2 files changed, 27 insertions, 0 deletions
diff --git a/src/datavisualization/utils/texturehelper.cpp b/src/datavisualization/utils/texturehelper.cpp
index 5e21b5cd..9dbf0613 100644
--- a/src/datavisualization/utils/texturehelper.cpp
+++ b/src/datavisualization/utils/texturehelper.cpp
@@ -218,6 +218,31 @@ GLuint TextureHelper::createSelectionTexture(const QSize &size, GLuint &frameBuf
     return textureid;
 }
 
+GLuint TextureHelper::createCursorPositionTexture(const QSize &size, GLuint &frameBuffer)
+{
+    GLuint textureid;
+    glGenTextures(1, &textureid);
+    glBindTexture(GL_TEXTURE_2D, textureid);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, GL_RGBA,
+                 GL_UNSIGNED_BYTE, NULL);
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+    glGenFramebuffers(1, &frameBuffer);
+    glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
+                           textureid, 0);
+
+    GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    if (status != GL_FRAMEBUFFER_COMPLETE) {
+        qCritical() << "Cursor position mapper frame buffer creation failed:" << status;
+        glDeleteTextures(1, &textureid);
+        textureid = 0;
+    }
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+    return textureid;
+}
+
 GLuint TextureHelper::createUniformTexture(const QColor &color)
 {
     QImage image(QSize(int(uniformTextureWidth), int(uniformTextureHeight)),
diff --git a/src/datavisualization/utils/texturehelper_p.h b/src/datavisualization/utils/texturehelper_p.h
index c1dfe8c9..03080b2a 100644
--- a/src/datavisualization/utils/texturehelper_p.h
+++ b/src/datavisualization/utils/texturehelper_p.h
@@ -55,6 +55,7 @@ class TextureHelper : protected QOpenGLFunctions
     GLuint createCubeMapTexture(const QImage &image, bool useTrilinearFiltering = false);
     // Returns selection texture and inserts generated framebuffers to framebuffer parameters
     GLuint createSelectionTexture(const QSize &size, GLuint &frameBuffer, GLuint &depthBuffer);
+    GLuint createCursorPositionTexture(const QSize &size, GLuint &frameBuffer);
     GLuint createUniformTexture(const QColor &color);
     GLuint createGradientTexture(const QLinearGradient &gradient);
 #if !defined(QT_OPENGL_ES_2)
@@ -75,6 +76,7 @@ class TextureHelper : protected QOpenGLFunctions
     friend class Bars3DRenderer;
     friend class Surface3DRenderer;
     friend class Scatter3DRenderer;
+    friend class Abstract3DRenderer;
 };
 
 QT_END_NAMESPACE_DATAVISUALIZATION