From d44098180c43211e067cc75c5ae354fe09f55210 Mon Sep 17 00:00:00 2001
From: Sergii Liebodkin <s.lebedkin@gmail.com>
Date: Thu, 17 Jul 2025 16:49:48 +0300
Subject: [PATCH] gl_engine: remove level parameter from blur

level parameter removed from blur and dropshadows shaders.
data structures alligment keeped
---
 src/renderer/gl_engine/tvgGlEffect.cpp    | 6 +-----
 src/renderer/gl_engine/tvgGlShaderSrc.cpp | 6 +++---
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/renderer/gl_engine/tvgGlEffect.cpp b/src/renderer/gl_engine/tvgGlEffect.cpp
index f3c24d5b..1e8d5046 100644
--- a/src/renderer/gl_engine/tvgGlEffect.cpp
+++ b/src/renderer/gl_engine/tvgGlEffect.cpp
@@ -32,13 +32,11 @@
 /* Gaussian Blur                                                        */
 /************************************************************************/
 
-#define GL_GAUSSIAN_MAX_LEVEL 3
-
 struct GlGaussianBlur {
-    int level{};
     float sigma{};
     float scale{};
     float extend{};
+    float dummy0{};
 };
 
 
@@ -64,7 +62,6 @@ void GlEffect::update(RenderEffectGaussianBlur* effect, const Matrix& transform)
     blur->sigma = effect->sigma;
     blur->scale = std::sqrt(transform.e11 * transform.e11 + transform.e12 * transform.e12);
     blur->extend = 2 * blur->sigma * blur->scale;
-    blur->level = int(GL_GAUSSIAN_MAX_LEVEL * ((effect->quality - 1) * 0.01f)) + 1;
     effect->rd = blur;
     effect->valid = (blur->extend > 0);
 }
@@ -135,7 +132,6 @@ void GlEffect::update(RenderEffectDropShadow* effect, const Matrix& transform)
     };
     dropShadow->sigma = sigma;
     dropShadow->scale = scale;
-    dropShadow->level = int(GL_GAUSSIAN_MAX_LEVEL * ((effect->quality - 1) * 0.01f)) + 1;
     dropShadow->color[3] = effect->color[3] / 255.0f;
     //Drop shadow effect applies blending in the shader (GL_BLEND disabled), so the color should be premultiplied:
     dropShadow->color[0] = effect->color[0] / 255.0f * dropShadow->color[3];
diff --git a/src/renderer/gl_engine/tvgGlShaderSrc.cpp b/src/renderer/gl_engine/tvgGlShaderSrc.cpp
index 5f1165eb..3e7315e9 100644
--- a/src/renderer/gl_engine/tvgGlShaderSrc.cpp
+++ b/src/renderer/gl_engine/tvgGlShaderSrc.cpp
@@ -740,10 +740,10 @@ void main()
 const char* GAUSSIAN_VERTICAL = R"(
 uniform sampler2D uSrcTexture;
 layout(std140) uniform Gaussian {
-    int level;
     float sigma;
     float scale;
     float extend;
+    float dummy0;
 } uGaussian;
 
 in vec2 vUV;
@@ -776,10 +776,10 @@ void main()
 const char* GAUSSIAN_HORIZONTAL = R"(
 uniform sampler2D uSrcTexture;
 layout(std140) uniform Gaussian {
-    int level;
     float sigma;
     float scale;
     float extend;
+    float dummy0;
 } uGaussian;
 
 in vec2 vUV;
@@ -813,10 +813,10 @@ const char* EFFECT_DROPSHADOW = R"(
 uniform sampler2D uSrcTexture;
 uniform sampler2D uBlrTexture;
 layout(std140) uniform DropShadow {
-    int level;
     float sigma;
     float scale;
     float extend;
+    float dummy0;
     vec4 color;
     vec2 offset;
 } uDropShadow;