core: drop the legacy renderer (#10408)

* core: drop the legacy renderer

the legacy renderer is broken and barely used, drop it.

* Nix: drop support for legacyRenderer

---------

Co-authored-by: Mihai Fufezan <mihai@fufexan.net>

CMakeLists.txt

@@ -99,11 +99,7 @@ message(STATUS "Checking deps...")
 
 find_package(Threads REQUIRED)
 
-if(LEGACY_RENDERER)
+set(GLES_VERSION "GLES3")
-  set(GLES_VERSION "GLES2")
-else()
-  set(GLES_VERSION "GLES3")
-endif()
 find_package(OpenGL REQUIRED COMPONENTS ${GLES_VERSION})
 
 pkg_check_modules(aquamarine_dep REQUIRED IMPORTED_TARGET aquamarine>=0.8.0)
@@ -216,11 +212,6 @@ if(NOT HAS_INOTIFY AND inotify_FOUND)
   target_link_libraries(Hyprland PkgConfig::inotify)
 endif()
 
-if(LEGACY_RENDERER)
-  message(STATUS "Using the legacy GLES2 renderer!")
-  add_compile_definitions(LEGACY_RENDERER)
-endif()
-
 if(NO_XWAYLAND)
   message(STATUS "Using the NO_XWAYLAND flag, disabling XWayland!")
   add_compile_definitions(NO_XWAYLAND)

Makefile

@@ -3,14 +3,6 @@ PREFIX = /usr/local
 stub:
 	@echo "Do not run $(MAKE) directly without any arguments. Please refer to the wiki on how to compile Hyprland."
 
-legacyrenderer:
-	cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_INSTALL_PREFIX:STRING=${PREFIX} -DLEGACY_RENDERER:BOOL=true -S . -B ./build
-	cmake --build ./build --config Release --target all -j`nproc 2>/dev/null || getconf NPROCESSORS_CONF`
-
-legacyrendererdebug:
-	cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_INSTALL_PREFIX:STRING=${PREFIX} -DLEGACY_RENDERER:BOOL=true -S . -B ./build
-	cmake --build ./build --config Debug --target all -j`nproc 2>/dev/null || getconf NPROCESSORS_CONF`
-
 release:
 	cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_INSTALL_PREFIX:STRING=${PREFIX} -S . -B ./build
 	cmake --build ./build --config Release --target all -j`nproc 2>/dev/null || getconf NPROCESSORS_CONF`

flake.nix

@@ -132,7 +132,6 @@
         # hyprland-packages
         hyprland
         hyprland-debug
-        hyprland-legacy-renderer
         hyprland-unwrapped
         # hyprland-extras
         xdg-desktop-portal-hyprland

meson.build

@@ -77,10 +77,6 @@ if (systemd_option.enabled())
   subdir('systemd')
 endif
 
-if get_option('legacy_renderer').enabled()
-  add_project_arguments('-DLEGACY_RENDERER', language: 'cpp')
-endif
-
 if get_option('buildtype') == 'debug'
   add_project_arguments('-DHYPRLAND_DEBUG', language: 'cpp')
 endif

meson_options.txt

@@ -1,6 +1,5 @@
 option('xwayland', type: 'feature', value: 'auto', description: 'Enable support for X11 applications')
 option('systemd', type: 'feature', value: 'auto', description: 'Enable systemd integration')
 option('uwsm', type: 'feature', value: 'enabled', description: 'Enable uwsm integration (only if systemd is enabled)')
-option('legacy_renderer', type: 'feature', value: 'disabled', description: 'Enable legacy renderer')
 option('hyprpm', type: 'feature', value: 'enabled', description: 'Enable hyprpm')
 option('tracy_enable', type: 'boolean', value: false , description: 'Enable profiling')

nix/default.nix

@@ -41,7 +41,6 @@
   xwayland,
   debug ? false,
   enableXWayland ? true,
-  legacyRenderer ? false,
   withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd,
   wrapRuntimeDeps ? true,
   version ? "git",
@@ -52,6 +51,7 @@
   enableNvidiaPatches ? false,
   nvidiaPatches ? false,
   hidpiXWayland ? false,
+  legacyRenderer ? false,
 }: let
   inherit (builtins) baseNameOf foldl' readFile;
   inherit (lib.asserts) assertMsg;
@@ -70,6 +70,7 @@ in
   assert assertMsg (!nvidiaPatches) "The option `nvidiaPatches` has been removed.";
   assert assertMsg (!enableNvidiaPatches) "The option `enableNvidiaPatches` has been removed.";
   assert assertMsg (!hidpiXWayland) "The option `hidpiXWayland` has been removed. Please refer https://wiki.hyprland.org/Configuring/XWayland";
+  assert assertMsg (!legacyRenderer) "The option `legacyRenderer` has been removed. Legacy renderer is no longer supported.";
     customStdenv.mkDerivation (finalAttrs: {
       pname = "hyprland${optionalString debug "-debug"}";
       inherit version;
@@ -142,7 +143,7 @@ in
           wayland-scanner
           xorg.libXcursor
         ]
-        (optionals customStdenv.hostPlatform.isBSD [ epoll-shim ])
+        (optionals customStdenv.hostPlatform.isBSD [epoll-shim])
         (optionals customStdenv.hostPlatform.isMusl [libexecinfo])
         (optionals enableXWayland [
           xorg.libxcb
@@ -165,7 +166,6 @@ in
       mesonFlags = flatten [
         (mapAttrsToList mesonEnable {
           "xwayland" = enableXWayland;
-          "legacy_renderer" = legacyRenderer;
           "systemd" = withSystemd;
           "uwsm" = false;
           "hyprpm" = false;

nix/overlays.nix

@@ -50,9 +50,15 @@ in {
         hyprutils = final.hyprutils.override {debug = true;};
         debug = true;
       };
-      hyprland-legacy-renderer = final.hyprland.override {legacyRenderer = true;};
 
       # deprecated packages
+      hyprland-legacy-renderer =
+        builtins.trace ''
+          hyprland-legacy-renderer was removed. Please use the hyprland package.
+          Legacy renderer is no longer supported.
+        ''
+        final.hyprland;
+
       hyprland-nvidia =
         builtins.trace ''
           hyprland-nvidia was removed. Please use the hyprland package.

src/debug/CrashReporter.cpp

@@ -109,9 +109,6 @@ void NCrashReporter::createAndSaveCrash(int sig) {
     finalCrashReport += "\nDate: ";
     finalCrashReport += GIT_COMMIT_DATE;
     finalCrashReport += "\nFlags:\n";
-#ifdef LEGACY_RENDERER
-    finalCrashReport += "legacyrenderer\n";
-#endif
 #if ISDEBUG
     finalCrashReport += "debug\n";
 #endif

src/debug/HyprCtl.cpp

@@ -931,13 +931,10 @@ std::string versionRequest(eHyprCtlOutputFormat format, std::string request) {
                                          HYPRLAND_VERSION, GIT_BRANCH, GIT_COMMIT_HASH, GIT_DIRTY, commitMsg, GIT_COMMIT_DATE, GIT_TAG, GIT_COMMITS, AQUAMARINE_VERSION,
                                          HYPRLANG_VERSION, HYPRUTILS_VERSION, HYPRCURSOR_VERSION, HYPRGRAPHICS_VERSION);
 
-#if (!defined(LEGACY_RENDERER) && !ISDEBUG && !defined(NO_XWAYLAND))
+#if (!ISDEBUG && !defined(NO_XWAYLAND))
         result += "no flags were set\n";
 #else
         result += "flags set:\n";
-#ifdef LEGACY_RENDERER
-        result += "legacyrenderer\n";
-#endif
 #if ISDEBUG
         result += "debug\n";
 #endif
@@ -966,9 +963,6 @@ std::string versionRequest(eHyprCtlOutputFormat format, std::string request) {
             GIT_BRANCH, GIT_COMMIT_HASH, HYPRLAND_VERSION, (strcmp(GIT_DIRTY, "dirty") == 0 ? "true" : "false"), escapeJSONStrings(commitMsg), GIT_COMMIT_DATE, GIT_TAG,
             GIT_COMMITS, AQUAMARINE_VERSION, HYPRLANG_VERSION, HYPRUTILS_VERSION, HYPRCURSOR_VERSION, HYPRGRAPHICS_VERSION);
 
-#ifdef LEGACY_RENDERER
-        result += "\"legacyrenderer\",";
-#endif
 #if ISDEBUG
         result += "\"debug\",";
 #endif

src/debug/HyprDebugOverlay.cpp

@@ -263,11 +263,8 @@ void CHyprDebugOverlay::draw() {
     glBindTexture(GL_TEXTURE_2D, m_texture->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
 
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, PMONITOR->m_pixelSize.x, PMONITOR->m_pixelSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
 

src/debug/HyprNotificationOverlay.cpp

@@ -238,11 +238,8 @@ void CHyprNotificationOverlay::draw(PHLMONITOR pMonitor) {
     glBindTexture(GL_TEXTURE_2D, m_texture->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
 
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, MONSIZE.x, MONSIZE.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
 

src/helpers/Format.cpp

@@ -14,26 +14,18 @@
 */
 inline const std::vector<SPixelFormat> GLES3_FORMATS = {
     {
-        .drmFormat = DRM_FORMAT_ARGB8888,
+        .drmFormat     = DRM_FORMAT_ARGB8888,
-        .flipRB    = true,
+        .flipRB        = true,
-#ifndef GLES2
+        .glFormat      = GL_RGBA,
-        .glFormat = GL_RGBA,
-#else
-        .glFormat = GL_BGRA_EXT,
-#endif
         .glType        = GL_UNSIGNED_BYTE,
         .withAlpha     = true,
         .alphaStripped = DRM_FORMAT_XRGB8888,
         .bytesPerBlock = 4,
     },
     {
-        .drmFormat = DRM_FORMAT_XRGB8888,
+        .drmFormat     = DRM_FORMAT_XRGB8888,
-        .flipRB    = true,
+        .flipRB        = true,
-#ifndef GLES2
+        .glFormat      = GL_RGBA,
-        .glFormat = GL_RGBA,
-#else
-        .glFormat = GL_BGRA_EXT,
-#endif
         .glType        = GL_UNSIGNED_BYTE,
         .withAlpha     = false,
         .alphaStripped = DRM_FORMAT_XRGB8888,
@@ -104,96 +96,64 @@ inline const std::vector<SPixelFormat> GLES3_FORMATS = {
         .bytesPerBlock = 2,
     },
     {
-        .drmFormat = DRM_FORMAT_XBGR2101010,
+        .drmFormat     = DRM_FORMAT_XBGR2101010,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_UNSIGNED_INT_2_10_10_10_REV,
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV,
-#else
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
-#endif
         .withAlpha     = false,
         .alphaStripped = DRM_FORMAT_XBGR2101010,
         .bytesPerBlock = 4,
     },
     {
-        .drmFormat = DRM_FORMAT_ABGR2101010,
+        .drmFormat     = DRM_FORMAT_ABGR2101010,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_UNSIGNED_INT_2_10_10_10_REV,
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV,
-#else
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
-#endif
         .withAlpha     = true,
         .alphaStripped = DRM_FORMAT_XBGR2101010,
         .bytesPerBlock = 4,
     },
     {
-        .drmFormat = DRM_FORMAT_XRGB2101010,
+        .drmFormat     = DRM_FORMAT_XRGB2101010,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_UNSIGNED_INT_2_10_10_10_REV,
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV,
-#else
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
-#endif
         .withAlpha     = false,
         .alphaStripped = DRM_FORMAT_XRGB2101010,
         .bytesPerBlock = 4,
     },
     {
-        .drmFormat = DRM_FORMAT_ARGB2101010,
+        .drmFormat     = DRM_FORMAT_ARGB2101010,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_UNSIGNED_INT_2_10_10_10_REV,
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV,
-#else
-        .glType = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
-#endif
         .withAlpha     = true,
         .alphaStripped = DRM_FORMAT_XRGB2101010,
         .bytesPerBlock = 4,
     },
     {
-        .drmFormat = DRM_FORMAT_XBGR16161616F,
+        .drmFormat     = DRM_FORMAT_XBGR16161616F,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_HALF_FLOAT,
-        .glType = GL_HALF_FLOAT,
-#else
-        .glType = GL_HALF_FLOAT_OES,
-#endif
         .withAlpha     = false,
         .alphaStripped = DRM_FORMAT_XBGR16161616F,
         .bytesPerBlock = 8,
     },
     {
-        .drmFormat = DRM_FORMAT_ABGR16161616F,
+        .drmFormat     = DRM_FORMAT_ABGR16161616F,
-        .glFormat  = GL_RGBA,
+        .glFormat      = GL_RGBA,
-#ifndef GLES2
+        .glType        = GL_HALF_FLOAT,
-        .glType = GL_HALF_FLOAT,
-#else
-        .glType = GL_HALF_FLOAT_OES,
-#endif
         .withAlpha     = true,
         .alphaStripped = DRM_FORMAT_XBGR16161616F,
         .bytesPerBlock = 8,
     },
     {
-        .drmFormat = DRM_FORMAT_XBGR16161616,
+        .drmFormat     = DRM_FORMAT_XBGR16161616,
-#ifndef GLES2
+        .glFormat      = GL_RGBA16UI,
-        .glFormat = GL_RGBA16UI,
-#else
-        .glFormat = GL_RGBA16_EXT,
-#endif
         .glType        = GL_UNSIGNED_SHORT,
         .withAlpha     = false,
         .alphaStripped = DRM_FORMAT_XBGR16161616,
         .bytesPerBlock = 8,
     },
     {
-        .drmFormat = DRM_FORMAT_ABGR16161616,
+        .drmFormat     = DRM_FORMAT_ABGR16161616,
-#ifndef GLES2
+        .glFormat      = GL_RGBA16UI,
-        .glFormat = GL_RGBA16UI,
-#else
-        .glFormat = GL_RGBA16_EXT,
-#endif
         .glType        = GL_UNSIGNED_SHORT,
         .withAlpha     = true,
         .alphaStripped = DRM_FORMAT_XBGR16161616,
@@ -290,12 +250,7 @@ uint32_t NFormatUtils::drmFormatToGL(DRMFormat drm) {
         case DRM_FORMAT_XRGB8888:
         case DRM_FORMAT_XBGR8888: return GL_RGBA; // doesn't matter, opengl is gucci in this case.
         case DRM_FORMAT_XRGB2101010:
-        case DRM_FORMAT_XBGR2101010:
+        case DRM_FORMAT_XBGR2101010: return GL_RGB10_A2;
-#ifdef GLES2
-            return GL_RGB10_A2_EXT;
-#else
-            return GL_RGB10_A2;
-#endif
         default: return GL_RGBA;
     }
     UNREACHABLE();
@@ -303,13 +258,7 @@ uint32_t NFormatUtils::drmFormatToGL(DRMFormat drm) {
 }
 
 uint32_t NFormatUtils::glFormatToType(uint32_t gl) {
-    return gl != GL_RGBA ?
+    return gl != GL_RGBA ? GL_UNSIGNED_INT_2_10_10_10_REV : GL_UNSIGNED_BYTE;
-#ifdef GLES2
-        GL_UNSIGNED_INT_2_10_10_10_REV_EXT :
-#else
-        GL_UNSIGNED_INT_2_10_10_10_REV :
-#endif
-        GL_UNSIGNED_BYTE;
 }
 
 std::string NFormatUtils::drmFormatName(DRMFormat drm) {

src/hyprerror/HyprError.cpp

@@ -146,11 +146,8 @@ void CHyprError::createQueued() {
     glBindTexture(GL_TEXTURE_2D, m_texture->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
 
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, PMONITOR->m_pixelSize.x, PMONITOR->m_pixelSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
 

src/includes.hpp

@@ -17,15 +17,9 @@
 #include <unistd.h>
 #include <wayland-server-core.h>
 
-#ifdef LEGACY_RENDERER
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#define GLES2
-#else
 #define GLES32
 #include <GLES3/gl32.h>
 #include <GLES3/gl3ext.h>
-#endif
 
 #ifdef NO_XWAYLAND
 #define XWAYLAND false

src/protocols/Screencopy.cpp

@@ -264,11 +264,7 @@ bool CScreencopyFrame::copyShm() {
         g_pHyprOpenGL->renderTexture(g_pHyprOpenGL->m_screencopyDeniedTexture, texbox, 1);
     }
 
-#ifndef GLES2
     glBindFramebuffer(GL_READ_FRAMEBUFFER, fb.getFBID());
-#else
-    glBindFramebuffer(GL_FRAMEBUFFER, fb.getFBID());
-#endif
 
     const auto PFORMAT = NFormatUtils::getPixelFormatFromDRM(shm.format);
     if (!PFORMAT) {
@@ -304,11 +300,7 @@ bool CScreencopyFrame::copyShm() {
 
     g_pHyprOpenGL->m_renderData.pMonitor.reset();
 
-#ifndef GLES2
     glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
-#else
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
-#endif
 
     LOGM(TRACE, "Copied frame via shm");
 

src/protocols/ToplevelExport.cpp

@@ -281,10 +281,7 @@ bool CToplevelExportFrame::copyShm(const Time::steady_tp& now) {
     g_pHyprOpenGL->m_renderData.pMonitor = PMONITOR;
     outFB.bind();
 
-#ifndef GLES2
     glBindFramebuffer(GL_READ_FRAMEBUFFER, outFB.getFBID());
-#endif
-
     glPixelStorei(GL_PACK_ALIGNMENT, 1);
 
     auto glFormat = PFORMAT->flipRB ? GL_BGRA_EXT : GL_RGBA;
@@ -318,10 +315,7 @@ bool CToplevelExportFrame::copyShm(const Time::steady_tp& now) {
     }
 
     outFB.unbind();
-
-#ifndef GLES2
     glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
-#endif
 
     return true;
 }

src/render/Framebuffer.cpp

@@ -40,14 +40,11 @@ bool CFramebuffer::alloc(int w, int h, uint32_t drmFormat) {
         glBindFramebuffer(GL_FRAMEBUFFER, m_fb);
         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_tex->m_texID, 0);
 
-// TODO: Allow this with gles2
-#ifndef GLES2
         if (m_stencilTex) {
             glBindTexture(GL_TEXTURE_2D, m_stencilTex->m_texID);
             glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, w, h, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr);
             glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_stencilTex->m_texID, 0);
         }
-#endif
 
         auto status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
         RASSERT((status == GL_FRAMEBUFFER_COMPLETE), "Framebuffer incomplete, couldn't create! (FB status: {}, GL Error: 0x{:x})", status, (int)glGetError());
@@ -64,8 +61,6 @@ bool CFramebuffer::alloc(int w, int h, uint32_t drmFormat) {
 }
 
 void CFramebuffer::addStencil(SP<CTexture> tex) {
-    // TODO: Allow this with gles2
-#ifndef GLES2
     m_stencilTex = tex;
     glBindTexture(GL_TEXTURE_2D, m_stencilTex->m_texID);
     glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, m_size.x, m_size.y, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr);
@@ -79,15 +74,10 @@ void CFramebuffer::addStencil(SP<CTexture> tex) {
 
     glBindTexture(GL_TEXTURE_2D, 0);
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
-#endif
 }
 
 void CFramebuffer::bind() {
-#ifndef GLES2
     glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fb);
-#else
-    glBindFramebuffer(GL_FRAMEBUFFER, m_iFb);
-#endif
 
     if (g_pHyprOpenGL)
         glViewport(0, 0, g_pHyprOpenGL->m_renderData.pMonitor->m_pixelSize.x, g_pHyprOpenGL->m_renderData.pMonitor->m_pixelSize.y);
@@ -96,11 +86,7 @@ void CFramebuffer::bind() {
 }
 
 void CFramebuffer::unbind() {
-#ifndef GLES2
     glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
-#else
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
-#endif
 }
 
 void CFramebuffer::release() {

src/render/OpenGL.cpp

@@ -162,24 +162,14 @@ void CHyprOpenGLImpl::initEGL(bool gbm) {
 
     auto attrsNoVer = attrs;
 
-#ifndef GLES2
     attrs.push_back(EGL_CONTEXT_MAJOR_VERSION);
     attrs.push_back(3);
     attrs.push_back(EGL_CONTEXT_MINOR_VERSION);
     attrs.push_back(2);
-#else
-    attrs.push_back(EGL_CONTEXT_CLIENT_VERSION);
-    attrs.push_back(2);
-    m_eglContextVersion = EGL_CONTEXT_GLES_2_0;
-#endif
-
     attrs.push_back(EGL_NONE);
 
     m_eglContext = eglCreateContext(m_eglDisplay, EGL_NO_CONFIG_KHR, EGL_NO_CONTEXT, attrs.data());
     if (m_eglContext == EGL_NO_CONTEXT) {
-#ifdef GLES2
-        RASSERT(false, "EGL: failed to create a context with GLES2.0");
-#endif
         Debug::log(WARN, "EGL: Failed to create a context with GLES3.2, retrying 3.0");
 
         attrs = attrsNoVer;
@@ -362,10 +352,6 @@ CHyprOpenGLImpl::CHyprOpenGLImpl() : m_drmFD(g_pCompositor->m_drmFD) {
 
     TRACY_GPU_CONTEXT;
 
-#ifdef GLES2
-    Debug::log(WARN, "!RENDERER: Using the legacy GLES2 renderer!");
-#endif
-
     initDRMFormats();
 
     initAssets();
@@ -669,7 +655,6 @@ GLuint CHyprOpenGLImpl::compileShader(const GLuint& type, std::string src, bool
 void CHyprOpenGLImpl::beginSimple(PHLMONITOR pMonitor, const CRegion& damage, SP<CRenderbuffer> rb, CFramebuffer* fb) {
     m_renderData.pMonitor = pMonitor;
 
-#ifndef GLES2
     const GLenum RESETSTATUS = glGetGraphicsResetStatus();
     if (RESETSTATUS != GL_NO_ERROR) {
         std::string errStr = "";
@@ -682,7 +667,6 @@ void CHyprOpenGLImpl::beginSimple(PHLMONITOR pMonitor, const CRegion& damage, SP
         RASSERT(false, "Aborting, glGetGraphicsResetStatus returned {}. Cannot continue until proper GPU reset handling is implemented.", errStr);
         return;
     }
-#endif
 
     TRACY_GPU_ZONE("RenderBeginSimple");
 
@@ -721,7 +705,6 @@ void CHyprOpenGLImpl::beginSimple(PHLMONITOR pMonitor, const CRegion& damage, SP
 void CHyprOpenGLImpl::begin(PHLMONITOR pMonitor, const CRegion& damage_, CFramebuffer* fb, std::optional<CRegion> finalDamage) {
     m_renderData.pMonitor = pMonitor;
 
-#ifndef GLES2
     const GLenum RESETSTATUS = glGetGraphicsResetStatus();
     if (RESETSTATUS != GL_NO_ERROR) {
         std::string errStr = "";
@@ -734,7 +717,6 @@ void CHyprOpenGLImpl::begin(PHLMONITOR pMonitor, const CRegion& damage_, CFrameb
         RASSERT(false, "Aborting, glGetGraphicsResetStatus returned {}. Cannot continue until proper GPU reset handling is implemented.", errStr);
         return;
     }
-#endif
 
     TRACY_GPU_ZONE("RenderBegin");
 
@@ -860,11 +842,7 @@ void CHyprOpenGLImpl::end() {
     // check for gl errors
     const GLenum ERR = glGetError();
 
-#ifdef GLES2
-    if (ERR == GL_CONTEXT_LOST_KHR) /* We don't have infra to recover from this */
-#else
     if (ERR == GL_CONTEXT_LOST) /* We don't have infra to recover from this */
-#endif
         RASSERT(false, "glGetError at Opengl::end() returned GL_CONTEXT_LOST. Cannot continue until proper GPU reset handling is implemented.");
 }
 
@@ -946,9 +924,7 @@ bool CHyprOpenGLImpl::initShaders() {
         shaders->TEXVERTSRC320 = processShader("tex320.vert", includes);
 
         GLuint prog;
-#ifdef GLES2
+
-        m_cmSupported = false;
-#else
         if (!*PCM)
             m_cmSupported = false;
         else {
@@ -983,7 +959,6 @@ bool CHyprOpenGLImpl::initShaders() {
                            "WARNING: CM Shader failed compiling, color management will not work. It's likely because your GPU is an old piece of garbage, don't file bug reports "
                            "about this!");
         }
-#endif
 
         const auto FRAGSHADOW             = processShader(m_cmSupported ? "shadow.frag" : "shadow_legacy.frag", includes);
         const auto FRAGBORDER1            = processShader(m_cmSupported ? "border.frag" : "border_legacy.frag", includes);
@@ -1392,13 +1367,7 @@ void CHyprOpenGLImpl::renderRectWithDamage(const CBox& box, const CHyprColor& co
     Mat3x3 glMatrix = m_renderData.projection.copy().multiply(matrix);
 
     useProgram(m_shaders->m_shQUAD.program);
-
-#ifndef GLES2
     glUniformMatrix3fv(m_shaders->m_shQUAD.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(m_renderData.pCurrentMonData->m_shQUAD.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
 
     // premultiply the color as well as we don't work with straight alpha
     glUniform4f(m_shaders->m_shQUAD.color, col.r * col.a, col.g * col.a, col.b * col.a, col.a);
@@ -1602,12 +1571,7 @@ void CHyprOpenGLImpl::renderTextureInternalWithDamage(SP<CTexture> tex, const CB
         passCMUniforms(*shader, imageDescription);
     }
 
-#ifndef GLES2
     glUniformMatrix3fv(shader->proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(shader->proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
     glUniform1i(shader->tex, 0);
 
     if ((usingFinalShader && *PDT == 0) || CRASHING) {
@@ -1735,15 +1699,8 @@ void CHyprOpenGLImpl::renderTexturePrimitive(SP<CTexture> tex, const CBox& box)
     glBindTexture(tex->m_target, tex->m_texID);
 
     useProgram(shader->program);
-
-#ifndef GLES2
     glUniformMatrix3fv(shader->proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(shader->proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
     glUniform1i(shader->tex, 0);
-
     glBindVertexArray(shader->shaderVao);
 
     for (auto const& RECT : m_renderData.damage.getRects()) {
@@ -1777,13 +1734,7 @@ void CHyprOpenGLImpl::renderTextureMatte(SP<CTexture> tex, const CBox& box, CFra
     SShader*   shader = &m_shaders->m_shMATTE;
 
     useProgram(shader->program);
-
-#ifndef GLES2
     glUniformMatrix3fv(shader->proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(shader->proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
     glUniform1i(shader->tex, 0);
     glUniform1i(shader->alphaMatte, 1);
 
@@ -1886,12 +1837,7 @@ CFramebuffer* CHyprOpenGLImpl::blurFramebufferWithDamage(float a, CRegion* origi
                             1.0f);
         }
 
-#ifndef GLES2
         glUniformMatrix3fv(m_shaders->m_shBLURPREPARE.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-        glMatrix.transpose();
-        glUniformMatrix3fv(m_shaders->m_shBLURPREPARE.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
         glUniform1f(m_shaders->m_shBLURPREPARE.contrast, *PBLURCONTRAST);
         glUniform1f(m_shaders->m_shBLURPREPARE.brightness, *PBLURBRIGHTNESS);
         glUniform1i(m_shaders->m_shBLURPREPARE.tex, 0);
@@ -1927,12 +1873,7 @@ CFramebuffer* CHyprOpenGLImpl::blurFramebufferWithDamage(float a, CRegion* origi
         useProgram(pShader->program);
 
         // prep two shaders
-#ifndef GLES2
         glUniformMatrix3fv(pShader->proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-        glMatrix.transpose();
-        glUniformMatrix3fv(pShader->proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
         glUniform1f(pShader->radius, *PBLURSIZE * a); // this makes the blursize change with a
         if (pShader == &m_shaders->m_shBLUR1) {
             glUniform2f(m_shaders->m_shBLUR1.halfpixel, 0.5f / (m_renderData.pMonitor->m_pixelSize.x / 2.f), 0.5f / (m_renderData.pMonitor->m_pixelSize.y / 2.f));
@@ -1997,13 +1938,7 @@ CFramebuffer* CHyprOpenGLImpl::blurFramebufferWithDamage(float a, CRegion* origi
         glTexParameteri(currentTex->m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 
         useProgram(m_shaders->m_shBLURFINISH.program);
-
-#ifndef GLES2
         glUniformMatrix3fv(m_shaders->m_shBLURFINISH.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-        glMatrix.transpose();
-        glUniformMatrix3fv(m_shaders->m_shBLURFINISH.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
         glUniform1f(m_shaders->m_shBLURFINISH.noise, *PBLURNOISE);
         glUniform1f(m_shaders->m_shBLURFINISH.brightness, *PBLURBRIGHTNESS);
 
@@ -2341,13 +2276,7 @@ void CHyprOpenGLImpl::renderBorder(const CBox& box, const CGradientValueData& gr
     if (!skipCM)
         passCMUniforms(m_shaders->m_shBORDER1, SImageDescription{});
 
-#ifndef GLES2
     glUniformMatrix3fv(m_shaders->m_shBORDER1.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(m_shaders->m_shBORDER1.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
-
     glUniform4fv(m_shaders->m_shBORDER1.gradient, grad.m_colorsOkLabA.size() / 4, (float*)grad.m_colorsOkLabA.data());
     glUniform1i(m_shaders->m_shBORDER1.gradientLength, grad.m_colorsOkLabA.size() / 4);
     glUniform1f(m_shaders->m_shBORDER1.angle, (int)(grad.m_angle / (PI / 180.0)) % 360 * (PI / 180.0));
@@ -2428,14 +2357,7 @@ void CHyprOpenGLImpl::renderBorder(const CBox& box, const CGradientValueData& gr
     blend(true);
 
     useProgram(m_shaders->m_shBORDER1.program);
-
-#ifndef GLES2
     glUniformMatrix3fv(m_shaders->m_shBORDER1.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(m_shaders->m_shBORDER1.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
-
     glUniform4fv(m_shaders->m_shBORDER1.gradient, grad1.m_colorsOkLabA.size() / 4, (float*)grad1.m_colorsOkLabA.data());
     glUniform1i(m_shaders->m_shBORDER1.gradientLength, grad1.m_colorsOkLabA.size() / 4);
     glUniform1f(m_shaders->m_shBORDER1.angle, (int)(grad1.m_angle / (PI / 180.0)) % 360 * (PI / 180.0));
@@ -2515,12 +2437,7 @@ void CHyprOpenGLImpl::renderRoundedShadow(const CBox& box, int round, float roun
     if (!skipCM)
         passCMUniforms(m_shaders->m_shSHADOW, SImageDescription{});
 
-#ifndef GLES2
     glUniformMatrix3fv(m_shaders->m_shSHADOW.proj, 1, GL_TRUE, glMatrix.getMatrix().data());
-#else
-    glMatrix.transpose();
-    glUniformMatrix3fv(m_shaders->m_shSHADOW.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
-#endif
     glUniform4f(m_shaders->m_shSHADOW.color, col.r, col.g, col.b, col.a * a);
 
     const auto TOPLEFT     = Vector2D(range + round, range + round);
@@ -2675,26 +2592,20 @@ SP<CTexture> CHyprOpenGLImpl::loadAsset(const std::string& filename) {
     tex->allocate();
     tex->m_size = {cairo_image_surface_get_width(CAIROSURFACE), cairo_image_surface_get_height(CAIROSURFACE)};
 
-    const GLint glIFormat = CAIROFORMAT == CAIRO_FORMAT_RGB96F ?
+    const GLint glIFormat = CAIROFORMAT == CAIRO_FORMAT_RGB96F ? GL_RGB32F : GL_RGBA;
-#ifdef GLES2
+    const GLint glFormat  = CAIROFORMAT == CAIRO_FORMAT_RGB96F ? GL_RGB : GL_RGBA;
-        GL_RGB32F_EXT :
+    const GLint glType    = CAIROFORMAT == CAIRO_FORMAT_RGB96F ? GL_FLOAT : GL_UNSIGNED_BYTE;
-#else
-        GL_RGB32F :
-#endif
-        GL_RGBA;
-    const GLint glFormat = CAIROFORMAT == CAIRO_FORMAT_RGB96F ? GL_RGB : GL_RGBA;
-    const GLint glType   = CAIROFORMAT == CAIRO_FORMAT_RGB96F ? GL_FLOAT : GL_UNSIGNED_BYTE;
 
     const auto  DATA = cairo_image_surface_get_data(CAIROSURFACE);
     glBindTexture(GL_TEXTURE_2D, tex->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-#ifndef GLES2
+
     if (CAIROFORMAT != CAIRO_FORMAT_RGB96F) {
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
     }
-#endif
+
     glTexImage2D(GL_TEXTURE_2D, 0, glIFormat, tex->m_size.x, tex->m_size.y, 0, glFormat, glType, DATA);
 
     cairo_surface_destroy(CAIROSURFACE);
@@ -2772,10 +2683,8 @@ SP<CTexture> CHyprOpenGLImpl::renderText(const std::string& text, CHyprColor col
     glBindTexture(GL_TEXTURE_2D, tex->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex->m_size.x, tex->m_size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
 
     cairo_destroy(CAIRO);
@@ -2815,10 +2724,8 @@ void CHyprOpenGLImpl::initMissingAssetTexture() {
     glBindTexture(GL_TEXTURE_2D, tex->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
     glTexImage2D(GL_TEXTURE_2D, 0, glFormat, tex->m_size.x, tex->m_size.y, 0, glFormat, glType, DATA);
 
     cairo_surface_destroy(CAIROSURFACE);
@@ -2928,10 +2835,8 @@ void CHyprOpenGLImpl::createBGTextureForMonitor(PHLMONITOR pMonitor) {
     glBindTexture(GL_TEXTURE_2D, tex->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
     glTexImage2D(GL_TEXTURE_2D, 0, glFormat, tex->m_size.x, tex->m_size.y, 0, glFormat, glType, DATA);
 
     cairo_surface_destroy(CAIROSURFACE);

src/render/Texture.cpp

@@ -72,12 +72,12 @@ void CTexture::createFromShm(uint32_t drmFormat, uint8_t* pixels, uint32_t strid
     GLCALL(glBindTexture(GL_TEXTURE_2D, m_texID));
     GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
     GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
-#ifndef GLES2
+
     if (format->flipRB) {
         GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE));
         GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED));
     }
-#endif
+
     GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / format->bytesPerBlock));
     GLCALL(glTexImage2D(GL_TEXTURE_2D, 0, format->glInternalFormat ? format->glInternalFormat : format->glFormat, size_.x, size_.y, 0, format->glFormat, format->glType, pixels));
     GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0));
@@ -120,12 +120,10 @@ void CTexture::update(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, cons
 
     auto rects = damage.copy().intersect(CBox{{}, m_size}).getRects();
 
-#ifndef GLES2
     if (format->flipRB) {
         GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE));
         GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED));
     }
-#endif
 
     for (auto const& rect : rects) {
         GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / format->bytesPerBlock));

src/render/decorations/CHyprGroupBarDecoration.cpp

@@ -332,11 +332,8 @@ static void renderGradientTo(SP<CTexture> tex, CGradientValueData* grad) {
     glBindTexture(GL_TEXTURE_2D, tex->m_texID);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-#ifndef GLES2
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
-#endif
 
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bufferSize.x, bufferSize.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);