Extend materials with images in renderer and shaders

Author: voxelias

README.md

@@ -33,10 +33,10 @@ cargo run --release
 We are using GLSL shaders. There is no auto-compilation to SPV right now, so please use `glslc`:
 
 ```
-glslc -fshader-stage=vertex src/models/shaders/only_mesh.vert.glsl -o src/models/shaders/only_mesh.vert.spv
-glslc -fshader-stage=fragment src/models/shaders/only_mesh.frag.glsl -o src/models/shaders/only_mesh.frag.spv
-glslc -fshader-stage=vertex src/models/shaders/skin_mesh.vert.glsl -o src/models/shaders/skin_mesh.vert.spv
-glslc -fshader-stage=fragment src/models/shaders/skin_mesh.frag.glsl -o src/models/shaders/skin_mesh.frag.spv
+glslc -fshader-stage=vertex src/models/shaders/only_mesh.vert -o src/models/shaders/only_mesh.vert.spv
+glslc -fshader-stage=fragment src/models/shaders/only_mesh.frag -o src/models/shaders/only_mesh.frag.spv
+glslc -fshader-stage=vertex src/models/shaders/skin_mesh.vert -o src/models/shaders/skin_mesh.vert.spv
+glslc -fshader-stage=fragment src/models/shaders/skin_mesh.frag -o src/models/shaders/skin_mesh.frag.spv
 ```
 
 ## Sponsors

src/graphics/vulkan.rs

@@ -579,6 +579,27 @@ impl Gpu {
         self.device.vk_device.destroy_buffer(buffer, None);
     }
 
+    /// # Safety
+    ///
+    /// This function requires valid Vulkan entities
+    #[inline(always)]
+    pub unsafe fn create_sampler(
+        &self,
+        sampler_create_info: &vk::SamplerCreateInfo,
+    ) -> Result<vk::Sampler, vk::Result> {
+        self.device
+            .vk_device
+            .create_sampler(sampler_create_info, None)
+    }
+
+    /// # Safety
+    ///
+    /// This function requires valid Vulkan entities
+    #[inline(always)]
+    pub unsafe fn destroy_sampler(&self, sampler: vk::Sampler) {
+        self.device.vk_device.destroy_sampler(sampler, None);
+    }
+
     /// # Safety
     ///
     /// This function requires valid Vulkan entities
@@ -1035,6 +1056,27 @@ impl Gpu {
         )
     }
 
+    /// # Safety
+    ///
+    /// This function requires valid Vulkan entities
+    #[allow(clippy::too_many_arguments)]
+    pub unsafe fn cmd_copy_buffer_to_image(
+        &self,
+        command_buffer: vk::CommandBuffer,
+        src_buffer: vk::Buffer,
+        dst_image: vk::Image,
+        dst_image_layout: vk::ImageLayout,
+        regions: &[vk::BufferImageCopy],
+    ) {
+        self.device.vk_device.cmd_copy_buffer_to_image(
+            command_buffer,
+            src_buffer,
+            dst_image,
+            dst_image_layout,
+            regions,
+        );
+    }
+
     // Utils
     pub fn find_memory_type_index(
         &self,

src/models/materials.rs

@@ -2,6 +2,9 @@ use super::{Color, Image};
 use crate::loaders::Asset;
 use crate::utils::Id;
 
+// NOTE: 1:albedo_map, 2:occlusion_map, 3:metallic_map, 4:normal_map, 5:roughness_map
+pub const MAX_MATERIAL_IMAGES: u32 = 5;
+
 /// Material component
 #[derive(Debug)]
 pub struct Material {
@@ -51,10 +54,10 @@ pub struct MaterialUniform {
     pub color: [f32; 4],
     /// Order: ambient_occlusion, metallic, roughness
     pub options: [f32; 4],
-    /// Indices of PBR maps in the buffer
-    /// Order: ambient_occlusion, metallic, normal, roughness
-    pub maps_1: [u32; 4],
     /// Index of Color map in the buffer + 3 reserved value¨
+    pub maps_1: [u32; 4],
+    /// Indice2 of PBR maps in the buffer
+    /// Order: ambient_occlusion, metallic, normal, roughness
     pub maps_2: [u32; 4],
 }