diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/texture_cache/surface_params.cpp | 38 | ||||
| -rw-r--r-- | src/video_core/texture_cache/surface_params.h | 14 | ||||
| -rw-r--r-- | src/video_core/texture_cache/texture_cache.h | 88 | ||||
| -rw-r--r-- | src/video_core/textures/decoders.h | 4 |
4 files changed, 143 insertions, 1 deletions
diff --git a/src/video_core/texture_cache/surface_params.cpp b/src/video_core/texture_cache/surface_params.cpp index a4f1edd9a..38b3a4ba8 100644 --- a/src/video_core/texture_cache/surface_params.cpp +++ b/src/video_core/texture_cache/surface_params.cpp @@ -392,4 +392,42 @@ std::string SurfaceParams::TargetName() const { } } +u32 SurfaceParams::GetBlockSize() const { + const u32 x = 64U << block_width; + const u32 y = 8U << block_height; + const u32 z = 1U << block_depth; + return x * y * z; +} + +std::pair<u32, u32> SurfaceParams::GetBlockXY() const { + const u32 x_pixels = 64U / GetBytesPerPixel(); + const u32 x = x_pixels << block_width; + const u32 y = 8U << block_height; + return {x, y}; +} + +std::tuple<u32, u32, u32> SurfaceParams::GetBlockOffsetXYZ(u32 offset) const { + const auto div_ceil = [](const u32 x, const u32 y) { return ((x + y - 1) / y); }; + const u32 block_size = GetBlockSize(); + const u32 block_index = offset / block_size; + const u32 gob_offset = offset % block_size; + const u32 gob_index = gob_offset / static_cast<u32>(Tegra::Texture::GetGOBSize()); + const u32 x_gob_pixels = 64U / GetBytesPerPixel(); + const u32 x_block_pixels = x_gob_pixels << block_width; + const u32 y_block_pixels = 8U << block_height; + const u32 z_block_pixels = 1U << block_depth; + const u32 x_blocks = div_ceil(width, x_block_pixels); + const u32 y_blocks = div_ceil(height, y_block_pixels); + const u32 z_blocks = div_ceil(depth, z_block_pixels); + const u32 base_x = block_index % x_blocks; + const u32 base_y = (block_index / x_blocks) % y_blocks; + const u32 base_z = (block_index / (x_blocks * y_blocks)) % z_blocks; + u32 x = base_x * x_block_pixels; + u32 y = base_y * y_block_pixels; + u32 z = base_z * z_block_pixels; + z += gob_index >> block_height; + y += (gob_index * 8U) % y_block_pixels; + return {x, y, z}; +} + } // namespace VideoCommon diff --git a/src/video_core/texture_cache/surface_params.h b/src/video_core/texture_cache/surface_params.h index 129817ad3..1c6be25da 100644 --- a/src/video_core/texture_cache/surface_params.h +++ b/src/video_core/texture_cache/surface_params.h @@ -4,6 +4,8 @@ #pragma once +#include <utility> + #include "common/alignment.h" #include "common/bit_util.h" #include "common/cityhash.h" @@ -136,6 +138,15 @@ public: std::size_t GetConvertedMipmapSize(u32 level) const; + // Get this texture Tegra Block size in guest memory layout + u32 GetBlockSize() const; + + // Get X, Y sizes of a block + std::pair<u32, u32> GetBlockXY() const; + + // Get the offset in x, y, z coordinates from a memory offset + std::tuple<u32, u32, u32> GetBlockOffsetXYZ(u32 offset) const; + /// Returns the size of a layer in bytes in guest memory. std::size_t GetGuestLayerSize() const { return GetLayerSize(false, false); @@ -269,7 +280,8 @@ private: /// Returns the size of all mipmap levels and aligns as needed. std::size_t GetInnerMemorySize(bool as_host_size, bool layer_only, bool uncompressed) const { - return GetLayerSize(as_host_size, uncompressed) * (layer_only ? 1U : depth); + return GetLayerSize(as_host_size, uncompressed) * + (layer_only ? 1U : (is_layered ? depth : 1U)); } /// Returns the size of a layer diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h index 02d2e9136..5416eee3b 100644 --- a/src/video_core/texture_cache/texture_cache.h +++ b/src/video_core/texture_cache/texture_cache.h @@ -616,6 +616,85 @@ private: } /** + * Takes care of managing 3D textures and its slices. Does some HLE methods when possible. + * Fallsback to LLE when it isn't possible. + * + * @param overlaps The overlapping surfaces registered in the cache. + * @param params The parameters on the new surface. + * @param gpu_addr The starting address of the new surface. + * @param cache_addr The starting address of the new surface on physical memory. + * @param preserve_contents Indicates that the new surface should be loaded from memory or + * left blank. + */ + std::optional<std::pair<TSurface, TView>> Manage3DSurfaces(std::vector<TSurface>& overlaps, + const SurfaceParams& params, + const GPUVAddr gpu_addr, + const CacheAddr cache_addr, + bool preserve_contents) { + if (params.target == SurfaceTarget::Texture3D) { + bool failed = false; + if (params.num_levels > 1) { + // We can't handle mipmaps in 3D textures yet, better fallback to LLE approach + return std::nullopt; + } + TSurface new_surface = GetUncachedSurface(gpu_addr, params); + bool modified = false; + for (auto& surface : overlaps) { + const SurfaceParams& src_params = surface->GetSurfaceParams(); + if (src_params.target != SurfaceTarget::Texture2D) { + failed = true; + break; + } + if (src_params.height != params.height) { + failed = true; + break; + } + if (src_params.block_depth != params.block_depth || + src_params.block_height != params.block_height) { + failed = true; + break; + } + const u32 offset = static_cast<u32>(surface->GetCacheAddr() - cache_addr); + const auto [x, y, z] = params.GetBlockOffsetXYZ(offset); + modified |= surface->IsModified(); + const CopyParams copy_params(0, 0, 0, 0, 0, z, 0, 0, params.width, params.height, + 1); + ImageCopy(surface, new_surface, copy_params); + } + if (failed) { + return std::nullopt; + } + for (const auto& surface : overlaps) { + Unregister(surface); + } + new_surface->MarkAsModified(modified, Tick()); + Register(new_surface); + return {{new_surface, new_surface->GetMainView()}}; + } else { + for (const auto& surface : overlaps) { + if (!surface->MatchTarget(params.target)) { + if (overlaps.size() == 1 && surface->GetCacheAddr() == cache_addr) { + if (Settings::values.use_accurate_gpu_emulation) { + return std::nullopt; + } + Unregister(surface); + return InitializeSurface(gpu_addr, params, preserve_contents); + } + return std::nullopt; + } + if (surface->GetCacheAddr() != cache_addr) { + continue; + } + const auto struct_result = surface->MatchesStructure(params); + if (struct_result == MatchStructureResult::FullMatch) { + return {{surface, surface->GetMainView()}}; + } + } + return InitializeSurface(gpu_addr, params, preserve_contents); + } + } + + /** * Gets the starting address and parameters of a candidate surface and tries * to find a matching surface within the cache. This is done in 3 big steps: * @@ -687,6 +766,15 @@ private: } } + // Look if it's a 3D texture + if (params.block_depth > 0) { + std::optional<std::pair<TSurface, TView>> surface = + Manage3DSurfaces(overlaps, params, gpu_addr, cache_addr, preserve_contents); + if (surface) { + return *surface; + } + } + // Split cases between 1 overlap or many. if (overlaps.size() == 1) { TSurface current_surface = overlaps[0]; diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h index f1e3952bc..e5eac3f3b 100644 --- a/src/video_core/textures/decoders.h +++ b/src/video_core/textures/decoders.h @@ -12,6 +12,10 @@ namespace Tegra::Texture { // GOBSize constant. Calculated by 64 bytes in x multiplied by 8 y coords, represents // an small rect of (64/bytes_per_pixel)X8. +inline std::size_t GetGOBSize() { + return 512; +} + inline std::size_t GetGOBSizeShift() { return 9; } |