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Addition of SDFGI for open world global illumination

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Move GI to a deferred pass
This commit is contained in:
Juan Linietsky
2020-06-25 10:33:28 -03:00
parent b92477d77e
commit 201d606b3d
53 changed files with 8966 additions and 1033 deletions
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10
servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl
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@@ -12,11 +12,8 @@ layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly image2D ssr_ima
#ifdef MODE_ROUGH
layout(r8, set = 1, binding = 1) uniform restrict writeonly image2D blur_radius_image;
#endif
layout(rgba8, set = 2, binding = 0) uniform restrict readonly image2D source_normal;
layout(rgba8, set = 2, binding = 0) uniform restrict readonly image2D source_normal_roughness;
layout(set = 3, binding = 0) uniform sampler2D source_metallic;
#ifdef MODE_ROUGH
layout(set = 3, binding = 1) uniform sampler2D source_roughness;
#endif
layout(push_constant, binding = 2, std430) uniform Params {
vec4 proj_info;
@@ -75,7 +72,8 @@ void main() {
// World space point being shaded
vec3 vertex = reconstructCSPosition(uv * vec2(params.screen_size), base_depth);
vec3 normal = imageLoad(source_normal, ssC).xyz * 2.0 - 1.0;
vec4 normal_roughness = imageLoad(source_normal_roughness, ssC);
vec3 normal = normal_roughness.xyz * 2.0 - 1.0;
normal = normalize(normal);
normal.y = -normal.y; //because this code reads flipped
@@ -208,7 +206,7 @@ void main() {
// if roughness is enabled, do screen space cone tracing
float blur_radius = 0.0;
float roughness = texelFetch(source_roughness, ssC << 1, 0).r;
float roughness = normal_roughness.w;
if (roughness > 0.001) {
float cone_angle = min(roughness, 0.999) * M_PI * 0.5;