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Implemented basic lighting!

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This commit is contained in:
Lorenzo Torres 2025-08-05 19:06:58 +02:00
parent 0a001d71bc
commit 5b51a3d571
20 changed files with 8628 additions and 72 deletions
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20
src/renderer/Renderer.zig
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@ -4,6 +4,7 @@ const ecs = @import("ecs");
const std = @import("std");
const vk = @import("vulkan.zig");
pub const Mesh = @import("Mesh.zig");
const Texture = vk.Texture;
pub const Camera = @import("Camera.zig");
const Allocator = std.mem.Allocator;
@ -37,7 +38,7 @@ pub fn init(comptime C: type, comptime S: type, allocator: Allocator, display: C
const swapchain = try vk.Swapchain(2).create(allocator, surface, device, physical_device, render_pass);
const graphics_pipeline = try vk.GraphicsPipeline(2).create(device, swapchain, render_pass, vertex_shader, fragment_shader);
var graphics_pipeline = try vk.GraphicsPipeline(2).create(allocator, device, swapchain, render_pass, vertex_shader, fragment_shader);
// TODO: I think the renderer shouldn't have to interact with buffers. I think the API should change to
// something along the lines of
@ -48,6 +49,15 @@ pub fn init(comptime C: type, comptime S: type, allocator: Allocator, display: C
// renderer.submit()
const triangle = try Mesh.create(allocator, device);
const texture = try Texture.init("assets/textures/container.png", device);
const diffuse = try Texture.init("assets/textures/container_specular.png", device);
_ = try graphics_pipeline.addTexture(device, texture, diffuse);
graphics_pipeline.light_pos[0] = 0.0;
graphics_pipeline.light_pos[1] = 2.0;
graphics_pipeline.light_pos[2] = 0.0;
return Renderer{
.instance = instance,
.surface = surface,
@ -83,6 +93,12 @@ pub fn render(pool: *ecs.Pool) anyerror!void {
const view_memory = renderer.graphics_pipeline.view_memory;
@memcpy(view_memory[0..@sizeOf(math.Matrix)], std.mem.asBytes(&camera.getView()));
const view_pos_memory = renderer.graphics_pipeline.view_pos_memory;
const view_pos: [*]f32 = @alignCast(@ptrCast(view_pos_memory));
view_pos[0] = camera.position[0];
view_pos[1] = camera.position[1];
view_pos[2] = camera.position[2];
try renderer.device.waitFence(renderer.current_frame);
const image = try renderer.swapchain.nextImage(renderer.device, renderer.current_frame);
try renderer.device.resetCommand(renderer.current_frame);
@ -91,7 +107,7 @@ pub fn render(pool: *ecs.Pool) anyerror!void {
renderer.graphics_pipeline.bind(renderer.device, renderer.current_frame);
renderer.device.bindVertexBuffer(renderer.vertex_buffer, renderer.current_frame);
renderer.device.bindIndexBuffer(renderer.index_buffer, renderer.current_frame);
renderer.device.bindDescriptorSets(renderer.graphics_pipeline, renderer.current_frame);
renderer.device.bindDescriptorSets(renderer.graphics_pipeline, renderer.current_frame, 0);
renderer.device.draw(@intCast(renderer.index_buffer.size / @sizeOf(u16)), renderer.current_frame);
renderer.render_pass.end(renderer.device, renderer.current_frame);
try renderer.device.endCommand(renderer.current_frame);