From 2eda9314adb0bceb1c369b71987b4817ff3e1ef4 Mon Sep 17 00:00:00 2001
From: luboslenco <lubos.lenco@gmail.com>
Date: Sat, 16 Nov 2024 01:21:56 +0100
Subject: [PATCH] gles fixes done

---
 armorpaint/shaders/dilate_pass.frag.glsl | 39 ++++++++++--------------
 base/shaders/ssao_blur_pass.frag.glsl    | 23 ++++----------
 2 files changed, 22 insertions(+), 40 deletions(-)

diff --git a/armorpaint/shaders/dilate_pass.frag.glsl b/armorpaint/shaders/dilate_pass.frag.glsl
index e6df46aa9..75792d2d5 100644
--- a/armorpaint/shaders/dilate_pass.frag.glsl
+++ b/armorpaint/shaders/dilate_pass.frag.glsl
@@ -8,53 +8,46 @@ in vec2 tex_coord;
 out vec4 frag_color;
 
 #ifdef ESSL
-#define CONST_ARRAY_BEGIN(t, v, n) const t v[n] = t[](
-#define CONST_ARRAY_END() );
+const vec2 offsets[8] = vec2[](
+	vec2(-1.0,  0.0), vec2( 1.0,  0.0), vec2( 0.0,  1.0), vec2( 0.0, -1.0),
+	vec2(-1.0,  1.0), vec2( 1.0,  1.0), vec2( 1.0, -1.0), vec2(-1.0, -1.0)
+);
 #else
-#define CONST_ARRAY_BEGIN(t, v, n) const t v[n] = {
-#define CONST_ARRAY_END() };
+const vec2 offsets[8] = {
+	vec2(-1.0,  0.0), vec2( 1.0,  0.0), vec2( 0.0,  1.0), vec2( 0.0, -1.0),
+	vec2(-1.0,  1.0), vec2( 1.0,  1.0), vec2( 1.0, -1.0), vec2(-1.0, -1.0)
+};
 #endif
 
-CONST_ARRAY_BEGIN(vec2, offsets, 8)
-	vec2(-1.0,  0.0),
-	vec2( 1.0,  0.0),
-	vec2( 0.0,  1.0),
-	vec2( 0.0, -1.0),
-	vec2(-1.0,  1.0),
-	vec2( 1.0,  1.0),
-	vec2( 1.0, -1.0),
-	vec2(-1.0, -1.0)
-CONST_ARRAY_END()
-
 void main() {
 	// Based on https://shaderbits.com/blog/uv-dilation by Ryan Brucks
-	vec2 size = textureSize(tex, 0).xy;
+	vec2 size = vec2(textureSize(tex, 0).xy);
 	vec2 texel_size = vec2(1.0, 1.0) / size;
 	float min_dist = 10000000.0;
 	ivec2 coord = ivec2(tex_coord * size);
 	float mask = texelFetch(texdilate, coord, 0).r;
-	if (mask > 0) discard;
+	if (mask > 0.0) discard;
 
 	frag_color = texelFetch(tex, coord, 0);
 	int i = 0;
-	while (i < dilate_radius) {
+	while (i < int(dilate_radius)) {
 		i++;
 		int j = 0;
 		while (j < 8) {
-			vec2 cur_uv = tex_coord + offsets[j] * texel_size * i;
+			vec2 cur_uv = tex_coord + offsets[j] * texel_size * vec2(i, i);
 			coord = ivec2(cur_uv * size);
 			float offset_mask = texelFetch(texdilate, coord, 0).r;
 			vec4 offset_col = texelFetch(tex, coord, 0);
 
-			if (offset_mask != 0) {
+			if (offset_mask != 0.0) {
 				float cur_dist = length(tex_coord - cur_uv);
 				if (cur_dist < min_dist) {
-					vec2 project_uv = cur_uv + offsets[j] * texel_size * i * 0.25;
+					vec2 project_uv = cur_uv + offsets[j] * texel_size * vec2(i, i) * vec2(0.25, 0.25);
 					vec4 direction = textureLod(tex, project_uv, 0.0);
 					min_dist = cur_dist;
-					if (direction.x != 0 || direction.y != 0 || direction.z != 0) {
+					if (direction.x != 0.0 || direction.y != 0.0 || direction.z != 0.0) {
 						vec4 delta = offset_col - direction;
-						frag_color = offset_col + delta * 4;
+						frag_color = offset_col + delta * vec4(4.0, 4.0, 4.0, 4.0);
 					}
 					else {
 						frag_color = offset_col;
diff --git a/base/shaders/ssao_blur_pass.frag.glsl b/base/shaders/ssao_blur_pass.frag.glsl
index 3adfea70b..93b4785b8 100644
--- a/base/shaders/ssao_blur_pass.frag.glsl
+++ b/base/shaders/ssao_blur_pass.frag.glsl
@@ -10,26 +10,15 @@ in vec2 tex_coord;
 out float frag_color;
 
 #ifdef ESSL
-#define CONST_ARRAY_BEGIN(t, v, n) const t v[n] = t[](
-#define CONST_ARRAY_END() );
+const float blur_weights[10] = float[](
+	0.132572, 0.125472, 0.106373, 0.08078, 0.05495, 0.033482, 0.018275, 0.008934, 0.003912, 0.001535
+);
 #else
-#define CONST_ARRAY_BEGIN(t, v, n) const t v[n] = {
-#define CONST_ARRAY_END() };
+const float blur_weights[10] = {
+	0.132572, 0.125472, 0.106373, 0.08078, 0.05495, 0.033482, 0.018275, 0.008934, 0.003912, 0.001535
+};
 #endif
 
-CONST_ARRAY_BEGIN(float, blur_weights, 10)
-	0.132572,
-	0.125472,
-	0.106373,
-	0.08078,
-	0.05495,
-	0.033482,
-	0.018275,
-	0.008934,
-	0.003912,
-	0.001535
-CONST_ARRAY_END()
-
 const float discard_threshold = 0.95;
 
 void main() {