renil/yuzu
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

shader: Implement tessellation shaders, polygon mode and invocation id

Browse Source
This commit is contained in:
ReinUsesLisp
2021-04-15 22:46:11 -03:00
committed by ameerj
parent 34519d3fc6
commit 183855e396
28 changed files with 605 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

147
src/shader_recompiler/backend/spirv/emit_context.cpp
View File

@ -125,19 +125,36 @@ u32 NumVertices(InputTopology input_topology) {
throw InvalidArgument("Invalid input topology {}", input_topology);
}
Id DefineInput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) {
if (ctx.stage == Stage::Geometry) {
const u32 num_vertices{NumVertices(ctx.profile.input_topology)};
type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], num_vertices));
Id DefineInput(EmitContext& ctx, Id type, bool per_invocation,
std::optional<spv::BuiltIn> builtin = std::nullopt) {
switch (ctx.stage) {
case Stage::TessellationControl:
case Stage::TessellationEval:
if (per_invocation) {
type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], 32u));
}
break;
case Stage::Geometry:
if (per_invocation) {
const u32 num_vertices{NumVertices(ctx.profile.input_topology)};
type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], num_vertices));
}
break;
default:
break;
}
return DefineVariable(ctx, type, builtin, spv::StorageClass::Input);
}
Id DefineOutput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) {
Id DefineOutput(EmitContext& ctx, Id type, std::optional<u32> invocations,
std::optional<spv::BuiltIn> builtin = std::nullopt) {
if (invocations && ctx.stage == Stage::TessellationControl) {
type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], *invocations));
}
return DefineVariable(ctx, type, builtin, spv::StorageClass::Output);
}
void DefineGenericOutput(EmitContext& ctx, size_t index) {
void DefineGenericOutput(EmitContext& ctx, size_t index, std::optional<u32> invocations) {
static constexpr std::string_view swizzle{"xyzw"};
const size_t base_attr_index{static_cast<size_t>(IR::Attribute::Generic0X) + index * 4};
u32 element{0};
@ -150,7 +167,7 @@ void DefineGenericOutput(EmitContext& ctx, size_t index) {
}
const u32 num_components{xfb_varying ? xfb_varying->components : remainder};
const Id id{DefineOutput(ctx, ctx.F32[num_components])};
const Id id{DefineOutput(ctx, ctx.F32[num_components], invocations)};
ctx.Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
if (element > 0) {
ctx.Decorate(id, spv::Decoration::Component, element);
@ -161,10 +178,10 @@ void DefineGenericOutput(EmitContext& ctx, size_t index) {
ctx.Decorate(id, spv::Decoration::Offset, xfb_varying->offset);
}
if (num_components < 4 || element > 0) {
ctx.Name(id, fmt::format("out_attr{}", index));
} else {
const std::string_view subswizzle{swizzle.substr(element, num_components)};
ctx.Name(id, fmt::format("out_attr{}_{}", index, subswizzle));
} else {
ctx.Name(id, fmt::format("out_attr{}", index));
}
const GenericElementInfo info{
.id = id,
@ -383,7 +400,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin
AddCapability(spv::Capability::Shader);
DefineCommonTypes(program.info);
DefineCommonConstants();
DefineInterfaces(program.info);
DefineInterfaces(program);
DefineLocalMemory(program);
DefineSharedMemory(program);
DefineSharedMemoryFunctions(program);
@ -472,9 +489,9 @@ void EmitContext::DefineCommonConstants() {
f32_zero_value = Constant(F32[1], 0.0f);
}
void EmitContext::DefineInterfaces(const Info& info) {
DefineInputs(info);
DefineOutputs(info);
void EmitContext::DefineInterfaces(const IR::Program& program) {
DefineInputs(program.info);
DefineOutputs(program);
}
void EmitContext::DefineLocalMemory(const IR::Program& program) {
@ -972,26 +989,29 @@ void EmitContext::DefineLabels(IR::Program& program) {
void EmitContext::DefineInputs(const Info& info) {
if (info.uses_workgroup_id) {
workgroup_id = DefineInput(*this, U32[3], spv::BuiltIn::WorkgroupId);
workgroup_id = DefineInput(*this, U32[3], false, spv::BuiltIn::WorkgroupId);
}
if (info.uses_local_invocation_id) {
local_invocation_id = DefineInput(*this, U32[3], spv::BuiltIn::LocalInvocationId);
local_invocation_id = DefineInput(*this, U32[3], false, spv::BuiltIn::LocalInvocationId);
}
if (info.uses_invocation_id) {
invocation_id = DefineInput(*this, U32[1], false, spv::BuiltIn::InvocationId);
}
if (info.uses_is_helper_invocation) {
is_helper_invocation = DefineInput(*this, U1, spv::BuiltIn::HelperInvocation);
is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation);
}
if (info.uses_subgroup_mask) {
subgroup_mask_eq = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupEqMaskKHR);
subgroup_mask_lt = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupLtMaskKHR);
subgroup_mask_le = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupLeMaskKHR);
subgroup_mask_gt = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupGtMaskKHR);
subgroup_mask_ge = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupGeMaskKHR);
subgroup_mask_eq = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupEqMaskKHR);
subgroup_mask_lt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLtMaskKHR);
subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR);
subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR);
subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR);
}
if (info.uses_subgroup_invocation_id ||
(profile.warp_size_potentially_larger_than_guest &&
(info.uses_subgroup_vote || info.uses_subgroup_mask))) {
subgroup_local_invocation_id =
DefineInput(*this, U32[1], spv::BuiltIn::SubgroupLocalInvocationId);
DefineInput(*this, U32[1], false, spv::BuiltIn::SubgroupLocalInvocationId);
}
if (info.uses_fswzadd) {
const Id f32_one{Constant(F32[1], 1.0f)};
@ -1004,29 +1024,32 @@ void EmitContext::DefineInputs(const Info& info) {
if (info.loads_position) {
const bool is_fragment{stage != Stage::Fragment};
const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
input_position = DefineInput(*this, F32[4], built_in);
input_position = DefineInput(*this, F32[4], true, built_in);
}
if (info.loads_instance_id) {
if (profile.support_vertex_instance_id) {
instance_id = DefineInput(*this, U32[1], spv::BuiltIn::InstanceId);
instance_id = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceId);
} else {
instance_index = DefineInput(*this, U32[1], spv::BuiltIn::InstanceIndex);
base_instance = DefineInput(*this, U32[1], spv::BuiltIn::BaseInstance);
instance_index = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceIndex);
base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseInstance);
}
}
if (info.loads_vertex_id) {
if (profile.support_vertex_instance_id) {
vertex_id = DefineInput(*this, U32[1], spv::BuiltIn::VertexId);
vertex_id = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexId);
} else {
vertex_index = DefineInput(*this, U32[1], spv::BuiltIn::VertexIndex);
base_vertex = DefineInput(*this, U32[1], spv::BuiltIn::BaseVertex);
vertex_index = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexIndex);
base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
}
}
if (info.loads_front_face) {
front_face = DefineInput(*this, U1, spv::BuiltIn::FrontFacing);
front_face = DefineInput(*this, U1, true, spv::BuiltIn::FrontFacing);
}
if (info.loads_point_coord) {
point_coord = DefineInput(*this, F32[2], spv::BuiltIn::PointCoord);
point_coord = DefineInput(*this, F32[2], true, spv::BuiltIn::PointCoord);
}
if (info.loads_tess_coord) {
tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord);
}
for (size_t index = 0; index < info.input_generics.size(); ++index) {
const InputVarying generic{info.input_generics[index]};
@ -1038,7 +1061,7 @@ void EmitContext::DefineInputs(const Info& info) {
continue;
}
const Id type{GetAttributeType(*this, input_type)};
const Id id{DefineInput(*this, type)};
const Id id{DefineInput(*this, type, true)};
Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
Name(id, fmt::format("in_attr{}", index));
input_generics[index] = id;
@ -1059,58 +1082,98 @@ void EmitContext::DefineInputs(const Info& info) {
break;
}
}
if (stage == Stage::TessellationEval) {
for (size_t index = 0; index < info.uses_patches.size(); ++index) {
if (!info.uses_patches[index]) {
continue;
}
const Id id{DefineInput(*this, F32[4], false)};
Decorate(id, spv::Decoration::Patch);
Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
patches[index] = id;
}
}
}
void EmitContext::DefineOutputs(const Info& info) {
void EmitContext::DefineOutputs(const IR::Program& program) {
const Info& info{program.info};
const std::optional<u32> invocations{program.invocations};
if (info.stores_position || stage == Stage::VertexB) {
output_position = DefineOutput(*this, F32[4], spv::BuiltIn::Position);
output_position = DefineOutput(*this, F32[4], invocations, spv::BuiltIn::Position);
}
if (info.stores_point_size || profile.fixed_state_point_size) {
if (stage == Stage::Fragment) {
throw NotImplementedException("Storing PointSize in fragment stage");
}
output_point_size = DefineOutput(*this, F32[1], spv::BuiltIn::PointSize);
output_point_size = DefineOutput(*this, F32[1], invocations, spv::BuiltIn::PointSize);
}
if (info.stores_clip_distance) {
if (stage == Stage::Fragment) {
throw NotImplementedException("Storing ClipDistance in fragment stage");
}
const Id type{TypeArray(F32[1], Constant(U32[1], 8U))};
clip_distances = DefineOutput(*this, type, spv::BuiltIn::ClipDistance);
clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance);
}
if (info.stores_layer &&
(profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) {
if (stage == Stage::Fragment) {
throw NotImplementedException("Storing Layer in fragment stage");
}
layer = DefineOutput(*this, U32[1], spv::BuiltIn::Layer);
layer = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::Layer);
}
if (info.stores_viewport_index &&
(profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) {
if (stage == Stage::Fragment) {
throw NotImplementedException("Storing ViewportIndex in fragment stage");
}
viewport_index = DefineOutput(*this, U32[1], spv::BuiltIn::ViewportIndex);
viewport_index = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::ViewportIndex);
}
for (size_t index = 0; index < info.stores_generics.size(); ++index) {
if (info.stores_generics[index]) {
DefineGenericOutput(*this, index);
DefineGenericOutput(*this, index, invocations);
}
}
if (stage == Stage::Fragment) {
switch (stage) {
case Stage::TessellationControl:
if (info.stores_tess_level_outer) {
const Id type{TypeArray(F32[1], Constant(U32[1], 4))};
output_tess_level_outer =
DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelOuter);
Decorate(output_tess_level_outer, spv::Decoration::Patch);
}
if (info.stores_tess_level_inner) {
const Id type{TypeArray(F32[1], Constant(U32[1], 2))};
output_tess_level_inner =
DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelInner);
Decorate(output_tess_level_inner, spv::Decoration::Patch);
}
for (size_t index = 0; index < info.uses_patches.size(); ++index) {
if (!info.uses_patches[index]) {
continue;
}
const Id id{DefineOutput(*this, F32[4], std::nullopt)};
Decorate(id, spv::Decoration::Patch);
Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
patches[index] = id;
}
break;
case Stage::Fragment:
for (u32 index = 0; index < 8; ++index) {
if (!info.stores_frag_color[index]) {
continue;
}
frag_color[index] = DefineOutput(*this, F32[4]);
frag_color[index] = DefineOutput(*this, F32[4], std::nullopt);
Decorate(frag_color[index], spv::Decoration::Location, index);
Name(frag_color[index], fmt::format("frag_color{}", index));
}
if (info.stores_frag_depth) {
frag_depth = DefineOutput(*this, F32[1]);
frag_depth = DefineOutput(*this, F32[1], std::nullopt);
Decorate(frag_depth, spv::Decoration::BuiltIn, spv::BuiltIn::FragDepth);
Name(frag_depth, "frag_depth");
}
break;
default:
break;
}
}