perf improvements

src/main.jai

@@ -258,7 +258,7 @@ frame :: () {
     add_frame_profiling_point("After UI draw");
 
     #if !FLAG_RELEASE_BUILD {
-        prepare_text(debug_font, tprint("frametime: % ms", latest_frametime * 1000));
+        prepare_text(debug_font, tprint("frametime: % ms", delta_time * 1000));
         draw_prepared_text(debug_font, 10, 10, .{0.0, 1.0, 0.0, 1.0});
         draw_editor();
     }
@@ -276,7 +276,6 @@ frame :: () {
     #if OS != .WASM { profiler_update(); }
     reset_temporary_storage();
     frame_end_time := get_time();
-    latest_frametime = frame_end_time - frame_start_time;
     input_per_frame_event_and_flag_update();
 }
 

src/platform_specific/common.jai

@@ -1,13 +1,13 @@
-#import,dir "../../modules/sokol-jai/sokol/app"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/app"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/gfx"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/gfx"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/gl"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/gl"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/glue"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/glue"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/shape"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/shape"(DEBUG = FLAG_RELEASE_BUILD);
 #import,dir "../../modules/sokol-jai/sokol/fontstash";
-#import,dir "../../modules/sokol-jai/sokol/log"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/log"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/time"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/time"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/fetch"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/fetch"(DEBUG = FLAG_RELEASE_BUILD);
-#import,dir "../../modules/sokol-jai/sokol/audio"(DEBUG = !FLAG_RELEASE_BUILD);
+#import,dir "../../modules/sokol-jai/sokol/audio"(DEBUG = FLAG_RELEASE_BUILD);
 
 #load "../main.jai";
 

src/rendering/backend_sokol.jai

@@ -239,7 +239,7 @@ backend_draw_trile_positions_main :: (trile : string, amount : s32, worldConf: *
     fs_params.screen_w = w;
     fs_params.screen_h = h;
     lc := *current_lighting_config;
-    fs_params.rdm_enabled       = lc.rdm_enabled;
+    fs_params.rdm_enabled       = ifx in_reflection_pass then 0 else lc.rdm_enabled;
     fs_params.ambient_intensity = lc.ambient_intensity;
     fs_params.emissive_scale    = lc.emissive_scale;
     fs_params.rdm_diff_scale    = lc.rdm_diff_scale;
@@ -464,7 +464,7 @@ backend_process_command_buckets :: () {
     end_frame_profiling_group("G-Buffer pass");
      
     start_frame_profiling_group("SSAO pass");
-    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_postprocess_attach_a }));
+    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_ssao_attachments }));
     sg_apply_pipeline(gPipelines.ssao.pipeline);
     gPipelines.ssao.bind.images[0] = g_gbuf_position;
     gPipelines.ssao.bind.images[1] = g_gbuf_normal;
@@ -480,19 +480,6 @@ backend_process_command_buckets :: () {
     sg_end_pass();
     end_frame_profiling_group("SSAO pass");   
 
-    start_frame_profiling_group("SSAO blur pass");
-    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_ssao_attachments }));
-    sg_apply_pipeline(gPipelines.op.pipeline);
-    op_uniform : Op_Fs_Params;
-    op_uniform.blur_size = current_post_process.ssao_size;
-    op_uniform.op = 0;
-    gPipelines.op.bind.images[0] = g_postprocess_a;
-    sg_apply_uniforms(UB_op_fs_params, *(sg_range.{ ptr = *op_uniform, size = size_of(type_of(op_uniform)) }));
-    sg_apply_bindings(*gPipelines.op.bind);
-    sg_draw(0, 6, 1);    
-    sg_end_pass();
-    end_frame_profiling_group("SSAO blur pass");
-
     // 5. Main pass
     start_frame_profiling_group("Main pass");
 	sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_rendertex_attachments}));
@@ -506,8 +493,8 @@ backend_process_command_buckets :: () {
     start_frame_profiling_group("Postprocess pass");
     if !bypass_postprocess {
         bloom_process();
-        dof_process();
     }
+    
     end_frame_profiling_group("Postprocess pass");
 
     start_frame_profiling_group("Final pass");
@@ -516,8 +503,9 @@ backend_process_command_buckets :: () {
 
     // Draw the render texture and do post processing:
     sg_apply_pipeline(gPipelines.postprocess.pipeline);
-    gPipelines.postprocess.bind.images[0] = ifx bypass_postprocess then g_rendertex else g_postprocess_a;
+    gPipelines.postprocess.bind.images[0] = g_rendertex;
     gPipelines.postprocess.bind.images[1] = LUT_list[g_current_lut_texture_index].image;
+    gPipelines.postprocess.bind.images[2] = g_bloom_tex;
     sg_apply_bindings(*gPipelines.postprocess.bind);
     post_process_config_uniform : Post_Process_Config;
     if bypass_postprocess {

src/rendering/backend_sokol_helpers.jai

@@ -1,28 +1,12 @@
 bloom_process :: () {
-    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_postprocess_attach_a }));
+    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_bloom_attach }));
-    sg_apply_pipeline(gPipelines.op.pipeline);
+    sg_apply_pipeline(gPipelines.bloom.pipeline);
-    op_uniform_bloom : Op_Fs_Params;
+    params : Bloom_Params;
-    op_uniform_bloom.blur_size = current_post_process.bloom_size;
+    params.bloom_treshold = current_post_process.bloom_treshold;
-    op_uniform_bloom.separation = current_post_process.bloom_separation;
+    gPipelines.bloom.bind.images[IMG_bloom_src] = g_rendertex;
-    op_uniform_bloom.bloom_treshold = current_post_process.bloom_treshold;
+    sg_apply_uniforms(UB_bloom_params, *(sg_range.{ ptr = *params, size = size_of(type_of(params)) }));
-    op_uniform_bloom.bloom_amount = current_post_process.bloom_amount;
+    sg_apply_bindings(*gPipelines.bloom.bind);
-    op_uniform_bloom.op=3;
+    sg_draw(0, 6, 1);
-    gPipelines.op.bind.images[0] = g_rendertex;
-    sg_apply_uniforms(UB_op_fs_params, *(sg_range.{ ptr = *op_uniform_bloom, size = size_of(type_of(op_uniform_bloom)) }));
-    sg_apply_bindings(*gPipelines.op.bind);
-    sg_draw(0, 6, 1);    
-    sg_end_pass();
-
-    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_postprocess_attach_b }));
-    sg_apply_pipeline(gPipelines.mix.pipeline);
-    mix_uniform : Mix_Fs_Params;
-    mix_uniform.op = 1;
-    gPipelines.mix.bind.images[0] = g_postprocess_a;
-    gPipelines.mix.bind.images[1] = g_rendertex;
-    gPipelines.mix.bind.images[2] = g_gbuf_position;
-    sg_apply_uniforms(UB_op_fs_params, *(sg_range.{ ptr = *mix_uniform, size = size_of(type_of(mix_uniform)) }));
-    sg_apply_bindings(*gPipelines.mix.bind);
-    sg_draw(0, 6, 1);    
     sg_end_pass();
 }
 

src/rendering/helpers.jai

@@ -172,7 +172,7 @@ get_low_res :: (width: s32, height: s32, max_dimension: s32 = 720) -> (s32, s32)
 get_render_size :: () -> (s32, s32) {
 	w,h := get_window_size();
 	// w, h = get_low_res(w,h, 480);
-	return w, h;
+	return w * 2, h * 2;
 }
 
 flip_y_if_plat :: inline (v: Vector2) -> Vector2 {

src/rendering/pipelines.jai

@@ -36,6 +36,9 @@ g_postprocess_a_depth   : sg_image;
 g_postprocess_b_depth   : sg_image;
 g_postprocess_attach_a  : sg_attachments;
 g_postprocess_attach_b  : sg_attachments;
+
+g_bloom_tex    : sg_image;
+g_bloom_attach : sg_attachments;
   
 
 gPipelines : struct {
@@ -66,8 +69,10 @@ gPipelines : struct {
     postprocess : Pipeline_Binding;
 
     op : Pipeline_Binding;
-    
+
     mix : Pipeline_Binding;
+
+    bloom : Pipeline_Binding;
     
     billboard : Pipeline_Binding;
     
@@ -154,6 +159,7 @@ create_pipelines :: () {
     create_ssao_pipeline();
     create_op_pipeline();
     create_mix_pipeline();
+    create_bloom_pipeline();
     create_billboard_pipeline();
     create_gbuffer_billboard_pipeline();
     create_particle_pipeline();
@@ -531,14 +537,14 @@ create_plane_pipeline_reflection_images :: () {
 
     w, h := get_render_size();
     img_desc := sg_image_desc.{
-        width = w/2,
+        width = w/3,
-        height = h/2,
+        height = h/3,
-        pixel_format = .RGBA32F,
+        pixel_format = .RGBA8,
         render_target = true,
     };
     depth_desc := sg_image_desc.{
-        width = w/2,
+        width = w/3,
-        height = h/2,
+        height = h/3,
         pixel_format = .DEPTH,
         render_target = true,
     };
@@ -740,6 +746,13 @@ create_postprocess_pipeline :: () {
         mag_filter = .LINEAR,
     }));
 
+    gPipelines.postprocess.bind.samplers[2] = sg_make_sampler(*(sg_sampler_desc.{
+        wrap_u = .CLAMP_TO_EDGE,
+        wrap_v = .CLAMP_TO_EDGE,
+        min_filter = .LINEAR,
+        mag_filter = .LINEAR,
+    }));
+
 }
 
 // Takes in a texture, manipulates it and outputs it.
@@ -979,6 +992,52 @@ create_mix_pipeline :: () {
 
 }
 
+create_bloom_pipeline :: () {
+    platconf := get_plat_conf();
+    pipeline: sg_pipeline_desc;
+    shader_desc := bloom_shader_desc(sg_query_backend());
+    pipeline.shader = sg_make_shader(*shader_desc);
+
+    pipeline.layout.attrs[ATTR_bloom_position] = .{ format = .FLOAT2 };
+    pipeline.layout.attrs[ATTR_bloom_uv]       = .{ format = .FLOAT2 };
+    pipeline.index_type = .UINT16;
+
+    pipeline.color_count = 1;
+    pipeline.colors[0] = .{ pixel_format = .RGBA32F };
+
+    gPipelines.bloom.pipeline = sg_make_pipeline(*pipeline);
+
+    quad_vertices : [16]float = .[
+        -1.0,  1.0, 0.0, flip_if_plat(1.0),
+        -1.0, -1.0, 0.0, flip_if_plat(0.0),
+         1.0, -1.0, 1.0, flip_if_plat(0.0),
+         1.0,  1.0, 1.0, flip_if_plat(1.0),
+    ];
+    quad_indices : [6]u16 = .[
+        0, 1, 2, 0, 2, 3
+    ];
+
+    vbuffer := sg_buffer_desc.{ size = size_of(float) * 16, data = .{
+        ptr = quad_vertices.data,
+        size = 16 * 4
+    }};
+    ibuffer := sg_buffer_desc.{ size = size_of(u16) * 6, data = .{
+        ptr = quad_indices.data,
+        size = 6 * 2
+    },
+    type = .INDEXBUFFER,
+    };
+
+    gPipelines.bloom.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer);
+    gPipelines.bloom.bind.index_buffer = sg_make_buffer(*ibuffer);
+    gPipelines.bloom.bind.samplers[0] = sg_make_sampler(*(sg_sampler_desc.{
+        wrap_u = .CLAMP_TO_EDGE,
+        wrap_v = .CLAMP_TO_EDGE,
+        min_filter = .NEAREST,
+        mag_filter = .NEAREST,
+    }));
+}
+
 create_ssao_images :: () {
     if g_ssaobuf.id != INVALID_ID then sg_destroy_image(g_ssaobuf);
     if g_ssaobuf_depth.id != INVALID_ID then sg_destroy_image(g_ssaobuf_depth);
@@ -991,7 +1050,7 @@ create_ssao_images :: () {
         width = w/2,
         height = h/2,
         render_target = true,
-        pixel_format = .RGBA32F
+        pixel_format = .RGBA8
     };
     img_desc.sample_count = 1;
     g_ssaobuf = sg_make_image(*img_desc);
@@ -1029,6 +1088,21 @@ create_ssao_images :: () {
     g_postprocess_attach_a = sg_make_attachments(*attachmentsDescA);
     sg_destroy_attachments(g_postprocess_attach_b);
     g_postprocess_attach_b = sg_make_attachments(*attachmentsDescB);
+
+    if g_bloom_tex.id != INVALID_ID then sg_destroy_image(g_bloom_tex);
+    bloom_img_desc := sg_image_desc.{
+        width = w/8,
+        height = h/8,
+        pixel_format = .RGBA32F,
+        render_target = true,
+        sample_count = 1,
+    };
+    g_bloom_tex = sg_make_image(*bloom_img_desc);
+    bloom_attach_desc := sg_attachments_desc.{
+        colors[0].image = g_bloom_tex,
+    };
+    sg_destroy_attachments(g_bloom_attach);
+    g_bloom_attach = sg_make_attachments(*bloom_attach_desc);
 }
 
 create_ssao_pipeline :: () {

src/rendering/post_processing.jai

@@ -14,8 +14,6 @@ Post_Process :: struct {
     dof_min           : float = 1.0; @Slider,0,10,1;
     dof_max           : float = 3.0; @Slider,0,50,1;
     dof_point         : float = 5.0; @Slider,0,30,1;
-    bloom_size        : s32   = 5;   @Slider,0,10,1;
-    bloom_separation  : float = 3.0; @Slider,0,10,1;
     bloom_treshold    : float = 0.4; @Slider,0,1,0.1;
     bloom_amount      : float = 0.0; @Slider,0,5,0.1;
 

src/rendering/tasks.jai

@@ -183,6 +183,7 @@ tasks_to_commands :: () {
                 memcpy(drawCmd.uv_rects.data, particleTask.uv_rects.data, particleTask.count * size_of(Vector4));
                 memcpy(drawCmd.colors.data, particleTask.colors.data, particleTask.count * size_of(Vector4));
                 array_add(*render_command_buckets.main, drawCmd);
+                array_add(*render_command_buckets.reflection, drawCmd);
             case .SET_CAMERA;
                 task := (cast(*Rendering_Task_Set_Camera)it);
                 command := New(Render_Command_Set_Camera,, temp);

src/shaders/jai/shader_bloom.jai

@@ -0,0 +1,423 @@
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i shader_bloom.glsl -o ./jai/shader_bloom.jai -l glsl430:glsl300es:metal_macos -f sokol_jai
+
+    Overview:
+    =========
+    Shader program: 'bloom':
+        Get shader desc: bloom_shader_desc(sg_query_backend())
+        Vertex Shader: vs_bloom
+        Fragment Shader: fs_bloom
+        Attributes:
+            ATTR_bloom_position => 0
+            ATTR_bloom_uv => 1
+    Bindings:
+        Uniform block 'bloom_params':
+            Jai struct: Bloom_Params
+            Bind slot: UB_bloom_params => 0
+        Image 'bloom_src':
+            Image type: ._2D
+            Sample type: .FLOAT
+            Multisampled: false
+            Bind slot: IMG_bloom_src => 0
+        Sampler 'bloom_src_smp':
+            Type: .FILTERING
+            Bind slot: SMP_bloom_src_smp => 0
+*/
+ATTR_bloom_position :: 0;
+ATTR_bloom_uv :: 1;
+UB_bloom_params :: 0;
+IMG_bloom_src :: 0;
+SMP_bloom_src_smp :: 0;
+Bloom_Params :: struct {
+    bloom_treshold: float;
+    _: [12]u8;
+};
+/*
+    #version 430
+
+    layout(location = 0) in vec2 position;
+    layout(location = 0) out vec2 texcoord;
+    layout(location = 1) in vec2 uv;
+
+    void main()
+    {
+        gl_Position = vec4(position, 0.5, 1.0);
+        texcoord = uv;
+    }
+
+*/
+vs_bloom_source_glsl430 := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x33,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x6f,0x73,0x69,0x74,
+    0x69,0x6f,0x6e,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,
+    0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,
+    0x63,0x32,0x20,0x74,0x65,0x78,0x63,0x6f,0x6f,0x72,0x64,0x3b,0x0a,0x6c,0x61,0x79,
+    0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,
+    0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x75,0x76,0x3b,0x0a,0x0a,0x76,
+    0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,
+    0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x76,
+    0x65,0x63,0x34,0x28,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2c,0x20,0x30,0x2e,
+    0x35,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x74,0x65,0x78,
+    0x63,0x6f,0x6f,0x72,0x64,0x20,0x3d,0x20,0x75,0x76,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+
+];
+/*
+    #version 430
+
+    uniform vec4 bloom_params[1];
+    layout(binding = 16) uniform sampler2D bloom_src_bloom_src_smp;
+
+    layout(location = 0) in vec2 texcoord;
+    layout(location = 0) out vec4 frag_color;
+
+    void main()
+    {
+        vec4 _24 = texture(bloom_src_bloom_src_smp, texcoord);
+        vec4 color = _24;
+        if (max(_24.x, max(_24.y, _24.z)) < bloom_params[0].x)
+        {
+            color = vec4(0.0, 0.0, 0.0, 1.0);
+        }
+        frag_color = vec4(color.xyz, 1.0);
+    }
+
+*/
+fs_bloom_source_glsl430 := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x33,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x62,0x6c,0x6f,0x6f,0x6d,
+    0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x5d,0x3b,0x0a,0x6c,0x61,0x79,0x6f,
+    0x75,0x74,0x28,0x62,0x69,0x6e,0x64,0x69,0x6e,0x67,0x20,0x3d,0x20,0x31,0x36,0x29,
+    0x20,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x73,0x61,0x6d,0x70,0x6c,0x65,0x72,
+    0x32,0x44,0x20,0x62,0x6c,0x6f,0x6f,0x6d,0x5f,0x73,0x72,0x63,0x5f,0x62,0x6c,0x6f,
+    0x6f,0x6d,0x5f,0x73,0x72,0x63,0x5f,0x73,0x6d,0x70,0x3b,0x0a,0x0a,0x6c,0x61,0x79,
+    0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,
+    0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x74,0x65,0x78,0x63,0x6f,0x6f,
+    0x72,0x64,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,
+    0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,
+    0x34,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x0a,0x76,
+    0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,
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+    0x65,0x63,0x34,0x28,0x30,0x2e,0x30,0x2c,0x20,0x30,0x2e,0x30,0x2c,0x20,0x30,0x2e,
+    0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x7d,0x0a,0x20,
+    0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,
+    0x76,0x65,0x63,0x34,0x28,0x63,0x6f,0x6c,0x6f,0x72,0x2e,0x78,0x79,0x7a,0x2c,0x20,
+    0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+];
+/*
+    #version 300 es
+
+    layout(location = 0) in vec2 position;
+    out vec2 texcoord;
+    layout(location = 1) in vec2 uv;
+
+    void main()
+    {
+        gl_Position = vec4(position, 0.5, 1.0);
+        texcoord = uv;
+    }
+
+*/
+vs_bloom_source_glsl300es := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a,
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+    0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x6f,
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+    0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,
+    0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x76,0x65,0x63,
+    0x34,0x28,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2c,0x20,0x30,0x2e,0x35,0x2c,
+    0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x74,0x65,0x78,0x63,0x6f,
+    0x6f,0x72,0x64,0x20,0x3d,0x20,0x75,0x76,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+];
+/*
+    #version 300 es
+    precision mediump float;
+    precision highp int;
+
+    uniform highp vec4 bloom_params[1];
+    uniform highp sampler2D bloom_src_bloom_src_smp;
+
+    in highp vec2 texcoord;
+    layout(location = 0) out highp vec4 frag_color;
+
+    void main()
+    {
+        highp vec4 _24 = texture(bloom_src_bloom_src_smp, texcoord);
+        highp vec4 color = _24;
+        if (max(_24.x, max(_24.y, _24.z)) < bloom_params[0].x)
+        {
+            color = vec4(0.0, 0.0, 0.0, 1.0);
+        }
+        frag_color = vec4(color.xyz, 1.0);
+    }
+
+*/
+fs_bloom_source_glsl300es := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a,
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+    0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x7d,0x0a,0x20,0x20,0x20,0x20,0x66,0x72,
+    0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,
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+    0x0a,0x7d,0x0a,0x0a,0x00,
+];
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct main0_out
+    {
+        float2 texcoord [[user(locn0)]];
+        float4 gl_Position [[position]];
+    };
+
+    struct main0_in
+    {
+        float2 position [[attribute(0)]];
+        float2 uv [[attribute(1)]];
+    };
+
+    vertex main0_out main0(main0_in in [[stage_in]])
+    {
+        main0_out out = {};
+        out.gl_Position = float4(in.position, 0.5, 1.0);
+        out.texcoord = in.uv;
+        return out;
+    }
+
+*/
+vs_bloom_source_metal_macos := u8.[
+    0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,0x20,0x3c,0x6d,0x65,0x74,0x61,0x6c,0x5f,
+    0x73,0x74,0x64,0x6c,0x69,0x62,0x3e,0x0a,0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,
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+    0x0a,0x0a,0x00,
+];
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct bloom_params
+    {
+        float bloom_treshold;
+    };
+
+    struct main0_out
+    {
+        float4 frag_color [[color(0)]];
+    };
+
+    struct main0_in
+    {
+        float2 texcoord [[user(locn0)]];
+    };
+
+    fragment main0_out main0(main0_in in [[stage_in]], constant bloom_params& _42 [[buffer(0)]], texture2d<float> bloom_src [[texture(0)]], sampler bloom_src_smp [[sampler(0)]])
+    {
+        main0_out out = {};
+        float4 _24 = bloom_src.sample(bloom_src_smp, in.texcoord);
+        float4 color = _24;
+        if (fast::max(_24.x, fast::max(_24.y, _24.z)) < _42.bloom_treshold)
+        {
+            color = float4(0.0, 0.0, 0.0, 1.0);
+        }
+        out.frag_color = float4(color.xyz, 1.0);
+        return out;
+    }
+
+*/
+fs_bloom_source_metal_macos := u8.[
+    0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,0x20,0x3c,0x6d,0x65,0x74,0x61,0x6c,0x5f,
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+    0x0a,0x00,
+];
+bloom_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
+    desc: sg_shader_desc;
+    desc.label = "bloom_shader";
+    if backend == {
+    case .GLCORE;
+        desc.vertex_func.source = xx *vs_bloom_source_glsl430;
+        desc.vertex_func.entry = "main";
+        desc.fragment_func.source = xx *fs_bloom_source_glsl430;
+        desc.fragment_func.entry = "main";
+        desc.attrs[0].base_type = .FLOAT;
+        desc.attrs[0].glsl_name = "position";
+        desc.attrs[1].base_type = .FLOAT;
+        desc.attrs[1].glsl_name = "uv";
+        desc.uniform_blocks[0].stage = .FRAGMENT;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 16;
+        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
+        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "bloom_params";
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .FLOAT;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .FILTERING;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+        desc.image_sampler_pairs[0].glsl_name = "bloom_src_bloom_src_smp";
+    case .GLES3;
+        desc.vertex_func.source = xx *vs_bloom_source_glsl300es;
+        desc.vertex_func.entry = "main";
+        desc.fragment_func.source = xx *fs_bloom_source_glsl300es;
+        desc.fragment_func.entry = "main";
+        desc.attrs[0].base_type = .FLOAT;
+        desc.attrs[0].glsl_name = "position";
+        desc.attrs[1].base_type = .FLOAT;
+        desc.attrs[1].glsl_name = "uv";
+        desc.uniform_blocks[0].stage = .FRAGMENT;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 16;
+        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
+        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "bloom_params";
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .FLOAT;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .FILTERING;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+        desc.image_sampler_pairs[0].glsl_name = "bloom_src_bloom_src_smp";
+    case .METAL_MACOS;
+        desc.vertex_func.source = xx *vs_bloom_source_metal_macos;
+        desc.vertex_func.entry = "main0";
+        desc.fragment_func.source = xx *fs_bloom_source_metal_macos;
+        desc.fragment_func.entry = "main0";
+        desc.attrs[0].base_type = .FLOAT;
+        desc.attrs[1].base_type = .FLOAT;
+        desc.uniform_blocks[0].stage = .FRAGMENT;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 16;
+        desc.uniform_blocks[0].msl_buffer_n = 0;
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .FLOAT;
+        desc.images[0].msl_texture_n = 0;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .FILTERING;
+        desc.samplers[0].msl_sampler_n = 0;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+    }
+    return desc;
+}

src/shaders/shader_bloom.glsl

@@ -0,0 +1,32 @@
+@vs vs_bloom
+in vec2 position;
+in vec2 uv;
+
+out vec2 texcoord;
+
+void main() {
+    gl_Position = vec4(position, 0.5, 1.0);
+    texcoord = uv;
+}
+@end
+
+@fs fs_bloom
+in vec2 texcoord;
+out vec4 frag_color;
+
+layout(binding=0) uniform bloom_params {
+    float bloom_treshold;
+};
+
+layout(binding = 0) uniform texture2D bloom_src;
+layout(binding = 0) uniform sampler bloom_src_smp;
+
+void main() {
+    vec4 color = texture(sampler2D(bloom_src, bloom_src_smp), texcoord);
+    float value = max(color.r, max(color.g, color.b));
+    if(value < bloom_treshold) { color = vec4(0.0, 0.0, 0.0, 1.0); }
+    frag_color = vec4(color.rgb, 1.0);
+}
+@end
+
+@program bloom vs_bloom fs_bloom

src/shaders/shader_post_process_main.glsl

@@ -18,6 +18,8 @@ layout(binding = 0) uniform texture2D pptex;
 layout(binding = 0) uniform sampler ppsmp;
 layout(binding = 1) uniform texture2D lut;
 layout(binding = 1) uniform sampler lut_linear;
+layout(binding = 2) uniform texture2D bloom_tex;
+layout(binding = 2) uniform sampler bloom_smp;
 
 layout(binding=0) uniform post_process_config {
     float exposure;
@@ -34,6 +36,7 @@ layout(binding=0) uniform post_process_config {
     float barrel_distortion_intensity;
     int   lut_mode;
     float dither_intensity;
+    float bloom_amount;
 };
 
 vec3 aces(vec3 x) {
@@ -85,8 +88,8 @@ void main() {
     float b = texture(sampler2D(pptex, ppsmp), distorted_texcoord - vec2(chromatic_aberration_intensity, 0.0)).b;
     vec3 sampled_color_hdr = vec4(r, g, b, 1.0).rgb;
 
-    
+    vec3 bloom_color = texture(sampler2D(bloom_tex, bloom_smp), distorted_texcoord).rgb;
-    vec3 color_hdr = sampled_color_hdr * exposure;
+    vec3 color_hdr = (sampled_color_hdr + bloom_color * bloom_amount) * exposure;
 
     vec3 color_ldr_linear;
     if(tonemap > 0.5) {

src/shaders/shader_sky.glsl

@@ -62,18 +62,6 @@ float noise(vec3 x)
     mix(hash(n + 270.0), hash(n + 271.0), f.x), f.y), f.z);
 }
 
-const mat3 m = mat3(0.0, 1.60,  1.20, -1.6, 0.72, -0.96, -1.2, -0.96, 1.28);
-float fbm(vec3 p)
-{
-    float f = 0.0;
-    f += noise(p) / 2.0; p = m * p * 1.1;
-    f += noise(p) / 4.0; p = m * p * 1.2;
-    f += noise(p) / 6.0; p = m * p * 1.3;
-    f += noise(p) / 12.0; p = m * p * 1.4;
-    f += noise(p) / 24.0;
-    return f;
-}
-
 vec3 sky(vec3 skypos, vec3 sunpos) {
 
     vec3 sunCol = sunDisk.xyz;
@@ -111,13 +99,6 @@ vec3 sky(vec3 skypos, vec3 sunpos) {
     final += mix(horizonHalo.xyz, vec3(0.0,0.0,0.0), clamp(abs(npos.y) * 20.0, 0.0, 1.0)) * 0.8;
 
     final = vec3(final);
-
-    // Cirrus Clouds
-    if(hasClouds == 1) { 
-        float density = smoothstep(1.0 - cirrus, 1.0, fbm(npos.xyz / npos.y * 2.0 + time * 0.05)) * 0.3;
-        final.rgb = mix(final.rgb, vec3(1.0, 1.0, 1.0), max(0.0, npos.y) * density * 2.0);
-    }
-
     return final;
 }
 

src/shaders/shader_trile.glsl

@@ -341,7 +341,7 @@ vec3 sample_rdm(vec3 N, vec3 V, vec3 rdm_center, vec3 diff, int roughness, ivec3
     }
 
     float maxDist = 20.0;
-    int steps = 40;
+    int steps = 10;
     for (int i = 0; i < steps; i++) {
         float t = maxDist * float(i + 1) / float(steps);
         vec3 samplePos = diff + t * reflected;
@@ -453,7 +453,9 @@ void main() {
     vec3 pos_after_adjust = ipos - orig_normal * 0.02;
     int count = 0;
     vec4 trixel_material;
-    while (count < 5) {
+    int maxCount = 5;
+    if(is_reflection == 1) maxCount = 1;
+    while (count < maxCount) {
         int xpos = int(clamp(pos_after_adjust.z, 0.0001, 0.99999) * 16.0);
         int ypos = int(clamp(pos_after_adjust.y, 0.0001, 0.99999) * 16.0);
         int zpos = int(clamp(pos_after_adjust.x, 0.0001, 0.99999) * 16.0);
@@ -489,6 +491,16 @@ void main() {
         N = vec3(0.0, 0.0, sign(fnormal.z));
     }
 
+    if (is_reflection == 1) {
+        vec3 V = normalize(cam - vpos.xyz);
+        vec3 L = normalize(sunPosition);
+        float NdotL = max(dot(N, L), 0.0);
+        vec3 light = albedo * NdotL * sunLightColor * sunIntensity;
+        light += 0.1 * albedo;
+        frag_color = vec4(light, 1.0);
+        return;
+    }
+
     vec3 V = normalize(cam - vpos.xyz);
     vec3 L = normalize(sunPosition);
     vec3 H = normalize(V + L);
@@ -519,7 +531,7 @@ void main() {
     vec3 hemispherePos = trileCenter + N * 0.49;
     ivec3 local = ivec3(mod(floor(trileCenter), 32.0));
     vec4 atlas_rect_check = rdm_get_atlas_rect(local, roughnessInt);
-    float ssao_sample = texture(sampler2D(ssaotex, trilesmp), vec2(gl_FragCoord.x / float(screen_w), gl_FragCoord.y / float(screen_h)), 0).r;
+    float ssao_sample = texture(sampler2D(ssaotex, rdmsmp), vec2(gl_FragCoord.x / float(screen_w), gl_FragCoord.y / float(screen_h)), 0).r;
 
     // Emissive — self-lit, not shadowed.
     vec3 emissive = albedo * emittance * emissive_scale;