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[mtl canvas] fixed bug were order of mtl_segment_setup arguments tileOpMax and segmentMax were interverted, which would cull tile ops based on max number of segments, causing weird artifacts for some lengths of the segment buffer

This commit is contained in:
Martin Fouilleul 2023-08-29 17:36:30 +02:00
parent d86d0f8074
commit 9164e66cc6
2 changed files with 18 additions and 6 deletions
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4
src/graphics/mtl_renderer.m
View File

@ -1049,6 +1049,8 @@ void oc_mtl_render_batch(oc_mtl_canvas_backend* backend,
[backpropEncoder setBuffer:backend->logBuffer[backend->bufferIndex] offset:0 atIndex:2];
[backpropEncoder setBuffer:backend->logOffsetBuffer[backend->bufferIndex] offset:0 atIndex:3];
[backpropEncoder setBuffer:backend->segmentCountBuffer offset:0 atIndex:4];
MTLSize backpropGroupSize = MTLSizeMake([backend->backpropPipeline maxTotalThreadsPerThreadgroup], 1, 1);
MTLSize backpropGridSize = MTLSizeMake(pathCount * backpropGroupSize.width, 1, 1);
@ -1563,7 +1565,7 @@ oc_canvas_backend* oc_mtl_canvas_backend_create(oc_mtl_surface* surface)
options:bufferOptions];
backend->segmentCountBuffer = [surface->device newBufferWithLength:sizeof(int)
options:bufferOptions];
options:MTLResourceStorageModeShared];
backend->pathQueueBuffer = [surface->device newBufferWithLength:OC_MTL_DEFAULT_PATH_QUEUE_BUFFER_LEN * sizeof(oc_mtl_path_queue)
options:bufferOptions];

20
src/graphics/mtl_renderer.metal
View File

@ -83,7 +83,8 @@ int mtl_itoa_right_aligned(int bufSize, thread char* buffer, int64_t value, bool
buffer[index] = '0' + (value % 10);
index--;
value /= 10;
} while(value != 0 && index >= stop);
}
while(value != 0 && index >= stop);
if(zeroPad)
{
@ -1259,8 +1260,8 @@ kernel void mtl_segment_setup(constant int* elementCount [[buffer(0)]],
device oc_mtl_tile_queue* tileQueueBuffer [[buffer(5)]],
device oc_mtl_tile_op* tileOpBuffer [[buffer(6)]],
device atomic_int* tileOpCount [[buffer(7)]],
constant int* segmentMax [[buffer(8)]],
constant int* tileOpMax [[buffer(9)]],
constant int* tileOpMax [[buffer(8)]],
constant int* segmentMax [[buffer(9)]],
constant int* tileSize [[buffer(10)]],
constant float* scale [[buffer(11)]],
@ -1323,10 +1324,19 @@ kernel void mtl_backprop(const device oc_mtl_path_queue* pathQueueBuffer [[buffe
device oc_mtl_tile_queue* tileQueueBuffer [[buffer(1)]],
device char* logBuffer [[buffer(2)]],
device atomic_int* logOffsetBuffer [[buffer(3)]],
device int* segmentCount [[buffer(4)]],
uint pathIndex [[threadgroup_position_in_grid]],
uint localID [[thread_position_in_threadgroup]])
uint localID [[thread_position_in_threadgroup]],
uint uid [[thread_position_in_grid]])
{
// mtl_log_context log = {.buffer = logBuffer, .offset = logOffsetBuffer, .enabled = false};
mtl_log_context log = { .buffer = logBuffer, .offset = logOffsetBuffer, .enabled = false };
if(uid == 0)
{
mtl_log(log, "segmentCount = ");
mtl_log_i32(log, segmentCount[0]);
mtl_log(log, "\n");
}
threadgroup atomic_int nextRowIndex;
if(localID == 0)