = {
"has_non_uniform_dispatch", FeatureCategory::MetalFeatures,
"The renderer supports non uniform compute shader dispatch's group size", &members};
// fragment stencil output support
Feature hasStencilOutput = {"has_shader_stencil_output", FeatureCategory::MetalFeatures,
"The renderer supports stencil output from fragment shader",
&members};
// Texture swizzle support:
Feature hasTextureSwizzle = {"has_texture_swizzle", FeatureCategory::MetalFeatures,
"The renderer supports texture swizzle", &members};
Feature hasDepthAutoResolve = {
"has_msaa_depth_auto_resolve", FeatureCategory::MetalFeatures,
"The renderer supports MSAA depth auto resolve at the end of render pass", &members};
Feature hasStencilAutoResolve = {
"has_msaa_stencil_auto_resolve", FeatureCategory::MetalFeatures,
"The renderer supports MSAA stencil auto resolve at the end of render pass", &members};
Feature hasEvents = {"has_mtl_events", FeatureCategory::MetalFeatures,
"The renderer supports MTL(Shared)Event", &members};
// On macos, separate depth & stencil buffers are not supproted. However, on iOS devices,
// they are supproted:
Feature allowSeparatedDepthStencilBuffers = {
"allow_separate_depth_stencil_buffers", FeatureCategory::MetalFeatures,
"Some Apple platforms such as iOS allows separate depth & stencil buffers, "
"whereas others such as macOS don't",
&members};
Feature allowMultisampleStoreAndResolve = {
"allow_msaa_store_and_resolve", FeatureCategory::MetalFeatures,
"The renderer supports MSAA store and resolve in the same pass", &members};
Feature allowGenMultipleMipsPerPass = {
"gen_multiple_mips_per_pass", FeatureCategory::MetalFeatures,
"The renderer supports generating multiple mipmaps per pass", &members};
Feature forceBufferGPUStorage = {
"force_buffer_gpu_storage_mtl", FeatureCategory::MetalFeatures,
"On systems that support both buffer's memory allocation on GPU and shared memory (such as "
"macOS), force using GPU memory allocation for buffers.",
&members};
Feature forceD24S8AsUnsupported = {"force_d24s8_as_unsupported", FeatureCategory::MetalFeatures,
"Force Depth24Stencil8 format as unsupported.", &members};
};
} // namespace angle
#endif // ANGLE_PLATFORM_FEATURESMTL_H_
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