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metal: call gpu_cleanup early when memory is full

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This commit is contained in:
luboslenco
2026-01-22 14:00:50 +01:00
parent a04b024ded
commit de2f6568f3
1 changed files with 35 additions and 19 deletions
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base/sources/backends/metal_gpu.m
+35 -19
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@@ -110,6 +110,10 @@ void gpu_render_target_init2(gpu_texture_t *target, int width, int height, gpu_t
descriptor.usage = MTLTextureUsageRenderTarget | MTLTextureUsageShaderRead | MTLTextureUsageShaderWrite;
descriptor.resourceOptions = MTLResourceStorageModePrivate;
target->impl._tex = (__bridge_retained void *)[device newTextureWithDescriptor:descriptor];
if (target->impl._tex == nil) {
gpu_cleanup();
target->impl._tex = (__bridge_retained void *)[device newTextureWithDescriptor:descriptor];
}
}
}
@@ -555,6 +559,10 @@ void gpu_texture_init_from_bytes(gpu_texture_t *texture, void *data, int width,
id<MTLDevice> device = get_metal_device();
id<MTLTexture> tex = [device newTextureWithDescriptor:descriptor];
if (tex == nil) {
gpu_cleanup();
tex = [device newTextureWithDescriptor:descriptor];
}
texture->impl._tex = (__bridge_retained void *)tex;
[tex replaceRegion:MTLRegionMake2D(0, 0, width, height)
mipmapLevel:0
@@ -585,7 +593,11 @@ void gpu_vertex_buffer_init(gpu_buffer_t *buffer, int count, gpu_vertex_structur
MTLResourceOptions options = MTLResourceCPUCacheModeWriteCombined;
options |= MTLResourceStorageModeShared;
id<MTLBuffer> buf = [device newBufferWithLength:count * buffer->stride options:options];
id<MTLBuffer> buf = [device newBufferWithLength:count * buffer->stride options:options];
if (buf == nil) {
gpu_cleanup();
buf = [device newBufferWithLength:count * buffer->stride options:options];
}
buffer->impl.metal_buffer = (__bridge_retained void *)buf;
}
@@ -596,6 +608,28 @@ void *gpu_vertex_buffer_lock(gpu_buffer_t *buf) {
void gpu_vertex_buffer_unlock(gpu_buffer_t *buf) {}
void gpu_index_buffer_init(gpu_buffer_t *buffer, int indexCount) {
buffer->count = indexCount;
id<MTLDevice> device = get_metal_device();
MTLResourceOptions options = MTLResourceCPUCacheModeWriteCombined;
options |= MTLResourceStorageModeShared;
buffer->impl.metal_buffer = (__bridge_retained void *)[device newBufferWithLength:sizeof(uint32_t) * indexCount options:options];
if (buffer->impl.metal_buffer == nil) {
gpu_cleanup();
buffer->impl.metal_buffer = (__bridge_retained void *)[device newBufferWithLength:sizeof(uint32_t) * indexCount options:options];
}
}
void *gpu_index_buffer_lock(gpu_buffer_t *buffer) {
id<MTLBuffer> metal_buffer = (__bridge id<MTLBuffer>)buffer->impl.metal_buffer;
uint8_t *data = (uint8_t *)[metal_buffer contents];
return data;
}
void gpu_index_buffer_unlock(gpu_buffer_t *buffer) {}
void gpu_constant_buffer_init(gpu_buffer_t *buffer, int size) {
buffer->count = size;
buffer->data = NULL;
@@ -610,30 +644,12 @@ void gpu_constant_buffer_lock(gpu_buffer_t *buffer, int start, int count) {
void gpu_constant_buffer_unlock(gpu_buffer_t *buffer) {}
void gpu_index_buffer_init(gpu_buffer_t *buffer, int indexCount) {
buffer->count = indexCount;
id<MTLDevice> device = get_metal_device();
MTLResourceOptions options = MTLResourceCPUCacheModeWriteCombined;
options |= MTLResourceStorageModeShared;
buffer->impl.metal_buffer = (__bridge_retained void *)[device newBufferWithLength:sizeof(uint32_t) * indexCount options:options];
}
void gpu_buffer_destroy_internal(gpu_buffer_t *buffer) {
id<MTLBuffer> buf = (__bridge_transfer id<MTLBuffer>)buffer->impl.metal_buffer;
buf = nil;
buffer->impl.metal_buffer = NULL;
}
void *gpu_index_buffer_lock(gpu_buffer_t *buffer) {
id<MTLBuffer> metal_buffer = (__bridge id<MTLBuffer>)buffer->impl.metal_buffer;
uint8_t *data = (uint8_t *)[metal_buffer contents];
return data;
}
void gpu_index_buffer_unlock(gpu_buffer_t *buffer) {}
char *gpu_device_name() {
id<MTLDevice> device = get_metal_device();
return (char *)[device.name UTF8String];