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implement depth of field

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This commit is contained in:
Tuomas Katajisto 2025-10-23 22:11:04 +03:00
parent 8489b84660
commit 78014fcb6f
17 changed files with 2046 additions and 317 deletions
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9
game/game.jai
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@ -19,10 +19,11 @@ game_ui :: () {
} }
game_tick :: () { game_tick :: () {
if input_button_states[#char "W"] & .START then char_pos += Vector3.{1.0, 0.0, 0.0}; speed := 0.1;
if input_button_states[#char "S"] & .START then char_pos += Vector3.{-1.0, 0.0, 0.0}; if input_button_states[#char "W"] & .DOWN then char_pos += speed * Vector3.{-1.0, 0.0, 0.0};
if input_button_states[#char "A"] & .START then char_pos += Vector3.{0.0, 0.0, 1.0}; if input_button_states[#char "S"] & .DOWN then char_pos += speed * Vector3.{1.0, 0.0, 0.0};
if input_button_states[#char "D"] & .START then char_pos += Vector3.{0.0, 0.0, -1.0}; if input_button_states[#char "A"] & .DOWN then char_pos += speed * Vector3.{0.0, 0.0, 1.0};
if input_button_states[#char "D"] & .DOWN then char_pos += speed * Vector3.{0.0, 0.0, -1.0};
cam.target = char_pos; cam.target = char_pos;
cam.position = char_pos + .{10,5,0}; cam.position = char_pos + .{10,5,0};
} }

18
game/resources/postprocess.json
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@ -1,8 +1,16 @@
{ {
"exposure": 0.057475, "exposure": -0.239281,
"contrast": 1.075945, "contrast": 1.821381,
"saturation": 1.202777, "saturation": 0.988528,
"gamma": 1.019477, "gamma": 2.194679,
"tonemap": 1, "tonemap": 1,
"ssao": 2.603531 "ssao": 0.864454,
"dilate_separation": 1.318038,
"dilate_size": 7,
"dilate_min": 0.142381,
"dilate_max": 0.242047,
"dof_blur_size": 2,
"dof_min": 2.750411,
"dof_max": 15.987307,
"dof_point": 14.644861
} }

5
game/resources/worlds.json
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@ -214,16 +214,17 @@
},{ },{
"trileName": "pillar_top", "trileName": "pillar_top",
"positions": [ "positions": [
0,2,2,1,0,1,-1,1,-3,2,-1,1,-3,3,2,1 0,2,2,1,0,1,-1,1,-3,2,-1,1,-3,3,2,1,-46,3,-13,1,-46,4,-15,1,-48,4,-15,1,-48,4,-13,1
] ]
},{ },{
"trileName": "test", "trileName": "test",
"positions": [ "positions": [
-3,1,-1,1,0,1,2,1,-3,1,2,1,0,0,2,1,-3,0,2,1,-3,0,-1,1,0,0,-1,1,-3,2,2,1 -3,1,-1,1,0,1,2,1,-3,1,2,1,0,0,2,1,-3,0,2,1,-3,0,-1,1,0,0,-1,1,-3,2,2,1,-46,0,-15,1,-46,0,-13,1,-48,0,-13,1,-48,0,-15,1,-46,1,-15,1,-46,1,-13,1,-48,1,-13,1,-48,1,-15,1,-46,2,-15,1,-46,2,-13,1,-48,2,-13,1,-48,2,-15,1,-48,3,-13,1,-48,3,-15,1,-46,3,-15,1
] ]
},{ },{
"trileName": "plat", "trileName": "plat",
"positions": [ "positions": [
-47,3,-15,1,-47,3,-14,1,-48,3,-14,1,-46,3,-14,1,-47,3,-13,1
] ]
},{ },{
"trileName": "deck", "trileName": "deck",

2
src/main.jai
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@ -35,6 +35,7 @@ V_MINOR :: 5;
state: struct { state: struct {
pass_action_clear : sg_pass_action; pass_action_clear : sg_pass_action;
pass_action_clear_gbuf : sg_pass_action;
pass_action : sg_pass_action; pass_action : sg_pass_action;
dpi_scale : float; dpi_scale : float;
fons : *FONScontext; fons : *FONScontext;
@ -88,6 +89,7 @@ init :: () {
create_pipelines(); create_pipelines();
state.pass_action_clear.colors[0] = .{ load_action = .CLEAR, clear_value = .{ r = 0, g = 0, b = 0, a = 0 } }; state.pass_action_clear.colors[0] = .{ load_action = .CLEAR, clear_value = .{ r = 0, g = 0, b = 0, a = 0 } };
state.pass_action_clear_gbuf.colors[0] = .{ load_action = .CLEAR, clear_value = .{ r = 0, g = 0, b = 1000, a = 0 } };
state.pass_action.colors[0] = .{ load_action = .LOAD }; state.pass_action.colors[0] = .{ load_action = .LOAD };
init_asset_pack_load(); init_asset_pack_load();

36
src/rendering/backend_sokol.jai
View File

@ -30,7 +30,11 @@ backend_handle_command :: (cmd: *Render_Command) {
update_image_from_ground(gen_command.world, *gPipelines.plane.bind.images[1]); update_image_from_ground(gen_command.world, *gPipelines.plane.bind.images[1]);
case .DRAW_GROUND; case .DRAW_GROUND;
ground_command := cast(*Render_Command_Draw_Ground)cmd; ground_command := cast(*Render_Command_Draw_Ground)cmd;
if in_gbuffer_pass {
backend_draw_ground_gbuf(ground_command.worldConfig);
} else {
backend_draw_ground(ground_command.worldConfig); backend_draw_ground(ground_command.worldConfig);
}
case .UPDATE_TRIXELS; case .UPDATE_TRIXELS;
trixel_update_command := cast(*Render_Command_Update_Trixels)cmd; trixel_update_command := cast(*Render_Command_Update_Trixels)cmd;
backend_update_trixels(trixel_update_command); backend_update_trixels(trixel_update_command);
@ -218,6 +222,27 @@ backend_draw_ground :: (wc: *World_Config) {
sg_draw(0, 6, 2); sg_draw(0, 6, 2);
} }
backend_draw_ground_gbuf :: (wc: *World_Config) {
mvp := create_viewproj(*camera);
view := create_lookat(*camera);
vs_params : Gbuffer_Vs_Params;
vs_params.mvp = mvp.floats;
vs_params.view_matrix = view.floats;
vs_params.isGround = 1;
vs_params.planeHeight = wc.planeHeight;
sg_apply_pipeline(gPipelines.gbuffer.pipeline);
bindings : sg_bindings;
bindings.vertex_buffers[0] = g_plane_gbuffer_vertex_buffer;
bindings.vertex_buffers[1] = g_plane_gbuffer_normal_buffer;
bindings.vertex_buffers[2] = g_plane_gbuffer_center_buffer;
bindings.vertex_buffers[3] = g_plane_gbuffer_instance_buffer;
sg_apply_bindings(*bindings);
sg_apply_uniforms(UB_gbuffer_vs_params, *(sg_range.{ ptr = *vs_params, size = size_of(type_of(vs_params))}));
sg_draw(0, 6, 1);
}
backend_process_command_buckets :: () { backend_process_command_buckets :: () {
// 1. Set up textures and buffers. // 1. Set up textures and buffers.
for render_command_buckets.setup { for render_command_buckets.setup {
@ -248,7 +273,7 @@ backend_process_command_buckets :: () {
// 4. G-Buffer pass // 4. G-Buffer pass
in_gbuffer_pass = true; in_gbuffer_pass = true;
sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_gbuf_attachments})); sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear_gbuf, attachments = g_gbuf_attachments}));
for render_command_buckets.gbuffer { for render_command_buckets.gbuffer {
backend_handle_command(it); backend_handle_command(it);
} }
@ -271,9 +296,15 @@ backend_process_command_buckets :: () {
sg_draw(0, 6, 1); sg_draw(0, 6, 1);
sg_end_pass(); sg_end_pass();
sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_ssao_attachments })); sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_ssao_attachments }));
sg_apply_pipeline(gPipelines.op.pipeline); sg_apply_pipeline(gPipelines.op.pipeline);
op_uniform : Op_Fs_Params;
op_uniform.blur_size = 1;
op_uniform.op = 0;
gPipelines.op.bind.images[0] = g_postprocess_a; 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_apply_bindings(*gPipelines.op.bind);
sg_draw(0, 6, 1); sg_draw(0, 6, 1);
sg_end_pass(); sg_end_pass();
@ -286,13 +317,14 @@ backend_process_command_buckets :: () {
sg_end_pass(); sg_end_pass();
current_trile_offset_index = 0; // This is not optimal, but it is nice and simple. current_trile_offset_index = 0; // This is not optimal, but it is nice and simple.
dof_process();
// Begin drawing to swapchain // Begin drawing to swapchain
sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, swapchain = cast,force(sg_swapchain) sglue_swapchain() })); sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, swapchain = cast,force(sg_swapchain) sglue_swapchain() }));
// Draw the render texture and do post processing: // Draw the render texture and do post processing:
sg_apply_pipeline(gPipelines.postprocess.pipeline); sg_apply_pipeline(gPipelines.postprocess.pipeline);
gPipelines.postprocess.bind.images[0] = g_rendertex; gPipelines.postprocess.bind.images[0] = g_postprocess_a;
sg_apply_bindings(*gPipelines.postprocess.bind); sg_apply_bindings(*gPipelines.postprocess.bind);
post_process_config_uniform : Post_Process_Config; post_process_config_uniform : Post_Process_Config;
fill_uniform_with_engine_data(*post_process_config_uniform , *current_post_process); fill_uniform_with_engine_data(*post_process_config_uniform , *current_post_process);

42
src/rendering/backend_sokol_helpers.jai Normal file
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@ -0,0 +1,42 @@
dof_process :: () {
sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, attachments = g_postprocess_attach_a }));
sg_apply_pipeline(gPipelines.op.pipeline);
op_uniform_dilate : Op_Fs_Params;
op_uniform_dilate.blur_size = current_post_process.dof_blur_size;
op_uniform_dilate.op=2;
gPipelines.op.bind.images[0] = g_rendertex;
sg_apply_uniforms(UB_op_fs_params, *(sg_range.{ ptr = *op_uniform_dilate, size = size_of(type_of(op_uniform_dilate)) }));
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.op.pipeline);
op_uniform_dof_blur : Op_Fs_Params;
op_uniform_dof_blur.blur_size = current_post_process.dilate_size;
op_uniform_dof_blur.separation = current_post_process.dilate_separation;
op_uniform_dof_blur.dilate_min = current_post_process.dilate_min;
op_uniform_dof_blur.dilate_max = current_post_process.dilate_max;
op_uniform_dof_blur.op=1;
gPipelines.op.bind.images[0] = g_postprocess_a;
sg_apply_uniforms(UB_op_fs_params, *(sg_range.{ ptr = *op_uniform_dof_blur, size = size_of(type_of(op_uniform_dof_blur)) }));
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_a }));
sg_apply_pipeline(gPipelines.mix.pipeline);
mix_uniform : Mix_Fs_Params;
mix_uniform.op = 0;
mix_uniform.dof_min = current_post_process.dof_min;
mix_uniform.dof_max = current_post_process.dof_max;
mix_uniform.dof_point = current_post_process.dof_point;
gPipelines.mix.bind.images[0] = g_postprocess_b;
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();
}

120
src/rendering/pipelines.jai
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@ -62,6 +62,8 @@ gPipelines : struct {
op : Pipeline_Binding; op : Pipeline_Binding;
mix : Pipeline_Binding;
// Renders the SSAO texture using things from the gbuffer pass. // Renders the SSAO texture using things from the gbuffer pass.
ssao: Pipeline_Binding; ssao: Pipeline_Binding;
} }
@ -136,10 +138,12 @@ create_pipelines :: () {
create_postprocess_pipeline(); create_postprocess_pipeline();
create_ssao_pipeline(); create_ssao_pipeline();
create_op_pipeline(); create_op_pipeline();
create_mix_pipeline();
create_shadowmap_image(); create_shadowmap_image();
create_final_image(); create_final_image();
create_ssao_images(); create_ssao_images();
create_gbuffer_impostors();
} }
create_gbuffer_images :: () { create_gbuffer_images :: () {
@ -469,7 +473,6 @@ create_sky_pipeline :: () {
gPipelines.sky.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer); gPipelines.sky.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer);
} }
// @ToDo: This needs to be redone when the window is resized;
create_plane_pipeline_reflection_images :: () { create_plane_pipeline_reflection_images :: () {
binding := *gPipelines.plane.bind; binding := *gPipelines.plane.bind;
if binding.images[4].id != INVALID_ID then sg_destroy_image(binding.images[4]); if binding.images[4].id != INVALID_ID then sg_destroy_image(binding.images[4]);
@ -689,6 +692,7 @@ create_postprocess_pipeline :: () {
} }
// Takes in a texture, manipulates it and outputs it.
create_op_pipeline :: () { create_op_pipeline :: () {
platconf := get_plat_conf(); platconf := get_plat_conf();
pipeline: sg_pipeline_desc; pipeline: sg_pipeline_desc;
@ -749,6 +753,67 @@ create_op_pipeline :: () {
} }
// Takes in 2-3 textures, and mixes them.
create_mix_pipeline :: () {
platconf := get_plat_conf();
pipeline: sg_pipeline_desc;
shader_desc := mix_shader_desc(sg_query_backend());
pipeline.shader = sg_make_shader(*shader_desc);
pipeline.layout.attrs[ATTR_mix_position] = .{ format = .FLOAT2 };
pipeline.layout.attrs[ATTR_mix_uv] = .{ format = .FLOAT2 };
pipeline.index_type = .UINT16;
color_state := sg_color_target_state.{
blend = .{
enabled = true,
src_factor_rgb = .SRC_ALPHA,
dst_factor_rgb = .ONE_MINUS_SRC_ALPHA
}
};
pipeline.depth = .{
write_enabled = true,
compare = .LESS_EQUAL,
pixel_format = .DEPTH
};
pipeline.color_count = 1;
pipeline.colors[0] = color_state;
gPipelines.mix.pipeline = sg_make_pipeline(*pipeline);
quad_vertices : [16]float = .[
-1.0, 1.0, 0.0, flip_if_plat(1.0), // top-let
-1.0, -1.0, 0.0, flip_if_plat(0.0), // bottom-let
1.0, -1.0, 1.0, flip_if_plat(0.0), // bottom-right
1.0, 1.0, 1.0, flip_if_plat(1.0), // top-right
];
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.mix.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer);
gPipelines.mix.bind.index_buffer = sg_make_buffer(*ibuffer);
gPipelines.mix.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 :: () { create_ssao_images :: () {
if g_ssaobuf.id != INVALID_ID then sg_destroy_image(g_ssaobuf); 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); if g_ssaobuf_depth.id != INVALID_ID then sg_destroy_image(g_ssaobuf_depth);
@ -874,3 +939,56 @@ create_ssao_pipeline :: () {
init_plane_textures :: () { init_plane_textures :: () {
gPipelines.plane.bind.images[3] = create_texture_from_pack("./resources/utiltex/water.png"); gPipelines.plane.bind.images[3] = create_texture_from_pack("./resources/utiltex/water.png");
} }
g_plane_gbuffer_vertex_buffer : sg_buffer;
g_plane_gbuffer_normal_buffer : sg_buffer;
g_plane_gbuffer_center_buffer : sg_buffer;
g_plane_gbuffer_instance_buffer : sg_buffer;
create_gbuffer_impostors :: () {
plane_vertices: [6]Vector3 = .[
.{-1.0, 0.0, -1.0},
.{ 1.0, 0.0, -1.0},
.{ 1.0, 0.0, 1.0},
.{-1.0, 0.0, -1.0},
.{ 1.0, 0.0, 1.0},
.{-1.0, 0.0, 1.0},
];
vbuffer := sg_buffer_desc.{ size = size_of(float) * 18, data = .{
ptr = plane_vertices.data,
size = 6 * 3 * 4
}};
g_plane_gbuffer_vertex_buffer = sg_make_buffer(*vbuffer);
plane_normals: [6]Vector3 = .[
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
];
nbuffer := sg_buffer_desc.{ size = size_of(float) * 18, data = .{
ptr = plane_normals.data,
size = 6 * 3 * 4
}};
g_plane_gbuffer_normal_buffer = sg_make_buffer(*nbuffer);
plane_centers: [2]Vector3 = .[ // these are useless, just to fill the pipeline requirement.
.{0.0, 1.0, 0.0},
.{0.0, 1.0, 0.0},
];
cbuffer := sg_buffer_desc.{ size = size_of(float) * 6, data = .{
ptr = plane_centers.data,
size = 3 * 2 * 4
}};
g_plane_gbuffer_center_buffer = sg_make_buffer(*cbuffer);
instances: [1]Vector4 = .[.{0,0,0,0}];
instance_buffer := sg_buffer_desc.{size = 4 * 4, data = .{
ptr = instances.data,
size = 4*4,
}};
g_plane_gbuffer_instance_buffer = sg_make_buffer(*instance_buffer);
}

8
src/rendering/post_processing.jai
View File

@ -5,6 +5,14 @@ Post_Process :: struct {
gamma : float = 1.0; @Slider,0.3,3.0,0.1; gamma : float = 1.0; @Slider,0.3,3.0,0.1;
tonemap : float = 1.0; @Slider,0,1,1; tonemap : float = 1.0; @Slider,0,1,1;
ssao : float = 1.0; @Slider,0,5,0.1; ssao : float = 1.0; @Slider,0,5,0.1;
dilate_separation : float = 1.0; @Slider,0,6,0.1;
dilate_size : s32 = 2; @Slider,0,10,1;
dilate_min : float = 0.1; @Slider,0,1,0.1;
dilate_max : float = 0.3; @Slider,0,1,0.1;
dof_blur_size : s32 = 2; @Slider,0,10,1;
dof_min : float = 1.0; @Slider,0,10,1;
dof_max : float = 3.0; @Slider,0,20,1;
dof_point : float = 5.0; @Slider,0,30,1;
} }
current_post_process : Post_Process; current_post_process : Post_Process;

1
src/rendering/rendering.jai
View File

@ -17,6 +17,7 @@
#load "helpers.jai"; #load "helpers.jai";
#load "pipelines.jai"; #load "pipelines.jai";
#load "post_processing.jai"; #load "post_processing.jai";
#load "backend_sokol_helpers.jai";
#scope_file #scope_file

2
src/rendering/tasks.jai
View File

@ -115,8 +115,8 @@ tasks_to_commands :: () {
commandDrawGround.worldConfig = *(cast(*Rendering_Task_Ground)it).world.conf; commandDrawGround.worldConfig = *(cast(*Rendering_Task_Ground)it).world.conf;
commandGenGround := New(Render_Command_Generate_Ground_Texture,, temp); commandGenGround := New(Render_Command_Generate_Ground_Texture,, temp);
commandGenGround.world = (cast(*Rendering_Task_Ground)it).world; commandGenGround.world = (cast(*Rendering_Task_Ground)it).world;
array_add(*render_command_buckets.setup, commandGenGround);
array_add(*render_command_buckets.main, commandDrawGround); array_add(*render_command_buckets.main, commandDrawGround);
array_add(*render_command_buckets.gbuffer, commandDrawGround);
case .SET_CAMERA; case .SET_CAMERA;
task := (cast(*Rendering_Task_Set_Camera)it); task := (cast(*Rendering_Task_Set_Camera)it);
command := New(Render_Command_Set_Camera,, temp); command := New(Render_Command_Set_Camera,, temp);

450
src/shaders/jai/shader_gbuffer.jai
View File

@ -30,74 +30,116 @@ UB_gbuffer_vs_params :: 0;
Gbuffer_Vs_Params :: struct { Gbuffer_Vs_Params :: struct {
mvp: [16]float; mvp: [16]float;
view_matrix: [16]float; view_matrix: [16]float;
isGround: s32;
planeHeight: float;
_: [8]u8;
}; };
/* /*
#version 430 #version 430
uniform vec4 gbuffer_vs_params[8]; struct gbuffer_vs_params
{
mat4 mvp;
mat4 view_matrix;
int isGround;
float planeHeight;
};
uniform gbuffer_vs_params _12;
layout(location = 0) in vec4 position; layout(location = 0) in vec4 position;
layout(location = 3) in vec4 instance;
layout(location = 0) out vec3 view_space_pos; layout(location = 0) out vec3 view_space_pos;
layout(location = 1) out vec3 view_space_normal; layout(location = 1) out vec3 view_space_normal;
layout(location = 1) in vec4 normal; layout(location = 1) in vec4 normal;
layout(location = 3) in vec4 instance;
layout(location = 2) in vec4 centre; layout(location = 2) in vec4 centre;
void main() void main()
{ {
vec4 _23 = vec4(position.xyz + instance.xyz, 1.0); if (_12.isGround == 1)
mat4 _33 = mat4(gbuffer_vs_params[4], gbuffer_vs_params[5], gbuffer_vs_params[6], gbuffer_vs_params[7]); {
gl_Position = mat4(gbuffer_vs_params[0], gbuffer_vs_params[1], gbuffer_vs_params[2], gbuffer_vs_params[3]) * _23; vec4 _42 = vec4(position.x * 100.0, _12.planeHeight, position.z * 100.0, 1.0);
view_space_pos = (_33 * _23).xyz; gl_Position = _12.mvp * _42;
view_space_normal = mat3(_33[0].xyz, _33[1].xyz, _33[2].xyz) * normal.xyz; view_space_pos = (_12.view_matrix * _42).xyz;
view_space_normal = mat3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * normal.xyz;
}
else
{
vec4 _92 = vec4(position.xyz + instance.xyz, 1.0);
gl_Position = _12.mvp * _92;
view_space_pos = (_12.view_matrix * _92).xyz;
view_space_normal = mat3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * normal.xyz;
}
} }
*/ */
vs_g_source_glsl430 := u8.[ vs_g_source_glsl430 := u8.[
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]; ];
/* /*
#version 430 #version 430
@ -139,68 +181,106 @@ fs_g_source_glsl430 := u8.[
/* /*
#version 300 es #version 300 es
uniform vec4 gbuffer_vs_params[8]; struct gbuffer_vs_params
{
mat4 mvp;
mat4 view_matrix;
int isGround;
float planeHeight;
};
uniform gbuffer_vs_params _12;
layout(location = 0) in vec4 position; layout(location = 0) in vec4 position;
layout(location = 3) in vec4 instance;
out vec3 view_space_pos; out vec3 view_space_pos;
out vec3 view_space_normal; out vec3 view_space_normal;
layout(location = 1) in vec4 normal; layout(location = 1) in vec4 normal;
layout(location = 3) in vec4 instance;
layout(location = 2) in vec4 centre; layout(location = 2) in vec4 centre;
void main() void main()
{ {
vec4 _23 = vec4(position.xyz + instance.xyz, 1.0); if (_12.isGround == 1)
mat4 _33 = mat4(gbuffer_vs_params[4], gbuffer_vs_params[5], gbuffer_vs_params[6], gbuffer_vs_params[7]); {
gl_Position = mat4(gbuffer_vs_params[0], gbuffer_vs_params[1], gbuffer_vs_params[2], gbuffer_vs_params[3]) * _23; vec4 _42 = vec4(position.x * 100.0, _12.planeHeight, position.z * 100.0, 1.0);
view_space_pos = (_33 * _23).xyz; gl_Position = _12.mvp * _42;
view_space_normal = mat3(_33[0].xyz, _33[1].xyz, _33[2].xyz) * normal.xyz; view_space_pos = (_12.view_matrix * _42).xyz;
view_space_normal = mat3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * normal.xyz;
}
else
{
vec4 _92 = vec4(position.xyz + instance.xyz, 1.0);
gl_Position = _12.mvp * _92;
view_space_pos = (_12.view_matrix * _92).xyz;
view_space_normal = mat3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * normal.xyz;
}
} }
*/ */
vs_g_source_glsl300es := u8.[ vs_g_source_glsl300es := u8.[
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]; ];
/* /*
#version 300 es #version 300 es
@ -253,6 +333,8 @@ fs_g_source_glsl300es := u8.[
{ {
float4x4 mvp; float4x4 mvp;
float4x4 view_matrix; float4x4 view_matrix;
int isGround;
float planeHeight;
}; };
struct main0_out struct main0_out
@ -269,13 +351,23 @@ fs_g_source_glsl300es := u8.[
float4 instance [[attribute(3)]]; float4 instance [[attribute(3)]];
}; };
vertex main0_out main0(main0_in in [[stage_in]], constant gbuffer_vs_params& _28 [[buffer(0)]]) vertex main0_out main0(main0_in in [[stage_in]], constant gbuffer_vs_params& _12 [[buffer(0)]])
{ {
main0_out out = {}; main0_out out = {};
float4 _23 = float4(in.position.xyz + in.instance.xyz, 1.0); if (_12.isGround == 1)
out.gl_Position = _28.mvp * _23; {
out.view_space_pos = (_28.view_matrix * _23).xyz; float4 _42 = float4(in.position.x * 100.0, _12.planeHeight, in.position.z * 100.0, 1.0);
out.view_space_normal = float3x3(_28.view_matrix[0].xyz, _28.view_matrix[1].xyz, _28.view_matrix[2].xyz) * in.normal.xyz; out.gl_Position = _12.mvp * _42;
out.view_space_pos = (_12.view_matrix * _42).xyz;
out.view_space_normal = float3x3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * in.normal.xyz;
}
else
{
float4 _92 = float4(in.position.xyz + in.instance.xyz, 1.0);
out.gl_Position = _12.mvp * _92;
out.view_space_pos = (_12.view_matrix * _92).xyz;
out.view_space_normal = float3x3(_12.view_matrix[0].xyz, _12.view_matrix[1].xyz, _12.view_matrix[2].xyz) * in.normal.xyz;
}
return out; return out;
} }
@ -289,52 +381,80 @@ vs_g_source_metal_macos := u8.[
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0x00,
]; ];
/* /*
#include <metal_stdlib> #include <metal_stdlib>
@ -416,10 +536,19 @@ gbuffer_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
desc.attrs[3].glsl_name = "instance"; desc.attrs[3].glsl_name = "instance";
desc.uniform_blocks[0].stage = .VERTEX; desc.uniform_blocks[0].stage = .VERTEX;
desc.uniform_blocks[0].layout = .STD140; desc.uniform_blocks[0].layout = .STD140;
desc.uniform_blocks[0].size = 128; desc.uniform_blocks[0].size = 144;
desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4; desc.uniform_blocks[0].glsl_uniforms[0].type = .MAT4;
desc.uniform_blocks[0].glsl_uniforms[0].array_count = 8; desc.uniform_blocks[0].glsl_uniforms[0].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "gbuffer_vs_params"; desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "_12.mvp";
desc.uniform_blocks[0].glsl_uniforms[1].type = .MAT4;
desc.uniform_blocks[0].glsl_uniforms[1].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[1].glsl_name = "_12.view_matrix";
desc.uniform_blocks[0].glsl_uniforms[2].type = .INT;
desc.uniform_blocks[0].glsl_uniforms[2].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[2].glsl_name = "_12.isGround";
desc.uniform_blocks[0].glsl_uniforms[3].type = .FLOAT;
desc.uniform_blocks[0].glsl_uniforms[3].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[3].glsl_name = "_12.planeHeight";
case .GLES3; case .GLES3;
desc.vertex_func.source = xx *vs_g_source_glsl300es; desc.vertex_func.source = xx *vs_g_source_glsl300es;
desc.vertex_func.entry = "main"; desc.vertex_func.entry = "main";
@ -435,10 +564,19 @@ gbuffer_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
desc.attrs[3].glsl_name = "instance"; desc.attrs[3].glsl_name = "instance";
desc.uniform_blocks[0].stage = .VERTEX; desc.uniform_blocks[0].stage = .VERTEX;
desc.uniform_blocks[0].layout = .STD140; desc.uniform_blocks[0].layout = .STD140;
desc.uniform_blocks[0].size = 128; desc.uniform_blocks[0].size = 144;
desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4; desc.uniform_blocks[0].glsl_uniforms[0].type = .MAT4;
desc.uniform_blocks[0].glsl_uniforms[0].array_count = 8; desc.uniform_blocks[0].glsl_uniforms[0].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "gbuffer_vs_params"; desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "_12.mvp";
desc.uniform_blocks[0].glsl_uniforms[1].type = .MAT4;
desc.uniform_blocks[0].glsl_uniforms[1].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[1].glsl_name = "_12.view_matrix";
desc.uniform_blocks[0].glsl_uniforms[2].type = .INT;
desc.uniform_blocks[0].glsl_uniforms[2].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[2].glsl_name = "_12.isGround";
desc.uniform_blocks[0].glsl_uniforms[3].type = .FLOAT;
desc.uniform_blocks[0].glsl_uniforms[3].array_count = 0;
desc.uniform_blocks[0].glsl_uniforms[3].glsl_name = "_12.planeHeight";
case .METAL_MACOS; case .METAL_MACOS;
desc.vertex_func.source = xx *vs_g_source_metal_macos; desc.vertex_func.source = xx *vs_g_source_metal_macos;
desc.vertex_func.entry = "main0"; desc.vertex_func.entry = "main0";
@ -450,7 +588,7 @@ gbuffer_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
desc.attrs[3].base_type = .FLOAT; desc.attrs[3].base_type = .FLOAT;
desc.uniform_blocks[0].stage = .VERTEX; desc.uniform_blocks[0].stage = .VERTEX;
desc.uniform_blocks[0].layout = .STD140; desc.uniform_blocks[0].layout = .STD140;
desc.uniform_blocks[0].size = 128; desc.uniform_blocks[0].size = 144;
desc.uniform_blocks[0].msl_buffer_n = 0; desc.uniform_blocks[0].msl_buffer_n = 0;
} }
return desc; return desc;

574
src/shaders/jai/shader_mix.jai Normal file
View File

@ -0,0 +1,574 @@
/*
#version:1# (machine generated, don't edit!)
Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
Cmdline:
sokol-shdc -i shader_mix.glsl -o ./jai/shader_mix.jai -l glsl430:glsl300es:metal_macos -f sokol_jai
Overview:
=========
Shader program: 'mix':
Get shader desc: mix_shader_desc(sg_query_backend())
Vertex Shader: vs_mix
Fragment Shader: fs_mix
Attributes:
ATTR_mix_position => 0
ATTR_mix_uv => 1
Bindings:
Uniform block 'mix_fs_params':
Jai struct: Mix_Fs_Params
Bind slot: UB_mix_fs_params => 1
Image 'mixtex_a':
Image type: ._2D
Sample type: .FLOAT
Multisampled: false
Bind slot: IMG_mixtex_a => 0
Image 'mixtex_b':
Image type: ._2D
Sample type: .FLOAT
Multisampled: false
Bind slot: IMG_mixtex_b => 1
Image 'mixtex_c':
Image type: ._2D
Sample type: .FLOAT
Multisampled: false
Bind slot: IMG_mixtex_c => 2
Sampler 'mixsmp':
Type: .FILTERING
Bind slot: SMP_mixsmp => 0
*/
ATTR_mix_position :: 0;
ATTR_mix_uv :: 1;
UB_mix_fs_params :: 1;
IMG_mixtex_a :: 0;
IMG_mixtex_b :: 1;
IMG_mixtex_c :: 2;
SMP_mixsmp :: 0;
Mix_Fs_Params :: struct {
op: s32;
dof_min: float;
dof_max: float;
dof_point: float;
};
/*
#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_mix_source_glsl430 := u8.[
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];
/*
#version 430
struct mix_fs_params
{
int op;
float dof_min;
float dof_max;
float dof_point;
};
uniform mix_fs_params _10;
layout(binding = 16) uniform sampler2D mixtex_b_mixsmp;
layout(binding = 17) uniform sampler2D mixtex_a_mixsmp;
layout(binding = 18) uniform sampler2D mixtex_c_mixsmp;
layout(location = 0) in vec2 texcoord;
layout(location = 0) out vec4 frag_color;
void main()
{
if (_10.op == 0)
{
frag_color = vec4(mix(texture(mixtex_b_mixsmp, texcoord).xyz, texture(mixtex_a_mixsmp, texcoord).xyz, vec3(smoothstep(_10.dof_min, _10.dof_max, abs(texture(mixtex_c_mixsmp, texcoord).z + _10.dof_point)))), 1.0);
}
else
{
frag_color = vec4(1.0);
}
}
*/
fs_mix_source_glsl430 := u8.[
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];
/*
#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_mix_source_glsl300es := u8.[
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];
/*
#version 300 es
precision mediump float;
precision highp int;
struct mix_fs_params
{
int op;
highp float dof_min;
highp float dof_max;
highp float dof_point;
};
uniform mix_fs_params _10;
uniform highp sampler2D mixtex_b_mixsmp;
uniform highp sampler2D mixtex_a_mixsmp;
uniform highp sampler2D mixtex_c_mixsmp;
in highp vec2 texcoord;
layout(location = 0) out highp vec4 frag_color;
void main()
{
if (_10.op == 0)
{
frag_color = vec4(mix(texture(mixtex_b_mixsmp, texcoord).xyz, texture(mixtex_a_mixsmp, texcoord).xyz, vec3(smoothstep(_10.dof_min, _10.dof_max, abs(texture(mixtex_c_mixsmp, texcoord).z + _10.dof_point)))), 1.0);
}
else
{
frag_color = vec4(1.0);
}
}
*/
fs_mix_source_glsl300es := u8.[
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];
/*
#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_mix_source_metal_macos := u8.[
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];
/*
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct mix_fs_params
{
int op;
float dof_min;
float dof_max;
float dof_point;
};
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 mix_fs_params& _10 [[buffer(0)]], texture2d<float> mixtex_a [[texture(0)]], texture2d<float> mixtex_b [[texture(1)]], texture2d<float> mixtex_c [[texture(2)]], sampler mixsmp [[sampler(0)]])
{
main0_out out = {};
if (_10.op == 0)
{
out.frag_color = float4(mix(mixtex_b.sample(mixsmp, in.texcoord).xyz, mixtex_a.sample(mixsmp, in.texcoord).xyz, float3(smoothstep(_10.dof_min, _10.dof_max, abs(mixtex_c.sample(mixsmp, in.texcoord).z + _10.dof_point)))), 1.0);
}
else
{
out.frag_color = float4(1.0);
}
return out;
}
*/
fs_mix_source_metal_macos := u8.[
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];
mix_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
desc: sg_shader_desc;
desc.label = "mix_shader";
if backend == {
case .GLCORE;
desc.vertex_func.source = xx *vs_mix_source_glsl430;
desc.vertex_func.entry = "main";
desc.fragment_func.source = xx *fs_mix_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[1].stage = .FRAGMENT;
desc.uniform_blocks[1].layout = .STD140;
desc.uniform_blocks[1].size = 16;
desc.uniform_blocks[1].glsl_uniforms[0].type = .INT;
desc.uniform_blocks[1].glsl_uniforms[0].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "_10.op";
desc.uniform_blocks[1].glsl_uniforms[1].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[1].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[1].glsl_name = "_10.dof_min";
desc.uniform_blocks[1].glsl_uniforms[2].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[2].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[2].glsl_name = "_10.dof_max";
desc.uniform_blocks[1].glsl_uniforms[3].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[3].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[3].glsl_name = "_10.dof_point";
desc.images[0].stage = .FRAGMENT;
desc.images[0].multisampled = false;
desc.images[0].image_type = ._2D;
desc.images[0].sample_type = .FLOAT;
desc.images[1].stage = .FRAGMENT;
desc.images[1].multisampled = false;
desc.images[1].image_type = ._2D;
desc.images[1].sample_type = .FLOAT;
desc.images[2].stage = .FRAGMENT;
desc.images[2].multisampled = false;
desc.images[2].image_type = ._2D;
desc.images[2].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 = 1;
desc.image_sampler_pairs[0].sampler_slot = 0;
desc.image_sampler_pairs[0].glsl_name = "mixtex_b_mixsmp";
desc.image_sampler_pairs[1].stage = .FRAGMENT;
desc.image_sampler_pairs[1].image_slot = 0;
desc.image_sampler_pairs[1].sampler_slot = 0;
desc.image_sampler_pairs[1].glsl_name = "mixtex_a_mixsmp";
desc.image_sampler_pairs[2].stage = .FRAGMENT;
desc.image_sampler_pairs[2].image_slot = 2;
desc.image_sampler_pairs[2].sampler_slot = 0;
desc.image_sampler_pairs[2].glsl_name = "mixtex_c_mixsmp";
case .GLES3;
desc.vertex_func.source = xx *vs_mix_source_glsl300es;
desc.vertex_func.entry = "main";
desc.fragment_func.source = xx *fs_mix_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[1].stage = .FRAGMENT;
desc.uniform_blocks[1].layout = .STD140;
desc.uniform_blocks[1].size = 16;
desc.uniform_blocks[1].glsl_uniforms[0].type = .INT;
desc.uniform_blocks[1].glsl_uniforms[0].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "_10.op";
desc.uniform_blocks[1].glsl_uniforms[1].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[1].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[1].glsl_name = "_10.dof_min";
desc.uniform_blocks[1].glsl_uniforms[2].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[2].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[2].glsl_name = "_10.dof_max";
desc.uniform_blocks[1].glsl_uniforms[3].type = .FLOAT;
desc.uniform_blocks[1].glsl_uniforms[3].array_count = 0;
desc.uniform_blocks[1].glsl_uniforms[3].glsl_name = "_10.dof_point";
desc.images[0].stage = .FRAGMENT;
desc.images[0].multisampled = false;
desc.images[0].image_type = ._2D;
desc.images[0].sample_type = .FLOAT;
desc.images[1].stage = .FRAGMENT;
desc.images[1].multisampled = false;
desc.images[1].image_type = ._2D;
desc.images[1].sample_type = .FLOAT;
desc.images[2].stage = .FRAGMENT;
desc.images[2].multisampled = false;
desc.images[2].image_type = ._2D;
desc.images[2].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 = 1;
desc.image_sampler_pairs[0].sampler_slot = 0;
desc.image_sampler_pairs[0].glsl_name = "mixtex_b_mixsmp";
desc.image_sampler_pairs[1].stage = .FRAGMENT;
desc.image_sampler_pairs[1].image_slot = 0;
desc.image_sampler_pairs[1].sampler_slot = 0;
desc.image_sampler_pairs[1].glsl_name = "mixtex_a_mixsmp";
desc.image_sampler_pairs[2].stage = .FRAGMENT;
desc.image_sampler_pairs[2].image_slot = 2;
desc.image_sampler_pairs[2].sampler_slot = 0;
desc.image_sampler_pairs[2].glsl_name = "mixtex_c_mixsmp";
case .METAL_MACOS;
desc.vertex_func.source = xx *vs_mix_source_metal_macos;
desc.vertex_func.entry = "main0";
desc.fragment_func.source = xx *fs_mix_source_metal_macos;
desc.fragment_func.entry = "main0";
desc.attrs[0].base_type = .FLOAT;
desc.attrs[1].base_type = .FLOAT;
desc.uniform_blocks[1].stage = .FRAGMENT;
desc.uniform_blocks[1].layout = .STD140;
desc.uniform_blocks[1].size = 16;
desc.uniform_blocks[1].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.images[1].stage = .FRAGMENT;
desc.images[1].multisampled = false;
desc.images[1].image_type = ._2D;
desc.images[1].sample_type = .FLOAT;
desc.images[1].msl_texture_n = 1;
desc.images[2].stage = .FRAGMENT;
desc.images[2].multisampled = false;
desc.images[2].image_type = ._2D;
desc.images[2].sample_type = .FLOAT;
desc.images[2].msl_texture_n = 2;
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 = 1;
desc.image_sampler_pairs[0].sampler_slot = 0;
desc.image_sampler_pairs[1].stage = .FRAGMENT;
desc.image_sampler_pairs[1].image_slot = 0;
desc.image_sampler_pairs[1].sampler_slot = 0;
desc.image_sampler_pairs[2].stage = .FRAGMENT;
desc.image_sampler_pairs[2].image_slot = 2;
desc.image_sampler_pairs[2].sampler_slot = 0;
}
return desc;
}

945
src/shaders/jai/shader_op.jai
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File diff suppressed because it is too large Load Diff

14
src/shaders/shader_gbuffer.glsl
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@ -2,6 +2,8 @@
layout(binding=0) uniform gbuffer_vs_params { layout(binding=0) uniform gbuffer_vs_params {
mat4 mvp; mat4 mvp;
mat4 view_matrix; mat4 view_matrix;
int isGround;
float planeHeight;
}; };
in vec4 position; in vec4 position;
@ -13,12 +15,20 @@ out vec3 view_space_pos;
out vec3 view_space_normal; out vec3 view_space_normal;
void main() { void main() {
vec4 world_pos = vec4(position.xyz + instance.xyz, 1.0); if (isGround == 1) {
vec4 world_pos = vec4(position.x * 100.0, planeHeight, position.z * 100.0, 1.0);
vec4 view_pos_4 = view_matrix * world_pos; vec4 view_pos_4 = view_matrix * world_pos;
gl_Position = mvp * world_pos; gl_Position = mvp * world_pos;
view_space_pos = view_pos_4.xyz; view_space_pos = view_pos_4.xyz;
view_space_normal = mat3(view_matrix) * normal.xyz; view_space_normal = mat3(view_matrix) * normal.xyz;
} else {
vec4 world_pos = vec4(position.xyz + instance.xyz, 1.0);
vec4 view_pos_4 = view_matrix * world_pos;
gl_Position = mvp * world_pos;
view_space_pos = view_pos_4.xyz;
view_space_normal = mat3(view_matrix) * normal.xyz;
}
} }
@end @end

49
src/shaders/shader_mix.glsl Normal file
View File

@ -0,0 +1,49 @@
@vs vs_mix
in vec2 position;
in vec2 uv;
out vec2 texcoord;
void main() {
gl_Position = vec4(position, 0.5, 1.0);
texcoord = uv;
}
@end
@fs fs_mix
in vec2 texcoord;
out vec4 frag_color;
layout(binding=1) uniform mix_fs_params {
int op;
float dof_min;
float dof_max;
float dof_point;
/*
List of mixs:
0. blur for ssao
1. dilate.
2. normal blur
*/
};
layout(binding = 0) uniform texture2D mixtex_a;
layout(binding = 1) uniform texture2D mixtex_b;
layout(binding = 2) uniform texture2D mixtex_c;
layout(binding = 0) uniform sampler mixsmp;
void main() {
if(op == 0) {
vec2 texelSize = 1.0 / vec2(textureSize(sampler2D(mixtex_a, mixsmp), 0));
vec3 in_focus = texture(sampler2D(mixtex_b, mixsmp), texcoord).rgb;
vec3 out_focus = texture(sampler2D(mixtex_a, mixsmp), texcoord).rgb;
vec4 position = texture(sampler2D(mixtex_c, mixsmp), texcoord);
float blur = smoothstep(dof_min, dof_max, abs(position.z + dof_point));
frag_color = vec4(mix(in_focus, out_focus, blur), 1.0);
} else {
frag_color = vec4(1.0);
}
}
@end
@program mix vs_mix fs_mix

58
src/shaders/shader_op.glsl
View File

@ -14,21 +14,69 @@ void main() {
in vec2 texcoord; in vec2 texcoord;
out vec4 frag_color; out vec4 frag_color;
layout(binding=1) uniform op_fs_params {
int blur_size;
int op;
float separation;
float dilate_min;
float dilate_max;
/*
List of ops:
0. blur for ssao
1. dilate.
2. normal blur
*/
};
layout(binding = 0) uniform texture2D optex; layout(binding = 0) uniform texture2D optex;
layout(binding = 0) uniform sampler opsmp; layout(binding = 0) uniform sampler opsmp;
void main() { void main() {
if(op == 2) {
vec2 texelSize = 1.0 / vec2(textureSize(sampler2D(optex, opsmp), 0));
vec3 result = vec3(0.0);
for (int x = -blur_size; x < blur_size; ++x)
{
for (int y = -blur_size; y < blur_size; ++y)
{
vec2 offset = vec2(float(x), float(y)) * texelSize;
result += texture(sampler2D(optex, opsmp), texcoord + offset).xyz;
}
}
frag_color = vec4((result / (blur_size*2 * blur_size*2)), 1.0);
}
else if(op == 1) {
float minThreshold = dilate_min;
float maxThreshold = dilate_max;
vec2 texSize = textureSize(sampler2D(optex, opsmp), 0).xy;
vec2 fragCoord = gl_FragCoord.xy;
frag_color = texture(sampler2D(optex, opsmp), fragCoord / texSize);
if (blur_size <= 0) { return; }
float mx = 0.0;
vec4 cmx = frag_color;
for (int i = -blur_size; i <= blur_size; ++i) {
for (int j = -blur_size; j <= blur_size; ++j) {
if (!(distance(vec2(i, j), vec2(0, 0)) <= blur_size)) { continue; }
vec4 c = texture(sampler2D(optex,opsmp),(gl_FragCoord.xy + (vec2(i, j) * separation)) / texSize);
float mxt = dot(c.rgb, vec3(0.3, 0.59, 0.11));
if (mxt > mx) {
mx = mxt;
cmx = c;
}
}
}
frag_color.rgb = mix(frag_color.rgb, cmx.rgb, smoothstep(minThreshold, maxThreshold, mx));
} else {
vec2 texelSize = 1.0 / vec2(textureSize(sampler2D(optex, opsmp), 0)); vec2 texelSize = 1.0 / vec2(textureSize(sampler2D(optex, opsmp), 0));
float result = 0.0; float result = 0.0;
for (int x = -2; x < 2; ++x) for (int x = -blur_size; x < blur_size; ++x) {
{ for (int y = -blur_size; y < blur_size; ++y) {
for (int y = -2; y < 2; ++y)
{
vec2 offset = vec2(float(x), float(y)) * texelSize; vec2 offset = vec2(float(x), float(y)) * texelSize;
result += texture(sampler2D(optex, opsmp), texcoord + offset).r; result += texture(sampler2D(optex, opsmp), texcoord + offset).r;
} }
} }
frag_color = vec4(vec3(result / (4.0 * 4.0)), 1.0); frag_color = vec4(vec3(result / (blur_size*2 * blur_size*2)), 1.0);
}
} }
@end @end

BIN
trueno/trueno.xcodeproj/project.xcworkspace/xcuserdata/tuomas.katajisto.xcuserdatad/UserInterfaceState.xcuserstate generated
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