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Improve buffer loading again 

Makes it 3/5 the initial speed
This commit is contained in:
Lorenzooone 2019-09-18 22:56:27 +02:00
parent b4f6f78981
commit c8e592ad66
1 changed files with 25 additions and 17 deletions
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42
src/c/vwf.c
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@ -1703,24 +1703,32 @@ void load_pixels_overworld_buffer()
int addedValue = (i >> 5) << 6;
int tile_buffer = (i & 0x1F) + addedValue + *tile_offset;
int foregroundRow = 0xFFFFFFFF;
buffer[(tile_buffer * 8) + 0] = reduce_bit_depth(vram[(tile * 8) + 0], foregroundRow);
buffer[(tile_buffer * 8) + 1] = reduce_bit_depth(vram[(tile * 8) + 1], foregroundRow);
buffer[(tile_buffer * 8) + 2] = reduce_bit_depth(vram[(tile * 8) + 2], foregroundRow);
buffer[(tile_buffer * 8) + 3] = reduce_bit_depth(vram[(tile * 8) + 3], foregroundRow);
buffer[(tile_buffer * 8) + 4] = reduce_bit_depth(vram[(tile * 8) + 4], foregroundRow);
buffer[(tile_buffer * 8) + 5] = reduce_bit_depth(vram[(tile * 8) + 5], foregroundRow);
buffer[(tile_buffer * 8) + 6] = reduce_bit_depth(vram[(tile * 8) + 6], foregroundRow);
buffer[(tile_buffer * 8) + 7] = reduce_bit_depth(vram[(tile * 8) + 7], foregroundRow);
tile_buffer += 0x20;
//Reduce total amount of stores from 16 to 4
int* bufferValues = (int*)(&buffer[(tile_buffer * 8)]);
unsigned int first_half;
unsigned int second_half;
first_half = reduce_bit_depth(vram[(tile * 8) + 0], foregroundRow);
first_half |= reduce_bit_depth(vram[(tile * 8) + 1], foregroundRow) << 8;
first_half |= reduce_bit_depth(vram[(tile * 8) + 2], foregroundRow) << 0x10;
first_half |= reduce_bit_depth(vram[(tile * 8) + 3], foregroundRow) << 0x18;
second_half = reduce_bit_depth(vram[(tile * 8) + 4], foregroundRow);
second_half |= reduce_bit_depth(vram[(tile * 8) + 5], foregroundRow) << 8;
second_half |= reduce_bit_depth(vram[(tile * 8) + 6], foregroundRow) << 0x10;
second_half |= reduce_bit_depth(vram[(tile * 8) + 7], foregroundRow) << 0x18;
bufferValues[0] = first_half;
bufferValues[1] = second_half;
bufferValues += 0x40;
tile += 0x20;
buffer[(tile_buffer * 8) + 0] = reduce_bit_depth(vram[(tile * 8) + 0], foregroundRow);
buffer[(tile_buffer * 8) + 1] = reduce_bit_depth(vram[(tile * 8) + 1], foregroundRow);
buffer[(tile_buffer * 8) + 2] = reduce_bit_depth(vram[(tile * 8) + 2], foregroundRow);
buffer[(tile_buffer * 8) + 3] = reduce_bit_depth(vram[(tile * 8) + 3], foregroundRow);
buffer[(tile_buffer * 8) + 4] = reduce_bit_depth(vram[(tile * 8) + 4], foregroundRow);
buffer[(tile_buffer * 8) + 5] = reduce_bit_depth(vram[(tile * 8) + 5], foregroundRow);
buffer[(tile_buffer * 8) + 6] = reduce_bit_depth(vram[(tile * 8) + 6], foregroundRow);
buffer[(tile_buffer * 8) + 7] = reduce_bit_depth(vram[(tile * 8) + 7], foregroundRow);
first_half = reduce_bit_depth(vram[(tile * 8) + 0], foregroundRow);
first_half |= reduce_bit_depth(vram[(tile * 8) + 1], foregroundRow) << 8;
first_half |= reduce_bit_depth(vram[(tile * 8) + 2], foregroundRow) << 0x10;
first_half |= reduce_bit_depth(vram[(tile * 8) + 3], foregroundRow) << 0x18;
second_half = reduce_bit_depth(vram[(tile * 8) + 4], foregroundRow);
second_half |= reduce_bit_depth(vram[(tile * 8) + 5], foregroundRow) << 8;
second_half |= reduce_bit_depth(vram[(tile * 8) + 6], foregroundRow) << 0x10;
second_half |= reduce_bit_depth(vram[(tile * 8) + 7], foregroundRow) << 0x18;
bufferValues[0] = first_half;
bufferValues[1] = second_half;
}
}