amdgpu: tiling mode introduced

src/video_core/amdgpu/liverpool.h

@@ -6,6 +6,7 @@
 #include "common/assert.h"
 #include "common/bit_field.h"
 #include "common/types.h"
+#include "resource.h"
 #include "video_core/amdgpu/pixel_format.h"
 
 #include <array>
@@ -622,7 +623,7 @@ struct Liverpool {
             BitField<19, 1, u32> cmask_is_linear;
         } info;
         union {
-            BitField<0, 5, u32> tile_mode_index;
+            BitField<0, 5, TilingMode> tile_mode_index;
             BitField<5, 5, u32> fmask_tile_mode_index;
             BitField<12, 3, u32> num_samples_log2;
             BitField<15, 3, u32> num_fragments_log2;
@@ -661,6 +662,22 @@ struct Liverpool {
             return u64(cmask_base_address) << 8;
         }
 
+        [[nodiscard]] size_t GetSizeAligned() const {
+            const auto num_bytes_per_element = NumBits(info.format) / 8u;
+            const auto slice_size = (slice.tile_max + 1) * 64u;
+            const auto total_size = slice_size * (view.slice_max + 1) * num_bytes_per_element;
+            ASSERT(total_size > 0);
+            return total_size;
+        }
+
+        [[nodiscard]] TilingMode GetTilingMode() const {
+            return attrib.tile_mode_index;
+        }
+
+        [[nodiscard]] bool IsTiled() const {
+            return !info.linear_general;
+        }
+
         NumberFormat NumFormat() const {
             // There is a small difference between T# and CB number types, account for it.
             return info.number_type == AmdGpu::NumberFormat::Uscaled ? AmdGpu::NumberFormat::Srgb

src/video_core/amdgpu/resource.h

@@ -85,6 +85,12 @@ constexpr std::string_view NameOf(ImageType type) {
     }
 }
 
+enum class TilingMode : u32 {
+    Display_Linear = 0x8u,
+    Display_MacroTiled = 0xAu,
+    Texture_MicroTiled = 0xDu,
+};
+
 struct Image {
     union {
         BitField<0, 38, u64> base_address;
@@ -122,7 +128,7 @@ struct Image {
     }
 
     u32 Pitch() const {
-        return pitch;
+        return pitch + 1;
     }
 
     u32 NumLayers() const {
@@ -140,6 +146,19 @@ struct Image {
     NumberFormat GetNumberFmt() const noexcept {
         return static_cast<NumberFormat>(num_format.Value());
     }
+
+    [[nodiscard]] TilingMode GetTilingMode() const {
+        return static_cast<TilingMode>(tiling_index.Value());
+    }
+
+    [[nodiscard]] bool IsTiled() const {
+        return GetTilingMode() != TilingMode::Display_Linear;
+    }
+
+    [[nodiscard]] size_t GetSizeAligned() const {
+        // TODO: Derive this properly from tiling params
+        return (width + 1) * (height + 1) * NumComponents(GetDataFmt());
+    }
 };
 
 // 8.2.7. Image Sampler [RDNA 2 Instruction Set Architecture]