Add glPointSize() helper functions

OpenGL ES 2.0 doesn't support glPointSize(), but OpenGL 2.0+ does, so
we need to call it though a QGraphicsHelperInterface. When on OpenGL ES
2.0, just print a warning.

Task-number: QTBUG-49562
Change-Id: Icbd5f602cae38f95925d99003ec3ee9aebb3719e
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/render/graphicshelpers/graphicshelpergl3_3.cpp b/src/render/graphicshelpers/graphicshelpergl3_3.cpp
index 9000889b9..3cc06482f 100644
--- a/src/render/graphicshelpers/graphicshelpergl3_3.cpp
+++ b/src/render/graphicshelpers/graphicshelpergl3_3.cpp
@@ -893,6 +893,16 @@ void GraphicsHelperGL3_3::disablePrimitiveRestart()
     m_funcs->glDisable(GL_PRIMITIVE_RESTART);
 }
 
+void GraphicsHelperGL3_3::pointSize(bool programmable, GLfloat value)
+{
+    if (programmable) {
+        m_funcs->glEnable(GL_PROGRAM_POINT_SIZE);
+    } else {
+        m_funcs->glDisable(GL_PROGRAM_POINT_SIZE);
+        m_funcs->glPointSize(value);
+    }
+}
+
 QSize GraphicsHelperGL3_3::getRenderBufferDimensions(GLuint renderBufferId)
 {
     GLint width = 0;