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-rw-r--r--src/shader_recompiler/backend/spirv/emit_context.cpp6
-rw-r--r--src/shader_recompiler/backend/spirv/emit_context.h3
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv.cpp10
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp10
-rw-r--r--src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp3
-rw-r--r--src/shader_recompiler/profile.h1
-rw-r--r--src/shader_recompiler/shader_info.h1
-rw-r--r--src/video_core/renderer_vulkan/vk_pipeline_cache.cpp1
8 files changed, 33 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 3b3fea50c..a8041aadc 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -509,6 +509,12 @@ void EmitContext::DefineOutputs(const Info& info) {
const Id type{TypeArray(F32[1], Constant(U32[1], 8U))};
clip_distances = DefineOutput(*this, type, spv::BuiltIn::ClipDistance);
}
+ if (info.stores_viewport_index && !ignore_viewport_layer) {
+ if (stage == Stage::Fragment) {
+ throw NotImplementedException("Storing ViewportIndex in Fragment stage");
+ }
+ viewport_index = DefineOutput(*this, U32[1], spv::BuiltIn::ViewportIndex);
+ }
for (size_t i = 0; i < info.stores_generics.size(); ++i) {
if (info.stores_generics[i]) {
output_generics[i] = DefineOutput(*this, F32[4]);
diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h
index dc4e1227a..1573c2560 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.h
+++ b/src/shader_recompiler/backend/spirv/emit_context.h
@@ -106,6 +106,7 @@ public:
Id front_face{};
Id point_coord{};
Id clip_distances{};
+ Id viewport_index{};
Id fswzadd_lut_a{};
Id fswzadd_lut_b{};
@@ -133,6 +134,8 @@ public:
std::vector<Id> interfaces;
+ bool ignore_viewport_layer{};
+
private:
void DefineCommonTypes(const Info& info);
void DefineCommonConstants();
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index b8e3b8527..cc6b98f7e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -225,6 +225,16 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
ctx.AddExtension("SPV_EXT_demote_to_helper_invocation");
ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT);
}
+ if (info.stores_viewport_index) {
+ ctx.AddCapability(spv::Capability::MultiViewport);
+ if (profile.support_viewport_index_layer_non_geometry &&
+ ctx.stage == Shader::Stage::VertexB) {
+ ctx.AddExtension("SPV_EXT_shader_viewport_index_layer");
+ ctx.AddCapability(spv::Capability::ShaderViewportIndexLayerEXT);
+ } else {
+ ctx.ignore_viewport_layer = true;
+ }
+ }
if (!profile.support_vertex_instance_id && (info.loads_instance_id || info.loads_vertex_id)) {
ctx.AddExtension("SPV_KHR_shader_draw_parameters");
ctx.AddCapability(spv::Capability::DrawParameters);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index 2eaeb29de..e42407f1f 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -29,7 +29,7 @@ std::optional<AttrInfo> AttrTypes(EmitContext& ctx, u32 index) {
throw InvalidArgument("Invalid attribute type {}", type);
}
-Id OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
+std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const u32 element{static_cast<u32>(attr) % 4};
const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }};
if (IR::IsGeneric(attr)) {
@@ -57,6 +57,8 @@ Id OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const Id clip_num{ctx.Constant(ctx.U32[1], index)};
return ctx.OpAccessChain(ctx.output_f32, ctx.clip_distances, clip_num);
}
+ case IR::Attribute::ViewportIndex:
+ return ctx.ignore_viewport_layer ? std::nullopt : std::optional<Id>{ctx.viewport_index};
default:
throw NotImplementedException("Read attribute {}", attr);
}
@@ -204,7 +206,11 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) {
}
void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value) {
- ctx.OpStore(OutputAttrPointer(ctx, attr), value);
+ auto output = OutputAttrPointer(ctx, attr);
+ if (!output) {
+ return;
+ }
+ ctx.OpStore(*output, value);
}
void EmitGetAttributeIndexed(EmitContext&) {
diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
index 50ffc4c19..514de6838 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -81,6 +81,9 @@ void SetAttribute(Info& info, IR::Attribute attribute) {
case IR::Attribute::ClipDistance7:
info.stores_clip_distance = true;
break;
+ case IR::Attribute::ViewportIndex:
+ info.stores_viewport_index = true;
+ break;
default:
throw NotImplementedException("Set attribute {}", attribute);
}
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index f4b94896c..e13cb948a 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -35,6 +35,7 @@ struct Profile {
bool support_fp64_signed_zero_nan_preserve{};
bool support_explicit_workgroup_layout{};
bool support_vote{};
+ bool support_viewport_index_layer_non_geometry{};
bool warp_size_potentially_larger_than_guest{};
// FClamp is broken and OpFMax + OpFMin should be used instead
diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index a62ad1e79..a5bff40bb 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -82,6 +82,7 @@ struct Info {
bool stores_position{};
bool stores_point_size{};
bool stores_clip_distance{};
+ bool stores_viewport_index{};
bool uses_fp16{};
bool uses_fp64{};
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
index 79cd204c7..1f308eec2 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
@@ -631,6 +631,7 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::GPU& gpu_,
float_control.shaderSignedZeroInfNanPreserveFloat64 != VK_FALSE,
.support_explicit_workgroup_layout = device.IsKhrWorkgroupMemoryExplicitLayoutSupported(),
.support_vote = true,
+ .support_viewport_index_layer_non_geometry = device.IsExtShaderViewportIndexLayerSupported(),
.warp_size_potentially_larger_than_guest = device.IsWarpSizePotentiallyBiggerThanGuest(),
.has_broken_spirv_clamp = driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS_KHR,
.generic_input_types{},