Patch_2

leenkx/Shaders/std/gbuffer.glsl

@@ -1,11 +1,11 @@
 #ifndef _GBUFFER_GLSL_
 #define _GBUFFER_GLSL_
 
-vec2 octahedronWrap(const vec2 v) {
+vec2 octahedronWrap(vec2 v) {
 	return (1.0 - abs(v.yx)) * (vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0));
 }
 
-vec3 getNor(const vec2 enc) {
+vec3 getNor(vec2 enc) {
 	vec3 n;
 	n.z = 1.0 - abs(enc.x) - abs(enc.y);
 	n.xy = n.z >= 0.0 ? enc.xy : octahedronWrap(enc.xy);
@@ -13,13 +13,13 @@ vec3 getNor(const vec2 enc) {
 	return n;
 }
 
-vec3 getPosView(const vec3 viewRay, const float depth, const vec2 cameraProj) {
+vec3 getPosView(vec3 viewRay, float depth, vec2 cameraProj) {
 	float linearDepth = cameraProj.y / (cameraProj.x - depth);
 	//float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
 	return viewRay * linearDepth;
 }
 
-vec3 getPos(const vec3 eye, const vec3 eyeLook, const vec3 viewRay, const float depth, const vec2 cameraProj) {
+vec3 getPos(vec3 eye, vec3 eyeLook, vec3 viewRay, float depth, vec2 cameraProj) {
 	// eyeLook, viewRay should be normalized
 	float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
 	float viewZDist = dot(eyeLook, viewRay);
@@ -27,7 +27,7 @@ vec3 getPos(const vec3 eye, const vec3 eyeLook, const vec3 viewRay, const float
 	return wposition;
 }
 
-vec3 getPosNoEye(const vec3 eyeLook, const vec3 viewRay, const float depth, const vec2 cameraProj) {
+vec3 getPosNoEye(vec3 eyeLook, vec3 viewRay, float depth, vec2 cameraProj) {
 	// eyeLook, viewRay should be normalized
 	float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
 	float viewZDist = dot(eyeLook, viewRay);
@@ -36,10 +36,10 @@ vec3 getPosNoEye(const vec3 eyeLook, const vec3 viewRay, const float depth, cons
 }
 
 #if defined(HLSL) || defined(METAL)
-vec3 getPos2(const mat4 invVP, const float depth, vec2 coord) {
+vec3 getPos2(mat4 invVP, float depth, vec2 coord) {
 	coord.y = 1.0 - coord.y;
 #else
-vec3 getPos2(const mat4 invVP, const float depth, const vec2 coord) {
+vec3 getPos2(mat4 invVP, float depth, vec2 coord) {
 #endif
 	vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
 	pos = invVP * pos;
@@ -48,10 +48,10 @@ vec3 getPos2(const mat4 invVP, const float depth, const vec2 coord) {
 }
 
 #if defined(HLSL) || defined(METAL)
-vec3 getPosView2(const mat4 invP, const float depth, vec2 coord) {
+vec3 getPosView2(mat4 invP, float depth, vec2 coord) {
 	coord.y = 1.0 - coord.y;
 #else
-vec3 getPosView2(const mat4 invP, const float depth, const vec2 coord) {
+vec3 getPosView2(mat4 invP, float depth, vec2 coord) {
 #endif
 	vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
 	pos = invP * pos;
@@ -60,10 +60,10 @@ vec3 getPosView2(const mat4 invP, const float depth, const vec2 coord) {
 }
 
 #if defined(HLSL) || defined(METAL)
-vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, vec2 coord) {
+vec3 getPos2NoEye(vec3 eye, mat4 invVP, float depth, vec2 coord) {
 	coord.y = 1.0 - coord.y;
 #else
-vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, const vec2 coord) {
+vec3 getPos2NoEye(vec3 eye, mat4 invVP, float depth, vec2 coord) {
 #endif
 	vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
 	pos = invVP * pos;
@@ -71,24 +71,24 @@ vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, const vec
 	return pos.xyz - eye;
 }
 
-float packFloat(const float f1, const float f2) {
+float packFloat(float f1, float f2) {
 	return floor(f1 * 100.0) + min(f2, 1.0 - 1.0 / 100.0);
 }
 
-vec2 unpackFloat(const float f) {
+vec2 unpackFloat(float f) {
 	return vec2(floor(f) / 100.0, fract(f));
 }
 
-float packFloat2(const float f1, const float f2) {
+float packFloat2(float f1, float f2) {
 	// Higher f1 = less precise f2
 	return floor(f1 * 255.0) + min(f2, 1.0 - 1.0 / 100.0);
 }
 
-vec2 unpackFloat2(const float f) {
+vec2 unpackFloat2(float f) {
 	return vec2(floor(f) / 255.0, fract(f));
 }
 
-vec4 encodeRGBM(const vec3 rgb) {
+vec4 encodeRGBM(vec3 rgb) {
 	const float maxRange = 6.0;
 	float maxRGB = max(rgb.x, max(rgb.g, rgb.b));
 	float m = maxRGB / maxRange;
@@ -96,7 +96,7 @@ vec4 encodeRGBM(const vec3 rgb) {
 	return vec4(rgb / (m * maxRange), m);
 }
 
-vec3 decodeRGBM(const vec4 rgbm) {
+vec3 decodeRGBM(vec4 rgbm) {
 	const float maxRange = 6.0;
 	return rgbm.rgb * rgbm.a * maxRange;
 }
@@ -150,7 +150,7 @@ vec3 decNor(uint val) {
 /**
 	Packs a float in [0, 1] and an integer in [0..15] into a single 16 bit float value.
 **/
-float packFloatInt16(const float f, const uint i) {
+float packFloatInt16(float f, uint i) {
 	const uint numBitFloat = 12;
 	const float maxValFloat = float((1 << numBitFloat) - 1);
 
@@ -160,7 +160,7 @@ float packFloatInt16(const float f, const uint i) {
 	return float(bitsInt | bitsFloat);
 }
 
-void unpackFloatInt16(const float val, out float f, out uint i) {
+void unpackFloatInt16(float val, out float f, out uint i) {
 	const uint numBitFloat = 12;
 	const float maxValFloat = float((1 << numBitFloat) - 1);