diff options
Diffstat (limited to 'src/video_core/textures')
-rw-r--r-- | src/video_core/textures/decoders.cpp | 16 | ||||
-rw-r--r-- | src/video_core/textures/decoders.h | 6 | ||||
-rw-r--r-- | src/video_core/textures/texture.h | 17 |
3 files changed, 37 insertions, 2 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 3d5476e5d..0d2456b56 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -4,6 +4,7 @@ #include <cmath> #include <cstring> +#include "common/alignment.h" #include "common/assert.h" #include "core/memory.h" #include "video_core/gpu.h" @@ -199,4 +200,19 @@ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat return rgba_data; } +std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth, + u32 block_height, u32 block_depth) { + if (tiled) { + const u32 gobs_in_x = 64 / bytes_per_pixel; + const u32 gobs_in_y = 8; + const u32 gobs_in_z = 1; + const u32 aligned_width = Common::AlignUp(width, gobs_in_x); + const u32 aligned_height = Common::AlignUp(height, gobs_in_y * block_height); + const u32 aligned_depth = Common::AlignUp(depth, gobs_in_z * block_depth); + return aligned_width * aligned_height * aligned_depth * bytes_per_pixel; + } else { + return width * height * depth * bytes_per_pixel; + } +} + } // namespace Tegra::Texture diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h index 1f7b731be..234d250af 100644 --- a/src/video_core/textures/decoders.h +++ b/src/video_core/textures/decoders.h @@ -32,4 +32,10 @@ void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width, u32 height); +/** + * This function calculates the correct size of a texture depending if it's tiled or not. + */ +std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth, + u32 block_height, u32 block_depth); + } // namespace Tegra::Texture diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h index 8f31d825a..58d17abcb 100644 --- a/src/video_core/textures/texture.h +++ b/src/video_core/textures/texture.h @@ -161,7 +161,9 @@ struct TICEntry { BitField<21, 3, TICHeaderVersion> header_version; }; union { + BitField<0, 3, u32> block_width; BitField<3, 3, u32> block_height; + BitField<6, 3, u32> block_depth; // High 16 bits of the pitch value BitField<0, 16, u32> pitch_high; @@ -202,13 +204,24 @@ struct TICEntry { return depth_minus_1 + 1; } + u32 BlockWidth() const { + ASSERT(IsTiled()); + // The block height is stored in log2 format. + return 1 << block_width; + } + u32 BlockHeight() const { - ASSERT(header_version == TICHeaderVersion::BlockLinear || - header_version == TICHeaderVersion::BlockLinearColorKey); + ASSERT(IsTiled()); // The block height is stored in log2 format. return 1 << block_height; } + u32 BlockDepth() const { + ASSERT(IsTiled()); + // The block height is stored in log2 format. + return 1 << block_depth; + } + bool IsTiled() const { return header_version == TICHeaderVersion::BlockLinear || header_version == TICHeaderVersion::BlockLinearColorKey; |