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GameDevWeek
Dependencies
Cpp
mirrage
Commits
5562d169
Commit
5562d169
authored
Mar 13, 2019
by
Florian Oetke
Browse files
basic transparent pass for particles
parent
95944522
Changes
18
Expand all
Hide whitespace changes
Inline
Side-by-side
assets/demo_assets/particles/test_smoke_particles.json
View file @
5562d169
...
...
@@ -2,123 +2,123 @@
"keyframes"
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:{
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5
"drag"
:
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1
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{
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"alpha"
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:{
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{
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:
{
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5
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:{
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1
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:
{
"mean"
:{
"angle"
:
0
},
"stddev"
:{
"angle"
:
1
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:
{
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:
0.6
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"y"
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0.666
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"z"
:
0.2
,
"w"
:
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"drag"
:
0.
5
"drag"
:
0.
1
},
{
"time"
:
1.5
,
"color"
:
{
"mean"
:{
"value"
:
0.8
},
"stddev"
:{
"value"
:
0.2
}},
"size"
:
{
"mean"
:
{
"x"
:
0.
08
},
"stddev"
:{
"x"
:
0.
04
}},
"color"
:
{
"mean"
:{
"value"
:
0.8
,
"alpha"
:
0.5
},
"stddev"
:{
"value"
:
0.2
}},
"size"
:
{
"mean"
:
{
"x"
:
0.
5
},
"stddev"
:{
"x"
:
0.
1
}},
"rotation"
:
{
"mean"
:{
"angle"
:
0
},
"stddev"
:{
"angle"
:
1
}},
"clip_rect"
:
{
"x"
:
0.8
,
"y"
:
0.666
,
"z"
:
0.2
,
"w"
:
0.333
},
"drag"
:
0.
5
"drag"
:
0.
1
}
],
...
...
@@ -126,7 +126,7 @@
"symmetric_scaling"
:
true
,
"rotate_with_velocity"
:
false
,
"blend"
:
"
solid
"
,
"blend"
:
"
transparent
"
,
"geometry"
:
"billboard"
,
"material_id"
:
"tex:smoke_particle.ktx"
,
...
...
assets/demo_assets/particles/test_smoke_system.json
View file @
5562d169
...
...
@@ -10,7 +10,7 @@
"ttl"
:
{
"mean"
:
20
,
"stddev"
:
4
},
"velocity"
:
{
"mean"
:
0.
5
,
"stddev"
:
0.
3
},
"velocity"
:
{
"mean"
:
0.
01
,
"stddev"
:
0.
008
},
"emit_script_id"
:
"comp_shader:particle_spawn_sphere"
,
...
...
src/demo/src/game_engine.cpp
View file @
5562d169
...
...
@@ -17,6 +17,7 @@
#include
<mirrage/renderer/pass/ssao_pass.hpp>
#include
<mirrage/renderer/pass/taa_pass.hpp>
#include
<mirrage/renderer/pass/tone_mapping_pass.hpp>
#include
<mirrage/renderer/pass/transparent_pass.hpp>
namespace
mirrage
{
...
...
@@ -43,6 +44,7 @@ namespace mirrage {
renderer
::
make_pass_factory
<
renderer
::
Gen_mipmap_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Ssao_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Gi_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Transparent_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Taa_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Depth_of_field_pass_factory
>
(),
renderer
::
make_pass_factory
<
renderer
::
Bloom_pass_factory
>
(),
...
...
src/mirrage/renderer/CMakeLists.txt
View file @
5562d169
...
...
@@ -60,6 +60,7 @@ add_library(mirrage_renderer STATIC
src/pass/ssao_pass.cpp
src/pass/taa_pass.cpp
src/pass/tone_mapping_pass.cpp
src/pass/transparent_pass.cpp
src/animation.cpp
src/animation_comp.cpp
...
...
src/mirrage/renderer/assets/assets_mirrage_renderer_shader.map
View file @
5562d169
...
...
@@ -41,6 +41,11 @@ frag_shader:model_alphatest = shader/model_alphatest.frag.spv
vert_shader:particle = shader/particle.vert.spv
frag_shader:particle_solid = shader/particle_solid.frag.spv
frag_shader:particle_transparent_lit = shader/particle_transparent_lit.frag.spv
frag_shader:particle_transparent_unlit = shader/particle_transparent_unlit.frag.spv
vert_shader:transparent_compose = shader/fullscreen.vert.spv
frag_shader:transparent_compose = shader/transparent_compose.frag.spv
vert_shader:ui = shader/ui.vert.spv
frag_shader:ui = shader/ui.frag.spv
...
...
src/mirrage/renderer/include/mirrage/renderer/deferred_renderer.hpp
View file @
5562d169
...
...
@@ -52,6 +52,8 @@ namespace mirrage::renderer {
float
max_display_luminance
=
150.0
f
;
float
amient_light_intensity
=
0.1
f
;
int
transparent_particle_mip_level
=
1
;
bool
taa
=
true
;
bool
ssao
=
true
;
bool
bloom
=
true
;
...
...
@@ -79,6 +81,7 @@ namespace mirrage::renderer {
min_display_luminance
,
max_display_luminance
,
amient_light_intensity
,
transparent_particle_mip_level
,
taa
,
ssao
,
bloom
,
...
...
@@ -236,6 +239,8 @@ namespace mirrage::renderer {
auto
noise_descriptor_set_layout
()
const
noexcept
{
return
*
_noise_descriptor_set_layout
;
}
auto
noise_descriptor_set
()
const
noexcept
{
return
*
_noise_descriptor_set
;
}
auto
billboard_model
()
const
noexcept
->
auto
&
{
return
_billboard_model
;
}
auto
model_material_sampler
()
const
noexcept
{
return
_factory
->
model_material_sampler
();
}
auto
model_descriptor_set_layout
()
const
noexcept
{
return
_factory
->
model_descriptor_set_layout
();
}
...
...
@@ -292,6 +297,8 @@ namespace mirrage::renderer {
graphic
::
Image_descriptor_set_layout
_noise_descriptor_set_layout
;
graphic
::
DescriptorSet
_noise_descriptor_set
;
Model
_billboard_model
;
std
::
vector
<
Render_pass_factory
*>
_pass_factories
;
std
::
vector
<
std
::
unique_ptr
<
Render_pass
>>
_passes
;
...
...
src/mirrage/renderer/include/mirrage/renderer/pass/deferred_geometry_subpass.hpp
View file @
5562d169
...
...
@@ -46,8 +46,6 @@ namespace mirrage::renderer {
ecs
::
Entity_manager
&
_ecs
;
Deferred_renderer
&
_renderer
;
Model
_particle_billboard
;
util
::
iter_range
<
std
::
vector
<
Geometry
>::
iterator
>
_geometry_range
;
util
::
iter_range
<
std
::
vector
<
Geometry
>::
iterator
>
_rigged_geometry_range
;
...
...
src/mirrage/renderer/include/mirrage/renderer/pass/transparent_pass.hpp
0 → 100644
View file @
5562d169
#pragma once
#include
<mirrage/renderer/deferred_renderer.hpp>
#include
<mirrage/graphic/render_pass.hpp>
namespace
mirrage
::
renderer
{
class
Transparent_pass_factory
;
class
Transparent_pass
:
public
Render_pass
{
public:
using
Factory
=
Transparent_pass_factory
;
Transparent_pass
(
Deferred_renderer
&
,
graphic
::
Render_target_2D
&
target
);
void
update
(
util
::
Time
dt
)
override
;
void
draw
(
Frame_data
&
)
override
;
auto
name
()
const
noexcept
->
const
char
*
override
{
return
"Transparent"
;
}
private:
Deferred_renderer
&
_renderer
;
vk
::
Format
_revealage_format
;
graphic
::
Render_target_2D
_accum
;
graphic
::
Render_target_2D
_revealage
;
vk
::
UniqueSampler
_sampler
;
graphic
::
Image_descriptor_set_layout
_desc_set_layout
;
graphic
::
DescriptorSet
_accum_descriptor_set
;
std
::
vector
<
graphic
::
DescriptorSet
>
_compose_descriptor_sets
;
std
::
vector
<
graphic
::
Framebuffer
>
_accum_framebuffers
;
graphic
::
Render_pass
_accum_render_pass
;
graphic
::
Framebuffer
_compose_framebuffer
;
graphic
::
Render_pass
_compose_render_pass
;
};
class
Transparent_pass_factory
:
public
Render_pass_factory
{
public:
auto
id
()
const
noexcept
->
Render_pass_id
override
{
return
render_pass_id_of
<
Transparent_pass_factory
>
();
}
auto
create_pass
(
Deferred_renderer
&
,
util
::
maybe
<
ecs
::
Entity_manager
&>
,
Engine
&
,
bool
&
)
->
std
::
unique_ptr
<
Render_pass
>
override
;
auto
rank_device
(
vk
::
PhysicalDevice
,
util
::
maybe
<
std
::
uint32_t
>
,
int
)
->
int
override
;
void
configure_device
(
vk
::
PhysicalDevice
,
util
::
maybe
<
std
::
uint32_t
>
,
graphic
::
Device_create_info
&
)
override
;
};
}
// namespace mirrage::renderer
src/mirrage/renderer/shader/particle_transparent_lit.frag
0 → 100644
View file @
5562d169
#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
#include
"global_uniforms.glsl"
#include
"normal_encoding.glsl"
#include
"particle/data_structures.glsl"
layout
(
early_fragment_tests
)
in
;
layout
(
location
=
0
)
in
vec3
view_pos
;
layout
(
location
=
1
)
in
vec3
normal
;
layout
(
location
=
2
)
in
vec2
tex_coords
;
layout
(
location
=
3
)
in
vec4
out_particle_color
;
layout
(
location
=
0
)
out
vec4
accum_out
;
layout
(
location
=
1
)
out
vec4
revealage_out
;
layout
(
set
=
1
,
binding
=
0
)
uniform
sampler2D
albedo_sampler
;
layout
(
set
=
1
,
binding
=
1
)
uniform
sampler2D
normal_sampler
;
layout
(
set
=
1
,
binding
=
2
)
uniform
sampler2D
brdf_sampler
;
layout
(
set
=
1
,
binding
=
3
)
uniform
sampler2D
emission_sampler
;
layout
(
std140
,
set
=
2
,
binding
=
0
)
readonly
buffer
Particle_type_config
{
PARTICLE_TYPE_CONFIG
}
particle_config
;
layout
(
push_constant
)
uniform
Per_model_uniforms
{
mat4
model
;
vec4
light_color
;
vec4
options
;
}
model_uniforms
;
const
float
PI
=
3
.
14159265359
;
vec3
decode_tangent_normal
(
vec2
tn
);
vec3
tangent_space_to_world
(
vec3
N
);
void
main
()
{
vec4
albedo
=
texture
(
albedo_sampler
,
tex_coords
);
albedo
*=
out_particle_color
;
if
(
albedo
.
a
<
0
.
001
)
{
discard
;
}
vec3
N
=
tangent_space_to_world
(
decode_tangent_normal
(
texture
(
normal_sampler
,
tex_coords
).
rg
));
vec4
brdf
=
texture
(
brdf_sampler
,
tex_coords
);
float
roughness
=
brdf
.
r
;
float
metallic
=
brdf
.
g
;
roughness
=
mix
(
0
.
01
,
0
.
99
,
roughness
*
roughness
);
float
emissive_power
=
texture
(
emission_sampler
,
tex_coords
).
r
;
vec4
result_color
=
vec4
(
0
,
0
,
0
,
0
);
vec3
transmit
=
vec3
(
1
.
0
-
albedo
.
a
);
result_color
.
rgb
+=
albedo
.
rgb
*
emissive_power
*
albedo
.
a
;
// TODO: lighting
result_color
+=
vec4
(
albedo
.
rgb
*
albedo
.
a
,
albedo
.
a
);
/* Modulate the net coverage for composition by the transmission. This does not affect the color channels of the
transparent surface because the caller's BSDF model should have already taken into account if transmission modulates
reflection. This model doesn't handled colored transmission, so it averages the color channels. See
McGuire and Enderton, Colored Stochastic Shadow Maps, ACM I3D, February 2011
http://graphics.cs.williams.edu/papers/CSSM/
for a full explanation and derivation.*/
result_color
.
a
*=
1
.
0
-
clamp
((
transmit
.
r
+
transmit
.
g
+
transmit
.
b
)
*
(
1
.
0
/
3
.
0
),
0
,
1
);
/* You may need to adjust the w function if you have a very large or very small view volume; see the paper and
presentation slides at http://jcgt.org/published/0002/02/09/ */
// Intermediate terms to be cubed
float
a
=
min
(
1
.
0
,
result_color
.
a
)
*
8
.
0
+
0
.
01
;
float
b
=
-
gl_FragCoord
.
z
*
0
.
95
+
1
.
0
;
/* If your scene has a lot of content very close to the far plane,
then include this line (one rsqrt instruction):
b /= sqrt(1e4 * abs(csZ)); */
float
w
=
clamp
(
a
*
a
*
a
*
1e8
*
b
*
b
*
b
,
1e-2
,
3e2
);
accum_out
=
result_color
*
w
;
revealage_out
=
vec4
(
result_color
.
a
,
0
,
0
,
0
);
}
vec3
decode_tangent_normal
(
vec2
tn
)
{
if
(
dot
(
tn
,
tn
)
<
0
.
00001
)
return
vec3
(
0
,
0
,
1
);
vec3
N
=
vec3
(
tn
*
2
-
1
,
0
);
N
.
z
=
sqrt
(
1
-
dot
(
N
.
xy
,
N
.
xy
));
return
N
;
}
vec3
tangent_space_to_world
(
vec3
N
)
{
vec3
VN
=
normalize
(
normal
);
// calculate tangent
vec3
p_dx
=
dFdx
(
view_pos
);
vec3
p_dy
=
dFdy
(
view_pos
);
vec2
tc_dx
=
dFdx
(
tex_coords
);
vec2
tc_dy
=
dFdy
(
tex_coords
);
vec3
p_dy_N
=
cross
(
p_dy
,
VN
);
vec3
p_dx_N
=
cross
(
VN
,
p_dx
);
vec3
T
=
p_dy_N
*
tc_dx
.
x
+
p_dx_N
*
tc_dy
.
x
;
vec3
B
=
p_dy_N
*
tc_dx
.
y
+
p_dx_N
*
tc_dy
.
y
;
float
inv_max
=
inversesqrt
(
max
(
dot
(
T
,
T
),
dot
(
B
,
B
)));
mat3
TBN
=
mat3
(
T
*
inv_max
,
B
*
inv_max
,
VN
);
return
normalize
(
TBN
*
N
);
}
src/mirrage/renderer/shader/particle_transparent_unlit.frag
0 → 100644
View file @
5562d169
#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
#include
"global_uniforms.glsl"
#include
"normal_encoding.glsl"
#include
"particle/data_structures.glsl"
layout
(
early_fragment_tests
)
in
;
layout
(
location
=
0
)
in
vec3
view_pos
;
layout
(
location
=
1
)
in
vec3
normal
;
layout
(
location
=
2
)
in
vec2
tex_coords
;
layout
(
location
=
3
)
in
vec4
out_particle_color
;
layout
(
location
=
0
)
out
vec4
depth_out
;
layout
(
location
=
1
)
out
vec4
albedo_mat_id_out
;
layout
(
location
=
2
)
out
vec4
mat_data_out
;
layout
(
location
=
3
)
out
vec4
color_out
;
layout
(
location
=
4
)
out
vec4
color_diffuse_out
;
layout
(
set
=
1
,
binding
=
0
)
uniform
sampler2D
albedo_sampler
;
layout
(
set
=
1
,
binding
=
1
)
uniform
sampler2D
normal_sampler
;
layout
(
set
=
1
,
binding
=
2
)
uniform
sampler2D
brdf_sampler
;
layout
(
set
=
1
,
binding
=
3
)
uniform
sampler2D
emission_sampler
;
layout
(
std140
,
set
=
2
,
binding
=
0
)
readonly
buffer
Particle_type_config
{
PARTICLE_TYPE_CONFIG
}
particle_config
;
layout
(
push_constant
)
uniform
Per_model_uniforms
{
mat4
model
;
vec4
light_color
;
vec4
options
;
}
model_uniforms
;
const
float
PI
=
3
.
14159265359
;
vec3
decode_tangent_normal
(
vec2
tn
);
vec3
tangent_space_to_world
(
vec3
N
);
void
main
()
{
vec4
albedo
=
texture
(
albedo_sampler
,
tex_coords
);
albedo
*=
out_particle_color
;
vec3
N
=
tangent_space_to_world
(
decode_tangent_normal
(
texture
(
normal_sampler
,
tex_coords
).
rg
));
vec4
brdf
=
texture
(
brdf_sampler
,
tex_coords
);
float
roughness
=
brdf
.
r
;
float
metallic
=
brdf
.
g
;
roughness
=
mix
(
0
.
01
,
0
.
99
,
roughness
*
roughness
);
depth_out
=
vec4
(
-
view_pos
.
z
/
global_uniforms
.
proj_planes
.
y
,
0
,
0
,
1
);
albedo_mat_id_out
=
vec4
(
albedo
.
rgb
,
0
.
0
);
mat_data_out
=
vec4
(
encode_normal
(
N
),
roughness
,
metallic
);
float
emissive_power
=
texture
(
emission_sampler
,
tex_coords
).
r
;
color_out
=
vec4
(
albedo
.
rgb
*
emissive_power
*
albedo
.
a
,
1
.
0
);
color_diffuse_out
=
color_out
;
}
vec3
decode_tangent_normal
(
vec2
tn
)
{
if
(
dot
(
tn
,
tn
)
<
0
.
00001
)
return
vec3
(
0
,
0
,
1
);
vec3
N
=
vec3
(
tn
*
2
-
1
,
0
);
N
.
z
=
sqrt
(
1
-
dot
(
N
.
xy
,
N
.
xy
));
return
N
;
}
vec3
tangent_space_to_world
(
vec3
N
)
{
vec3
VN
=
normalize
(
normal
);
// calculate tangent
vec3
p_dx
=
dFdx
(
view_pos
);
vec3
p_dy
=
dFdy
(
view_pos
);
vec2
tc_dx
=
dFdx
(
tex_coords
);
vec2
tc_dy
=
dFdy
(
tex_coords
);
vec3
p_dy_N
=
cross
(
p_dy
,
VN
);
vec3
p_dx_N
=
cross
(
VN
,
p_dx
);
vec3
T
=
p_dy_N
*
tc_dx
.
x
+
p_dx_N
*
tc_dy
.
x
;
vec3
B
=
p_dy_N
*
tc_dx
.
y
+
p_dx_N
*
tc_dy
.
y
;
float
inv_max
=
inversesqrt
(
max
(
dot
(
T
,
T
),
dot
(
B
,
B
)));
mat3
TBN
=
mat3
(
T
*
inv_max
,
B
*
inv_max
,
VN
);
return
normalize
(
TBN
*
N
);
}
src/mirrage/renderer/shader/transparent_compose.frag
0 → 100644
View file @
5562d169
#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
#include
"global_uniforms.glsl"
#include
"normal_encoding.glsl"
#include
"poisson.glsl"
#include
"random.glsl"
#include
"brdf.glsl"
layout
(
location
=
0
)
in
Vertex_data
{
vec2
tex_coords
;
}
vertex_out
;
