From 63dbff9b1f2cd6f330c8b4aee8e35d1c61cec87e Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sun, 19 Jul 2015 21:30:42 -0500
Subject: [PATCH] GPU/DisplayTransfer: Implemented bit 5 in the transfer flags.
It tells the GPU to not swizzle/de-swizzle the input during the transfer.
---
src/core/hw/gpu.cpp | 38 ++++++++++++++++++++++++++++----------
src/core/hw/gpu.h | 1 +
2 files changed, 29 insertions(+), 10 deletions(-)
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index a3a7d128fa..2a338e8fc9 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -217,19 +217,37 @@ inline void Write(u32 addr, const T data) {
u32 dst_offset;
if (config.output_tiled) {
- // Interpret the input as linear and the output as tiled
- u32 coarse_y = y & ~7;
- u32 stride = output_width * dst_bytes_per_pixel;
+ if (!config.dont_swizzle) {
+ // Interpret the input as linear and the output as tiled
+ u32 coarse_y = y & ~7;
+ u32 stride = output_width * dst_bytes_per_pixel;
- src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
- dst_offset = VideoCore::GetMortonOffset(x, y, dst_bytes_per_pixel) + coarse_y * stride;
+ src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
+ dst_offset = VideoCore::GetMortonOffset(x, y, dst_bytes_per_pixel) + coarse_y * stride;
+ } else {
+ // Both input and output are linear
+ src_offset = (input_x + input_y * config.input_width) * src_bytes_per_pixel;
+ dst_offset = (x + y * output_width) * dst_bytes_per_pixel;
+ }
} else {
- // Interpret the input as tiled and the output as linear
- u32 coarse_y = input_y & ~7;
- u32 stride = config.input_width * src_bytes_per_pixel;
+ if (!config.dont_swizzle) {
+ // Interpret the input as tiled and the output as linear
+ u32 coarse_y = input_y & ~7;
+ u32 stride = config.input_width * src_bytes_per_pixel;
- src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) + coarse_y * stride;
- dst_offset = (x + y * output_width) * dst_bytes_per_pixel;
+ src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) + coarse_y * stride;
+ dst_offset = (x + y * output_width) * dst_bytes_per_pixel;
+ } else {
+ // Both input and output are tiled
+ u32 out_coarse_y = y & ~7;
+ u32 out_stride = output_width * dst_bytes_per_pixel;
+
+ u32 in_coarse_y = input_y & ~7;
+ u32 in_stride = config.input_width * src_bytes_per_pixel;
+
+ src_offset = VideoCore::GetMortonOffset(input_x, input_y, src_bytes_per_pixel) + in_coarse_y * in_stride;
+ dst_offset = VideoCore::GetMortonOffset(x, y, dst_bytes_per_pixel) + out_coarse_y * out_stride;
+ }
}
const u8* src_pixel = src_pointer + src_offset;
diff --git a/src/core/hw/gpu.h b/src/core/hw/gpu.h
index 5b8c43f8be..daad506feb 100644
--- a/src/core/hw/gpu.h
+++ b/src/core/hw/gpu.h
@@ -203,6 +203,7 @@ struct Regs {
BitField< 0, 1, u32> flip_vertically; // flips input data vertically
BitField< 1, 1, u32> output_tiled; // Converts from linear to tiled format
BitField< 3, 1, u32> raw_copy; // Copies the data without performing any processing
+ BitField< 5, 1, u32> dont_swizzle;
BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format;