*camera

1 files changed, 9 insertions, 2 deletions

diff --git a/src/shaders/pbr.c b/src/shaders/pbr.c
index 6db3d68..666f758 100644
--- a/src/shaders/pbr.c
+++ b/src/shaders/pbr.c
@@ -15,7 +15,7 @@
 #define _rough            reg_num_00
 #define _world_pos        reg_v3_00
 #define _depth_pos        reg_v3_01
-#define _clip_pos         reg_v4_00
+#define _clip_pos         reg_v2_01
 #define _world_normal     reg_v3_02 
 #define _world_tangent    reg_v3_03
 #define _world_bitangent  reg_v3_04
@@ -34,6 +34,8 @@ static void vert(UniformCollection* uniforms, VertexShaderIn* in, Vec4* clipcoor
 	//*rough = 1 - vec3_dot(&worldnormal, light);
 	//*vnormal = in->vertex->normal;
 	*_texcoord = in->vertex->texcoord;
+	_clip_pos->x = clipcoord->z;
+	_clip_pos->y = clipcoord->w;
 }
 
 static bool frag(UniformCollection* uniforms, FragmentShaderIn* in, Color32* color) {
@@ -46,11 +48,15 @@ static bool frag(UniformCollection* uniforms, FragmentShaderIn* in, Color32* col
 	//(*color).a = 1;
 	//return 1;
 	//float rough = 1- vec3_dot(&in->normal, light);
+	float depth = _clip_pos->x / _clip_pos->y;
+	depth = (depth + 1) / 2;
+	depth = linear01depth(depth);
 	Color32 c = tex2d(_albedo_tex, _texcoord);
 	//Color32 nc = tex2d(noramltex, in->texcoord);
 	//vec3_scale(&c, roughness, &c);
 	color32_saturate(&c);
 	*color = c;
+	vec3_scale(color, 1 - depth, color);
 	return 1;
 }
 
@@ -64,5 +70,6 @@ Program ssr_built_in_shader_pbr = {
 	//VARYING_V3_04 |
 	//VARYING_V4_00 |
 	VARYING_V2_00 | 
-	VARYING_V3_05
+	VARYING_V3_05 | 
+	VARYING_V2_01 
 };