[TEST] Another miscellaneous change 2

src/shader_recompiler/environment.h

@@ -78,6 +78,11 @@ public:
 
     [[nodiscard]] virtual TextureType ReadTextureType(u32 raw_handle) = 0;
 
+    [[nodiscard]] virtual u32 ResolveBindlessHandle(u32 cbuf_index, u32 cbuf_offset,
+                                                    u32 raw_handle) {
+        return raw_handle;
+    }
+
     [[nodiscard]] virtual TexturePixelFormat ReadTexturePixelFormat(u32 raw_handle) = 0;
 
     [[nodiscard]] virtual bool IsTexturePixelFormatInteger(u32 raw_handle) = 0;

src/shader_recompiler/ir_opt/texture_pass.cpp

@@ -502,7 +502,7 @@ u32 GetTextureHandle(Environment& env, const ConstBufferAddr& cbuf) {
     const u32 lhs_raw{env.ReadCbufValue(cbuf.index, cbuf.offset) << cbuf.shift_left};
     const u32 rhs_raw{env.ReadCbufValue(secondary_index, secondary_offset)
                       << cbuf.secondary_shift_left};
-    return lhs_raw | rhs_raw;
+    return env.ResolveBindlessHandle(cbuf.index, cbuf.offset, lhs_raw | rhs_raw);
 }
 
 [[maybe_unused]] TextureType ReadTextureType(Environment& env, const ConstBufferAddr& cbuf) {

src/video_core/buffer_cache/buffer_cache.h

@@ -1430,8 +1430,9 @@ void BufferCache<P>::UpdateComputeUniformBuffers() {
         Binding& binding = channel_state->compute_uniform_buffers[index];
         binding = NULL_BINDING;
         const auto& launch_desc = kepler_compute->launch_description;
-        if (((launch_desc.const_buffer_enable_mask >> index) & 1) != 0) {
-            const auto& cbuf = launch_desc.const_buffer_config[index];
+        const u32 resolved_index = launch_desc.ResolveConstBufferIndex(index);
+        if (((launch_desc.const_buffer_enable_mask >> resolved_index) & 1) != 0) {
+            const auto& cbuf = launch_desc.const_buffer_config[resolved_index];
             const std::optional<DAddr> device_addr = gpu_memory->GpuToCpuAddress(cbuf.Address());
             if (device_addr) {
                 binding.device_addr = *device_addr;

src/video_core/engines/kepler_compute.h

@@ -171,6 +171,22 @@ public:
         };
         std::array<ConstBufferConfig, NumConstBuffers> const_buffer_config;
 
+        static constexpr u32 NvnShaderSlotBias = 2;
+
+        u32 ResolveConstBufferIndex(u32 shader_index) const {
+            const u32 mask = const_buffer_enable_mask.Value();
+            if (((mask >> shader_index) & 1) != 0) {
+                return shader_index;
+            }
+            if (shader_index >= NvnShaderSlotBias) {
+                const u32 biased = shader_index - NvnShaderSlotBias;
+                if (((mask >> biased) & 1) != 0) {
+                    return biased;
+                }
+            }
+            return shader_index;
+        }
+
         union {
             BitField<0, 20, u32> local_pos_alloc;
             BitField<27, 5, u32> barrier_alloc;

src/video_core/renderer_opengl/gl_compute_pipeline.cpp

@@ -10,6 +10,7 @@
 #include "common/cityhash.h"
 #include "common/settings.h"
 #include "video_core/renderer_opengl/gl_compute_pipeline.h"
+#include "video_core/shader_environment.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/gl_shader_util.h"
 
@@ -104,25 +105,36 @@ void ComputePipeline::Configure() {
     const auto& qmd{kepler_compute->launch_description};
     const auto& cbufs{qmd.const_buffer_config};
     const bool via_header_index{qmd.linked_tsc != 0};
+    const u32 tic_limit{kepler_compute->regs.tic.limit};
     const auto read_handle{[&](const auto& desc, u32 index) {
-        ASSERT(((qmd.const_buffer_enable_mask >> desc.cbuf_index) & 1) != 0);
+        const u32 resolved_index{qmd.ResolveConstBufferIndex(desc.cbuf_index)};
+        ASSERT(((qmd.const_buffer_enable_mask >> resolved_index) & 1) != 0);
         const u32 index_offset{index << desc.size_shift};
         const u32 offset{desc.cbuf_offset + index_offset};
-        const GPUVAddr addr{cbufs[desc.cbuf_index].Address() + offset};
+        const GPUVAddr addr{cbufs[resolved_index].Address() + offset};
         if constexpr (std::is_same_v<decltype(desc), const Shader::TextureDescriptor&> ||
                       std::is_same_v<decltype(desc), const Shader::TextureBufferDescriptor&>) {
             if (desc.has_secondary) {
-                ASSERT(((qmd.const_buffer_enable_mask >> desc.secondary_cbuf_index) & 1) != 0);
+                const u32 resolved_secondary{
+                    qmd.ResolveConstBufferIndex(desc.secondary_cbuf_index)};
+                ASSERT(((qmd.const_buffer_enable_mask >> resolved_secondary) & 1) != 0);
                 const u32 secondary_offset{desc.secondary_cbuf_offset + index_offset};
-                const GPUVAddr separate_addr{cbufs[desc.secondary_cbuf_index].Address() +
+                const GPUVAddr separate_addr{cbufs[resolved_secondary].Address() +
                                              secondary_offset};
                 const u32 lhs_raw{gpu_memory->Read<u32>(addr) << desc.shift_left};
                 const u32 rhs_raw{gpu_memory->Read<u32>(separate_addr)
                                   << desc.secondary_shift_left};
-                return TexturePair(lhs_raw | rhs_raw, via_header_index);
+                const u32 combined{VideoCommon::ResolveBindlessHandleTable(
+                    *gpu_memory, addr, lhs_raw | rhs_raw,
+                    TexturePair(lhs_raw | rhs_raw, via_header_index).first, tic_limit)};
+                return TexturePair(combined, via_header_index);
             }
         }
-        return TexturePair(gpu_memory->Read<u32>(addr), via_header_index);
+        const u32 single_raw{gpu_memory->Read<u32>(addr)};
+        return TexturePair(VideoCommon::ResolveBindlessHandleTable(
+                               *gpu_memory, addr, single_raw,
+                               TexturePair(single_raw, via_header_index).first, tic_limit),
+                           via_header_index);
     }};
     const auto add_image{[&](const auto& desc, bool blacklist) {
         for (u32 index = 0; index < desc.count; ++index) {

src/video_core/renderer_vulkan/vk_compute_pipeline.cpp

@@ -14,6 +14,7 @@
 #include "video_core/renderer_vulkan/pipeline_statistics.h"
 #include "video_core/renderer_vulkan/vk_buffer_cache.h"
 #include "video_core/renderer_vulkan/vk_compute_pipeline.h"
+#include "video_core/shader_environment.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
 #include "video_core/renderer_vulkan/vk_pipeline_cache.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
@@ -148,24 +149,35 @@ void ComputePipeline::Configure(Tegra::Engines::KeplerCompute& kepler_compute,
     const auto& qmd{kepler_compute.launch_description};
     const auto& cbufs{qmd.const_buffer_config};
     const bool via_header_index{qmd.linked_tsc != 0};
+    const u32 tic_limit{kepler_compute.regs.tic.limit};
     const auto read_handle{[&](const auto& desc, u32 index) {
-        ASSERT(((qmd.const_buffer_enable_mask >> desc.cbuf_index) & 1) != 0);
+        const u32 resolved_index{qmd.ResolveConstBufferIndex(desc.cbuf_index)};
+        ASSERT(((qmd.const_buffer_enable_mask >> resolved_index) & 1) != 0);
         const u32 index_offset{index << desc.size_shift};
         const u32 offset{desc.cbuf_offset + index_offset};
-        const GPUVAddr addr{cbufs[desc.cbuf_index].Address() + offset};
+        const GPUVAddr addr{cbufs[resolved_index].Address() + offset};
         if constexpr (std::is_same_v<decltype(desc), const Shader::TextureDescriptor&> ||
                       std::is_same_v<decltype(desc), const Shader::TextureBufferDescriptor&>) {
             if (desc.has_secondary) {
-                ASSERT(((qmd.const_buffer_enable_mask >> desc.secondary_cbuf_index) & 1) != 0);
+                const u32 resolved_secondary{
+                    qmd.ResolveConstBufferIndex(desc.secondary_cbuf_index)};
+                ASSERT(((qmd.const_buffer_enable_mask >> resolved_secondary) & 1) != 0);
                 const u32 secondary_offset{desc.secondary_cbuf_offset + index_offset};
-                const GPUVAddr separate_addr{cbufs[desc.secondary_cbuf_index].Address() +
+                const GPUVAddr separate_addr{cbufs[resolved_secondary].Address() +
                                              secondary_offset};
                 const u32 lhs_raw{gpu_memory.Read<u32>(addr) << desc.shift_left};
                 const u32 rhs_raw{gpu_memory.Read<u32>(separate_addr) << desc.secondary_shift_left};
-                return TexturePair(lhs_raw | rhs_raw, via_header_index);
+                const u32 combined{VideoCommon::ResolveBindlessHandleTable(
+                    gpu_memory, addr, lhs_raw | rhs_raw,
+                    TexturePair(lhs_raw | rhs_raw, via_header_index).first, tic_limit)};
+                return TexturePair(combined, via_header_index);
             }
         }
-        return TexturePair(gpu_memory.Read<u32>(addr), via_header_index);
+        const u32 single_raw{gpu_memory.Read<u32>(addr)};
+        return TexturePair(VideoCommon::ResolveBindlessHandleTable(
+                               gpu_memory, addr, single_raw,
+                               TexturePair(single_raw, via_header_index).first, tic_limit),
+                           via_header_index);
     }};
     const auto add_image{[&](const auto& desc, bool blacklist) {
         for (u32 index = 0; index < desc.count; ++index) {

src/video_core/shader_environment.cpp

@@ -281,6 +281,34 @@ std::optional<u64> GenericEnvironment::TryFindSize() {
     return std::nullopt;
 }
 
+u32 ResolveBindlessHandleTable(Tegra::MemoryManager& gpu_memory, GPUVAddr record_addr,
+                               u32 raw_handle, u32 tic_index, u32 tic_limit) {
+    static constexpr u32 HandleRecordSize = 16;
+    static constexpr u32 MaxHandleTableBytes = 64 * 1024;
+
+    if (tic_index <= tic_limit) {
+        return raw_handle;
+    }
+    const u32 addr_low{gpu_memory.Read<u32>(record_addr)};
+    const u32 addr_high{gpu_memory.Read<u32>(record_addr + 4)};
+    const u32 table_size{gpu_memory.Read<u32>(record_addr + 8)};
+    const GPUVAddr table_addr{(static_cast<GPUVAddr>(addr_high) << 32) |
+                              static_cast<GPUVAddr>(addr_low)};
+    if (table_addr == 0 || table_size < HandleRecordSize || table_size > MaxHandleTableBytes) {
+        return raw_handle;
+    }
+    const u32 count{table_size / HandleRecordSize};
+    for (u32 i = 0; i < count; ++i) {
+        const GPUVAddr entry_addr{table_addr + static_cast<GPUVAddr>(i) * HandleRecordSize};
+        const u32 handle{gpu_memory.Read<u32>(entry_addr)};
+        const u32 live{gpu_memory.Read<u32>(entry_addr + 4)};
+        if (live != 0 && handle != 0 && handle <= tic_limit) {
+            return handle;
+        }
+    }
+    return raw_handle;
+}
+
 Tegra::Texture::TICEntry GenericEnvironment::ReadTextureInfo(GPUVAddr tic_addr, u32 tic_limit,
                                                              bool via_header_index, u32 raw) {
     const auto handle{Tegra::Texture::TexturePair(raw, via_header_index)};
@@ -421,8 +449,9 @@ ComputeEnvironment::ComputeEnvironment(Tegra::Engines::KeplerCompute& kepler_com
 
 u32 ComputeEnvironment::ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) {
     const auto& qmd{kepler_compute->launch_description};
-    ASSERT(((qmd.const_buffer_enable_mask.Value() >> cbuf_index) & 1) != 0);
-    const auto& cbuf{qmd.const_buffer_config[cbuf_index]};
+    const u32 resolved_index{qmd.ResolveConstBufferIndex(cbuf_index)};
+    ASSERT(((qmd.const_buffer_enable_mask.Value() >> resolved_index) & 1) != 0);
+    const auto& cbuf{qmd.const_buffer_config[resolved_index]};
     u32 value{};
     if (cbuf_offset < cbuf.size) {
         value = gpu_memory->Read<u32>(cbuf.Address() + cbuf_offset);
@@ -431,6 +460,25 @@ u32 ComputeEnvironment::ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) {
     return value;
 }
 
+u32 ComputeEnvironment::ResolveBindlessHandle(u32 cbuf_index, u32 cbuf_offset, u32 raw_handle) {
+    const auto& regs{kepler_compute->regs};
+    const auto& qmd{kepler_compute->launch_description};
+    const auto pair{Tegra::Texture::TexturePair(raw_handle, qmd.linked_tsc != 0)};
+    if (pair.first <= regs.tic.limit) {
+        return raw_handle;
+    }
+    const u32 resolved_index{qmd.ResolveConstBufferIndex(cbuf_index)};
+    if (((qmd.const_buffer_enable_mask.Value() >> resolved_index) & 1) == 0) {
+        return raw_handle;
+    }
+    const auto& cbuf{qmd.const_buffer_config[resolved_index]};
+    if (cbuf_offset + 12 > cbuf.size) {
+        return raw_handle;
+    }
+    return ResolveBindlessHandleTable(*gpu_memory, cbuf.Address() + cbuf_offset, raw_handle,
+                                      pair.first, regs.tic.limit);
+}
+
 Shader::TextureType ComputeEnvironment::ReadTextureType(u32 handle) {
     const auto& regs{kepler_compute->regs};
     const auto& qmd{kepler_compute->launch_description};

src/video_core/shader_environment.h

@@ -29,6 +29,9 @@ class Memorymanager;
 
 namespace VideoCommon {
 
+[[nodiscard]] u32 ResolveBindlessHandleTable(Tegra::MemoryManager& gpu_memory, GPUVAddr record_addr,
+                                             u32 raw_handle, u32 tic_index, u32 tic_limit);
+
 class GenericEnvironment : public Shader::Environment {
 public:
     explicit GenericEnvironment() = default;
@@ -140,6 +143,8 @@ public:
 
     u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override;
 
+    u32 ResolveBindlessHandle(u32 cbuf_index, u32 cbuf_offset, u32 raw_handle) override;
+
     Shader::TextureType ReadTextureType(u32 handle) override;
 
     Shader::TexturePixelFormat ReadTexturePixelFormat(u32 handle) override;