Fixed oversized apps' incorrect layout

3 files changed, 63 insertions, 13 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index d8f64e0c..c503cb64 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -303,15 +303,15 @@ void CHyprOpenGLImpl::renderTexture(wlr_texture* tex, wlr_box* pBox, float alpha
     renderTexture(CTexture(tex), pBox, alpha, round);
 }
 
-void CHyprOpenGLImpl::renderTexture(const CTexture& tex, wlr_box* pBox, float alpha, int round, bool discardopaque, bool border) {
+void CHyprOpenGLImpl::renderTexture(const CTexture& tex, wlr_box* pBox, float alpha, int round, bool discardopaque, bool border, bool allowPrimary) {
     RASSERT(m_RenderData.pMonitor, "Tried to render texture without begin()!");
 
-    renderTextureInternalWithDamage(tex, pBox, alpha, m_RenderData.pDamage, round, discardopaque, border);
+    renderTextureInternalWithDamage(tex, pBox, alpha, m_RenderData.pDamage, round, discardopaque, border, false, allowPrimary);
 
     scissor((wlr_box*)nullptr);
 }
 
-void CHyprOpenGLImpl::renderTextureInternalWithDamage(const CTexture& tex, wlr_box* pBox, float alpha, pixman_region32_t* damage, int round, bool discardOpaque, bool border, bool noAA) {
+void CHyprOpenGLImpl::renderTextureInternalWithDamage(const CTexture& tex, wlr_box* pBox, float alpha, pixman_region32_t* damage, int round, bool discardOpaque, bool border, bool noAA, bool allowPrimary) {
     RASSERT(m_RenderData.pMonitor, "Tried to render texture without begin()!");
     RASSERT((tex.m_iTexID > 0), "Attempted to draw NULL texture!");
 
@@ -358,6 +358,8 @@ void CHyprOpenGLImpl::renderTextureInternalWithDamage(const CTexture& tex, wlr_b
         // hacky fix to fix broken borders.
         // TODO: this is kinda slow... question mark?
         renderRect(pBox, CColor(0, 0, 0, 0), round);
+
+        glDisable(GL_STENCIL_TEST);
     }
 
     glActiveTexture(GL_TEXTURE0);
@@ -388,7 +390,19 @@ void CHyprOpenGLImpl::renderTextureInternalWithDamage(const CTexture& tex, wlr_b
     glUniform1i(glGetUniformLocation(shader->program, "primitiveMultisample"), (int)(*PMULTISAMPLEEDGES == 1 && round != 0 && !border && !noAA));
 
     glVertexAttribPointer(shader->posAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
-    glVertexAttribPointer(shader->texAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
+
+    if (allowPrimary && m_RenderData.renderingPrimarySurface && m_RenderData.primarySurfaceUVTopLeft != Vector2D(-1, -1)) {
+        const float verts[] = {
+            m_RenderData.primarySurfaceUVBottomRight.x, m_RenderData.primarySurfaceUVTopLeft.y,      // top right
+            m_RenderData.primarySurfaceUVTopLeft.x, m_RenderData.primarySurfaceUVTopLeft.y,          // top left
+            m_RenderData.primarySurfaceUVBottomRight.x, m_RenderData.primarySurfaceUVBottomRight.y,  // bottom right
+            m_RenderData.primarySurfaceUVTopLeft.x, m_RenderData.primarySurfaceUVBottomRight.y,      // bottom left
+        };
+
+        glVertexAttribPointer(shader->texAttrib, 2, GL_FLOAT, GL_FALSE, 0, verts);
+    } else {
+        glVertexAttribPointer(shader->texAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
+    }
 
     glEnableVertexAttribArray(shader->posAttrib);
     glEnableVertexAttribArray(shader->texAttrib);
@@ -402,6 +416,8 @@ void CHyprOpenGLImpl::renderTextureInternalWithDamage(const CTexture& tex, wlr_b
     }
 
     if (border) {
+        glEnable(GL_STENCIL_TEST);
+
         glStencilFunc(GL_EQUAL, 1, -1);
         glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
     }
@@ -548,9 +564,10 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, wlr_box* pBox,
     RASSERT(m_RenderData.pMonitor, "Tried to render texture with blur without begin()!");
 
     static auto *const PBLURENABLED = &g_pConfigManager->getConfigValuePtr("decoration:blur")->intValue;
+    static auto* const PNOBLUROVERSIZED = &g_pConfigManager->getConfigValuePtr("decoration:no_blur_on_oversized")->intValue;
 
-    if (*PBLURENABLED == 0) {
-        renderTexture(tex, pBox, a, round, false, border);
+    if (*PBLURENABLED == 0 || (*PNOBLUROVERSIZED && m_RenderData.primarySurfaceUVTopLeft != Vector2D(-1, -1))) {
+        renderTexture(tex, pBox, a, round, false, border, true);
         return;
     }
 
@@ -607,13 +624,18 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, wlr_box* pBox,
     if (pixman_region32_not_empty(&damage)) {
         // render our great blurred FB
         static auto *const PBLURIGNOREOPACITY = &g_pConfigManager->getConfigValuePtr("decoration:blur_ignore_opacity")->intValue;
-        renderTextureInternalWithDamage(POUTFB->m_cTex, &MONITORBOX, *PBLURIGNOREOPACITY ? 255.f : a, &damage);
+        renderTextureInternalWithDamage(POUTFB->m_cTex, &MONITORBOX, *PBLURIGNOREOPACITY ? 255.f : a, &damage, 0, false, false, false, true);
 
         // render the window, but clear stencil
         glClearStencil(0);
         glClear(GL_STENCIL_BUFFER_BIT);
 
-        // and write to it
+        // draw window
+        glDisable(GL_STENCIL_TEST);
+        renderTextureInternalWithDamage(tex, pBox, a, &damage, round, false, false, true, true);
+        glEnable(GL_STENCIL_TEST);
+
+        // prep stencil for border
         glStencilFunc(GL_ALWAYS, 1, -1);
         glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
 
@@ -623,8 +645,6 @@ void CHyprOpenGLImpl::renderTextureWithBlur(const CTexture& tex, wlr_box* pBox,
             renderRectWithDamage(pBox, CColor(0,0,0,0), &damage, round);
         }
 
-        renderTextureInternalWithDamage(tex, pBox, a, &damage, round, false, false, true);
-
         // then stop
         glStencilFunc(GL_EQUAL, 1, -1);
         glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
diff --git a/src/render/OpenGL.hpp b/src/render/OpenGL.hpp
index 76de6311..0648e73a 100644
--- a/src/render/OpenGL.hpp
+++ b/src/render/OpenGL.hpp
@@ -34,6 +34,10 @@ struct SCurrentRenderData {
     float       projection[9];
 
     pixman_region32_t* pDamage = nullptr;
+
+    bool        renderingPrimarySurface = false;
+    Vector2D    primarySurfaceUVTopLeft = Vector2D(-1, -1);
+    Vector2D    primarySurfaceUVBottomRight = Vector2D(-1, -1);
 };
 
 struct SMonitorRenderData {
@@ -55,7 +59,7 @@ public:
     void    renderRect(wlr_box*, const CColor&, int round = 0);
     void    renderRectWithDamage(wlr_box*, const CColor&, pixman_region32_t* damage, int round = 0);
     void    renderTexture(wlr_texture*, wlr_box*, float a, int round = 0);
-    void    renderTexture(const CTexture&, wlr_box*, float a, int round = 0, bool discardOpaque = false, bool border = false);
+    void    renderTexture(const CTexture&, wlr_box*, float a, int round = 0, bool discardOpaque = false, bool border = false, bool allowPrimary = false);
     void    renderTextureWithBlur(const CTexture&, wlr_box*, float a, wlr_surface* pSurface, int round = 0, bool border = false);
 
     void    makeWindowSnapshot(CWindow*);
@@ -111,7 +115,7 @@ private:
     // returns the out FB, can be either Mirror or MirrorSwap
     CFramebuffer*           blurMainFramebufferWithDamage(float a, wlr_box* pBox, pixman_region32_t* damage);
 
-    void                    renderTextureInternalWithDamage(const CTexture&, wlr_box* pBox, float a, pixman_region32_t* damage, int round = 0, bool discardOpaque = false, bool border = false, bool noAA = false);
+    void                    renderTextureInternalWithDamage(const CTexture&, wlr_box* pBox, float a, pixman_region32_t* damage, int round = 0, bool discardOpaque = false, bool border = false, bool noAA = false, bool allowPrimary = false);
     void                    renderBorder(wlr_box*, const CColor&, int thick = 1, int round = 0);
 };
 
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index b760dac0..8118af48 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -23,8 +23,12 @@ void renderSurface(struct wlr_surface* surface, int x, int y, void* data) {
 
     float rounding = RDATA->dontRound ? 0 : RDATA->rounding == -1 ? *PROUNDING : RDATA->rounding;
 
-    if (RDATA->surface && surface == RDATA->surface)
+    g_pHyprOpenGL->m_RenderData.renderingPrimarySurface = false;
+
+    if (RDATA->surface && surface == RDATA->surface) {
+        g_pHyprOpenGL->m_RenderData.renderingPrimarySurface = true;
         g_pHyprOpenGL->renderTextureWithBlur(TEXTURE, &windowBox, RDATA->fadeAlpha * RDATA->alpha, surface, rounding, RDATA->decorate);
+    }
     else
         g_pHyprOpenGL->renderTexture(TEXTURE, &windowBox, RDATA->fadeAlpha * RDATA->alpha, rounding, false, false);
 
@@ -166,8 +170,30 @@ void CHyprRenderer::renderWindow(CWindow* pWindow, SMonitor* pMonitor, timespec*
     for (auto& wd : pWindow->m_dWindowDecorations)
         wd->draw(pMonitor);
 
+    if (!pWindow->m_bIsX11) {
+
+        // To everyone who makes apps with improperly aligned surfaces,
+        // For example chromium, or GTK devs who allow shadows on windows,
+        // a sincere FUCK YOU.
+
+        wlr_box geom;
+        wlr_xdg_surface_get_geometry(pWindow->m_uSurface.xdg, &geom);
+
+        g_pHyprOpenGL->m_RenderData.primarySurfaceUVTopLeft = Vector2D((double)geom.x / (double)pWindow->m_uSurface.xdg->surface->current.width, (double)geom.y / (double)pWindow->m_uSurface.xdg->surface->current.height);
+        g_pHyprOpenGL->m_RenderData.primarySurfaceUVBottomRight = Vector2D((double)(geom.width + geom.x) / (double)pWindow->m_uSurface.xdg->surface->current.width, (double)(geom.y + geom.height) / (double)pWindow->m_uSurface.xdg->surface->current.height);
+
+        if (g_pHyprOpenGL->m_RenderData.primarySurfaceUVTopLeft == Vector2D() && g_pHyprOpenGL->m_RenderData.primarySurfaceUVBottomRight == Vector2D(1, 1)) {
+            // No special UV mods needed
+            g_pHyprOpenGL->m_RenderData.primarySurfaceUVTopLeft = Vector2D(-1, -1);
+            g_pHyprOpenGL->m_RenderData.primarySurfaceUVBottomRight = Vector2D(-1, -1);
+        }
+    }
+
     wlr_surface_for_each_surface(g_pXWaylandManager->getWindowSurface(pWindow), renderSurface, &renderdata);
 
+    g_pHyprOpenGL->m_RenderData.primarySurfaceUVTopLeft = Vector2D(-1, -1);
+    g_pHyprOpenGL->m_RenderData.primarySurfaceUVBottomRight = Vector2D(-1, -1);
+
     if (pWindow->m_bIsX11) {
         if (pWindow->m_uSurface.xwayland->surface) {
             wlr_surface_for_each_surface(pWindow->m_uSurface.xwayland->surface, renderSurface, &renderdata);