141 lines
5.1 KiB
Plaintext
141 lines
5.1 KiB
Plaintext
Render_Pass_Handle :: #type, distinct u32;
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Pass_Buffer_Info :: struct {
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shader_type: Shader_Type;
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slot: u32;
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buffer: Buffer_Handle;
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}
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Render_Graph :: struct {
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temp_sampler: Sampler_Handle;
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render_passes: PArray(Render_Pass, Render_Pass_Handle);
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}
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new_render_graph :: () -> *Render_Graph {
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graph := New(Render_Graph);
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return graph;
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}
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execute_render_graph :: (graph: *Render_Graph) {
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for graph.render_passes {
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execute_render_pass(it);
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}
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}
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push_material_pass_properties :: (render_pass: Render_Pass, mat_pass: Material_Pass_Old) {
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for mat_pass.properties {
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if it.parameter.type == {
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case .BUFFER;
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push_cmd_set_constant_buffer(renderer, it.parameter.slot, it.buffer, it.parameter.shader);
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case .SAMPLER;
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push_cmd_set_sampler(renderer, it.parameter.slot, it.sampler);
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case .TEXTURE;
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{
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is_texture_input := false;
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input_index := 0;
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if it.parameter.mapping == {
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case .SHADER_ATTACHMENT0;
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is_texture_input = true;
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input_index = 0;
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case .SHADER_ATTACHMENT1;
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is_texture_input = true;
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input_index = 1;
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case .SHADER_ATTACHMENT2;
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is_texture_input = true;
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input_index = 2;
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case .SHADER_ATTACHMENT3;
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is_texture_input = true;
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input_index = 3;
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}
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if is_texture_input {
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input := render_pass.inputs[input_index];
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owning_pass := parray_get(*engine.renderer.render_graph.render_passes, engine.input.pass_handle);
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if engine.input.rt_index == DEPTH_STENCIL_SLOT {
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push_cmd_set_texture(renderer, it.parameter.slot, owning_pass.depth_stencil);
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} else {
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push_cmd_set_texture(renderer, it.parameter.slot, owning_pass.render_targets[engine.input.rt_index]);
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}
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} else {
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if it.texture > 0 {
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push_cmd_set_texture(renderer, it.parameter.slot, it.texture);
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}
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}
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}
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}
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}
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}
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setup_pass_inputs :: (render_pass: Render_Pass) {
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for input: render_pass.inputs {
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owning_pass := parray_get(*engine.renderer.render_graph.render_passes, input.pass_handle);
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if input.rt_index == DEPTH_STENCIL_SLOT {
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push_cmd_set_texture(engine.renderer, xx it_index, owning_pass.depth_stencil);
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} else {
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push_cmd_set_texture(engine.renderer, xx it_index, owning_pass.render_targets[input.rt_index]);
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}
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}
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}
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set_render_pass_clear_color :: (rp: Render_Pass_Handle, input_index: s32, color: Color) {
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pass := parray_get(*engine.renderer.render_graph.render_passes, rp);
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pass.clear_colors[input_index] = color;
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}
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execute_render_pass :: (render_pass: Render_Pass) { // @Incomplete: Add command buffer as parameter
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if render_pass.render_targets.count == 0 {
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if render_pass.has_depth_stencil {
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push_cmd_set_render_targets(engine.renderer, depth_stencil_enabled=render_pass.has_depth_stencil, depth_stencil_buffer=render_pass.depth_stencil);
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push_cmd_clear_depth_stencil(engine.renderer, render_pass.depth_stencil, 1.0);
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width := ifx render_pass.width == SWAPCHAIN_SIZE then engine.renderer.render_target_width else render_pass.width;
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height := ifx render_pass.height == SWAPCHAIN_SIZE then engine.renderer.render_target_height else render_pass.height;
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push_cmd_set_viewport(engine.renderer, width, height);
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} else {
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assert(render_pass.uses_backbuffer);
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push_cmd_set_backbuffer(engine.renderer);
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color: Vector4;
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color.x = 0.0;
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color.y = 0.0;
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color.z = 0.0;
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color.w = 1.0;
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push_cmd_clear_backbuffer(engine.renderer, color);
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push_cmd_set_viewport(engine.renderer, xx engine.renderer.render_target_width, xx engine.renderer.render_target_height);
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}
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} else {
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width := render_pass.width;
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height := render_pass.height;
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if render_pass.width == SWAPCHAIN_SIZE {
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width = engine.renderer.render_target_width;
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}
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if render_pass.height == SWAPCHAIN_SIZE {
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height = engine.renderer.render_target_height;
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}
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push_cmd_set_render_targets(engine.renderer, ..render_pass.render_targets, render_pass.has_depth_stencil, render_pass.depth_stencil);
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push_cmd_set_viewport(engine.renderer, width, height);
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for render_pass.render_targets {
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push_cmd_clear_render_target(engine.renderer, it, render_pass.clear_colors[it_index]);
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}
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if render_pass.has_depth_stencil {
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push_cmd_clear_depth_stencil(engine.renderer, render_pass.depth_stencil, 1.0);
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}
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}
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// @NOCHECKIN Setup inputs!
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setup_pass_inputs(render_pass);
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render_pass.callback(render_pass);
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}
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#load "render_pass.jai";
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