rhi: createShaderProgram only generate shaders for the backend in use

This could otherwise result in shader generation failing for a backend
we are not using, in turn preventing anything from being drawn.

Change-Id: I3daf137c4f4ed3c7ee50b16602a9c684a7a224e6
Reviewed-by: Mike Krus <mike.krus@kdab.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/src/plugins/renderers/rhi/graphicshelpers/submissioncontext.cpp b/src/plugins/renderers/rhi/graphicshelpers/submissioncontext.cpp
index 83b053f6b..02b523b7c 100644
--- a/src/plugins/renderers/rhi/graphicshelpers/submissioncontext.cpp
+++ b/src/plugins/renderers/rhi/graphicshelpers/submissioncontext.cpp
@@ -1675,23 +1675,23 @@ SubmissionContext::ShaderCreationInfo SubmissionContext::createShaderProgram(RHI
     QVector<QShaderBaker::GeneratedShader> generatedShaders;
 
 #if QT_FEATURE_vulkan
-    generatedShaders.push_back({ QShader::SpirvShader, 100 });
+    if (m_rhi->backend() == QRhi::Vulkan)
+        generatedShaders.push_back({ QShader::SpirvShader, 100 });
 #endif
 
 #ifndef QT_NO_OPENGL
-    // GLES2 RHI backend does not seem to support compute
-    //if (shaderCode.at(QShaderProgram::Compute).isEmpty())
-    {
-      generatedShaders.push_back({ QShader::GlslShader, glslVersionForFormat(format()) });
-    }
+    if (m_rhi->backend() == QRhi::OpenGLES2)
+        generatedShaders.push_back({ QShader::GlslShader, glslVersionForFormat(format()) });
 #endif
 
 #ifdef Q_OS_WIN
-    generatedShaders.push_back({ QShader::HlslShader, QShaderVersion(50) });
+    if (m_rhi->backend() == QRhi::D3D11)
+        generatedShaders.push_back({ QShader::HlslShader, QShaderVersion(50) });
 #endif
 
 #ifdef Q_OS_MACOS
-    generatedShaders.push_back({ QShader::MslShader, QShaderVersion(12) });
+    if (m_rhi->backend() == QRhi::Metal)
+        generatedShaders.push_back({ QShader::MslShader, QShaderVersion(12) });
 #endif
 
     QVector<QShader::Variant> generatedShaderVariants(generatedShaders.size());