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In vosf full screen update use chunk size based on pixel size

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(cherry picked from commit 108071e1a1ed9f43229fc81ca882fbb6c2de7eec)
This commit is contained in:
rakslice 2020-11-12 22:51:46 -08:00
parent 0a79f5d1b1
commit c044312b3c
1 changed files with 25 additions and 2 deletions
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27
BasiliskII/src/CrossPlatform/video_vosf.h
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@ -540,6 +540,27 @@ static void update_display_window_vosf(VIDEO_DRV_WIN_INIT)
#ifndef TEST_VOSF_PERFORMANCE
#if REAL_ADDRESSING || DIRECT_ADDRESSING
static uint32 get_chunk_size_for_depth(const uint32 mode, const uint32 n_pixels) {
assert(n_pixels % 8 == 0);
switch(mode) {
case APPLE_1_BIT:
return n_pixels / 8;
case APPLE_2_BIT:
return n_pixels / 4;
case APPLE_4_BIT:
return n_pixels / 2;
case APPLE_8_BIT:
return n_pixels;
case APPLE_16_BIT:
return n_pixels * 2;
case APPLE_32_BIT:
return n_pixels * 4;
default:
assert(false);
}
}
static void update_display_dga_vosf(VIDEO_DRV_DGA_INIT)
{
VIDEO_MODE_INIT;
@ -574,8 +595,10 @@ static void update_display_dga_vosf(VIDEO_DRV_DGA_INIT)
const uint32 n_pixels = 64;
const uint32 n_chunks = VIDEO_MODE_X / n_pixels;
const uint32 n_pixels_left = VIDEO_MODE_X - (n_chunks * n_pixels);
const uint32 src_chunk_size = src_bytes_per_row / n_chunks;
const uint32 dst_chunk_size = dst_bytes_per_row / n_chunks;
const uint32 src_chunk_size = get_chunk_size_for_depth(VIDEO_MODE_DEPTH, n_pixels);
const uint32 dst_chunk_size = get_chunk_size_for_depth(DepthModeForPixelDepth(VIDEO_DRV_DEPTH), n_pixels);
assert(src_chunk_size <= src_bytes_per_row);
assert(dst_chunk_size <= dst_bytes_per_row);
const uint32 src_chunk_size_left = src_bytes_per_row - (n_chunks * src_chunk_size);
const uint32 dst_chunk_size_left = dst_bytes_per_row - (n_chunks * dst_chunk_size);