From a7c1b0794c500836efdc186a992bfa027e0b5128 Mon Sep 17 00:00:00 2001 From: Katajisto Date: Mon, 30 Jun 2025 20:46:45 +0300 Subject: [PATCH] lighting model for trile editor --- src/editor/trile_editor.jai | 20 +- src/main.jai | 2 +- src/pipelines.jai | 84 ++ src/shaders/jai/shader_sky.jai | 1193 +++++++++++++++++++++++++++++ src/shaders/jai/shader_trixel.jai | 277 +++++-- src/shaders/shader_sky.glsl | 117 +++ src/shaders/shader_trixel.glsl | 17 +- 7 files changed, 1627 insertions(+), 83 deletions(-) create mode 100644 src/shaders/jai/shader_sky.jai create mode 100644 src/shaders/shader_sky.glsl diff --git a/src/editor/trile_editor.jai b/src/editor/trile_editor.jai index 88c191b..8d8de7a 100644 --- a/src/editor/trile_editor.jai +++ b/src/editor/trile_editor.jai @@ -173,6 +173,24 @@ draw_material_tab :: (theme: *GR.Overall_Theme, area: GR.Rect) { } +draw_sky :: () { + cam := get_trile_editor_camera(); + + mvp := create_viewproj(*cam); + vs_params : Sky_Vs_Params; + vs_params.mvp = mvp.floats; + sg_apply_pipeline(gPipelines.sky.pipeline); + sg_apply_bindings(*gPipelines.sky.bind); + sg_apply_uniforms(UB_sky_vs_params, *(sg_range.{ ptr = *vs_params, size = size_of(type_of(vs_params)) })); + sg_draw(0, 36, 1); + +} + +draw_trile_editor :: () { + draw_sky(); + draw_trile(); +} + draw_trile :: () { cam := get_trile_editor_camera(); @@ -232,7 +250,7 @@ draw_trile :: () { } } - sg_update_buffer(gPipelines.trixel.bind.vertex_buffers[1], *(sg_range.{ + sg_update_buffer(gPipelines.trixel.bind.vertex_buffers[2], *(sg_range.{ ptr = trixels.data, size = size_of(type_of(trixels)), })); diff --git a/src/main.jai b/src/main.jai index 2b54b65..388d541 100644 --- a/src/main.jai +++ b/src/main.jai @@ -112,8 +112,8 @@ frame :: () { sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, swapchain = cast,force(sg_swapchain) sglue_swapchain() })); tick_ui(); + draw_trile_editor(); ui_pass(); - draw_trile(); sg_end_pass(); sg_commit(); diff --git a/src/pipelines.jai b/src/pipelines.jai index 2a5a280..a8ae35b 100644 --- a/src/pipelines.jai +++ b/src/pipelines.jai @@ -1,5 +1,6 @@ #load "./shaders/jai/shader_triangle.jai"; #load "./shaders/jai/shader_trixel.jai"; +#load "./shaders/jai/shader_sky.jai"; Pipeline_Binding :: struct { pipeline : sg_pipeline; @@ -16,11 +17,15 @@ gPipelines : struct { // generated meshes. trixel : Pipeline_Binding; + // Sky rendering. + sky : Pipeline_Binding; + } create_pipelines :: () { create_arbtri_pipeline(); create_trixel_pipeline(); + create_sky_pipeline(); } TRIXEL_SIZE_HALF : float : 1.0/32.0; @@ -148,6 +153,85 @@ create_trixel_pipeline :: () { gPipelines.trixel.bind.vertex_buffers[2] = sg_make_buffer(*instance_buffer); } +create_sky_pipeline :: () { + pipeline: sg_pipeline_desc; + shader_desc := sky_shader_desc(sg_query_backend()); + pipeline.shader = sg_make_shader(*shader_desc); + pipeline.layout.buffers[0].stride = 4*3; + + pipeline.layout.attrs[ATTR_sky_position] = .{ format = .FLOAT3, buffer_index = 0 }; + pipeline.index_type = .UINT16; + pipeline.depth = .{ + write_enabled = true, + compare = .LESS_EQUAL, + }; + + color_state := sg_color_target_state.{ + pixel_format = .RGBA8, + blend = .{ + enabled = true, + src_factor_rgb = .SRC_ALPHA, + dst_factor_rgb = .ONE_MINUS_SRC_ALPHA + } + }; + + + vertices : [24]Vector3 = .[ + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, -TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, -TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, TRIXEL_SIZE/2}, + .{-TRIXEL_SIZE/2, TRIXEL_SIZE/2, -TRIXEL_SIZE/2} + ]; + + k : u16 = 0; + i : u16 = 0; + + indices : [36]u16; + + while i < 36 { + indices[i] = 4*k; + indices[i + 1] = 4*k + 1; + indices[i + 2] = 4*k + 2; + indices[i + 3] = 4*k; + indices[i + 4] = 4*k + 2; + indices[i + 5] = 4*k + 3; + k += 1; + i += 6; + } + + + pipeline.color_count = 1; + pipeline.colors[0] = color_state; + + gPipelines.sky.pipeline = sg_make_pipeline(*pipeline); + + ibuffer := sg_buffer_desc.{ type = .INDEXBUFFER, data = .{ ptr = indices.data, size = 36 * 2 } }; + vbuffer := sg_buffer_desc.{ data = .{ ptr = vertices.data, size = 24 * 3 * 4 } }; + + gPipelines.sky.bind.index_buffer = sg_make_buffer(*ibuffer); + gPipelines.sky.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer); +} + create_arbtri_pipeline :: () { pipeline: sg_pipeline_desc; shader_desc := triangle_shader_desc(sg_query_backend()); diff --git a/src/shaders/jai/shader_sky.jai b/src/shaders/jai/shader_sky.jai new file mode 100644 index 0000000..88b1ada --- /dev/null +++ b/src/shaders/jai/shader_sky.jai @@ -0,0 +1,1193 @@ +/* + #version:1# (machine generated, don't edit!) + + Generated by sokol-shdc (https://github.com/floooh/sokol-tools) + + Cmdline: + sokol-shdc -i shader_sky.glsl -o ./jai/shader_sky.jai -l glsl430:glsl300es:metal_macos -f sokol_jai + + Overview: + ========= + Shader program: 'sky': + Get shader desc: sky_shader_desc(sg_query_backend()) + Vertex Shader: vs_sky + Fragment Shader: fs_sky + Attributes: + ATTR_sky_position => 0 + Bindings: + Uniform block 'sky_vs_params': + Jai struct: Sky_Vs_Params + Bind slot: UB_sky_vs_params => 0 +*/ +ATTR_sky_position :: 0; +UB_sky_vs_params :: 0; +Sky_Vs_Params :: struct { + mvp: [16]float; +}; +/* + #version 430 + + uniform vec4 sky_vs_params[4]; + layout(location = 0) in vec4 position; + layout(location = 0) out vec4 pos; + + void main() + { + gl_Position = mat4(sky_vs_params[0], sky_vs_params[1], sky_vs_params[2], sky_vs_params[3]) * vec4(position.xyz * 500.0, 1.0); + pos = position; + } + +*/ +vs_sky_source_glsl430 := u8.[ + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x33,0x30,0x0a,0x0a,0x75,0x6e, + 0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x73,0x6b,0x79,0x5f,0x76, + 0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a,0x6c,0x61,0x79, + 0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30, + 0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69,0x74,0x69, + 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0x3d,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, + +]; +/* + #version 430 + + layout(location = 0) in vec4 pos; + layout(location = 0) out vec4 frag_color; + + float hash(float n) + { + return fract(sin(n) * 43758.546875); + } + + float _noise(vec3 x) + { + vec3 _35 = fract(x); + float _43 = dot(floor(x), vec3(1.0, 157.0, 113.0)); + float param = _43; + float param_1 = _43 + 1.0; + float _56 = _35.x; + float param_2 = _43 + 157.0; + float param_3 = _43 + 158.0; + float _72 = _35.y; + float param_4 = _43 + 113.0; + float param_5 = _43 + 114.0; + float param_6 = _43 + 270.0; + float param_7 = _43 + 271.0; + return mix(mix(mix(hash(param), hash(param_1), _56), mix(hash(param_2), hash(param_3), _56), _72), mix(mix(hash(param_4), hash(param_5), _56), mix(hash(param_6), hash(param_7), _56), _72), _35.z); + } + + float fbm(inout vec3 p) + { + float f = 0.0; + vec3 param = p; + f += (_noise(param) * 0.5); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.10000002384185791015625; + vec3 param_1 = p; + f += (_noise(param_1) * 0.25); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2000000476837158203125; + vec3 param_2 = p; + f += (_noise(param_2) * 0.16666667163372039794921875); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2999999523162841796875; + vec3 param_3 = p; + f += (_noise(param_3) * 0.083333335816860198974609375); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.39999997615814208984375; + vec3 param_4 = p; + float _169 = f; + float _170 = _169 + (_noise(param_4) * 0.0416666679084300994873046875); + f = _170; + return _170; + } + + vec3 sky(vec3 skypos, vec3 sunpos) + { + float _199 = dot(normalize(skypos), normalize(sunpos)); + vec3 _202 = normalize(skypos); + vec3 final = mix(vec3(0.3842999935150146484375, 0.81169998645782470703125, 0.956799983978271484375), vec3(0.17000000178813934326171875, 0.4000000059604644775390625, 0.949999988079071044921875), vec3(clamp(skypos.y * 2.0, 0.0, 0.699999988079071044921875))) + ((vec3(1.0) * clamp((_199 - 0.949999988079071044921875) * 10.0, 0.0, 0.800000011920928955078125)) * 0.20000000298023223876953125); + if (_199 > 0.99989998340606689453125) + { + final = vec3(1.0); + } + float _237 = _202.y; + final += (mix(vec3(1.0), vec3(0.0), vec3(clamp(abs(_237) * 80.0, 0.0, 1.0))) * 0.100000001490116119384765625); + vec3 param = (_202 / vec3(_237)) * 2.0; + float _260 = fbm(param); + vec3 _264 = final; + vec3 _272 = mix(_264, vec3(1.0), vec3((max(0.0, _237) * (smoothstep(0.5, 1.0, _260) * 0.300000011920928955078125)) * 2.0)); + final = _272; + return _272; + } + + void main() + { + vec3 param = normalize(pos.xyz); + vec3 param_1 = vec3(0.485071241855621337890625, 0.72760689258575439453125, 0.485071241855621337890625); + frag_color = vec4(sky(param, param_1), 1.0); + } + +*/ +fs_sky_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,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x3b,0x0a, + 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0x36,0x38,0x39,0x32,0x35,0x38,0x35,0x37,0x35,0x34,0x33,0x39,0x34,0x35,0x33,0x31, + 0x32,0x35,0x2c,0x20,0x30,0x2e,0x34,0x38,0x35,0x30,0x37,0x31,0x32,0x34,0x31,0x38, + 0x35,0x35,0x36,0x32,0x31,0x33,0x33,0x37,0x38,0x39,0x30,0x36,0x32,0x35,0x29,0x3b, + 0x0a,0x20,0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20, + 0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x73,0x6b,0x79,0x28,0x70,0x61,0x72,0x61,0x6d, + 0x2c,0x20,0x70,0x61,0x72,0x61,0x6d,0x5f,0x31,0x29,0x2c,0x20,0x31,0x2e,0x30,0x29, + 0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +]; +/* + #version 300 es + + uniform vec4 sky_vs_params[4]; + layout(location = 0) in vec4 position; + out vec4 pos; + + void main() + { + gl_Position = mat4(sky_vs_params[0], sky_vs_params[1], sky_vs_params[2], sky_vs_params[3]) * vec4(position.xyz * 500.0, 1.0); + pos = position; + } + +*/ +vs_sky_source_glsl300es := u8.[ + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a, + 0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x73,0x6b, + 0x79,0x5f,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a, + 0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20, + 0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73, + 0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20, + 0x70,0x6f,0x73,0x3b,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,0x20,0x6d,0x61,0x74,0x34,0x28,0x73,0x6b,0x79,0x5f,0x76, + 0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x30,0x5d,0x2c,0x20,0x73,0x6b,0x79, + 0x5f,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x5d,0x2c,0x20,0x73, + 0x6b,0x79,0x5f,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x32,0x5d,0x2c, + 0x20,0x73,0x6b,0x79,0x5f,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x33, + 0x5d,0x29,0x20,0x2a,0x20,0x76,0x65,0x63,0x34,0x28,0x70,0x6f,0x73,0x69,0x74,0x69, + 0x6f,0x6e,0x2e,0x78,0x79,0x7a,0x20,0x2a,0x20,0x35,0x30,0x30,0x2e,0x30,0x2c,0x20, + 0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x70,0x6f,0x73,0x20,0x3d,0x20, + 0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +]; +/* + #version 300 es + precision mediump float; + precision highp int; + + in highp vec4 pos; + layout(location = 0) out highp vec4 frag_color; + + highp float hash(highp float n) + { + return fract(sin(n) * 43758.546875); + } + + highp float _noise(highp vec3 x) + { + highp vec3 _35 = fract(x); + highp float _43 = dot(floor(x), vec3(1.0, 157.0, 113.0)); + highp float param = _43; + highp float param_1 = _43 + 1.0; + highp float _56 = _35.x; + highp float param_2 = _43 + 157.0; + highp float param_3 = _43 + 158.0; + highp float _72 = _35.y; + highp float param_4 = _43 + 113.0; + highp float param_5 = _43 + 114.0; + highp float param_6 = _43 + 270.0; + highp float param_7 = _43 + 271.0; + return mix(mix(mix(hash(param), hash(param_1), _56), mix(hash(param_2), hash(param_3), _56), _72), mix(mix(hash(param_4), hash(param_5), _56), mix(hash(param_6), hash(param_7), _56), _72), _35.z); + } + + highp float fbm(inout highp vec3 p) + { + highp float f = 0.0; + highp vec3 param = p; + f += (_noise(param) * 0.5); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.10000002384185791015625; + highp vec3 param_1 = p; + f += (_noise(param_1) * 0.25); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2000000476837158203125; + highp vec3 param_2 = p; + f += (_noise(param_2) * 0.16666667163372039794921875); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2999999523162841796875; + highp vec3 param_3 = p; + f += (_noise(param_3) * 0.083333335816860198974609375); + p = (mat3(vec3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), vec3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), vec3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.39999997615814208984375; + highp vec3 param_4 = p; + highp float _169 = f; + highp float _170 = _169 + (_noise(param_4) * 0.0416666679084300994873046875); + f = _170; + return _170; + } + + highp vec3 sky(highp vec3 skypos, highp vec3 sunpos) + { + highp float _199 = dot(normalize(skypos), normalize(sunpos)); + highp vec3 _202 = normalize(skypos); + highp vec3 final = mix(vec3(0.3842999935150146484375, 0.81169998645782470703125, 0.956799983978271484375), vec3(0.17000000178813934326171875, 0.4000000059604644775390625, 0.949999988079071044921875), vec3(clamp(skypos.y * 2.0, 0.0, 0.699999988079071044921875))) + ((vec3(1.0) * clamp((_199 - 0.949999988079071044921875) * 10.0, 0.0, 0.800000011920928955078125)) * 0.20000000298023223876953125); + if (_199 > 0.99989998340606689453125) + { + final = vec3(1.0); + } + highp float _237 = _202.y; + final += (mix(vec3(1.0), vec3(0.0), vec3(clamp(abs(_237) * 80.0, 0.0, 1.0))) * 0.100000001490116119384765625); + highp vec3 param = (_202 / vec3(_237)) * 2.0; + highp float _260 = fbm(param); + highp vec3 _264 = final; + highp vec3 _272 = mix(_264, vec3(1.0), vec3((max(0.0, _237) * (smoothstep(0.5, 1.0, _260) * 0.300000011920928955078125)) * 2.0)); + final = _272; + return _272; + } + + void main() + { + highp vec3 param = normalize(pos.xyz); + highp vec3 param_1 = vec3(0.485071241855621337890625, 0.72760689258575439453125, 0.485071241855621337890625); + frag_color = vec4(sky(param, param_1), 1.0); + } + +*/ +fs_sky_source_glsl300es := u8.[ + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a, + 0x70,0x72,0x65,0x63,0x69,0x73,0x69,0x6f,0x6e,0x20,0x6d,0x65,0x64,0x69,0x75,0x6d, + 0x70,0x20,0x66,0x6c,0x6f,0x61,0x74,0x3b,0x0a,0x70,0x72,0x65,0x63,0x69,0x73,0x69, + 0x6f,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x69,0x6e,0x74,0x3b,0x0a,0x0a,0x69, + 0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73, + 0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f, + 0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x68,0x69,0x67,0x68,0x70, + 0x20,0x76,0x65,0x63,0x34,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72, + 0x3b,0x0a,0x0a,0x68,0x69,0x67,0x68,0x70,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x68, + 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0x30,0x37,0x38,0x31,0x32,0x35,0x29,0x29,0x20,0x2a,0x20,0x32,0x2e,0x30,0x29,0x29, + 0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x69,0x6e,0x61,0x6c,0x20,0x3d,0x20,0x5f,0x32, + 0x37,0x32,0x3b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x5f, + 0x32,0x37,0x32,0x3b,0x0a,0x7d,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69, + 0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x68,0x69,0x67,0x68,0x70,0x20, + 0x76,0x65,0x63,0x33,0x20,0x70,0x61,0x72,0x61,0x6d,0x20,0x3d,0x20,0x6e,0x6f,0x72, + 0x6d,0x61,0x6c,0x69,0x7a,0x65,0x28,0x70,0x6f,0x73,0x2e,0x78,0x79,0x7a,0x29,0x3b, + 0x0a,0x20,0x20,0x20,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65,0x63,0x33,0x20, + 0x70,0x61,0x72,0x61,0x6d,0x5f,0x31,0x20,0x3d,0x20,0x76,0x65,0x63,0x33,0x28,0x30, + 0x2e,0x34,0x38,0x35,0x30,0x37,0x31,0x32,0x34,0x31,0x38,0x35,0x35,0x36,0x32,0x31, + 0x33,0x33,0x37,0x38,0x39,0x30,0x36,0x32,0x35,0x2c,0x20,0x30,0x2e,0x37,0x32,0x37, + 0x36,0x30,0x36,0x38,0x39,0x32,0x35,0x38,0x35,0x37,0x35,0x34,0x33,0x39,0x34,0x35, + 0x33,0x31,0x32,0x35,0x2c,0x20,0x30,0x2e,0x34,0x38,0x35,0x30,0x37,0x31,0x32,0x34, + 0x31,0x38,0x35,0x35,0x36,0x32,0x31,0x33,0x33,0x37,0x38,0x39,0x30,0x36,0x32,0x35, + 0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f, + 0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x73,0x6b,0x79,0x28,0x70,0x61,0x72, + 0x61,0x6d,0x2c,0x20,0x70,0x61,0x72,0x61,0x6d,0x5f,0x31,0x29,0x2c,0x20,0x31,0x2e, + 0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +]; +/* + #include + #include + + using namespace metal; + + struct sky_vs_params + { + float4x4 mvp; + }; + + struct main0_out + { + float4 pos [[user(locn0)]]; + float4 gl_Position [[position]]; + }; + + struct main0_in + { + float4 position [[attribute(0)]]; + }; + + vertex main0_out main0(main0_in in [[stage_in]], constant sky_vs_params& _19 [[buffer(0)]]) + { + main0_out out = {}; + out.gl_Position = _19.mvp * float4(in.position.xyz * 500.0, 1.0); + out.pos = in.position; + return out; + } + +*/ +vs_sky_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, + 0x20,0x3c,0x73,0x69,0x6d,0x64,0x2f,0x73,0x69,0x6d,0x64,0x2e,0x68,0x3e,0x0a,0x0a, + 0x75,0x73,0x69,0x6e,0x67,0x20,0x6e,0x61,0x6d,0x65,0x73,0x70,0x61,0x63,0x65,0x20, + 0x6d,0x65,0x74,0x61,0x6c,0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x73, + 0x6b,0x79,0x5f,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x0a,0x7b,0x0a,0x20, + 0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x78,0x34,0x20,0x6d,0x76,0x70,0x3b, + 0x0a,0x7d,0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x6d,0x61,0x69,0x6e, + 0x30,0x5f,0x6f,0x75,0x74,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61, + 0x74,0x34,0x20,0x70,0x6f,0x73,0x20,0x5b,0x5b,0x75,0x73,0x65,0x72,0x28,0x6c,0x6f, + 0x63,0x6e,0x30,0x29,0x5d,0x5d,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61, + 0x74,0x34,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x5b, + 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0x7d,0x3b,0x0a,0x20,0x20,0x20,0x20,0x6f,0x75,0x74,0x2e,0x67,0x6c,0x5f,0x50,0x6f, + 0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x5f,0x31,0x39,0x2e,0x6d,0x76,0x70, + 0x20,0x2a,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x28,0x69,0x6e,0x2e,0x70,0x6f,0x73, + 0x69,0x74,0x69,0x6f,0x6e,0x2e,0x78,0x79,0x7a,0x20,0x2a,0x20,0x35,0x30,0x30,0x2e, + 0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x6f,0x75,0x74, + 0x2e,0x70,0x6f,0x73,0x20,0x3d,0x20,0x69,0x6e,0x2e,0x70,0x6f,0x73,0x69,0x74,0x69, + 0x6f,0x6e,0x3b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f, + 0x75,0x74,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +]; +/* + #pragma clang diagnostic ignored "-Wmissing-prototypes" + + #include + #include + + using namespace metal; + + struct main0_out + { + float4 frag_color [[color(0)]]; + }; + + struct main0_in + { + float4 pos [[user(locn0)]]; + }; + + static inline __attribute__((always_inline)) + float hash(thread const float& n) + { + return fract(sin(n) * 43758.546875); + } + + static inline __attribute__((always_inline)) + float _noise(thread const float3& x) + { + float3 _35 = fract(x); + float _43 = dot(floor(x), float3(1.0, 157.0, 113.0)); + float param = _43; + float param_1 = _43 + 1.0; + float _56 = _35.x; + float param_2 = _43 + 157.0; + float param_3 = _43 + 158.0; + float _72 = _35.y; + float param_4 = _43 + 113.0; + float param_5 = _43 + 114.0; + float param_6 = _43 + 270.0; + float param_7 = _43 + 271.0; + return mix(mix(mix(hash(param), hash(param_1), _56), mix(hash(param_2), hash(param_3), _56), _72), mix(mix(hash(param_4), hash(param_5), _56), mix(hash(param_6), hash(param_7), _56), _72), _35.z); + } + + static inline __attribute__((always_inline)) + float fbm(thread float3& p) + { + float f = 0.0; + float3 param = p; + f += (_noise(param) * 0.5); + p = (float3x3(float3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), float3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), float3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.10000002384185791015625; + float3 param_1 = p; + f += (_noise(param_1) * 0.25); + p = (float3x3(float3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), float3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), float3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2000000476837158203125; + float3 param_2 = p; + f += (_noise(param_2) * 0.16666667163372039794921875); + p = (float3x3(float3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), float3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), float3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.2999999523162841796875; + float3 param_3 = p; + f += (_noise(param_3) * 0.083333335816860198974609375); + p = (float3x3(float3(0.0, 1.60000002384185791015625, 1.2000000476837158203125), float3(-1.60000002384185791015625, 0.7200000286102294921875, -0.959999978542327880859375), float3(-1.2000000476837158203125, -0.959999978542327880859375, 1.2799999713897705078125)) * p) * 1.39999997615814208984375; + float3 param_4 = p; + float _169 = f; + float _170 = _169 + (_noise(param_4) * 0.0416666679084300994873046875); + f = _170; + return _170; + } + + static inline __attribute__((always_inline)) + float3 sky(thread const float3& skypos, thread const float3& sunpos) + { + float _199 = dot(fast::normalize(skypos), fast::normalize(sunpos)); + float3 _202 = fast::normalize(skypos); + float3 final = mix(float3(0.3842999935150146484375, 0.81169998645782470703125, 0.956799983978271484375), float3(0.17000000178813934326171875, 0.4000000059604644775390625, 0.949999988079071044921875), float3(fast::clamp(skypos.y * 2.0, 0.0, 0.699999988079071044921875))) + ((float3(1.0) * fast::clamp((_199 - 0.949999988079071044921875) * 10.0, 0.0, 0.800000011920928955078125)) * 0.20000000298023223876953125); + if (_199 > 0.99989998340606689453125) + { + final = float3(1.0); + } + float _237 = _202.y; + final += (mix(float3(1.0), float3(0.0), float3(fast::clamp(abs(_237) * 80.0, 0.0, 1.0))) * 0.100000001490116119384765625); + float3 param = (_202 / float3(_237)) * 2.0; + float _260 = fbm(param); + float3 _264 = final; + float3 _272 = mix(_264, float3(1.0), float3((fast::max(0.0, _237) * (smoothstep(0.5, 1.0, _260) * 0.300000011920928955078125)) * 2.0)); + final = _272; + return _272; + } + + fragment main0_out main0(main0_in in [[stage_in]]) + { + main0_out out = {}; + float3 param = fast::normalize(in.pos.xyz); + float3 param_1 = float3(0.485071241855621337890625, 0.72760689258575439453125, 0.485071241855621337890625); + out.frag_color = float4(sky(param, param_1), 1.0); + return out; + } + +*/ +fs_sky_source_metal_macos := u8.[ + 0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x63,0x6c,0x61,0x6e,0x67,0x20,0x64,0x69, + 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sg_backend) -> sg_shader_desc { + desc: sg_shader_desc; + desc.label = "sky_shader"; + if backend == { + case .GLCORE; + desc.vertex_func.source = xx *vs_sky_source_glsl430; + desc.vertex_func.entry = "main"; + desc.fragment_func.source = xx *fs_sky_source_glsl430; + desc.fragment_func.entry = "main"; + desc.attrs[0].base_type = .FLOAT; + desc.attrs[0].glsl_name = "position"; + desc.uniform_blocks[0].stage = .VERTEX; + desc.uniform_blocks[0].layout = .STD140; + desc.uniform_blocks[0].size = 64; + desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4; + desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4; + desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "sky_vs_params"; + case .GLES3; + desc.vertex_func.source = xx *vs_sky_source_glsl300es; + desc.vertex_func.entry = "main"; + desc.fragment_func.source = xx *fs_sky_source_glsl300es; + desc.fragment_func.entry = "main"; + desc.attrs[0].base_type = .FLOAT; + desc.attrs[0].glsl_name = "position"; + desc.uniform_blocks[0].stage = .VERTEX; + desc.uniform_blocks[0].layout = .STD140; + desc.uniform_blocks[0].size = 64; + desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4; + desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4; + desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "sky_vs_params"; + case .METAL_MACOS; + desc.vertex_func.source = xx *vs_sky_source_metal_macos; + desc.vertex_func.entry = "main0"; + desc.fragment_func.source = xx *fs_sky_source_metal_macos; + desc.fragment_func.entry = "main0"; + desc.attrs[0].base_type = .FLOAT; + desc.uniform_blocks[0].stage = .VERTEX; + desc.uniform_blocks[0].layout = .STD140; + desc.uniform_blocks[0].size = 64; + desc.uniform_blocks[0].msl_buffer_n = 0; + } + return desc; +} diff --git a/src/shaders/jai/shader_trixel.jai b/src/shaders/jai/shader_trixel.jai index 159852c..ed6b81b 100644 --- a/src/shaders/jai/shader_trixel.jai +++ b/src/shaders/jai/shader_trixel.jai @@ -36,14 +36,18 @@ Vs_Params :: struct { uniform vec4 vs_params[4]; layout(location = 2) in vec4 inst; layout(location = 0) in vec4 position; + layout(location = 1) out vec4 fnormal; + layout(location = 1) in vec4 normal; layout(location = 0) out vec4 color; layout(location = 3) in vec4 inst_col; - layout(location = 1) in vec4 normal; + layout(location = 2) out vec4 pos; void main() { gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * vec4(position.xyz + inst.xyz, 1.0); + fnormal = normal; color = inst_col; + pos = gl_Position; } */ @@ -56,46 +60,80 @@ vs_trixel_source_glsl430 := u8.[ 0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29, 0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,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,0x75,0x74,0x20,0x76,0x65,0x63,0x34, - 0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c, - 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0x20,0x20,0x70,0x6f,0x73,0x20,0x3d,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74, + 0x69,0x6f,0x6e,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, ]; /* #version 430 - layout(location = 0) out vec4 frag_color; layout(location = 0) in vec4 color; + layout(location = 2) in vec4 pos; + layout(location = 1) in vec4 fnormal; + layout(location = 0) out vec4 frag_color; void main() { - frag_color = color; + frag_color = vec4(((color.xyz * 0.300000011920928955078125) + ((color.xyz * max(0.0, dot(normalize(vec3(5.0, 5.0, 2.0) - pos.xyz), fnormal.xyz))) * 0.5)) + (((color.xyz * max(0.0, dot(normalize(vec3(-5.0, -2.0, -2.0) - pos.xyz), fnormal.xyz))) * 0.300000011920928955078125) * vec3(1.0, 0.699999988079071044921875, 0.699999988079071044921875)), 1.0); } */ fs_trixel_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, - 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0x20,0x30,0x2e,0x36,0x39,0x39,0x39,0x39,0x39,0x39,0x38,0x38,0x30,0x37,0x39,0x30, + 0x37,0x31,0x30,0x34,0x34,0x39,0x32,0x31,0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x31, + 0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, ]; /* #version 300 es @@ -103,14 +141,18 @@ fs_trixel_source_glsl430 := u8.[ uniform vec4 vs_params[4]; layout(location = 2) in vec4 inst; layout(location = 0) in vec4 position; + out vec4 fnormal; + layout(location = 1) in vec4 normal; out vec4 color; layout(location = 3) in vec4 inst_col; - layout(location = 1) in vec4 normal; + out vec4 pos; void main() { gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * vec4(position.xyz + inst.xyz, 1.0); + fnormal = normal; color = inst_col; + pos = gl_Position; } */ @@ -122,12 +164,14 @@ vs_trixel_source_glsl300es := u8.[ 0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x69,0x6e,0x73,0x74,0x3b,0x0a,0x6c, 0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d, 0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69, - 0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x63, - 0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63, - 0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x33,0x29,0x20,0x69,0x6e,0x20,0x76,0x65, - 0x63,0x34,0x20,0x69,0x6e,0x73,0x74,0x5f,0x63,0x6f,0x6c,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,0x20,0x76,0x65,0x63,0x34,0x20,0x6e,0x6f,0x72,0x6d,0x61,0x6c, + 0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x66, + 0x6e,0x6f,0x72,0x6d,0x61,0x6c,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, + 0x76,0x65,0x63,0x34,0x20,0x6e,0x6f,0x72,0x6d,0x61,0x6c,0x3b,0x0a,0x6f,0x75,0x74, + 0x20,0x76,0x65,0x63,0x34,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79, + 0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x33, + 0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x69,0x6e,0x73,0x74,0x5f,0x63, + 0x6f,0x6c,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73, 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,0x20,0x6d,0x61,0x74,0x34,0x28,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d, @@ -136,21 +180,25 @@ vs_trixel_source_glsl300es := u8.[ 0x2c,0x20,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x33,0x5d,0x29,0x20, 0x2a,0x20,0x76,0x65,0x63,0x34,0x28,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2e, 0x78,0x79,0x7a,0x20,0x2b,0x20,0x69,0x6e,0x73,0x74,0x2e,0x78,0x79,0x7a,0x2c,0x20, - 0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20, - 0x3d,0x20,0x69,0x6e,0x73,0x74,0x5f,0x63,0x6f,0x6c,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, - + 0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6e,0x6f,0x72,0x6d,0x61, + 0x6c,0x20,0x3d,0x20,0x6e,0x6f,0x72,0x6d,0x61,0x6c,0x3b,0x0a,0x20,0x20,0x20,0x20, + 0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x69,0x6e,0x73,0x74,0x5f,0x63,0x6f,0x6c, + 0x3b,0x0a,0x20,0x20,0x20,0x20,0x70,0x6f,0x73,0x20,0x3d,0x20,0x67,0x6c,0x5f,0x50, + 0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, ]; /* #version 300 es precision mediump float; precision highp int; - layout(location = 0) out highp vec4 frag_color; in highp vec4 color; + in highp vec4 pos; + in highp vec4 fnormal; + layout(location = 0) out highp vec4 frag_color; void main() { - frag_color = color; + frag_color = vec4(((color.xyz * 0.300000011920928955078125) + ((color.xyz * max(0.0, dot(normalize(vec3(5.0, 5.0, 2.0) - pos.xyz), fnormal.xyz))) * 0.5)) + (((color.xyz * max(0.0, dot(normalize(vec3(-5.0, -2.0, -2.0) - pos.xyz), fnormal.xyz))) * 0.300000011920928955078125) * vec3(1.0, 0.699999988079071044921875, 0.699999988079071044921875)), 1.0); } */ @@ -158,14 +206,38 @@ fs_trixel_source_glsl300es := u8.[ 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a, 0x70,0x72,0x65,0x63,0x69,0x73,0x69,0x6f,0x6e,0x20,0x6d,0x65,0x64,0x69,0x75,0x6d, 0x70,0x20,0x66,0x6c,0x6f,0x61,0x74,0x3b,0x0a,0x70,0x72,0x65,0x63,0x69,0x73,0x69, - 0x6f,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x69,0x6e,0x74,0x3b,0x0a,0x0a,0x6c, - 0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d, - 0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65, - 0x63,0x34,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x69, + 0x6f,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x69,0x6e,0x74,0x3b,0x0a,0x0a,0x69, 0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65,0x63,0x34,0x20,0x63,0x6f,0x6c, - 0x6f,0x72,0x3b,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29, - 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fs_trixel_source_glsl300es := u8.[ { main0_out out = {}; out.gl_Position = _26.mvp * float4(in.position.xyz + in.inst.xyz, 1.0); + out.fnormal = in.normal; out.color = in.inst_col; + out.pos = out.gl_Position; return out; } @@ -212,32 +289,42 @@ vs_trixel_source_metal_macos := u8.[ 0x74,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20,0x63, 0x6f,0x6c,0x6f,0x72,0x20,0x5b,0x5b,0x75,0x73,0x65,0x72,0x28,0x6c,0x6f,0x63,0x6e, 0x30,0x29,0x5d,0x5d,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34, - 0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x5b,0x5b,0x70, - 0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x5d,0x5d,0x3b,0x0a,0x7d,0x3b,0x0a,0x0a,0x73, - 0x74,0x72,0x75,0x63,0x74,0x20,0x6d,0x61,0x69,0x6e,0x30,0x5f,0x69,0x6e,0x0a,0x7b, - 0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20,0x70,0x6f,0x73,0x69, - 0x74,0x69,0x6f,0x6e,0x20,0x5b,0x5b,0x61,0x74,0x74,0x72,0x69,0x62,0x75,0x74,0x65, - 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out.frag_color = float4(((in.color.xyz * 0.300000011920928955078125) + ((in.color.xyz * fast::max(0.0, dot(fast::normalize(float3(5.0, 5.0, 2.0) - in.pos.xyz), in.fnormal.xyz))) * 0.5)) + (((in.color.xyz * fast::max(0.0, dot(fast::normalize(float3(-5.0, -2.0, -2.0) - in.pos.xyz), in.fnormal.xyz))) * 0.300000011920928955078125) * float3(1.0, 0.699999988079071044921875, 0.699999988079071044921875)), 1.0); return out; } @@ -275,14 +364,42 @@ fs_trixel_source_metal_macos := u8.[ 0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x6d,0x61,0x69,0x6e,0x30,0x5f, 0x69,0x6e,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20, 0x63,0x6f,0x6c,0x6f,0x72,0x20,0x5b,0x5b,0x75,0x73,0x65,0x72,0x28,0x6c,0x6f,0x63, - 0x6e,0x30,0x29,0x5d,0x5d,0x3b,0x0a,0x7d,0x3b,0x0a,0x0a,0x66,0x72,0x61,0x67,0x6d, - 0x65,0x6e,0x74,0x20,0x6d,0x61,0x69,0x6e,0x30,0x5f,0x6f,0x75,0x74,0x20,0x6d,0x61, - 0x69,0x6e,0x30,0x28,0x6d,0x61,0x69,0x6e,0x30,0x5f,0x69,0x6e,0x20,0x69,0x6e,0x20, - 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= 0.0; +const float cirrus = 0.5; +const float cumulus = 0.6; + +// ----- SKY SHADER ------- + +float hash(float n) +{ + return fract(sin(n) * 43758.5453123); +} + +float noise(vec3 x) +{ + vec3 f = fract(x); + float n = dot(floor(x), vec3(1.0, 157.0, 113.0)); + return mix(mix(mix(hash(n + 0.0), hash(n + 1.0), f.x), + mix(hash(n + 157.0), hash(n + 158.0), f.x), f.y), + mix(mix(hash(n + 113.0), hash(n + 114.0), f.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 filmic_aces(vec3 v) +{ + v = v * mat3( + 0.59719f, 0.35458f, 0.04823f, + 0.07600f, 0.90834f, 0.01566f, + 0.02840f, 0.13383f, 0.83777f + ); + return (v * (v + 0.0245786f) - 9.0537e-5f) / + (v * (0.983729f * v + 0.4329510f) + 0.238081f) * mat3( + 1.60475f, -0.53108f, -0.07367f, + -0.10208f, 1.10813f, -0.00605f, + -0.00327f, -0.07276f, 1.07602f + ); +} + +vec3 sky(vec3 skypos, vec3 sunpos) { + vec3 skyBase = vec3(0.3843, 0.8117, 0.9568); + vec3 skyTop = vec3(0.17, 0.4, 0.95); + vec3 sunDisk = vec3(1.0, 1.0, 1.0); + vec3 horizonHalo = vec3(1.0, 1.0, 1.0); + vec3 sunHalo = vec3(1.0, 1.0, 1.0); + + vec3 sunCol = sunDisk.xyz; + vec3 baseSky = skyBase.xyz; + vec3 topSky = skyTop.xyz; + + float sDist = dot(normalize(skypos), normalize(sunpos)); + + vec3 npos = normalize(skypos); + + + vec3 skyGradient = mix(baseSky, topSky, clamp(skypos.y * 2.0, 0.0, 0.7)); + + vec3 final = skyGradient; + final += sunHalo.xyz * clamp((sDist - 0.95) * 10.0, 0.0, 0.8) * 0.2; + + // Sun disk + if(sDist > 0.9999) { + final = sunDisk.xyz; + } + + // Horizon halo + final += mix(horizonHalo.xyz, vec3(0.0,0.0,0.0), clamp(abs(npos.y) * 80.0, 0.0, 1.0)) * 0.1; + + final = vec3(final); + + // Cirrus Clouds + 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; +} + +// --- END SKY ---- + +void main() { + vec3 dir = normalize(pos.xyz); + vec3 color = sky(dir, normalize(vec3(0.6,0.9,0.6))); + frag_color = vec4(color, 1.0); +} +@end + +@program sky vs_sky fs_sky diff --git a/src/shaders/shader_trixel.glsl b/src/shaders/shader_trixel.glsl index 5a876c5..dc6a405 100644 --- a/src/shaders/shader_trixel.glsl +++ b/src/shaders/shader_trixel.glsl @@ -12,23 +12,38 @@ layout(binding=0) uniform vs_params { out vec4 color; out vec4 fnormal; +out vec4 pos; void main() { vec3 instancepos = inst.xyz; gl_Position = mvp * (vec4(position.xyz + instancepos, 1.0)); fnormal = normal; color = inst_col; + pos = gl_Position; } @end @fs fs_trixel in vec4 color; in vec4 fnormal; +in vec4 pos; out vec4 frag_color; void main() { - frag_color = color * 0.1 + fnormal; + + // 2 lights. + vec3 light1 = vec3(5.0, 5.0, 2.0); + vec3 light2 = vec3(-5.0, -2.0, -2.0); + + vec3 albedo = color.xyz; + vec3 light = 0.3 * albedo; + + vec3 light1dir = normalize(light1 - pos.xyz); + vec3 light2dir = normalize(light2 - pos.xyz); + light += max(0.0, dot(light1dir, fnormal.xyz)) * albedo * 0.5; + light += max(0.0, dot(light2dir, fnormal.xyz)) * albedo * 0.3 * vec3(1.0, 0.7, 0.7); + frag_color = vec4(light, 1.0); } @end