fixing image clear in vkCmdBeginRenderpass

src/software/SoftCommandBuffer.zig

@@ -293,7 +293,7 @@ pub fn beginRenderPass(interface: *Interface, render_pass: *base.RenderPass, fra
                             image,
                             attachment.format,
                             attachment.subresource_range,
-                            null,
+                            impl.render_area,
                         );
                     } else {
                         var subresource_range = attachment.subresource_range;
@@ -306,7 +306,7 @@ pub fn beginRenderPass(interface: *Interface, render_pass: *base.RenderPass, fra
                                 image,
                                 attachment.format,
                                 subresource_range,
-                                null,
+                                impl.render_area,
                             );
                         }
 
@@ -318,7 +318,7 @@ pub fn beginRenderPass(interface: *Interface, render_pass: *base.RenderPass, fra
                                 image,
                                 attachment.format,
                                 subresource_range,
-                                null,
+                                impl.render_area,
                             );
                         }
                     }

src/software/SoftPipeline.zig

@@ -327,7 +327,7 @@ fn readImageFloat4(context: *anyopaque, dim: spv.SpvDim, x: i32, y: i32, z: i32,
             .cube => cube_face,
             else => 0,
         };
-        pixel = image.readFloat4(
+        pixel = SoftSampler.swizzleFloat4(image.readFloat4(
             image_coord,
             .{
                 .aspect_mask = image_view.interface.subresource_range.aspect_mask,
@@ -335,7 +335,7 @@ fn readImageFloat4(context: *anyopaque, dim: spv.SpvDim, x: i32, y: i32, z: i32,
                 .array_layer = array_layer,
             },
             image_view.interface.format,
-        ) catch return SpvRuntimeError.Unknown;
+        ) catch return SpvRuntimeError.Unknown, image_view.interface.components);
     }
     return .{
         .x = pixel[0],
@@ -368,7 +368,7 @@ fn readImageInt4(context: *anyopaque, dim: spv.SpvDim, x: i32, y: i32, z: i32, l
             .cube => cube_face,
             else => 0,
         };
-        pixel = image.readInt4(
+        pixel = SoftSampler.swizzleInt4(image.readInt4(
             image_coord,
             .{
                 .aspect_mask = image_view.interface.subresource_range.aspect_mask,
@@ -376,7 +376,7 @@ fn readImageInt4(context: *anyopaque, dim: spv.SpvDim, x: i32, y: i32, z: i32, l
                 .array_layer = array_layer,
             },
             image_view.interface.format,
-        ) catch return SpvRuntimeError.Unknown;
+        ) catch return SpvRuntimeError.Unknown, image_view.interface.components);
     }
     return .{
         .x = pixel[0],

src/software/SoftSampler.zig

@@ -285,7 +285,7 @@ fn swizzleFloatComponent(color: F32x4, swizzle: vk.ComponentSwizzle, comptime id
     };
 }
 
-fn swizzleFloat4(color: F32x4, components: vk.ComponentMapping) F32x4 {
+pub fn swizzleFloat4(color: F32x4, components: vk.ComponentMapping) F32x4 {
     return .{
         swizzleFloatComponent(color, components.r, 0),
         swizzleFloatComponent(color, components.g, 1),
@@ -307,7 +307,7 @@ fn swizzleIntComponent(color: U32x4, swizzle: vk.ComponentSwizzle, comptime iden
     };
 }
 
-fn swizzleInt4(color: U32x4, components: vk.ComponentMapping) U32x4 {
+pub fn swizzleInt4(color: U32x4, components: vk.ComponentMapping) U32x4 {
     return .{
         swizzleIntComponent(color, components.r, 0),
         swizzleIntComponent(color, components.g, 1),

src/software/device/vertex_dispatcher.zig

@@ -86,7 +86,7 @@ inline fn run(data: RunData) !void {
                 const buffer_memory = if (buffer.interface.memory) |memory| memory else return VkError.InvalidDeviceMemoryDrv;
                 const input_index = switch (binding_info.input_rate) {
                     .vertex => vertex_index,
-                    .instance => data.instance_index,
+                    .instance => data.first_instance + data.instance_index,
                     else => return VkError.ValidationFailed,
                 };
                 const offset = buffer.interface.offset + vertex_buffer.offset + (binding_info.stride * input_index) + attribute.offset;