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Match Hyprland software renderer names case-insensitively

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Refresh the #16343 backport to carry the upstream follow-up that
matches llvmpipe/softpipe/Software Rasterizer with ASCII
case-insensitive, string_view-based matching.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Scott JonesandClaude Opus 5.5 committed 2026-09-26 10:44:18 -04:00
1 parent f7d4e94540
commit 88629b46b5
2 files changed
+35 -8
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pkgbuilds/hyprland/PKGBUILD
+1 -1
View File
@@ -68,7 +68,7 @@ _archive="${pkgname^}-$pkgver"
source=("$_archive.tar.gz::$url/releases/download/v$pkgver/source-v$pkgver.tar.gz"
software-renderer.patch)
sha256sums=('03ad3f5ef152ff44116ffd56fcf808486211ecabf4f0ba567108ee746ba5cd2e'
'a703e36333087efdcd1ff9e077e039ba9020d26d20c8cfacc07192f3e7505f9e')
'380bb6d61c36d6c68bcccf242131f5b259734e8570ea39b3bc519b9ed137eddd')
prepare() {
ln -sf hyprland-source "$_archive"
pkgbuilds/hyprland/software-renderer.patch
+34 -7
View File
@@ -2,26 +2,53 @@ From: Scott Jones <scottajones@gmail.com>
Subject: [PATCH] render: detect software rendering from the GL renderer (0.56.2 backport)
Backport-of: 61d0ff60a7547d49229714a68b7ca9c0b6658727
Backport-of: c3dcabc15ba7b71bd1bcd880e9f543909dd9372d
Upstream-PR: https://github.com/hyprwm/Hyprland/pull/16343
Co-authored-by: Eryk Wieliczko <44800858+erykwieliczko@users.noreply.github.com>
Adapt constructor and logger-context differences against v0.56.2 while
preserving the original GL classification behavior. Remove this backport
once the packaged upstream version includes this behavior.
preserving the GL classification behavior. v0.56.2 has no
StringUtils.hpp, so the ASCII case-insensitive matcher lives as a
file-local helper in GLRenderer.cpp. Remove this backport once the
packaged upstream version includes this behavior.
--- a/src/render/GLRenderer.cpp
+++ b/src/render/GLRenderer.cpp
@@ -36,7 +36,14 @@
@@ -22,6 +22,7 @@
#include "./gl/GLTexture.hpp"
#include <cstdint>
+#include <string_view>
#include <hyprutils/memory/SharedPtr.hpp>
#include <hyprutils/memory/UniquePtr.hpp>
#include <hyprutils/utils/ScopeGuard.hpp>
@@ -36,7 +37,30 @@ extern "C" {
#include <xf86drm.h>
}
-CHyprGLRenderer::CHyprGLRenderer() : IHyprRenderer(), m_elementRenderer(makeUnique<CGLElementRenderer>()) {}
+// Whether haystack contains needle, ignoring ASCII case only; all other bytes must match exactly.
+static bool containsCaseInsensitive(const std::string_view haystack, const std::string_view needle) {
+ const auto lower = [](const unsigned char c) { return c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c; };
+
+ for (size_t i = 0; i + needle.size() <= haystack.size(); ++i) {
+ size_t j = 0;
+ while (j < needle.size() && lower(haystack[i + j]) == lower(needle[j]))
+ ++j;
+
+ if (j == needle.size())
+ return true;
+ }
+
+ return false;
+}
+
+CHyprGLRenderer::CHyprGLRenderer() : IHyprRenderer(), m_elementRenderer(makeUnique<CGLElementRenderer>()) {
+ // KMS can be display-only; classify the active GL renderer instead of the DRM driver.
+ g_pHyprOpenGL->makeEGLCurrent();
+ if (const auto* renderer = rc<const char*>(glGetString(GL_RENDERER))) {
+ const std::string name{renderer};
+ m_software = name.contains("llvmpipe") || name.contains("softpipe") || name.contains("Software Rasterizer");
+ const std::string_view name{renderer};
+ m_software = containsCaseInsensitive(name, "llvmpipe") || containsCaseInsensitive(name, "softpipe") || containsCaseInsensitive(name, "Software Rasterizer");
+ }
+}
@@ -29,7 +56,7 @@ once the packaged upstream version includes this behavior.
return RT_GL;
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -104,8 +104,6 @@
@@ -104,8 +104,6 @@ IHyprRenderer::IHyprRenderer() {
m_nvidia = true;
else if (name.contains("i915"))
m_intel = true;
@@ -38,7 +65,7 @@ once the packaged upstream version includes this behavior.
Log::logger->log(Log::DEBUG, "DRM driver information: {} v{}.{}.{} from {} description {}", name, DRMV->version_major, DRMV->version_minor, DRMV->version_patchlevel,
std::string{DRMV->date, DRMV->date_len}, std::string{DRMV->desc, DRMV->desc_len});
@@ -126,8 +124,6 @@
@@ -126,8 +124,6 @@ IHyprRenderer::IHyprRenderer() {
m_nvidia = true;
else if (name.contains("i915"))
m_intel = true;