From 43fc7662ccb8178f2984156d45c2406e302250fd Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Mon, 2 May 2022 16:54:40 +0200
Subject: Major blur rework: optimization & fixes

Blur should be considerably faster now and work on full damage tracking
---
 src/render/OpenGL.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/render/OpenGL.hpp')

diff --git a/src/render/OpenGL.hpp b/src/render/OpenGL.hpp
index 75d8e9c7..984180fb 100644
--- a/src/render/OpenGL.hpp
+++ b/src/render/OpenGL.hpp
@@ -23,6 +23,12 @@ inline const float fullVerts[] = {
     1, 1,  // bottom right
     0, 1,  // bottom left
 };
+inline const float fanVertsFull[] = {
+    -1.0f, -1.0f,
+    1.0f, -1.0f,
+    1.0f, 1.0f,
+    -1.0f, 1.0f
+};
 
 struct SCurrentRenderData {
     SMonitor*   pMonitor = nullptr;
@@ -34,6 +40,7 @@ struct SCurrentRenderData {
 struct SMonitorRenderData {
     CFramebuffer primaryFB;
     CFramebuffer mirrorFB;
+    CFramebuffer mirrorSwapFB;
 
     CTexture     stencilTex;
 };
@@ -59,6 +66,7 @@ public:
     void    clearWithTex();
     void    scissor(const wlr_box*);
     void    scissor(const pixman_box32*);
+    void    scissor(const int x, const int y, const int w, const int h);
 
     void    destroyMonitorResources(SMonitor*);
 
@@ -91,6 +99,9 @@ private:
     GLuint                  compileShader(const GLuint&, std::string);
     void                    createBGTextureForMonitor(SMonitor*);
 
+    // returns the out FB, can be either Mirror or MirrorSwap
+    CFramebuffer*           blurMainFramebufferWithDamage(float a, wlr_box* pBox);
+
     void                    renderTextureInternal(const CTexture&, wlr_box* pBox, float a, int round = 0, bool discardOpaque = false);
     void                    renderTextureWithBlurInternal(const CTexture&, wlr_box*, float a, int round = 0);
     
-- 
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