Provide the camera's view matrix to shaders via the Camera uniform

assets/shaders/hot.vert

@@ -4,6 +4,7 @@ layout(location = 0) in vec3 Vertex_Position;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 layout(set = 1, binding = 0) uniform Transform {

crates/bevy_pbr/src/render_graph/forward_pipeline/forward.frag

@@ -16,6 +16,7 @@ layout(location = 0) out vec4 o_Target;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 layout(set = 1, binding = 0) uniform Lights {

crates/bevy_pbr/src/render_graph/forward_pipeline/forward.vert

@@ -10,6 +10,7 @@ layout(location = 2) out vec2 v_Uv;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 layout(set = 2, binding = 0) uniform Transform {

crates/bevy_render/src/render_graph/nodes/camera_node.rs

@@ -88,7 +88,7 @@ pub fn camera_node_system(
         render_resource_context.map_buffer(staging_buffer);
         staging_buffer
     } else {
-        let size = std::mem::size_of::<[[f32; 4]; 4]>();
+        let size = std::mem::size_of::<[[[f32; 4]; 4]; 2]>();
         let buffer = render_resource_context.create_buffer(BufferInfo {
             size,
             buffer_usage: BufferUsage::COPY_DST | BufferUsage::UNIFORM,
@@ -114,9 +114,12 @@ pub fn camera_node_system(
         staging_buffer
     };
 
-    let matrix_size = std::mem::size_of::<[[f32; 4]; 4]>();
-    let camera_matrix: [f32; 16] =
-        (camera.projection_matrix * global_transform.compute_matrix().inverse()).to_cols_array();
+    let matrix_size = std::mem::size_of::<[[[f32; 4]; 4]; 2]>();
+    let view_matrix = global_transform.compute_matrix().inverse();
+    let camera_matrix: [[f32; 16]; 2] = [
+        (camera.projection_matrix * view_matrix).to_cols_array(),
+        view_matrix.to_cols_array()
+    ];
 
     render_resource_context.write_mapped_buffer(
         staging_buffer,

crates/bevy_render/src/render_graph/nodes/pass_node.rs

@@ -110,7 +110,10 @@ impl<Q: WorldQuery> PassNode<Q> {
                 index: 0,
                 bind_type: BindType::Uniform {
                     dynamic: false,
-                    property: UniformProperty::Struct(vec![UniformProperty::Mat4]),
+                    property: UniformProperty::Struct(vec![
+                        UniformProperty::Mat4, // View Projection
+                        UniformProperty::Mat4, // View
+                    ]),
                 },
                 shader_stage: BindingShaderStage::VERTEX | BindingShaderStage::FRAGMENT,
             }],

crates/bevy_render/src/shader/shader_reflect.rs

@@ -319,6 +319,7 @@ mod tests {
             layout(location = 0) out vec4 v_Position;
             layout(set = 0, binding = 0) uniform Camera {
                 mat4 ViewProj;
+                mat4 View;
             };
             layout(set = 1, binding = 0) uniform texture2D Texture;
 

crates/bevy_sprite/src/render/sprite.vert

@@ -8,6 +8,7 @@ layout(location = 0) out vec2 v_Uv;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 layout(set = 2, binding = 0) uniform Transform {

crates/bevy_sprite/src/render/sprite_sheet.vert

@@ -9,6 +9,7 @@ layout(location = 1) out vec4 v_Color;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 // TODO: merge dimensions into "sprites" buffer when that is supported in the Uniforms derive abstraction

crates/bevy_ui/src/render/ui.vert

@@ -8,6 +8,7 @@ layout(location = 0) out vec2 v_Uv;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 
 layout(set = 1, binding = 0) uniform Transform {

examples/shader/array_texture.rs

@@ -34,6 +34,7 @@ layout(location = 0) out vec4 v_Position;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 layout(set = 1, binding = 0) uniform Transform {
     mat4 Model;

examples/shader/mesh_custom_attribute.rs

@@ -31,6 +31,7 @@ layout(location = 0) out vec3 v_color;
 
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 layout(set = 1, binding = 0) uniform Transform {
     mat4 Model;

examples/shader/shader_custom_material.rs

@@ -30,6 +30,7 @@ const VERTEX_SHADER: &str = r#"
 layout(location = 0) in vec3 Vertex_Position;
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 layout(set = 1, binding = 0) uniform Transform {
     mat4 Model;

examples/shader/shader_defs.rs

@@ -38,6 +38,7 @@ const VERTEX_SHADER: &str = r#"
 layout(location = 0) in vec3 Vertex_Position;
 layout(set = 0, binding = 0) uniform Camera {
     mat4 ViewProj;
+    mat4 View;
 };
 layout(set = 1, binding = 0) uniform Transform {
     mat4 Model;