basic window rounded corners

src/config/ConfigManager.cpp

@@ -22,6 +22,8 @@ CConfigManager::CConfigManager() {
     configValues["general:col.active_border"].intValue = 0xffffffff;
     configValues["general:col.inactive_border"].intValue = 0xff444444;
 
+    configValues["decoration:rounding"].intValue = 1;
+
     configValues["dwindle:pseudotile"].intValue = 0;
 
     configValues["animations:enabled"].intValue = 1;

src/render/OpenGL.cpp

@@ -163,13 +163,13 @@ void CHyprOpenGLImpl::renderRect(wlr_box* box, const CColor& col) {
     glDisableVertexAttribArray(m_shQUAD.posAttrib);
 }
 
-void CHyprOpenGLImpl::renderTexture(wlr_texture* tex,float matrix[9], float alpha) {
+void CHyprOpenGLImpl::renderTexture(wlr_texture* tex,float matrix[9], float alpha, int round) {
     RASSERT(m_RenderData.pMonitor, "Tried to render texture without begin()!");
 
-    renderTexture(CTexture(tex), matrix, alpha);
+    renderTexture(CTexture(tex), matrix, alpha, round);
 }
 
-void CHyprOpenGLImpl::renderTexture(const CTexture& tex, float matrix[9], float alpha) {
+void CHyprOpenGLImpl::renderTexture(const CTexture& tex, float matrix[9], float alpha, int round) {
     RASSERT(m_RenderData.pMonitor, "Tried to render texture without begin()!");
     RASSERT((tex.m_iTexID > 0), "Attempted to draw NULL texture!");
 
@@ -210,6 +210,19 @@ void CHyprOpenGLImpl::renderTexture(const CTexture& tex, float matrix[9], float
     glUniform1i(shader->tex, 0);
     glUniform1f(shader->alpha, alpha / 255.f);
 
+    // round is in px
+    // so we need to do some maf
+
+    const auto TOPLEFT = Vector2D(round, round);
+    const auto BOTTOMRIGHT = Vector2D(tex.m_vSize.x - round, tex.m_vSize.y - round);
+    const auto FULLSIZE = tex.m_vSize;
+
+    // Rounded corners
+    glUniform2f(glGetUniformLocation(shader->program, "topLeft"), (float)TOPLEFT.x, (float)TOPLEFT.y);
+    glUniform2f(glGetUniformLocation(shader->program, "bottomRight"), (float)BOTTOMRIGHT.x, (float)BOTTOMRIGHT.y);
+    glUniform2f(glGetUniformLocation(shader->program, "fullSize"), (float)FULLSIZE.x, (float)FULLSIZE.y);
+    glUniform1f(glGetUniformLocation(shader->program, "radius"), round);
+
     glVertexAttribPointer(shader->posAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
     glVertexAttribPointer(shader->texAttrib, 2, GL_FLOAT, GL_FALSE, 0, fullVerts);
 

src/render/OpenGL.hpp

@@ -36,8 +36,8 @@ public:
     void    end();
 
     void    renderRect(wlr_box*, const CColor&);
-    void    renderTexture(wlr_texture*, float matrix[9], float a);
-    void    renderTexture(const CTexture&, float matrix[9], float a);
+    void    renderTexture(wlr_texture*, float matrix[9], float a, int round = 0);
+    void    renderTexture(const CTexture&, float matrix[9], float a, int round = 0);
 
     void    clear(const CColor&);
     void    scissor(const wlr_box*);

src/render/Renderer.cpp

@@ -31,7 +31,7 @@ void renderSurface(struct wlr_surface* surface, int x, int y, void* data) {
     float matrix[9];
     wlr_matrix_project_box(matrix, &windowBox, TRANSFORM, 0, RDATA->output->transform_matrix);
 
-    g_pHyprOpenGL->renderTexture(TEXTURE, matrix, 255.f); // TODO: fadeinout
+    g_pHyprOpenGL->renderTexture(TEXTURE, matrix, 255.f, g_pConfigManager->getInt("decoration:rounding")); // TODO: fadeinout
 
     wlr_surface_send_frame_done(surface, RDATA->when);
 
@@ -395,6 +395,10 @@ void CHyprRenderer::arrangeLayersForMonitor(const int& monitor) {
 
 void CHyprRenderer::drawBorderForWindow(CWindow* pWindow, SMonitor* pMonitor) {
     const auto BORDERSIZE = g_pConfigManager->getInt("general:border_size");
+
+    if (BORDERSIZE < 1)
+        return;
+
     const auto BORDERCOL = pWindow->m_cRealBorderColor;
 
     Vector2D correctPos = pWindow->m_vRealPosition - pMonitor->vecPosition;

src/render/Shaders.hpp

@@ -38,11 +38,52 @@ void main() {
 
 inline const std::string TEXFRAGSRCRGBA = R"#(
 precision mediump float;
-varying vec2 v_texcoord;
+varying vec2 v_texcoord; // is in 0-1
 uniform sampler2D tex;
 uniform float alpha;
 
+uniform vec2 topLeft;
+uniform vec2 bottomRight;
+uniform vec2 fullSize;
+uniform float radius;
+
 void main() {
+
+	vec2 pixCoord = fullSize * v_texcoord;
+
+	if (pixCoord[0] < topLeft[0]) {
+		// we're close left
+		if (pixCoord[1] < topLeft[1]) {
+			// top
+			if (distance(topLeft, pixCoord) > radius) {
+				gl_FragColor = vec4(0,0,0,0);
+				return;
+			}
+		} else if (pixCoord[1] > bottomRight[1]) {
+			// bottom
+			if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord) > radius) {
+				gl_FragColor = vec4(0,0,0,0);
+				return;
+			}
+		}
+	}
+	else if (pixCoord[0] > bottomRight[0]) {
+		// we're close right
+		if (pixCoord[1] < topLeft[1]) {
+			// top
+			if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord) > radius) {
+				gl_FragColor = vec4(0,0,0,0);
+				return;
+			}
+		} else if (pixCoord[1] > bottomRight[1]) {
+			// bottom
+			if (distance(bottomRight, pixCoord) > radius) {
+				gl_FragColor = vec4(0,0,0,0);
+				return;
+			}
+		}
+	}
+
 	gl_FragColor = texture2D(tex, v_texcoord) * alpha;
 })#";
 
@@ -66,4 +107,4 @@ uniform float alpha;
 
 void main() {
 	gl_FragColor = texture2D(texture0, v_texcoord) * alpha;
-})#";
+})#";