QShaderGenerator: fix substitution for attributes on GL2/ES2

GL2/ES2 expect it to be attribute and not in like later versions of OpenGL.

Task-number: QTBUG-74829
Change-Id: Iddd22386ed315d6e6843d8225e49a4b73b6ad9ba
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/gui/util/qshadernodesloader.cpp b/src/gui/util/qshadernodesloader.cpp
index 9badbb94df..5369e8bd4c 100644
--- a/src/gui/util/qshadernodesloader.cpp
+++ b/src/gui/util/qshadernodesloader.cpp
@@ -251,6 +251,17 @@ void QShaderNodesLoader::load(const QJsonObject &prototypesObject)
                     break;
                 }
 
+                // We default out to a Fragment ShaderType if nothing is specified
+                // as that was the initial behavior we introduced
+                const QString shaderType = formatObject.value(QStringLiteral("shaderType")).toString();
+                format.setShaderType(shaderType == QStringLiteral("Fragment") ? QShaderFormat::Fragment
+                                   : shaderType == QStringLiteral("Vertex") ? QShaderFormat::Vertex
+                                   : shaderType == QStringLiteral("TessellationControl") ? QShaderFormat::TessellationControl
+                                   : shaderType == QStringLiteral("TessellationEvaluation") ? QShaderFormat::TessellationEvaluation
+                                   : shaderType == QStringLiteral("Geometry") ? QShaderFormat::Geometry
+                                   : shaderType == QStringLiteral("Compute") ? QShaderFormat::Compute
+                                   : QShaderFormat::Fragment);
+
                 const QByteArray substitution = substitutionValue.toString().toUtf8();
 
                 const QJsonValue snippetsValue = ruleObject.value(QStringLiteral("headerSnippets"));