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tests/shader_runner_metal: Implement multi-sample readback.

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This commit is contained in:
Henri Verbeet
2025-05-22 10:07:04 +02:00
parent 1cdfed919a
commit a8defb4e21
Notes: Henri Verbeet 2025-06-05 16:18:57 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1537
1 changed files with 38 additions and 3 deletions
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41
tests/shader_runner_metal.m
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@@ -775,16 +775,19 @@ static struct resource_readback *metal_runner_get_resource_readback(struct shade
struct resource *res, unsigned int sub_resource_idx)
{
struct metal_resource *resource = metal_resource(res);
MTLRenderPassColorAttachmentDescriptor *attachment;
struct metal_runner *runner = metal_runner(r);
id<MTLRenderCommandEncoder> resolve;
id<MTLCommandBuffer> command_buffer;
struct metal_resource_readback *rb;
MTLRenderPassDescriptor *pass_desc;
MTLTextureDescriptor *texture_desc;
id<MTLBlitCommandEncoder> blit;
id<MTLTexture> src_texture;
unsigned int layer, level;
if (resource->r.desc.dimension != RESOURCE_DIMENSION_2D)
fatal_error("Unhandled resource dimension %#x.\n", resource->r.desc.dimension);
if (resource->r.desc.sample_count > 1)
fatal_error("Unhandled sample count %u.\n", resource->r.desc.sample_count);
rb = malloc(sizeof(*rb));
rb->rb.width = resource->r.desc.width;
@@ -801,8 +804,40 @@ static struct resource_readback *metal_runner_get_resource_readback(struct shade
{
command_buffer = [runner->queue commandBuffer];
src_texture = resource->texture;
if (resource->r.desc.sample_count > 1)
{
pass_desc = [MTLRenderPassDescriptor renderPassDescriptor];
attachment = pass_desc.colorAttachments[0];
if (resource->r.desc.type != RESOURCE_TYPE_RENDER_TARGET)
fatal_error("Unhandled multi-sample resolve of resource with type %#x.\n", resource->r.desc.type);
texture_desc = [[MTLTextureDescriptor new] autorelease];
texture_desc.textureType = MTLTextureType2D;
texture_desc.pixelFormat = get_metal_pixel_format(resource->r.desc.format);
texture_desc.width = resource->r.desc.width;
texture_desc.height = resource->r.desc.height;
texture_desc.arrayLength = resource->r.desc.depth;
texture_desc.mipmapLevelCount = resource->r.desc.level_count;
texture_desc.sampleCount = 1;
texture_desc.storageMode = MTLStorageModePrivate;
texture_desc.usage = MTLTextureUsageRenderTarget;
src_texture = [[runner->device newTextureWithDescriptor:texture_desc] autorelease];
ok(src_texture, "Failed to create resolve texture.\n");
attachment.texture = resource->texture;
attachment.resolveTexture = src_texture;
attachment.loadAction = MTLLoadActionLoad;
attachment.storeAction = MTLStoreActionStoreAndMultisampleResolve;
resolve = [command_buffer renderCommandEncoderWithDescriptor:pass_desc];
[resolve endEncoding];
}
blit = [command_buffer blitCommandEncoder];
[blit copyFromTexture:resource->texture
[blit copyFromTexture:src_texture
sourceSlice:layer
sourceLevel:level
sourceOrigin:MTLOriginMake(0, 0, 0)