From cc7aa3a49a0485f50d061eebc74c91d057e511cf Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 18 Mar 2022 22:54:27 -0700
Subject: [PATCH] gpu: remove needless Limits conversion

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/NativeInstance.zig | 35 +----------------------------------
 1 file changed, 1 insertion(+), 34 deletions(-)

diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index 9facd1fe..41852af8 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -266,7 +266,7 @@ const adapter_vtable = Adapter.VTable{
 
             const required_limits = if (descriptor.required_limits) |l| c.WGPURequiredLimits{
                 .nextInChain = null,
-                .limits = convertLimits(l),
+                .limits = @bitCast(c.WGPULimits, l),
             } else null;
 
             const desc = c.WGPUDeviceDescriptor{
@@ -845,38 +845,6 @@ inline fn convertRenderPipelineDescriptor(
     };
 }
 
-// TODO: maybe make Limits an extern struct that can be cast?
-fn convertLimits(l: Limits) c.WGPULimits {
-    return .{
-        .maxTextureDimension1D = l.max_texture_dimension_1d,
-        .maxTextureDimension2D = l.max_texture_dimension_2d,
-        .maxTextureDimension3D = l.max_texture_dimension_3d,
-        .maxTextureArrayLayers = l.max_texture_array_layers,
-        .maxBindGroups = l.max_bind_groups,
-        .maxDynamicUniformBuffersPerPipelineLayout = l.max_dynamic_uniform_buffers_per_pipeline_layout,
-        .maxDynamicStorageBuffersPerPipelineLayout = l.max_dynamic_storage_buffers_per_pipeline_layout,
-        .maxSampledTexturesPerShaderStage = l.max_sampled_textures_per_shader_stage,
-        .maxSamplersPerShaderStage = l.max_samplers_per_shader_stage,
-        .maxStorageBuffersPerShaderStage = l.max_storage_buffers_per_shader_stage,
-        .maxStorageTexturesPerShaderStage = l.max_storage_textures_per_shader_stage,
-        .maxUniformBuffersPerShaderStage = l.max_uniform_buffers_per_shader_stage,
-        .maxUniformBufferBindingSize = l.max_uniform_buffer_binding_size,
-        .maxStorageBufferBindingSize = l.max_storage_buffer_binding_size,
-        .minUniformBufferOffsetAlignment = l.min_uniform_buffer_offset_alignment,
-        .minStorageBufferOffsetAlignment = l.min_storage_buffer_offset_alignment,
-        .maxVertexBuffers = l.max_vertex_buffers,
-        .maxVertexAttributes = l.max_vertex_attributes,
-        .maxVertexBufferArrayStride = l.max_vertex_buffer_array_stride,
-        .maxInterStageShaderComponents = l.max_inter_stage_shader_components,
-        .maxComputeWorkgroupStorageSize = l.max_compute_workgroup_storage_size,
-        .maxComputeInvocationsPerWorkgroup = l.max_compute_invocations_per_workgroup,
-        .maxComputeWorkgroupSizeX = l.max_compute_workgroup_size_x,
-        .maxComputeWorkgroupSizeY = l.max_compute_workgroup_size_y,
-        .maxComputeWorkgroupSizeZ = l.max_compute_workgroup_size_z,
-        .maxComputeWorkgroupsPerDimension = l.max_compute_workgroups_per_dimension,
-    };
-}
-
 fn wrapQueue(queue: c.WGPUQueue) Queue {
     return .{
         .ptr = queue.?,
@@ -2212,7 +2180,6 @@ test {
     _ = adapter_vtable;
     _ = wrapDevice;
     _ = device_vtable;
-    _ = convertLimits;
     _ = wrapQueue;
     _ = wrapShaderModule;
     _ = wrapSwapChain;