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-rw-r--r--src/video_core/engines/shader_bytecode.h2
-rw-r--r--src/video_core/renderer_opengl/gl_device.cpp2
-rw-r--r--src/video_core/renderer_opengl/gl_device.h5
-rw-r--r--src/video_core/renderer_opengl/gl_shader_cache.cpp7
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp105
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.h1
-rw-r--r--src/video_core/renderer_opengl/gl_shader_disk_cache.cpp10
-rw-r--r--src/video_core/renderer_vulkan/vk_shader_decompiler.cpp14
-rw-r--r--src/video_core/shader/shader_ir.cpp16
-rw-r--r--src/video_core/shader/shader_ir.h15
10 files changed, 137 insertions, 40 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 4aaad2979..79d469b88 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -78,7 +78,7 @@ union Attribute {
constexpr explicit Attribute(u64 value) : value(value) {}
enum class Index : u64 {
- PointSize = 6,
+ LayerViewportPointSize = 6,
Position = 7,
Attribute_0 = 8,
Attribute_31 = 39,
diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp
index 6238ddaaa..85424a4c9 100644
--- a/src/video_core/renderer_opengl/gl_device.cpp
+++ b/src/video_core/renderer_opengl/gl_device.cpp
@@ -27,6 +27,7 @@ Device::Device() {
shader_storage_alignment = GetInteger<std::size_t>(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT);
max_vertex_attributes = GetInteger<u32>(GL_MAX_VERTEX_ATTRIBS);
max_varyings = GetInteger<u32>(GL_MAX_VARYING_VECTORS);
+ has_vertex_viewport_layer = GLAD_GL_ARB_shader_viewport_layer_array;
has_variable_aoffi = TestVariableAoffi();
has_component_indexing_bug = TestComponentIndexingBug();
}
@@ -35,6 +36,7 @@ Device::Device(std::nullptr_t) {
uniform_buffer_alignment = 0;
max_vertex_attributes = 16;
max_varyings = 15;
+ has_vertex_viewport_layer = true;
has_variable_aoffi = true;
has_component_indexing_bug = false;
}
diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h
index 939edb440..dc883722d 100644
--- a/src/video_core/renderer_opengl/gl_device.h
+++ b/src/video_core/renderer_opengl/gl_device.h
@@ -30,6 +30,10 @@ public:
return max_varyings;
}
+ bool HasVertexViewportLayer() const {
+ return has_vertex_viewport_layer;
+ }
+
bool HasVariableAoffi() const {
return has_variable_aoffi;
}
@@ -46,6 +50,7 @@ private:
std::size_t shader_storage_alignment{};
u32 max_vertex_attributes{};
u32 max_varyings{};
+ bool has_vertex_viewport_layer{};
bool has_variable_aoffi{};
bool has_component_indexing_bug{};
};
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 5d76ee12d..32dd9eae7 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -190,8 +190,11 @@ CachedProgram SpecializeShader(const std::string& code, const GLShader::ShaderEn
const auto texture_buffer_usage{variant.texture_buffer_usage};
std::string source = "#version 430 core\n"
- "#extension GL_ARB_separate_shader_objects : enable\n\n";
- source += fmt::format("#define EMULATION_UBO_BINDING {}\n", base_bindings.cbuf++);
+ "#extension GL_ARB_separate_shader_objects : enable\n";
+ if (entries.shader_viewport_layer_array) {
+ source += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
+ }
+ source += fmt::format("\n#define EMULATION_UBO_BINDING {}\n", base_bindings.cbuf++);
for (const auto& cbuf : entries.const_buffers) {
source +=
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 47cc2011f..119073776 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -14,6 +14,7 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_types.h"
+#include "common/logging/log.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
@@ -246,6 +247,8 @@ public:
usage.is_read, usage.is_written);
}
entries.clip_distances = ir.GetClipDistances();
+ entries.shader_viewport_layer_array =
+ stage == ShaderStage::Vertex && (ir.UsesLayer() || ir.UsesViewportIndex());
entries.shader_length = ir.GetLength();
return entries;
}
@@ -282,22 +285,35 @@ private:
}
void DeclareVertexRedeclarations() {
- bool clip_distances_declared = false;
-
code.AddLine("out gl_PerVertex {{");
++code.scope;
code.AddLine("vec4 gl_Position;");
- for (const auto o : ir.GetOutputAttributes()) {
- if (o == Attribute::Index::PointSize)
- code.AddLine("float gl_PointSize;");
- if (!clip_distances_declared && (o == Attribute::Index::ClipDistances0123 ||
- o == Attribute::Index::ClipDistances4567)) {
+ for (const auto attribute : ir.GetOutputAttributes()) {
+ if (attribute == Attribute::Index::ClipDistances0123 ||
+ attribute == Attribute::Index::ClipDistances4567) {
code.AddLine("float gl_ClipDistance[];");
- clip_distances_declared = true;
+ break;
}
}
+ if (stage != ShaderStage::Vertex || device.HasVertexViewportLayer()) {
+ if (ir.UsesLayer()) {
+ code.AddLine("int gl_Layer;");
+ }
+ if (ir.UsesViewportIndex()) {
+ code.AddLine("int gl_ViewportIndex;");
+ }
+ } else if ((ir.UsesLayer() || ir.UsesViewportIndex()) && stage == ShaderStage::Vertex &&
+ !device.HasVertexViewportLayer()) {
+ LOG_ERROR(
+ Render_OpenGL,
+ "GL_ARB_shader_viewport_layer_array is not available and its required by a shader");
+ }
+
+ if (ir.UsesPointSize()) {
+ code.AddLine("float gl_PointSize;");
+ }
--code.scope;
code.AddLine("}};");
@@ -805,6 +821,45 @@ private:
return CastOperand(VisitOperand(operation, operand_index), type);
}
+ std::optional<std::pair<std::string, bool>> GetOutputAttribute(const AbufNode* abuf) {
+ switch (const auto attribute = abuf->GetIndex()) {
+ case Attribute::Index::Position:
+ return std::make_pair("gl_Position"s + GetSwizzle(abuf->GetElement()), false);
+ case Attribute::Index::LayerViewportPointSize:
+ switch (abuf->GetElement()) {
+ case 0:
+ UNIMPLEMENTED();
+ return {};
+ case 1:
+ if (stage == ShaderStage::Vertex && !device.HasVertexViewportLayer()) {
+ return {};
+ }
+ return std::make_pair("gl_Layer", true);
+ case 2:
+ if (stage == ShaderStage::Vertex && !device.HasVertexViewportLayer()) {
+ return {};
+ }
+ return std::make_pair("gl_ViewportIndex", true);
+ case 3:
+ UNIMPLEMENTED_MSG("Requires some state changes for gl_PointSize to work in shader");
+ return std::make_pair("gl_PointSize", false);
+ }
+ return {};
+ case Attribute::Index::ClipDistances0123:
+ return std::make_pair(fmt::format("gl_ClipDistance[{}]", abuf->GetElement()), false);
+ case Attribute::Index::ClipDistances4567:
+ return std::make_pair(fmt::format("gl_ClipDistance[{}]", abuf->GetElement() + 4),
+ false);
+ default:
+ if (IsGenericAttribute(attribute)) {
+ return std::make_pair(
+ GetOutputAttribute(attribute) + GetSwizzle(abuf->GetElement()), false);
+ }
+ UNIMPLEMENTED_MSG("Unhandled output attribute: {}", static_cast<u32>(attribute));
+ return {};
+ }
+ }
+
std::string CastOperand(const std::string& value, Type type) const {
switch (type) {
case Type::Bool:
@@ -1001,6 +1056,8 @@ private:
const Node& src = operation[1];
std::string target;
+ bool is_integer = false;
+
if (const auto gpr = std::get_if<GprNode>(&*dest)) {
if (gpr->GetIndex() == Register::ZeroIndex) {
// Writing to Register::ZeroIndex is a no op
@@ -1009,26 +1066,12 @@ private:
target = GetRegister(gpr->GetIndex());
} else if (const auto abuf = std::get_if<AbufNode>(&*dest)) {
UNIMPLEMENTED_IF(abuf->IsPhysicalBuffer());
-
- target = [&]() -> std::string {
- switch (const auto attribute = abuf->GetIndex(); abuf->GetIndex()) {
- case Attribute::Index::Position:
- return "gl_Position"s + GetSwizzle(abuf->GetElement());
- case Attribute::Index::PointSize:
- return "gl_PointSize";
- case Attribute::Index::ClipDistances0123:
- return fmt::format("gl_ClipDistance[{}]", abuf->GetElement());
- case Attribute::Index::ClipDistances4567:
- return fmt::format("gl_ClipDistance[{}]", abuf->GetElement() + 4);
- default:
- if (IsGenericAttribute(attribute)) {
- return GetOutputAttribute(attribute) + GetSwizzle(abuf->GetElement());
- }
- UNIMPLEMENTED_MSG("Unhandled output attribute: {}",
- static_cast<u32>(attribute));
- return "0";
- }
- }();
+ const auto result = GetOutputAttribute(abuf);
+ if (!result) {
+ return {};
+ }
+ target = result->first;
+ is_integer = result->second;
} else if (const auto lmem = std::get_if<LmemNode>(&*dest)) {
target = fmt::format("{}[ftou({}) / 4]", GetLocalMemory(), Visit(lmem->GetAddress()));
} else if (const auto gmem = std::get_if<GmemNode>(&*dest)) {
@@ -1040,7 +1083,11 @@ private:
UNREACHABLE_MSG("Assign called without a proper target");
}
- code.AddLine("{} = {};", target, Visit(src));
+ if (is_integer) {
+ code.AddLine("{} = ftoi({});", target, Visit(src));
+ } else {
+ code.AddLine("{} = {};", target, Visit(src));
+ }
return {};
}
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.h b/src/video_core/renderer_opengl/gl_shader_decompiler.h
index 14d11c7fc..02586736d 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.h
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.h
@@ -78,6 +78,7 @@ struct ShaderEntries {
std::vector<ImageEntry> images;
std::vector<GlobalMemoryEntry> global_memory_entries;
std::array<bool, Maxwell::NumClipDistances> clip_distances{};
+ bool shader_viewport_layer_array{};
std::size_t shader_length{};
};
diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
index 10688397b..7893d1e26 100644
--- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
@@ -373,6 +373,12 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
}
}
+ bool shader_viewport_layer_array{};
+ if (!LoadObjectFromPrecompiled(shader_viewport_layer_array)) {
+ return {};
+ }
+ entry.entries.shader_viewport_layer_array = shader_viewport_layer_array;
+
u64 shader_length{};
if (!LoadObjectFromPrecompiled(shader_length)) {
return {};
@@ -445,6 +451,10 @@ bool ShaderDiskCacheOpenGL::SaveDecompiledFile(u64 unique_identifier, const std:
}
}
+ if (!SaveObjectToPrecompiled(entries.shader_viewport_layer_array)) {
+ return false;
+ }
+
if (!SaveObjectToPrecompiled(static_cast<u64>(entries.shader_length))) {
return false;
}
diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
index 1bb04607b..9b2d8e987 100644
--- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
+++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
@@ -430,20 +430,17 @@ private:
instance_index = DeclareBuiltIn(spv::BuiltIn::InstanceIndex, spv::StorageClass::Input,
t_in_uint, "instance_index");
- bool is_point_size_declared = false;
bool is_clip_distances_declared = false;
for (const auto index : ir.GetOutputAttributes()) {
- if (index == Attribute::Index::PointSize) {
- is_point_size_declared = true;
- } else if (index == Attribute::Index::ClipDistances0123 ||
- index == Attribute::Index::ClipDistances4567) {
+ if (index == Attribute::Index::ClipDistances0123 ||
+ index == Attribute::Index::ClipDistances4567) {
is_clip_distances_declared = true;
}
}
std::vector<Id> members;
members.push_back(t_float4);
- if (is_point_size_declared) {
+ if (ir.UsesPointSize()) {
members.push_back(t_float);
}
if (is_clip_distances_declared) {
@@ -466,7 +463,7 @@ private:
position_index = MemberDecorateBuiltIn(spv::BuiltIn::Position, "position", true);
point_size_index =
- MemberDecorateBuiltIn(spv::BuiltIn::PointSize, "point_size", is_point_size_declared);
+ MemberDecorateBuiltIn(spv::BuiltIn::PointSize, "point_size", ir.UsesPointSize());
clip_distances_index = MemberDecorateBuiltIn(spv::BuiltIn::ClipDistance, "clip_distances",
is_clip_distances_declared);
@@ -712,7 +709,8 @@ private:
case Attribute::Index::Position:
return AccessElement(t_out_float, per_vertex, position_index,
abuf->GetElement());
- case Attribute::Index::PointSize:
+ case Attribute::Index::LayerViewportPointSize:
+ UNIMPLEMENTED_IF(abuf->GetElement() != 3);
return AccessElement(t_out_float, per_vertex, point_size_index);
case Attribute::Index::ClipDistances0123:
return AccessElement(t_out_float, per_vertex, clip_distances_index,
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 5994bfc4e..caa409788 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -89,6 +89,22 @@ Node ShaderIR::GetPhysicalInputAttribute(Tegra::Shader::Register physical_addres
}
Node ShaderIR::GetOutputAttribute(Attribute::Index index, u64 element, Node buffer) {
+ if (index == Attribute::Index::LayerViewportPointSize) {
+ switch (element) {
+ case 0:
+ UNIMPLEMENTED();
+ break;
+ case 1:
+ uses_layer = true;
+ break;
+ case 2:
+ uses_viewport_index = true;
+ break;
+ case 3:
+ uses_point_size = true;
+ break;
+ }
+ }
if (index == Attribute::Index::ClipDistances0123 ||
index == Attribute::Index::ClipDistances4567) {
const auto clip_index =
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 6145f0a70..03c888def 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -115,6 +115,18 @@ public:
return static_cast<std::size_t>(coverage_end * sizeof(u64));
}
+ bool UsesLayer() const {
+ return uses_layer;
+ }
+
+ bool UsesViewportIndex() const {
+ return uses_viewport_index;
+ }
+
+ bool UsesPointSize() const {
+ return uses_point_size;
+ }
+
bool HasPhysicalAttributes() const {
return uses_physical_attributes;
}
@@ -346,6 +358,9 @@ private:
std::set<Image> used_images;
std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
std::map<GlobalMemoryBase, GlobalMemoryUsage> used_global_memory;
+ bool uses_layer{};
+ bool uses_viewport_index{};
+ bool uses_point_size{};
bool uses_physical_attributes{}; // Shader uses AL2P or physical attribute read/writes
Tegra::Shader::Header header;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:58:07 +0100