image_info: Add Neo mode macro tile extents. (shadps4-emu#2045)

Author: squidbus

src/video_core/texture_cache/image_info.cpp

@@ -6,6 +6,7 @@
 #include "core/libraries/kernel/process.h"
 #include "video_core/renderer_vulkan/liverpool_to_vk.h"
 #include "video_core/texture_cache/image_info.h"
+#include "video_core/texture_cache/tile.h"
 
 namespace VideoCore {
 
@@ -46,195 +47,6 @@ static vk::ImageType ConvertImageType(AmdGpu::ImageType type) noexcept {
     }
 }
 
-// clang-format off
-// The table of macro tiles parameters for given tiling index (row) and bpp (column)
-static constexpr std::array macro_tile_extents_x1{
-    std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, // 00
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 01
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 02
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 03
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   // 04
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 05
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 06
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   // 07
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 08
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 09
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   // 0A
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   // 0B
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  // 0C
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 0D
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   // 0E
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   // 0F
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   // 10
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   // 11
-    std::pair{256u, 256u}, std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   // 12
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 13
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 14
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 15
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 16
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 17
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 18
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 19
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 1A
-};
-
-static constexpr std::array macro_tile_extents_x2{
-    std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, // 00
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 01
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 02
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 03
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 04
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 05
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 06
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 07
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 08
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 09
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0A
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0B
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0C
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 0D
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0E
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0F
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 10
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 11
-    std::pair{256u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 12
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 13
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 14
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 15
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 16
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 17
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 18
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 19
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 1A
-};
-
-static constexpr std::array macro_tile_extents_x4{
-    std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, // 00
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 01
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 02
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 03
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 04
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 05
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 06
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 07
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 08
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 09
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0A
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0B
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0C
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 0D
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0E
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0F
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 10
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 11
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 12
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 13
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 14
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 15
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 16
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 17
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 18
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 19
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 1A
-};
-
-static constexpr std::array macro_tile_extents_x8{
-    std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, std::pair{256u, 128u}, // 00
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 01
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 02
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  // 03
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 04
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 05
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 128u}, // 06
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 07
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 08
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 09
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0A
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0B
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0C
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 0D
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0E
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 0F
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 10
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 11
-    std::pair{128u, 128u}, std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   // 12
-    std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     std::pair{0u, 0u},     // 13
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 14
-    std::pair{128u, 64u},  std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 15
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 16
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 17
-    std::pair{128u, 128u}, std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 18
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 19
-    std::pair{128u, 64u},  std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   std::pair{64u, 64u},   // 1A
-};
-
-static constexpr std::array macro_tile_extents{
-    macro_tile_extents_x1,
-    macro_tile_extents_x2,
-    macro_tile_extents_x4,
-    macro_tile_extents_x8,
-};
-// clang-format on
-
-static constexpr std::pair micro_tile_extent{8u, 8u};
-static constexpr auto hw_pipe_interleave = 256u;
-
-static constexpr std::pair<u32, u32> GetMacroTileExtents(u32 tiling_idx, u32 bpp, u32 num_samples) {
-    ASSERT(num_samples <= 8);
-    const auto row = tiling_idx * 5;
-    const auto column = std::bit_width(bpp) - 4; // bpps are 8, 16, 32, 64, 128
-    return (macro_tile_extents[std::log2(num_samples)])[row + column];
-}
-
-static constexpr std::pair<u32, size_t> ImageSizeLinearAligned(u32 pitch, u32 height, u32 bpp,
-                                                               u32 num_samples) {
-    const auto pitch_align = std::max(8u, 64u / ((bpp + 7) / 8));
-    auto pitch_aligned = (pitch + pitch_align - 1) & ~(pitch_align - 1);
-    const auto height_aligned = height;
-    size_t log_sz = pitch_aligned * height_aligned * num_samples;
-    const auto slice_align = std::max(64u, 256u / ((bpp + 7) / 8));
-    while (log_sz % slice_align) {
-        pitch_aligned += pitch_align;
-        log_sz = pitch_aligned * height_aligned * num_samples;
-    }
-    return {pitch_aligned, (log_sz * bpp + 7) / 8};
-}
-
-static constexpr std::pair<u32, size_t> ImageSizeMicroTiled(u32 pitch, u32 height, u32 bpp,
-                                                            u32 num_samples) {
-    const auto& [pitch_align, height_align] = micro_tile_extent;
-    auto pitch_aligned = (pitch + pitch_align - 1) & ~(pitch_align - 1);
-    const auto height_aligned = (height + height_align - 1) & ~(height_align - 1);
-    size_t log_sz = (pitch_aligned * height_aligned * bpp * num_samples + 7) / 8;
-    while (log_sz % 256) {
-        pitch_aligned += 8;
-        log_sz = (pitch_aligned * height_aligned * bpp * num_samples + 7) / 8;
-    }
-    return {pitch_aligned, log_sz};
-}
-
-static constexpr std::pair<u32, size_t> ImageSizeMacroTiled(u32 pitch, u32 height, u32 bpp,
-                                                            u32 num_samples, u32 tiling_idx,
-                                                            u32 mip_n) {
-    const auto& [pitch_align, height_align] = GetMacroTileExtents(tiling_idx, bpp, num_samples);
-    ASSERT(pitch_align != 0 && height_align != 0);
-    bool downgrade_to_micro = false;
-    if (mip_n > 0) {
-        const bool is_less_than_tile = pitch < pitch_align || height < height_align;
-        // TODO: threshold check
-        downgrade_to_micro = is_less_than_tile;
-    }
-
-    if (downgrade_to_micro) {
-        return ImageSizeMicroTiled(pitch, height, bpp, num_samples);
-    }
-
-    const auto pitch_aligned = (pitch + pitch_align - 1) & ~(pitch_align - 1);
-    const auto height_aligned = (height + height_align - 1) & ~(height_align - 1);
-    const auto log_sz = pitch_aligned * height_aligned * num_samples;
-    return {pitch_aligned, (log_sz * bpp + 7) / 8};
-}
-
 ImageInfo::ImageInfo(const Libraries::VideoOut::BufferAttributeGroup& group,
                      VAddr cpu_address) noexcept {
     const auto& attrib = group.attrib;
@@ -283,6 +95,7 @@ ImageInfo::ImageInfo(const AmdGpu::Liverpool::ColorBuffer& buffer,
     guest_size = color_slice_sz * buffer.NumSlices();
     mips_layout.emplace_back(color_slice_sz, pitch, 0);
     tiling_idx = static_cast<u32>(buffer.attrib.tile_mode_index.Value());
+    alt_tile = Libraries::Kernel::sceKernelIsNeoMode() && buffer.info.alt_tile_mode;
 }
 
 ImageInfo::ImageInfo(const AmdGpu::Liverpool::DepthBuffer& buffer, u32 num_slices,
@@ -334,6 +147,7 @@ ImageInfo::ImageInfo(const AmdGpu::Image& image, const Shader::ImageResource& de
 
     mips_layout.reserve(resources.levels);
     tiling_idx = image.tiling_index;
+    alt_tile = Libraries::Kernel::sceKernelIsNeoMode() && image.alt_tile_mode;
     UpdateSize();
 }
 
@@ -385,7 +199,7 @@ void ImageInfo::UpdateSize() {
         case AmdGpu::TilingMode::Depth_MacroTiled: {
             ASSERT(!props.is_block);
             std::tie(mip_info.pitch, mip_info.size) =
-                ImageSizeMacroTiled(mip_w, mip_h, bpp, num_samples, tiling_idx, mip);
+                ImageSizeMacroTiled(mip_w, mip_h, bpp, num_samples, tiling_idx, mip, alt_tile);
             break;
         }
         default: {

src/video_core/texture_cache/image_info.h

@@ -86,6 +86,7 @@ struct ImageInfo {
     VAddr guest_address{0};
     u32 guest_size{0};
     u32 tiling_idx{0}; // TODO: merge with existing!
+    bool alt_tile{false};
 
     VAddr stencil_addr{0};
     u32 stencil_size{0};